Update LLVM sources to r73879.

22 files changed, 1191 insertions, 18 deletions

diff --git a/test/Transforms/ConstProp/2009-06-20-constexpr-zero-lhs.ll b/test/Transforms/ConstProp/2009-06-20-constexpr-zero-lhs.ll
new file mode 100644
index 0000000..3322605
--- /dev/null
+++ b/test/Transforms/ConstProp/2009-06-20-constexpr-zero-lhs.ll
@@ -0,0 +1,11 @@
+; RUN: llvm-as < %s | llvm-dis | not grep ptrtoint
+; PR4424
+@G = external global i32
+@test1 = constant i32 sdiv (i32 0, i32 ptrtoint (i32* @G to i32))
+@test2 = constant i32 udiv (i32 0, i32 ptrtoint (i32* @G to i32))
+@test3 = constant i32 srem (i32 0, i32 ptrtoint (i32* @G to i32))
+@test4 = constant i32 urem (i32 0, i32 ptrtoint (i32* @G to i32))
+@test5 = constant i32 lshr (i32 0, i32 ptrtoint (i32* @G to i32))
+@test6 = constant i32 ashr (i32 0, i32 ptrtoint (i32* @G to i32))
+@test7 = constant i32 shl (i32 0, i32 ptrtoint (i32* @G to i32))
+
diff --git a/test/Transforms/ConstProp/div-zero.ll b/test/Transforms/ConstProp/div-zero.ll
new file mode 100644
index 0000000..166c643
--- /dev/null
+++ b/test/Transforms/ConstProp/div-zero.ll
@@ -0,0 +1,12 @@
+; RUN: llvm-as < %s | opt -instcombine | llvm-dis | grep {ret i32 0}
+; PR4424
+declare void @ext()
+
+define i32 @foo(i32 %ptr) {
+entry:
+        %zero = sub i32 %ptr, %ptr              ; <i32> [#uses=1]
+        %div_zero = sdiv i32 %zero, ptrtoint (i32* getelementptr (i32* null,
+i32 1) to i32)             ; <i32> [#uses=1]
+        ret i32 %div_zero
+}
+
diff --git a/test/Transforms/GVN/2009-06-17-InvalidPRE.ll b/test/Transforms/GVN/2009-06-17-InvalidPRE.ll
new file mode 100644
index 0000000..c8982c8
--- /dev/null
+++ b/test/Transforms/GVN/2009-06-17-InvalidPRE.ll
@@ -0,0 +1,72 @@
+; RUN: llvm-as < %s | opt -gvn -enable-load-pre | llvm-dis | not grep pre1
+; GVN load pre was hoisting the loads at %13 and %16 up to bb4.outer.  
+; This is invalid as it bypasses the check for %m.0.ph==null in bb4. 
+; ModuleID = 'mbuf.c'
+target datalayout = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:64:64-v128:128:128-a0:0:64-f80:128:128"
+target triple = "i386-apple-darwin9.6"
+  %struct.mbuf = type { %struct.mbuf*, %struct.mbuf*, i32, i8*, i16, i16, i32 }
+
+define void @m_adj(%struct.mbuf* %mp, i32 %req_len) nounwind optsize {
+entry:
+  %0 = icmp eq %struct.mbuf* %mp, null    ; <i1> [#uses=1]
+  %1 = icmp slt i32 %req_len, 0   ; <i1> [#uses=1]
+  %or.cond = or i1 %1, %0   ; <i1> [#uses=1]
+  br i1 %or.cond, label %return, label %bb4.preheader
+
+bb4.preheader:    ; preds = %entry
+  br label %bb4.outer
+
+bb2:    ; preds = %bb1
+  %2 = sub i32 %len.0, %13   ; <i32> [#uses=1]
+  %3 = getelementptr %struct.mbuf* %m.0.ph, i32 0, i32 2    ; <i32*> [#uses=1]
+  store i32 0, i32* %3, align 4
+  %4 = getelementptr %struct.mbuf* %m.0.ph, i32 0, i32 0    ; <%struct.mbuf**> [#uses=1]
+  %5 = load %struct.mbuf** %4, align 4    ; <%struct.mbuf*> [#uses=1]
+  br label %bb4.outer
+
+bb4.outer:    ; preds = %bb4.preheader, %bb2
+  %m.0.ph = phi %struct.mbuf* [ %5, %bb2 ], [ %mp, %bb4.preheader ]   ; <%struct.mbuf*> [#uses=7]
+  %len.0.ph = phi i32 [ %2, %bb2 ], [ %req_len, %bb4.preheader ]    ; <i32> [#uses=1]
+  %6 = icmp ne %struct.mbuf* %m.0.ph, null    ; <i1> [#uses=1]
+  %7 = getelementptr %struct.mbuf* %m.0.ph, i32 0, i32 2    ; <i32*> [#uses=1]
+  %8 = getelementptr %struct.mbuf* %m.0.ph, i32 0, i32 2   ; <i32*> [#uses=1]
+  %9 = getelementptr %struct.mbuf* %m.0.ph, i32 0, i32 3   ; <i8**> [#uses=1]
+  %10 = getelementptr %struct.mbuf* %m.0.ph, i32 0, i32 3   ; <i8**> [#uses=1]
+  br label %bb4
+
+bb4:    ; preds = %bb4.outer, %bb3
+  %len.0 = phi i32 [ 0, %bb3 ], [ %len.0.ph, %bb4.outer ]   ; <i32> [#uses=6]
+  %11 = icmp sgt i32 %len.0, 0    ; <i1> [#uses=1]
+  %12 = and i1 %11, %6    ; <i1> [#uses=1]
+  br i1 %12, label %bb1, label %bb7
+
+bb1:    ; preds = %bb4
+  %13 = load i32* %7, align 4    ; <i32> [#uses=3]
+  %14 = icmp sgt i32 %13, %len.0    ; <i1> [#uses=1]
+  br i1 %14, label %bb3, label %bb2
+
+bb3:    ; preds = %bb1
+  %15 = sub i32 %13, %len.0    ; <i32> [#uses=1]
+  store i32 %15, i32* %8, align 4
+  %16 = load i8** %9, align 4    ; <i8*> [#uses=1]
+  %17 = getelementptr i8* %16, i32 %len.0   ; <i8*> [#uses=1]
+  store i8* %17, i8** %10, align 4
+  br label %bb4
+
+bb7:    ; preds = %bb4
+  %18 = getelementptr %struct.mbuf* %mp, i32 0, i32 5   ; <i16*> [#uses=1]
+  %19 = load i16* %18, align 2    ; <i16> [#uses=1]
+  %20 = zext i16 %19 to i32   ; <i32> [#uses=1]
+  %21 = and i32 %20, 2    ; <i32> [#uses=1]
+  %22 = icmp eq i32 %21, 0    ; <i1> [#uses=1]
+  br i1 %22, label %return, label %bb8
+
+bb8:    ; preds = %bb7
+  %23 = sub i32 %req_len, %len.0    ; <i32> [#uses=1]
+  %24 = getelementptr %struct.mbuf* %mp, i32 0, i32 6   ; <i32*> [#uses=1]
+  store i32 %23, i32* %24, align 4
+  ret void
+
+return:   ; preds = %bb7, %entry
+  ret void
+}
diff --git a/test/Transforms/GVN/pre-single-pred.ll b/test/Transforms/GVN/pre-single-pred.ll
index b735ea9..cb71617 100644
--- a/test/Transforms/GVN/pre-single-pred.ll
+++ b/test/Transforms/GVN/pre-single-pred.ll
@@ -1,6 +1,7 @@
 ; RUN: llvm-as < %s | opt -gvn -enable-load-pre | llvm-dis | not grep {tmp3 = load}
 
-define i32 @f(i32* nocapture %p, i32 %n) nounwind {
+@p = external global i32
+define i32 @f(i32 %n) nounwind {
 entry:
 	br label %for.cond
 
@@ -13,9 +14,9 @@ for.cond.for.end_crit_edge:		; preds = %for.cond
 	br label %for.end
 
 for.body:		; preds = %for.cond
-	%tmp3 = load i32* %p		; <i32> [#uses=1]
+	%tmp3 = load i32* @p		; <i32> [#uses=1]
 	%dec = add i32 %tmp3, -1		; <i32> [#uses=2]
-	store i32 %dec, i32* %p
+	store i32 %dec, i32* @p
 	%cmp6 = icmp slt i32 %dec, 0		; <i1> [#uses=1]
 	br i1 %cmp6, label %for.body.for.end_crit_edge, label %for.inc
 
@@ -27,6 +28,6 @@ for.inc:		; preds = %for.body
 	br label %for.cond
 
 for.end:		; preds = %for.body.for.end_crit_edge, %for.cond.for.end_crit_edge
-	%tmp9 = load i32* %p		; <i32> [#uses=1]
+	%tmp9 = load i32* @p		; <i32> [#uses=1]
 	ret i32 %tmp9
 }
diff --git a/test/Transforms/IndVarSimplify/ashr-tripcount.ll b/test/Transforms/IndVarSimplify/ashr-tripcount.ll
new file mode 100644
index 0000000..7b2cad2
--- /dev/null
+++ b/test/Transforms/IndVarSimplify/ashr-tripcount.ll
@@ -0,0 +1,107 @@
+; RUN: llvm-as < %s | opt -indvars | llvm-dis > %t
+; RUN: grep sext %t | count 1
+
+; Indvars should be able to eliminate all of the sign extensions
+; inside the loop.
+
+target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128"
+@pow_2_tab = external constant [0 x float]		; <[0 x float]*> [#uses=1]
+@pow_2_025_tab = external constant [0 x float]		; <[0 x float]*> [#uses=1]
+@i_pow_2_tab = external constant [0 x float]		; <[0 x float]*> [#uses=1]
+@i_pow_2_025_tab = external constant [0 x float]		; <[0 x float]*> [#uses=1]
+
+define void @foo(i32 %gain, i32 %noOfLines, i32* %quaSpectrum, float* %iquaSpectrum, float* %pow4_3_tab_ptr) nounwind {
+entry:
+	%t0 = icmp slt i32 %gain, 0		; <i1> [#uses=1]
+	br i1 %t0, label %bb1, label %bb2
+
+bb1:		; preds = %entry
+	%t1 = sub i32 0, %gain		; <i32> [#uses=1]
+	%t2 = sub i32 0, %gain		; <i32> [#uses=1]
+	br label %bb2
+
+bb2:		; preds = %bb1, %entry
+	%pow_2_tab.pn = phi [0 x float]* [ @i_pow_2_tab, %bb1 ], [ @pow_2_tab, %entry ]		; <[0 x float]*> [#uses=1]
+	%.pn3.in.in = phi i32 [ %t1, %bb1 ], [ %gain, %entry ]		; <i32> [#uses=1]
+	%pow_2_025_tab.pn = phi [0 x float]* [ @i_pow_2_025_tab, %bb1 ], [ @pow_2_025_tab, %entry ]		; <[0 x float]*> [#uses=1]
+	%.pn2.in.in = phi i32 [ %t2, %bb1 ], [ %gain, %entry ]		; <i32> [#uses=1]
+	%.pn3.in = ashr i32 %.pn3.in.in, 2		; <i32> [#uses=1]
+	%.pn2.in = and i32 %.pn2.in.in, 3		; <i32> [#uses=1]
+	%.pn3 = sext i32 %.pn3.in to i64		; <i64> [#uses=1]
+	%.pn2 = zext i32 %.pn2.in to i64		; <i64> [#uses=1]
+	%.pn.in = getelementptr [0 x float]* %pow_2_tab.pn, i64 0, i64 %.pn3		; <float*> [#uses=1]
+	%.pn1.in = getelementptr [0 x float]* %pow_2_025_tab.pn, i64 0, i64 %.pn2		; <float*> [#uses=1]
+	%.pn = load float* %.pn.in		; <float> [#uses=1]
+	%.pn1 = load float* %.pn1.in		; <float> [#uses=1]
+	%invQuantizer.0 = fmul float %.pn, %.pn1		; <float> [#uses=4]
+	%t3 = ashr i32 %noOfLines, 2		; <i32> [#uses=1]
+	%t4 = icmp sgt i32 %t3, 0		; <i1> [#uses=1]
+	br i1 %t4, label %bb.nph, label %return
+
+bb.nph:		; preds = %bb2
+	%t5 = ashr i32 %noOfLines, 2		; <i32> [#uses=1]
+	br label %bb3
+
+bb3:		; preds = %bb4, %bb.nph
+	%i.05 = phi i32 [ %t49, %bb4 ], [ 0, %bb.nph ]		; <i32> [#uses=9]
+	%k.04 = phi i32 [ %t48, %bb4 ], [ 0, %bb.nph ]		; <i32> [#uses=1]
+	%t6 = sext i32 %i.05 to i64		; <i64> [#uses=1]
+	%t7 = getelementptr i32* %quaSpectrum, i64 %t6		; <i32*> [#uses=1]
+	%t8 = load i32* %t7, align 4		; <i32> [#uses=1]
+	%t9 = zext i32 %t8 to i64		; <i64> [#uses=1]
+	%t10 = getelementptr float* %pow4_3_tab_ptr, i64 %t9		; <float*> [#uses=1]
+	%t11 = load float* %t10, align 4		; <float> [#uses=1]
+	%t12 = or i32 %i.05, 1		; <i32> [#uses=1]
+	%t13 = sext i32 %t12 to i64		; <i64> [#uses=1]
+	%t14 = getelementptr i32* %quaSpectrum, i64 %t13		; <i32*> [#uses=1]
+	%t15 = load i32* %t14, align 4		; <i32> [#uses=1]
+	%t16 = zext i32 %t15 to i64		; <i64> [#uses=1]
+	%t17 = getelementptr float* %pow4_3_tab_ptr, i64 %t16		; <float*> [#uses=1]
+	%t18 = load float* %t17, align 4		; <float> [#uses=1]
+	%t19 = or i32 %i.05, 2		; <i32> [#uses=1]
+	%t20 = sext i32 %t19 to i64		; <i64> [#uses=1]
+	%t21 = getelementptr i32* %quaSpectrum, i64 %t20		; <i32*> [#uses=1]
+	%t22 = load i32* %t21, align 4		; <i32> [#uses=1]
+	%t23 = zext i32 %t22 to i64		; <i64> [#uses=1]
+	%t24 = getelementptr float* %pow4_3_tab_ptr, i64 %t23		; <float*> [#uses=1]
+	%t25 = load float* %t24, align 4		; <float> [#uses=1]
+	%t26 = or i32 %i.05, 3		; <i32> [#uses=1]
+	%t27 = sext i32 %t26 to i64		; <i64> [#uses=1]
+	%t28 = getelementptr i32* %quaSpectrum, i64 %t27		; <i32*> [#uses=1]
+	%t29 = load i32* %t28, align 4		; <i32> [#uses=1]
+	%t30 = zext i32 %t29 to i64		; <i64> [#uses=1]
+	%t31 = getelementptr float* %pow4_3_tab_ptr, i64 %t30		; <float*> [#uses=1]
+	%t32 = load float* %t31, align 4		; <float> [#uses=1]
+	%t33 = fmul float %t11, %invQuantizer.0		; <float> [#uses=1]
+	%t34 = sext i32 %i.05 to i64		; <i64> [#uses=1]
+	%t35 = getelementptr float* %iquaSpectrum, i64 %t34		; <float*> [#uses=1]
+	store float %t33, float* %t35, align 4
+	%t36 = or i32 %i.05, 1		; <i32> [#uses=1]
+	%t37 = fmul float %t18, %invQuantizer.0		; <float> [#uses=1]
+	%t38 = sext i32 %t36 to i64		; <i64> [#uses=1]
+	%t39 = getelementptr float* %iquaSpectrum, i64 %t38		; <float*> [#uses=1]
+	store float %t37, float* %t39, align 4
+	%t40 = or i32 %i.05, 2		; <i32> [#uses=1]
+	%t41 = fmul float %t25, %invQuantizer.0		; <float> [#uses=1]
+	%t42 = sext i32 %t40 to i64		; <i64> [#uses=1]
+	%t43 = getelementptr float* %iquaSpectrum, i64 %t42		; <float*> [#uses=1]
+	store float %t41, float* %t43, align 4
+	%t44 = or i32 %i.05, 3		; <i32> [#uses=1]
+	%t45 = fmul float %t32, %invQuantizer.0		; <float> [#uses=1]
+	%t46 = sext i32 %t44 to i64		; <i64> [#uses=1]
+	%t47 = getelementptr float* %iquaSpectrum, i64 %t46		; <float*> [#uses=1]
+	store float %t45, float* %t47, align 4
+	%t48 = add i32 %k.04, 1		; <i32> [#uses=2]
+	%t49 = add i32 %i.05, 4		; <i32> [#uses=1]
+	br label %bb4
+
+bb4:		; preds = %bb3
+	%t50 = icmp sgt i32 %t5, %t48		; <i1> [#uses=1]
+	br i1 %t50, label %bb3, label %bb4.return_crit_edge
+
+bb4.return_crit_edge:		; preds = %bb4
+	br label %return
+
+return:		; preds = %bb4.return_crit_edge, %bb2
+	ret void
+}
diff --git a/test/Transforms/IndVarSimplify/loop_evaluate_6.ll b/test/Transforms/IndVarSimplify/loop_evaluate_6.ll
index 35fbf52..0d17a80 100644
--- a/test/Transforms/IndVarSimplify/loop_evaluate_6.ll
+++ b/test/Transforms/IndVarSimplify/loop_evaluate_6.ll
@@ -1,7 +1,9 @@
 ; RUN: llvm-as < %s | opt -indvars -loop-deletion | llvm-dis | grep phi | count 1
+; XFAIL: *
 
-; Indvars should be able to evaluate this loop, allowing loop deletion
-; to delete it.
+; Indvars can't evaluate this loop, because ScalarEvolution can't compute
+; an exact trip count, because it doesn't know if dividing by the stride will
+; have a remainder. It could be done with more aggressive VRP though.
 
 define i32 @test(i32 %x_offs) nounwind readnone {
 entry:
diff --git a/test/Transforms/IndVarSimplify/masked-iv.ll b/test/Transforms/IndVarSimplify/masked-iv.ll
index c7583c9..f77b935 100644
--- a/test/Transforms/IndVarSimplify/masked-iv.ll
+++ b/test/Transforms/IndVarSimplify/masked-iv.ll
@@ -1,4 +1,6 @@
-; RUN: llvm-as < %s | opt -indvars | llvm-dis | grep trunc | count 1
+; RUN: llvm-as < %s | opt -indvars | llvm-dis > %t
+; RUN: not grep trunc %t
+; RUN: grep and %t | count 1
 
 ; Indvars should do the IV arithmetic in the canonical IV type (i64),
 ; and only use one truncation.
diff --git a/test/Transforms/IndVarSimplify/pointer.ll b/test/Transforms/IndVarSimplify/pointer.ll
new file mode 100644
index 0000000..7ad1161
--- /dev/null
+++ b/test/Transforms/IndVarSimplify/pointer.ll
@@ -0,0 +1,38 @@
+; RUN: llvm-as < %s | opt -indvars | llvm-dis > %t
+; RUN: grep {%exitcond = icmp eq i64 %indvar.next, %n} %t
+; RUN: grep {getelementptr i8\\* %A, i64 %indvar} %t
+; RUN: grep getelementptr %t | count 1
+; RUN: grep add %t | count 1
+; RUN: not grep scevgep %t
+; RUN: not grep ptrtoint %t
+
+; Indvars should be able to expand the pointer-arithmetic
+; IV into an integer IV indexing into a simple getelementptr.
+
+target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64"
+
+define void @foo(i8* %A, i64 %n) nounwind {
+entry:
+	%0 = icmp eq i64 %n, 0		; <i1> [#uses=1]
+	br i1 %0, label %return, label %bb.nph
+
+bb.nph:		; preds = %entry
+	%1 = getelementptr i8* %A, i64 %n		; <i8*> [#uses=1]
+	br label %bb
+
+bb:		; preds = %bb1, %bb.nph
+	%q.01 = phi i8* [ %2, %bb1 ], [ %A, %bb.nph ]		; <i8*> [#uses=2]
+	store i8 0, i8* %q.01, align 1
+	%2 = getelementptr i8* %q.01, i64 1		; <i8*> [#uses=2]
+	br label %bb1
+
+bb1:		; preds = %bb
+	%3 = icmp eq i8* %1, %2		; <i1> [#uses=1]
+	br i1 %3, label %bb1.return_crit_edge, label %bb
+
+bb1.return_crit_edge:		; preds = %bb1
+	br label %return
+
+return:		; preds = %bb1.return_crit_edge, %entry
+	ret void
+}
diff --git a/test/Transforms/IndVarSimplify/shrunk-constant.ll b/test/Transforms/IndVarSimplify/shrunk-constant.ll
new file mode 100644
index 0000000..0b2ecaf
--- /dev/null
+++ b/test/Transforms/IndVarSimplify/shrunk-constant.ll
@@ -0,0 +1,15 @@
+; RUN: llvm-as < %s | opt -scalar-evolution -analyze -disable-output \
+; RUN:  | grep {\\-->  (zext i4 {-7,+,-8}<loop> to i32)}
+
+define fastcc void @foo() nounwind {
+entry:
+	br label %loop
+
+loop:
+	%i = phi i32 [ 0, %entry ], [ %t2, %loop ]
+	%t0 = add i32 %i, 9
+	%t1 = and i32 %t0, 9
+        store i32 %t1, i32* null
+	%t2 = add i32 %i, 8
+	br label %loop
+}
diff --git a/test/Transforms/InstCombine/2009-06-11-StoreAddrSpace.ll b/test/Transforms/InstCombine/2009-06-11-StoreAddrSpace.ll
index e86fed3..ffb55a7 100644
--- a/test/Transforms/InstCombine/2009-06-11-StoreAddrSpace.ll
+++ b/test/Transforms/InstCombine/2009-06-11-StoreAddrSpace.ll
@@ -1,4 +1,4 @@
-; RUN: llvm-as < %s | opt -instcombine | llvm-dis | grep store
+; RUN: llvm-as < %s | opt -instcombine | llvm-dis | grep {store i32 0,}
 ; PR4366
 
 define void @a() {
diff --git a/test/Transforms/InstCombine/2009-06-16-SRemDemandedBits.ll b/test/Transforms/InstCombine/2009-06-16-SRemDemandedBits.ll
new file mode 100644
index 0000000..82b223a
--- /dev/null
+++ b/test/Transforms/InstCombine/2009-06-16-SRemDemandedBits.ll
@@ -0,0 +1,9 @@
+; RUN: llvm-as < %s | opt -instcombine | llvm-dis | grep srem
+; PR3439
+
+define i32 @a(i32 %x) nounwind {
+entry:
+	%rem = srem i32 %x, 2
+	%and = and i32 %rem, 2
+	ret i32 %and
+}
diff --git a/test/Transforms/InstCombine/select-load-call.ll b/test/Transforms/InstCombine/select-load-call.ll
new file mode 100644
index 0000000..367356e
--- /dev/null
+++ b/test/Transforms/InstCombine/select-load-call.ll
@@ -0,0 +1,15 @@
+; RUN: llvm-as < %s | opt -instcombine | llvm-dis | grep {ret i32 1}
+
+declare void @test2()
+
+define i32 @test(i1 %cond, i32 *%P) {
+  %A = alloca i32
+  store i32 1, i32* %P
+  store i32 1, i32* %A
+
+  call void @test2() readonly
+
+  %P2 = select i1 %cond, i32 *%P, i32* %A
+  %V = load i32* %P2
+  ret i32 %V
+}
diff --git a/test/Transforms/InstCombine/trunc-mask-ext.ll b/test/Transforms/InstCombine/trunc-mask-ext.ll
new file mode 100644
index 0000000..7e3d844
--- /dev/null
+++ b/test/Transforms/InstCombine/trunc-mask-ext.ll
@@ -0,0 +1,38 @@
+; RUN: llvm-as < %s | opt -instcombine | llvm-dis > %t
+; RUN: not grep zext %t
+; RUN: not grep sext %t
+
+; Instcombine should be able to eliminate all of these ext casts.
+
+declare void @use(i32)
+
+define i64 @foo(i64 %a) {
+  %b = trunc i64 %a to i32
+  %c = and i32 %b, 15
+  %d = zext i32 %c to i64
+  call void @use(i32 %b)
+  ret i64 %d
+}
+define i64 @bar(i64 %a) {
+  %b = trunc i64 %a to i32
+  %c = shl i32 %b, 4
+  %q = ashr i32 %c, 4
+  %d = sext i32 %q to i64
+  call void @use(i32 %b)
+  ret i64 %d
+}
+define i64 @goo(i64 %a) {
+  %b = trunc i64 %a to i32
+  %c = and i32 %b, 8
+  %d = zext i32 %c to i64
+  call void @use(i32 %b)
+  ret i64 %d
+}
+define i64 @hoo(i64 %a) {
+  %b = trunc i64 %a to i32
+  %c = and i32 %b, 8
+  %x = xor i32 %c, 8
+  %d = zext i32 %x to i64
+  call void @use(i32 %b)
+  ret i64 %d
+}
diff --git a/test/Transforms/InstCombine/vector-casts-0.ll b/test/Transforms/InstCombine/vector-casts-0.ll
new file mode 100644
index 0000000..ae5b8a9
--- /dev/null
+++ b/test/Transforms/InstCombine/vector-casts-0.ll
@@ -0,0 +1,55 @@
+; RUN: llvm-as < %s | opt -instcombine
+
+define void @convert(<2 x i32>* %dst.addr, <2 x i64> %src) nounwind {
+entry:
+	%val = trunc <2 x i64> %src to <2 x i32>		; <<2 x i32>> [#uses=1]
+	%add = add <2 x i32> %val, <i32 1, i32 1>		; <<2 x i32>> [#uses=1]
+	store <2 x i32> %add, <2 x i32>* %dst.addr
+	ret void
+}
+
+define <2 x i65> @foo(<2 x i64> %t) {
+  %a = trunc <2 x i64> %t to <2 x i32>
+  %b = zext <2 x i32> %a to <2 x i65>
+  ret <2 x i65> %b
+}
+define <2 x i64> @bar(<2 x i65> %t) {
+  %a = trunc <2 x i65> %t to <2 x i32>
+  %b = zext <2 x i32> %a to <2 x i64>
+  ret <2 x i64> %b
+}
+define <2 x i65> @foos(<2 x i64> %t) {
+  %a = trunc <2 x i64> %t to <2 x i32>
+  %b = sext <2 x i32> %a to <2 x i65>
+  ret <2 x i65> %b
+}
+define <2 x i64> @bars(<2 x i65> %t) {
+  %a = trunc <2 x i65> %t to <2 x i32>
+  %b = sext <2 x i32> %a to <2 x i64>
+  ret <2 x i64> %b
+}
+define <2 x i64> @quxs(<2 x i64> %t) {
+  %a = trunc <2 x i64> %t to <2 x i32>
+  %b = sext <2 x i32> %a to <2 x i64>
+  ret <2 x i64> %b
+}
+define <2 x i64> @quxt(<2 x i64> %t) {
+  %a = shl <2 x i64> %t, <i64 32, i64 32>
+  %b = ashr <2 x i64> %a, <i64 32, i64 32>
+  ret <2 x i64> %b
+}
+define <2 x double> @fa(<2 x double> %t) {
+  %a = fptrunc <2 x double> %t to <2 x float>
+  %b = fpext <2 x float> %a to <2 x double>
+  ret <2 x double> %b
+}
+define <2 x double> @fb(<2 x double> %t) {
+  %a = fptoui <2 x double> %t to <2 x i64>
+  %b = uitofp <2 x i64> %a to <2 x double>
+  ret <2 x double> %b
+}
+define <2 x double> @fc(<2 x double> %t) {
+  %a = fptosi <2 x double> %t to <2 x i64>
+  %b = sitofp <2 x i64> %a to <2 x double>
+  ret <2 x double> %b
+}
diff --git a/test/Transforms/InstCombine/vector-casts-1.ll b/test/Transforms/InstCombine/vector-casts-1.ll
new file mode 100644
index 0000000..a73a84a
--- /dev/null
+++ b/test/Transforms/InstCombine/vector-casts-1.ll
@@ -0,0 +1,15 @@
+; RUN: llvm-as < %s | opt -instcombine > %t
+; RUN: not grep trunc %t
+; RUN: not grep ashr %t
+
+; This turns into a&1 != 0
+define <2 x i1> @a(<2 x i64> %a) {
+  %t = trunc <2 x i64> %a to <2 x i1>
+  ret <2 x i1> %t
+}
+; The ashr turns into an lshr.
+define <2 x i64> @b(<2 x i64> %a) {
+  %b = and <2 x i64> %a, <i64 65535, i64 65535>
+  %t = ashr <2 x i64> %b, <i64 1, i64 1>
+  ret <2 x i64> %t
+}
diff --git a/test/Transforms/JumpThreading/branch-no-const.ll b/test/Transforms/JumpThreading/branch-no-const.ll
new file mode 100644
index 0000000..0ea2431
--- /dev/null
+++ b/test/Transforms/JumpThreading/branch-no-const.ll
@@ -0,0 +1,21 @@
+; RUN: llvm-as < %s | opt -jump-threading | llvm-dis | not grep phi
+
+declare i8 @mcguffin()
+
+define i32 @test(i1 %foo, i8 %b) {
+entry:
+  %a = call i8 @mcguffin()
+  br i1 %foo, label %bb1, label %bb2
+bb1:
+  br label %jt
+bb2:
+  br label %jt
+jt:
+  %x = phi i8 [%a, %bb1], [%b, %bb2]
+  %A = icmp eq i8 %x, %a
+  br i1 %A, label %rt, label %rf
+rt:
+  ret i32 7
+rf:
+  ret i32 8
+}
diff --git a/test/Transforms/JumpThreading/dup-cond.ll b/test/Transforms/JumpThreading/dup-cond.ll
new file mode 100644
index 0000000..e20d939
--- /dev/null
+++ b/test/Transforms/JumpThreading/dup-cond.ll
@@ -0,0 +1,30 @@
+; RUN: llvm-as < %s | opt -jump-threading -die | llvm-dis | grep icmp | count 1
+
+declare void @f1()
+declare void @f2()
+declare void @f3()
+
+define i32 @test(i32 %A) {
+	%tmp455 = icmp eq i32 %A, 42
+	br i1 %tmp455, label %BB1, label %BB2
+        
+BB2:
+	call void @f1()
+	br label %BB1
+        
+
+BB1:
+	%tmp459 = icmp eq i32 %A, 42
+	br i1 %tmp459, label %BB3, label %BB4
+
+BB3:
+	call void @f2()
+        ret i32 3
+
+BB4:
+	call void @f3()
+	ret i32 4
+}
+
+
+
diff --git a/test/Transforms/LoopStrengthReduce/quadradic-exit-value.ll b/test/Transforms/LoopStrengthReduce/quadradic-exit-value.ll
new file mode 100644
index 0000000..be1372d
--- /dev/null
+++ b/test/Transforms/LoopStrengthReduce/quadradic-exit-value.ll
@@ -0,0 +1,18 @@
+; RUN: llvm-as < %s | opt -analyze -iv-users -disable-output | grep {Stride i64 {3,+,2}<loop>:}
+
+; The value of %r is dependent on a polynomial iteration expression.
+
+define i64 @foo(i64 %n) {
+entry:
+  br label %loop
+
+loop:
+  %indvar = phi i64 [ 0, %entry ], [ %indvar.next, %loop ]
+  %indvar.next = add i64 %indvar, 1
+  %c = icmp eq i64 %indvar.next, %n
+  br i1 %c, label %exit, label %loop
+
+exit:
+  %r = mul i64 %indvar.next, %indvar.next
+  ret i64 %r
+}
diff --git a/test/Transforms/SimplifyCFG/2009-06-15-InvokeCrash.ll b/test/Transforms/SimplifyCFG/2009-06-15-InvokeCrash.ll
new file mode 100644
index 0000000..d0e7ed7
--- /dev/null
+++ b/test/Transforms/SimplifyCFG/2009-06-15-InvokeCrash.ll
@@ -0,0 +1,557 @@
+; RUN: llvm-as < %s | opt -simplifycfg -disable-output
+; END.
+	%struct..4._102 = type { %struct.QVectorData* }
+	%struct..5._125 = type { %struct.QMapData* }
+	%struct.QAbstractTextDocumentLayout = type { %struct.QObject }
+	%struct.QBasicAtomic = type { i32 }
+	%struct.QFont = type { %struct.QFontPrivate*, i32 }
+	%struct.QFontMetrics = type { %struct.QFontPrivate* }
+	%struct.QFontPrivate = type opaque
+	%"struct.QFragmentMap<QTextBlockData>" = type { %struct.QFragmentMapData }
+	%struct.QFragmentMapData = type { %"struct.QFragmentMapData::._154", i32 }
+	%"struct.QFragmentMapData::._154" = type { %"struct.QFragmentMapData::Header"* }
+	%"struct.QFragmentMapData::Header" = type { i32, i32, i32, i32, i32, i32, i32, i32 }
+	%"struct.QHash<uint,QHashDummyValue>" = type { %"struct.QHash<uint,QHashDummyValue>::._152" }
+	%"struct.QHash<uint,QHashDummyValue>::._152" = type { %struct.QHashData* }
+	%struct.QHashData = type { %"struct.QHashData::Node"*, %"struct.QHashData::Node"**, %struct.QBasicAtomic, i32, i32, i16, i16, i32, i8 }
+	%"struct.QHashData::Node" = type { %"struct.QHashData::Node"*, i32 }
+	%"struct.QList<QObject*>::._92" = type { %struct.QListData }
+	%"struct.QList<QPointer<QObject> >" = type { %"struct.QList<QObject*>::._92" }
+	%struct.QListData = type { %"struct.QListData::Data"* }
+	%"struct.QListData::Data" = type { %struct.QBasicAtomic, i32, i32, i32, i8, [1 x i8*] }
+	%"struct.QMap<QUrl,QVariant>" = type { %struct..5._125 }
+	%struct.QMapData = type { %"struct.QMapData::Node"*, [12 x %"struct.QMapData::Node"*], %struct.QBasicAtomic, i32, i32, i32, i8 }
+	%"struct.QMapData::Node" = type { %"struct.QMapData::Node"*, [1 x %"struct.QMapData::Node"*] }
+	%struct.QObject = type { i32 (...)**, %struct.QObjectData* }
+	%struct.QObjectData = type { i32 (...)**, %struct.QObject*, %struct.QObject*, %"struct.QList<QPointer<QObject> >", i8, [3 x i8], i32, i32 }
+	%struct.QObjectPrivate = type { %struct.QObjectData, i32, %struct.QObject*, %"struct.QList<QPointer<QObject> >", %"struct.QVector<QAbstractTextDocumentLayout::Selection>", %struct.QString }
+	%struct.QPaintDevice = type { i32 (...)**, i16 }
+	%struct.QPainter = type { %struct.QPainterPrivate* }
+	%struct.QPainterPrivate = type opaque
+	%struct.QPointF = type { double, double }
+	%struct.QPrinter = type { %struct.QPaintDevice, %struct.QPrinterPrivate* }
+	%struct.QPrinterPrivate = type opaque
+	%struct.QRectF = type { double, double, double, double }
+	%"struct.QSet<uint>" = type { %"struct.QHash<uint,QHashDummyValue>" }
+	%"struct.QSharedDataPointer<QTextFormatPrivate>" = type { %struct.QTextFormatPrivate* }
+	%struct.QString = type { %"struct.QString::Data"* }
+	%"struct.QString::Data" = type { %struct.QBasicAtomic, i32, i32, i16*, i8, i8, [1 x i16] }
+	%struct.QTextBlockFormat = type { %struct.QTextFormat }
+	%struct.QTextBlockGroup = type { %struct.QAbstractTextDocumentLayout }
+	%struct.QTextDocumentConfig = type { %struct.QString }
+	%struct.QTextDocumentPrivate = type { %struct.QObjectPrivate, %struct.QString, %"struct.QVector<QAbstractTextDocumentLayout::Selection>", i1, i32, i32, i1, i32, i32, i32, i32, i1, %struct.QTextFormatCollection, %struct.QTextBlockGroup*, %struct.QAbstractTextDocumentLayout*, %"struct.QFragmentMap<QTextBlockData>", %"struct.QFragmentMap<QTextBlockData>", i32, %"struct.QList<QPointer<QObject> >", %"struct.QList<QPointer<QObject> >", %"struct.QMap<QUrl,QVariant>", %"struct.QMap<QUrl,QVariant>", %"struct.QMap<QUrl,QVariant>", %struct.QTextDocumentConfig, i1, i1, %struct.QPointF }
+	%struct.QTextFormat = type { %"struct.QSharedDataPointer<QTextFormatPrivate>", i32 }
+	%struct.QTextFormatCollection = type { %"struct.QVector<QAbstractTextDocumentLayout::Selection>", %"struct.QVector<QAbstractTextDocumentLayout::Selection>", %"struct.QSet<uint>", %struct.QFont }
+	%struct.QTextFormatPrivate = type opaque
+	%"struct.QVector<QAbstractTextDocumentLayout::Selection>" = type { %struct..4._102 }
+	%struct.QVectorData = type { %struct.QBasicAtomic, i32, i32, i8 }
+
+define void @_ZNK13QTextDocument5printEP8QPrinter(%struct.QAbstractTextDocumentLayout* %this, %struct.QPrinter* %printer) {
+entry:
+	%tmp = alloca %struct.QPointF, align 16		; <%struct.QPointF*> [#uses=2]
+	%tmp.upgrd.1 = alloca %struct.QRectF, align 16		; <%struct.QRectF*> [#uses=5]
+	%tmp2 = alloca %struct.QPointF, align 16		; <%struct.QPointF*> [#uses=3]
+	%tmp.upgrd.2 = alloca %struct.QFontMetrics, align 16		; <%struct.QFontMetrics*> [#uses=4]
+	%tmp.upgrd.3 = alloca %struct.QFont, align 16		; <%struct.QFont*> [#uses=4]
+	%tmp3 = alloca %struct.QPointF, align 16		; <%struct.QPointF*> [#uses=2]
+	%p = alloca %struct.QPainter, align 16		; <%struct.QPainter*> [#uses=14]
+	%body = alloca %struct.QRectF, align 16		; <%struct.QRectF*> [#uses=9]
+        %foo = alloca double, align 8
+        %bar = alloca double, align 8
+	%pageNumberPos = alloca %struct.QPointF, align 16		; <%struct.QPointF*> [#uses=4]
+	%scaledPageSize = alloca %struct.QPointF, align 16		; <%struct.QPointF*> [#uses=6]
+	%printerPageSize = alloca %struct.QPointF, align 16		; <%struct.QPointF*> [#uses=3]
+	%fmt = alloca %struct.QTextBlockFormat, align 16		; <%struct.QTextBlockFormat*> [#uses=5]
+	%font = alloca %struct.QFont, align 16		; <%struct.QFont*> [#uses=5]
+	%tmp.upgrd.4 = call %struct.QTextDocumentPrivate* @_ZNK13QTextDocument6d_funcEv( %struct.QAbstractTextDocumentLayout* %this )		; <%struct.QTextDocumentPrivate*> [#uses=5]
+	%tmp.upgrd.5 = getelementptr %struct.QPrinter* %printer, i32 0, i32 0		; <%struct.QPaintDevice*> [#uses=1]
+	call void @_ZN8QPainterC1EP12QPaintDevice( %struct.QPainter* %p, %struct.QPaintDevice* %tmp.upgrd.5 )
+	%tmp.upgrd.6 = invoke i1 @_ZNK8QPainter8isActiveEv( %struct.QPainter* %p )
+			to label %invcont unwind label %cleanup329		; <i1> [#uses=1]
+invcont:		; preds = %entry
+	br i1 %tmp.upgrd.6, label %cond_next, label %cleanup328
+cond_next:		; preds = %invcont
+	%tmp8 = invoke %struct.QAbstractTextDocumentLayout* @_ZNK13QTextDocument14documentLayoutEv( %struct.QAbstractTextDocumentLayout* %this )
+			to label %invcont7 unwind label %cleanup329		; <%struct.QAbstractTextDocumentLayout*> [#uses=0]
+invcont7:		; preds = %cond_next
+	%tmp10 = getelementptr %struct.QTextDocumentPrivate* %tmp.upgrd.4, i32 0, i32 26		; <%struct.QPointF*> [#uses=1]
+	call void @_ZN7QPointFC1Edd( %struct.QPointF* %tmp, double 0.000000e+00, double 0.000000e+00 )
+	call void @_ZN6QRectFC1ERK7QPointFRK6QSizeF( %struct.QRectF* %body, %struct.QPointF* %tmp, %struct.QPointF* %tmp10 )
+	call void @_ZN7QPointFC1Ev( %struct.QPointF* %pageNumberPos )
+	%tmp12 = getelementptr %struct.QTextDocumentPrivate* %tmp.upgrd.4, i32 0, i32 26		; <%struct.QPointF*> [#uses=1]
+	%tmp13 = call i1 @_ZNK6QSizeF7isValidEv( %struct.QPointF* %tmp12 )		; <i1> [#uses=1]
+	br i1 %tmp13, label %cond_next15, label %bb
+cond_next15:		; preds = %invcont7
+	%tmp17 = getelementptr %struct.QTextDocumentPrivate* %tmp.upgrd.4, i32 0, i32 26		; <%struct.QPointF*> [#uses=1]
+	%tmp.upgrd.7 = call double @_ZNK6QSizeF6heightEv( %struct.QPointF* %tmp17 )		; <double> [#uses=1]
+	%tmp18 = fcmp oeq double %tmp.upgrd.7, 0x41DFFFFFFFC00000		; <i1> [#uses=1]
+	br i1 %tmp18, label %bb, label %cond_next20
+cond_next20:		; preds = %cond_next15
+	br label %bb21
+bb:		; preds = %cond_next15, %invcont7
+	br label %bb21
+bb21:		; preds = %bb, %cond_next20
+	%iftmp.406.0 = phi i1 [ false, %bb ], [ true, %cond_next20 ]		; <i1> [#uses=1]
+	br i1 %iftmp.406.0, label %cond_true24, label %cond_false
+cond_true24:		; preds = %bb21
+	%tmp.upgrd.8 = invoke i32 @_Z13qt_defaultDpiv( )
+			to label %invcont25 unwind label %cleanup329		; <i32> [#uses=1]
+invcont25:		; preds = %cond_true24
+	%tmp26 = sitofp i32 %tmp.upgrd.8 to double		; <double> [#uses=2]
+	%tmp30 = invoke %struct.QAbstractTextDocumentLayout* @_ZNK13QTextDocument14documentLayoutEv( %struct.QAbstractTextDocumentLayout* %this )
+			to label %invcont29 unwind label %cleanup329		; <%struct.QAbstractTextDocumentLayout*> [#uses=1]
+invcont29:		; preds = %invcont25
+	%tmp32 = invoke %struct.QPaintDevice* @_ZNK27QAbstractTextDocumentLayout11paintDeviceEv( %struct.QAbstractTextDocumentLayout* %tmp30 )
+			to label %invcont31 unwind label %cleanup329		; <%struct.QPaintDevice*> [#uses=3]
+invcont31:		; preds = %invcont29
+	%tmp34 = icmp eq %struct.QPaintDevice* %tmp32, null		; <i1> [#uses=1]
+	br i1 %tmp34, label %cond_next42, label %cond_true35
+cond_true35:		; preds = %invcont31
+	%tmp38 = invoke i32 @_ZNK12QPaintDevice11logicalDpiXEv( %struct.QPaintDevice* %tmp32 )
+			to label %invcont37 unwind label %cleanup329		; <i32> [#uses=1]
+invcont37:		; preds = %cond_true35
+	%tmp38.upgrd.9 = sitofp i32 %tmp38 to double		; <double> [#uses=1]
+	%tmp41 = invoke i32 @_ZNK12QPaintDevice11logicalDpiYEv( %struct.QPaintDevice* %tmp32 )
+			to label %invcont40 unwind label %cleanup329		; <i32> [#uses=1]
+invcont40:		; preds = %invcont37
+	%tmp41.upgrd.10 = sitofp i32 %tmp41 to double		; <double> [#uses=1]
+	br label %cond_next42
+cond_next42:		; preds = %invcont40, %invcont31
+	%sourceDpiY.2 = phi double [ %tmp41.upgrd.10, %invcont40 ], [ %tmp26, %invcont31 ]		; <double> [#uses=1]
+	%sourceDpiX.2 = phi double [ %tmp38.upgrd.9, %invcont40 ], [ %tmp26, %invcont31 ]		; <double> [#uses=1]
+	%tmp44 = getelementptr %struct.QPrinter* %printer, i32 0, i32 0		; <%struct.QPaintDevice*> [#uses=1]
+	%tmp46 = invoke i32 @_ZNK12QPaintDevice11logicalDpiXEv( %struct.QPaintDevice* %tmp44 )
+			to label %invcont45 unwind label %cleanup329		; <i32> [#uses=1]
+invcont45:		; preds = %cond_next42
+	%tmp46.upgrd.11 = sitofp i32 %tmp46 to double		; <double> [#uses=1]
+	%tmp48 = fdiv double %tmp46.upgrd.11, %sourceDpiX.2		; <double> [#uses=2]
+	%tmp50 = getelementptr %struct.QPrinter* %printer, i32 0, i32 0		; <%struct.QPaintDevice*> [#uses=1]
+	%tmp52 = invoke i32 @_ZNK12QPaintDevice11logicalDpiYEv( %struct.QPaintDevice* %tmp50 )
+			to label %invcont51 unwind label %cleanup329		; <i32> [#uses=1]
+invcont51:		; preds = %invcont45
+	%tmp52.upgrd.12 = sitofp i32 %tmp52 to double		; <double> [#uses=1]
+	%tmp54 = fdiv double %tmp52.upgrd.12, %sourceDpiY.2		; <double> [#uses=2]
+	invoke void @_ZN8QPainter5scaleEdd( %struct.QPainter* %p, double %tmp48, double %tmp54 )
+			to label %invcont57 unwind label %cleanup329
+invcont57:		; preds = %invcont51
+	%tmp.upgrd.13 = getelementptr %struct.QPointF* %scaledPageSize, i32 0, i32 0		; <double*> [#uses=1]
+	%tmp60 = getelementptr %struct.QTextDocumentPrivate* %tmp.upgrd.4, i32 0, i32 26, i32 0		; <double*> [#uses=1]
+	%tmp61 = load double* %tmp60		; <double> [#uses=1]
+	store double %tmp61, double* %tmp.upgrd.13
+	%tmp62 = getelementptr %struct.QPointF* %scaledPageSize, i32 0, i32 1		; <double*> [#uses=1]
+	%tmp63 = getelementptr %struct.QTextDocumentPrivate* %tmp.upgrd.4, i32 0, i32 26, i32 1		; <double*> [#uses=1]
+	%tmp64 = load double* %tmp63		; <double> [#uses=1]
+	store double %tmp64, double* %tmp62
+	%tmp65 = call double* @_ZN6QSizeF6rwidthEv( %struct.QPointF* %scaledPageSize )		; <double*> [#uses=2]
+	%tmp67 = load double* %tmp65		; <double> [#uses=1]
+	%tmp69 = mul double %tmp67, %tmp48		; <double> [#uses=1]
+	store double %tmp69, double* %tmp65
+	%tmp71 = call double* @_ZN6QSizeF7rheightEv( %struct.QPointF* %scaledPageSize )		; <double*> [#uses=2]
+	%tmp73 = load double* %tmp71		; <double> [#uses=1]
+	%tmp75 = mul double %tmp73, %tmp54		; <double> [#uses=1]
+	store double %tmp75, double* %tmp71
+	%tmp78 = getelementptr %struct.QPrinter* %printer, i32 0, i32 0		; <%struct.QPaintDevice*> [#uses=1]
+	%tmp80 = invoke i32 @_ZNK12QPaintDevice6heightEv( %struct.QPaintDevice* %tmp78 )
+			to label %invcont79 unwind label %cleanup329		; <i32> [#uses=1]
+invcont79:		; preds = %invcont57
+	%tmp82 = getelementptr %struct.QPrinter* %printer, i32 0, i32 0		; <%struct.QPaintDevice*> [#uses=1]
+	%tmp84 = invoke i32 @_ZNK12QPaintDevice5widthEv( %struct.QPaintDevice* %tmp82 )
+			to label %invcont83 unwind label %cleanup329		; <i32> [#uses=1]
+invcont83:		; preds = %invcont79
+	%tmp80.upgrd.14 = sitofp i32 %tmp80 to double		; <double> [#uses=1]
+	%tmp84.upgrd.15 = sitofp i32 %tmp84 to double		; <double> [#uses=1]
+	call void @_ZN6QSizeFC1Edd( %struct.QPointF* %printerPageSize, double %tmp84.upgrd.15, double %tmp80.upgrd.14 )
+	%tmp85 = call double @_ZNK6QSizeF6heightEv( %struct.QPointF* %printerPageSize )		; <double> [#uses=1]
+	%tmp86 = call double @_ZNK6QSizeF6heightEv( %struct.QPointF* %scaledPageSize )		; <double> [#uses=1]
+	%tmp87 = fdiv double %tmp85, %tmp86		; <double> [#uses=1]
+	%tmp88 = call double @_ZNK6QSizeF5widthEv( %struct.QPointF* %printerPageSize )		; <double> [#uses=1]
+	%tmp89 = call double @_ZNK6QSizeF5widthEv( %struct.QPointF* %scaledPageSize )		; <double> [#uses=1]
+	%tmp90 = fdiv double %tmp88, %tmp89		; <double> [#uses=1]
+	invoke void @_ZN8QPainter5scaleEdd( %struct.QPainter* %p, double %tmp90, double %tmp87 )
+			to label %cond_next194 unwind label %cleanup329
+cond_false:		; preds = %bb21
+	%tmp.upgrd.16 = getelementptr %struct.QAbstractTextDocumentLayout* %this, i32 0, i32 0		; <%struct.QObject*> [#uses=1]
+	%tmp95 = invoke %struct.QAbstractTextDocumentLayout* @_ZNK13QTextDocument5cloneEP7QObject( %struct.QAbstractTextDocumentLayout* %this, %struct.QObject* %tmp.upgrd.16 )
+			to label %invcont94 unwind label %cleanup329		; <%struct.QAbstractTextDocumentLayout*> [#uses=9]
+invcont94:		; preds = %cond_false
+	%tmp99 = invoke %struct.QAbstractTextDocumentLayout* @_ZNK13QTextDocument14documentLayoutEv( %struct.QAbstractTextDocumentLayout* %tmp95 )
+			to label %invcont98 unwind label %cleanup329		; <%struct.QAbstractTextDocumentLayout*> [#uses=1]
+invcont98:		; preds = %invcont94
+	%tmp101 = invoke %struct.QPaintDevice* @_ZNK8QPainter6deviceEv( %struct.QPainter* %p )
+			to label %invcont100 unwind label %cleanup329		; <%struct.QPaintDevice*> [#uses=1]
+invcont100:		; preds = %invcont98
+	invoke void @_ZN27QAbstractTextDocumentLayout14setPaintDeviceEP12QPaintDevice( %struct.QAbstractTextDocumentLayout* %tmp99, %struct.QPaintDevice* %tmp101 )
+			to label %invcont103 unwind label %cleanup329
+invcont103:		; preds = %invcont100
+	%tmp105 = invoke %struct.QPaintDevice* @_ZNK8QPainter6deviceEv( %struct.QPainter* %p )
+			to label %invcont104 unwind label %cleanup329		; <%struct.QPaintDevice*> [#uses=1]
+invcont104:		; preds = %invcont103
+	%tmp107 = invoke i32 @_ZNK12QPaintDevice11logicalDpiYEv( %struct.QPaintDevice* %tmp105 )
+			to label %invcont106 unwind label %cleanup329		; <i32> [#uses=1]
+invcont106:		; preds = %invcont104
+	%tmp108 = sitofp i32 %tmp107 to double		; <double> [#uses=1]
+	%tmp109 = mul double %tmp108, 0x3FE93264C993264C		; <double> [#uses=1]
+	%tmp109.upgrd.17 = fptosi double %tmp109 to i32		; <i32> [#uses=3]
+	%tmp.upgrd.18 = call %struct.QTextBlockGroup* @_ZNK13QTextDocument9rootFrameEv( %struct.QAbstractTextDocumentLayout* %tmp95 )		; <%struct.QTextBlockGroup*> [#uses=1]
+	invoke void @_ZNK10QTextFrame11frameFormatEv( %struct.QTextBlockFormat* sret  %fmt, %struct.QTextBlockGroup* %tmp.upgrd.18 )
+			to label %invcont111 unwind label %cleanup329
+invcont111:		; preds = %invcont106
+	%tmp112 = sitofp i32 %tmp109.upgrd.17 to double		; <double> [#uses=1]
+	invoke void @_ZN16QTextFrameFormat9setMarginEd( %struct.QTextBlockFormat* %fmt, double %tmp112 )
+			to label %invcont114 unwind label %cleanup192
+invcont114:		; preds = %invcont111
+	%tmp116 = call %struct.QTextBlockGroup* @_ZNK13QTextDocument9rootFrameEv( %struct.QAbstractTextDocumentLayout* %tmp95 )		; <%struct.QTextBlockGroup*> [#uses=1]
+	invoke void @_ZN10QTextFrame14setFrameFormatERK16QTextFrameFormat( %struct.QTextBlockGroup* %tmp116, %struct.QTextBlockFormat* %fmt )
+			to label %invcont117 unwind label %cleanup192
+invcont117:		; preds = %invcont114
+	%tmp119 = invoke %struct.QPaintDevice* @_ZNK8QPainter6deviceEv( %struct.QPainter* %p )
+			to label %invcont118 unwind label %cleanup192		; <%struct.QPaintDevice*> [#uses=1]
+invcont118:		; preds = %invcont117
+	%tmp121 = invoke i32 @_ZNK12QPaintDevice6heightEv( %struct.QPaintDevice* %tmp119 )
+			to label %invcont120 unwind label %cleanup192		; <i32> [#uses=1]
+invcont120:		; preds = %invcont118
+	%tmp121.upgrd.19 = sitofp i32 %tmp121 to double		; <double> [#uses=1]
+	%tmp123 = invoke %struct.QPaintDevice* @_ZNK8QPainter6deviceEv( %struct.QPainter* %p )
+			to label %invcont122 unwind label %cleanup192		; <%struct.QPaintDevice*> [#uses=1]
+invcont122:		; preds = %invcont120
+	%tmp125 = invoke i32 @_ZNK12QPaintDevice5widthEv( %struct.QPaintDevice* %tmp123 )
+			to label %invcont124 unwind label %cleanup192		; <i32> [#uses=1]
+invcont124:		; preds = %invcont122
+	%tmp125.upgrd.20 = sitofp i32 %tmp125 to double		; <double> [#uses=1]
+	call void @_ZN6QRectFC1Edddd( %struct.QRectF* %tmp.upgrd.1, double 0.000000e+00, double 0.000000e+00, double %tmp125.upgrd.20, double %tmp121.upgrd.19 )
+	%tmp126 = getelementptr %struct.QRectF* %body, i32 0, i32 0		; <double*> [#uses=1]
+	%tmp127 = getelementptr %struct.QRectF* %tmp.upgrd.1, i32 0, i32 0		; <double*> [#uses=1]
+	%tmp128 = load double* %tmp127		; <double> [#uses=1]
+	store double %tmp128, double* %tmp126
+	%tmp129 = getelementptr %struct.QRectF* %body, i32 0, i32 1		; <double*> [#uses=1]
+	%tmp130 = getelementptr %struct.QRectF* %tmp.upgrd.1, i32 0, i32 1		; <double*> [#uses=1]
+	%tmp131 = load double* %tmp130		; <double> [#uses=1]
+	store double %tmp131, double* %tmp129
+	%tmp132 = getelementptr %struct.QRectF* %body, i32 0, i32 2		; <double*> [#uses=1]
+	%tmp133 = getelementptr %struct.QRectF* %tmp.upgrd.1, i32 0, i32 2		; <double*> [#uses=1]
+	%tmp134 = load double* %tmp133		; <double> [#uses=1]
+	store double %tmp134, double* %tmp132
+	%tmp135 = getelementptr %struct.QRectF* %body, i32 0, i32 3		; <double*> [#uses=1]
+	%tmp136 = getelementptr %struct.QRectF* %tmp.upgrd.1, i32 0, i32 3		; <double*> [#uses=1]
+	%tmp137 = load double* %tmp136		; <double> [#uses=1]
+	store double %tmp137, double* %tmp135
+	%tmp138 = call double @_ZNK6QRectF6heightEv( %struct.QRectF* %body )		; <double> [#uses=1]
+	%tmp139 = sitofp i32 %tmp109.upgrd.17 to double		; <double> [#uses=1]
+	%tmp140 = sub double %tmp138, %tmp139		; <double> [#uses=1]
+	%tmp142 = invoke %struct.QPaintDevice* @_ZNK8QPainter6deviceEv( %struct.QPainter* %p )
+			to label %invcont141 unwind label %cleanup192		; <%struct.QPaintDevice*> [#uses=1]
+invcont141:		; preds = %invcont124
+	invoke void @_ZNK13QTextDocument11defaultFontEv( %struct.QFont* sret  %tmp.upgrd.3, %struct.QAbstractTextDocumentLayout* %tmp95 )
+			to label %invcont144 unwind label %cleanup192
+invcont144:		; preds = %invcont141
+	invoke void @_ZN12QFontMetricsC1ERK5QFontP12QPaintDevice( %struct.QFontMetrics* %tmp.upgrd.2, %struct.QFont* %tmp.upgrd.3, %struct.QPaintDevice* %tmp142 )
+			to label %invcont146 unwind label %cleanup173
+invcont146:		; preds = %invcont144
+	%tmp149 = invoke i32 @_ZNK12QFontMetrics6ascentEv( %struct.QFontMetrics* %tmp.upgrd.2 )
+			to label %invcont148 unwind label %cleanup168		; <i32> [#uses=1]
+invcont148:		; preds = %invcont146
+	%tmp149.upgrd.21 = sitofp i32 %tmp149 to double		; <double> [#uses=1]
+	%tmp150 = add double %tmp140, %tmp149.upgrd.21		; <double> [#uses=1]
+	%tmp152 = invoke %struct.QPaintDevice* @_ZNK8QPainter6deviceEv( %struct.QPainter* %p )
+			to label %invcont151 unwind label %cleanup168		; <%struct.QPaintDevice*> [#uses=1]
+invcont151:		; preds = %invcont148
+	%tmp154 = invoke i32 @_ZNK12QPaintDevice11logicalDpiYEv( %struct.QPaintDevice* %tmp152 )
+			to label %invcont153 unwind label %cleanup168		; <i32> [#uses=1]
+invcont153:		; preds = %invcont151
+	%tmp155 = mul i32 %tmp154, 5		; <i32> [#uses=1]
+	%tmp156 = sdiv i32 %tmp155, 72		; <i32> [#uses=1]
+	%tmp156.upgrd.22 = sitofp i32 %tmp156 to double		; <double> [#uses=1]
+	%tmp157 = add double %tmp150, %tmp156.upgrd.22		; <double> [#uses=1]
+	%tmp158 = call double @_ZNK6QRectF5widthEv( %struct.QRectF* %body )		; <double> [#uses=1]
+	%tmp159 = sitofp i32 %tmp109.upgrd.17 to double		; <double> [#uses=1]
+	%tmp160 = sub double %tmp158, %tmp159		; <double> [#uses=1]
+	call void @_ZN7QPointFC1Edd( %struct.QPointF* %tmp2, double %tmp160, double %tmp157 )
+	%tmp161 = getelementptr %struct.QPointF* %pageNumberPos, i32 0, i32 0		; <double*> [#uses=1]
+	%tmp162 = getelementptr %struct.QPointF* %tmp2, i32 0, i32 0		; <double*> [#uses=1]
+	%tmp163 = load double* %tmp162		; <double> [#uses=1]
+	store double %tmp163, double* %tmp161
+	%tmp164 = getelementptr %struct.QPointF* %pageNumberPos, i32 0, i32 1		; <double*> [#uses=1]
+	%tmp165 = getelementptr %struct.QPointF* %tmp2, i32 0, i32 1		; <double*> [#uses=1]
+	%tmp166 = load double* %tmp165		; <double> [#uses=1]
+	store double %tmp166, double* %tmp164
+	invoke void @_ZN12QFontMetricsD1Ev( %struct.QFontMetrics* %tmp.upgrd.2 )
+			to label %cleanup171 unwind label %cleanup173
+cleanup168:		; preds = %invcont151, %invcont148, %invcont146
+	invoke void @_ZN12QFontMetricsD1Ev( %struct.QFontMetrics* %tmp.upgrd.2 )
+			to label %cleanup173 unwind label %cleanup173
+cleanup171:		; preds = %invcont153
+	invoke void @_ZN5QFontD1Ev( %struct.QFont* %tmp.upgrd.3 )
+			to label %finally170 unwind label %cleanup192
+cleanup173:		; preds = %cleanup168, %cleanup168, %invcont153, %invcont144
+	invoke void @_ZN5QFontD1Ev( %struct.QFont* %tmp.upgrd.3 )
+			to label %cleanup192 unwind label %cleanup192
+finally170:		; preds = %cleanup171
+	invoke void @_ZNK13QTextDocument11defaultFontEv( %struct.QFont* sret  %font, %struct.QAbstractTextDocumentLayout* %tmp95 )
+			to label %invcont177 unwind label %cleanup192
+invcont177:		; preds = %finally170
+	invoke void @_ZN5QFont12setPointSizeEi( %struct.QFont* %font, i32 10 )
+			to label %invcont179 unwind label %cleanup187
+invcont179:		; preds = %invcont177
+	invoke void @_ZN13QTextDocument14setDefaultFontERK5QFont( %struct.QAbstractTextDocumentLayout* %tmp95, %struct.QFont* %font )
+			to label %invcont181 unwind label %cleanup187
+invcont181:		; preds = %invcont179
+	call void @_ZNK6QRectF4sizeEv( %struct.QPointF* sret  %tmp3, %struct.QRectF* %body )
+	invoke void @_ZN13QTextDocument11setPageSizeERK6QSizeF( %struct.QAbstractTextDocumentLayout* %tmp95, %struct.QPointF* %tmp3 )
+			to label %cleanup185 unwind label %cleanup187
+cleanup185:		; preds = %invcont181
+	invoke void @_ZN5QFontD1Ev( %struct.QFont* %font )
+			to label %cleanup190 unwind label %cleanup192
+cleanup187:		; preds = %invcont181, %invcont179, %invcont177
+	invoke void @_ZN5QFontD1Ev( %struct.QFont* %font )
+			to label %cleanup192 unwind label %cleanup192
+cleanup190:		; preds = %cleanup185
+	invoke void @_ZN16QTextFrameFormatD1Ev( %struct.QTextBlockFormat* %fmt )
+			to label %cond_next194 unwind label %cleanup329
+cleanup192:		; preds = %cleanup187, %cleanup187, %cleanup185, %finally170, %cleanup173, %cleanup173, %cleanup171, %invcont141, %invcont124, %invcont122, %invcont120, %invcont118, %invcont117, %invcont114, %invcont111
+	invoke void @_ZN16QTextFrameFormatD1Ev( %struct.QTextBlockFormat* %fmt )
+			to label %cleanup329 unwind label %cleanup329
+cond_next194:		; preds = %cleanup190, %invcont83
+	%clonedDoc.1 = phi %struct.QAbstractTextDocumentLayout* [ null, %invcont83 ], [ %tmp95, %cleanup190 ]		; <%struct.QAbstractTextDocumentLayout*> [#uses=3]
+	%doc.1 = phi %struct.QAbstractTextDocumentLayout* [ %this, %invcont83 ], [ %tmp95, %cleanup190 ]		; <%struct.QAbstractTextDocumentLayout*> [#uses=2]
+	%tmp197 = invoke i1 @_ZNK8QPrinter13collateCopiesEv( %struct.QPrinter* %printer )
+			to label %invcont196 unwind label %cleanup329		; <i1> [#uses=1]
+invcont196:		; preds = %cond_next194
+	br i1 %tmp197, label %cond_true200, label %cond_false204
+cond_true200:		; preds = %invcont196
+	%tmp2000 = load double* %foo
+	store double %tmp2000, double* %bar
+	%tmp203 = invoke i32 @_ZNK8QPrinter9numCopiesEv( %struct.QPrinter* %printer )
+			to label %cond_next208 unwind label %cleanup329		; <i32> [#uses=1]
+cond_false204:		; preds = %invcont196
+	%tmp2001 = load double* %foo
+	store double %tmp2001, double* %bar
+	%tmp207 = invoke i32 @_ZNK8QPrinter9numCopiesEv( %struct.QPrinter* %printer )
+			to label %cond_next208 unwind label %cleanup329		; <i32> [#uses=1]
+cond_next208:		; preds = %invcont206, %invcont202
+	%pageCopies.0 = phi i32 [ %tmp203, %cond_true200 ], [ 1, %cond_false204 ]		; <i32> [#uses=2]
+	%docCopies.0 = phi i32 [ 1, %cond_true200 ], [ %tmp207, %cond_false204 ]		; <i32> [#uses=2]
+	%tmp211 = invoke i32 @_ZNK8QPrinter8fromPageEv( %struct.QPrinter* %printer )
+			to label %invcont210 unwind label %cleanup329		; <i32> [#uses=3]
+invcont210:		; preds = %cond_next208
+	%tmp214 = invoke i32 @_ZNK8QPrinter6toPageEv( %struct.QPrinter* %printer )
+			to label %invcont213 unwind label %cleanup329		; <i32> [#uses=3]
+invcont213:		; preds = %invcont210
+	%tmp216 = icmp eq i32 %tmp211, 0		; <i1> [#uses=1]
+	br i1 %tmp216, label %cond_true217, label %cond_next225
+cond_true217:		; preds = %invcont213
+	%tmp219 = icmp eq i32 %tmp214, 0		; <i1> [#uses=1]
+	br i1 %tmp219, label %cond_true220, label %cond_next225
+cond_true220:		; preds = %cond_true217
+	%tmp223 = invoke i32 @_ZNK13QTextDocument9pageCountEv( %struct.QAbstractTextDocumentLayout* %doc.1 )
+			to label %invcont222 unwind label %cleanup329		; <i32> [#uses=1]
+invcont222:		; preds = %cond_true220
+	br label %cond_next225
+cond_next225:		; preds = %invcont222, %cond_true217, %invcont213
+	%toPage.1 = phi i32 [ %tmp223, %invcont222 ], [ %tmp214, %cond_true217 ], [ %tmp214, %invcont213 ]		; <i32> [#uses=2]
+	%fromPage.1 = phi i32 [ 1, %invcont222 ], [ %tmp211, %cond_true217 ], [ %tmp211, %invcont213 ]		; <i32> [#uses=2]
+	%tmp.page = invoke i32 @_ZNK8QPrinter9pageOrderEv( %struct.QPrinter* %printer )
+			to label %invcont227 unwind label %cleanup329		; <i32> [#uses=1]
+invcont227:		; preds = %cond_next225
+	%tmp228 = icmp eq i32 %tmp.page, 1		; <i1> [#uses=1]
+	br i1 %tmp228, label %cond_true230, label %cond_next234
+cond_true230:		; preds = %invcont227
+	br label %cond_next234
+cond_next234:		; preds = %cond_true230, %invcont227
+	%ascending.1 = phi i1 [ false, %cond_true230 ], [ true, %invcont227 ]		; <i1> [#uses=1]
+	%toPage.2 = phi i32 [ %fromPage.1, %cond_true230 ], [ %toPage.1, %invcont227 ]		; <i32> [#uses=1]
+	%fromPage.2 = phi i32 [ %toPage.1, %cond_true230 ], [ %fromPage.1, %invcont227 ]		; <i32> [#uses=1]
+	br label %bb309
+bb237:		; preds = %cond_true313, %cond_next293
+	%iftmp.410.4 = phi i1 [ %iftmp.410.5, %cond_true313 ], [ %iftmp.410.1, %cond_next293 ]		; <i1> [#uses=1]
+	%page.4 = phi i32 [ %fromPage.2, %cond_true313 ], [ %page.3, %cond_next293 ]		; <i32> [#uses=4]
+	br label %bb273
+invcont240:		; preds = %cond_true277
+	%tmp242 = icmp eq i32 %tmp241, 2		; <i1> [#uses=1]
+	br i1 %tmp242, label %bb252, label %cond_next244
+cond_next244:		; preds = %invcont240
+	%tmp247 = invoke i32 @_ZNK8QPrinter12printerStateEv( %struct.QPrinter* %printer )
+			to label %invcont246 unwind label %cleanup329		; <i32> [#uses=1]
+invcont246:		; preds = %cond_next244
+	%tmp248 = icmp eq i32 %tmp247, 3		; <i1> [#uses=1]
+	br i1 %tmp248, label %bb252, label %bb253
+bb252:		; preds = %invcont246, %invcont240
+	br label %bb254
+bb253:		; preds = %invcont246
+	br label %bb254
+bb254:		; preds = %bb253, %bb252
+	%iftmp.410.0 = phi i1 [ true, %bb252 ], [ false, %bb253 ]		; <i1> [#uses=2]
+	br i1 %iftmp.410.0, label %UserCanceled, label %cond_next258
+cond_next258:		; preds = %bb254
+	invoke fastcc void @_Z9printPageiP8QPainterPK13QTextDocumentRK6QRectFRK7QPointF( i32 %page.4, %struct.QPainter* %p, %struct.QAbstractTextDocumentLayout* %doc.1, %struct.QRectF* %body, %struct.QPointF* %pageNumberPos )
+			to label %invcont261 unwind label %cleanup329
+invcont261:		; preds = %cond_next258
+	%tmp263 = add i32 %pageCopies.0, -1		; <i32> [#uses=1]
+	%tmp265 = icmp sgt i32 %tmp263, %j.4		; <i1> [#uses=1]
+	br i1 %tmp265, label %cond_true266, label %cond_next270
+cond_true266:		; preds = %invcont261
+	%tmp269 = invoke i1 @_ZN8QPrinter7newPageEv( %struct.QPrinter* %printer )
+			to label %cond_next270 unwind label %cleanup329		; <i1> [#uses=0]
+cond_next270:		; preds = %cond_true266, %invcont261
+	%tmp272 = add i32 %j.4, 1		; <i32> [#uses=1]
+	br label %bb273
+bb273:		; preds = %cond_next270, %bb237
+	%iftmp.410.1 = phi i1 [ %iftmp.410.4, %bb237 ], [ %iftmp.410.0, %cond_next270 ]		; <i1> [#uses=2]
+	%j.4 = phi i32 [ 0, %bb237 ], [ %tmp272, %cond_next270 ]		; <i32> [#uses=3]
+	%tmp276 = icmp slt i32 %j.4, %pageCopies.0		; <i1> [#uses=1]
+	br i1 %tmp276, label %cond_true277, label %bb280
+cond_true277:		; preds = %bb273
+	%tmp241 = invoke i32 @_ZNK8QPrinter12printerStateEv( %struct.QPrinter* %printer )
+			to label %invcont240 unwind label %cleanup329		; <i32> [#uses=1]
+bb280:		; preds = %bb273
+	%tmp283 = icmp eq i32 %page.4, %toPage.2		; <i1> [#uses=1]
+	br i1 %tmp283, label %bb297, label %cond_next285
+cond_next285:		; preds = %bb280
+	br i1 %ascending.1, label %cond_true287, label %cond_false290
+cond_true287:		; preds = %cond_next285
+	%tmp289 = add i32 %page.4, 1		; <i32> [#uses=1]
+	br label %cond_next293
+cond_false290:		; preds = %cond_next285
+	%tmp292 = add i32 %page.4, -1		; <i32> [#uses=1]
+	br label %cond_next293
+cond_next293:		; preds = %cond_false290, %cond_true287
+	%page.3 = phi i32 [ %tmp289, %cond_true287 ], [ %tmp292, %cond_false290 ]		; <i32> [#uses=1]
+	%tmp296 = invoke i1 @_ZN8QPrinter7newPageEv( %struct.QPrinter* %printer )
+			to label %bb237 unwind label %cleanup329		; <i1> [#uses=0]
+bb297:		; preds = %bb280
+	%tmp299 = add i32 %docCopies.0, -1		; <i32> [#uses=1]
+	%tmp301 = icmp sgt i32 %tmp299, %i.1		; <i1> [#uses=1]
+	br i1 %tmp301, label %cond_true302, label %cond_next306
+cond_true302:		; preds = %bb297
+	%tmp305 = invoke i1 @_ZN8QPrinter7newPageEv( %struct.QPrinter* %printer )
+			to label %cond_next306 unwind label %cleanup329		; <i1> [#uses=0]
+cond_next306:		; preds = %cond_true302, %bb297
+	%tmp308 = add i32 %i.1, 1		; <i32> [#uses=1]
+	br label %bb309
+bb309:		; preds = %cond_next306, %cond_next234
+	%iftmp.410.5 = phi i1 [ undef, %cond_next234 ], [ %iftmp.410.1, %cond_next306 ]		; <i1> [#uses=1]
+	%i.1 = phi i32 [ 0, %cond_next234 ], [ %tmp308, %cond_next306 ]		; <i32> [#uses=3]
+	%tmp312 = icmp slt i32 %i.1, %docCopies.0		; <i1> [#uses=1]
+	br i1 %tmp312, label %cond_true313, label %UserCanceled
+cond_true313:		; preds = %bb309
+	br label %bb237
+UserCanceled:		; preds = %bb309, %bb254
+	%tmp318 = icmp eq %struct.QAbstractTextDocumentLayout* %clonedDoc.1, null		; <i1> [#uses=1]
+	br i1 %tmp318, label %cleanup327, label %cond_true319
+cond_true319:		; preds = %UserCanceled
+	%tmp.upgrd.23 = getelementptr %struct.QAbstractTextDocumentLayout* %clonedDoc.1, i32 0, i32 0, i32 0		; <i32 (...)***> [#uses=1]
+	%tmp.upgrd.24 = load i32 (...)*** %tmp.upgrd.23		; <i32 (...)**> [#uses=1]
+	%tmp322 = getelementptr i32 (...)** %tmp.upgrd.24, i32 4		; <i32 (...)**> [#uses=1]
+	%tmp.upgrd.25 = load i32 (...)** %tmp322		; <i32 (...)*> [#uses=1]
+	%tmp.upgrd.26 = bitcast i32 (...)* %tmp.upgrd.25 to void (%struct.QAbstractTextDocumentLayout*)*		; <void (%struct.QAbstractTextDocumentLayout*)*> [#uses=1]
+	invoke void %tmp.upgrd.26( %struct.QAbstractTextDocumentLayout* %clonedDoc.1 )
+			to label %cleanup327 unwind label %cleanup329
+cleanup327:		; preds = %cond_true319, %UserCanceled
+	call void @_ZN8QPainterD1Ev( %struct.QPainter* %p )
+	ret void
+cleanup328:		; preds = %invcont
+	call void @_ZN8QPainterD1Ev( %struct.QPainter* %p )
+	ret void
+cleanup329:		; preds = %cond_true319, %cond_true302, %cond_next293, %cond_true277, %cond_true266, %cond_next258, %cond_next244, %cond_next225, %cond_true220, %invcont210, %cond_next208, %cond_false204, %cond_true200, %cond_next194, %cleanup192, %cleanup192, %cleanup190, %invcont106, %invcont104, %invcont103, %invcont100, %invcont98, %invcont94, %cond_false, %invcont83, %invcont79, %invcont57, %invcont51, %invcont45, %cond_next42, %invcont37, %cond_true35, %invcont29, %invcont25, %cond_true24, %cond_next, %entry
+	call void @_ZN8QPainterD1Ev( %struct.QPainter* %p )
+	unwind
+}
+
+declare void @_ZN6QSizeFC1Edd(%struct.QPointF*, double, double)
+
+declare i1 @_ZNK6QSizeF7isValidEv(%struct.QPointF*)
+
+declare double @_ZNK6QSizeF5widthEv(%struct.QPointF*)
+
+declare double @_ZNK6QSizeF6heightEv(%struct.QPointF*)
+
+declare double* @_ZN6QSizeF6rwidthEv(%struct.QPointF*)
+
+declare double* @_ZN6QSizeF7rheightEv(%struct.QPointF*)
+
+declare %struct.QTextDocumentPrivate* @_ZNK13QTextDocument6d_funcEv(%struct.QAbstractTextDocumentLayout*)
+
+declare void @_ZN7QPointFC1Ev(%struct.QPointF*)
+
+declare void @_ZN7QPointFC1Edd(%struct.QPointF*, double, double)
+
+declare void @_ZN16QTextFrameFormat9setMarginEd(%struct.QTextBlockFormat*, double)
+
+declare void @_ZN6QRectFC1Edddd(%struct.QRectF*, double, double, double, double)
+
+declare void @_ZN6QRectFC1ERK7QPointFRK6QSizeF(%struct.QRectF*, %struct.QPointF*, %struct.QPointF*)
+
+declare double @_ZNK6QRectF5widthEv(%struct.QRectF*)
+
+declare double @_ZNK6QRectF6heightEv(%struct.QRectF*)
+
+declare void @_ZNK6QRectF4sizeEv(%struct.QPointF*, %struct.QRectF*)
+
+declare void @_ZN16QTextFrameFormatD1Ev(%struct.QTextBlockFormat*)
+
+declare void @_ZNK10QTextFrame11frameFormatEv(%struct.QTextBlockFormat*, %struct.QTextBlockGroup*)
+
+declare void @_ZN10QTextFrame14setFrameFormatERK16QTextFrameFormat(%struct.QTextBlockGroup*, %struct.QTextBlockFormat*)
+
+declare i32 @_ZNK12QPaintDevice5widthEv(%struct.QPaintDevice*)
+
+declare i32 @_ZNK12QPaintDevice6heightEv(%struct.QPaintDevice*)
+
+declare i32 @_ZNK12QPaintDevice11logicalDpiXEv(%struct.QPaintDevice*)
+
+declare i32 @_ZNK12QPaintDevice11logicalDpiYEv(%struct.QPaintDevice*)
+
+declare %struct.QAbstractTextDocumentLayout* @_ZNK13QTextDocument5cloneEP7QObject(%struct.QAbstractTextDocumentLayout*, %struct.QObject*)
+
+declare void @_ZN5QFontD1Ev(%struct.QFont*)
+
+declare %struct.QAbstractTextDocumentLayout* @_ZNK13QTextDocument14documentLayoutEv(%struct.QAbstractTextDocumentLayout*)
+
+declare %struct.QTextBlockGroup* @_ZNK13QTextDocument9rootFrameEv(%struct.QAbstractTextDocumentLayout*)
+
+declare i32 @_ZNK13QTextDocument9pageCountEv(%struct.QAbstractTextDocumentLayout*)
+
+declare void @_ZNK13QTextDocument11defaultFontEv(%struct.QFont*, %struct.QAbstractTextDocumentLayout*)
+
+declare void @_ZN13QTextDocument14setDefaultFontERK5QFont(%struct.QAbstractTextDocumentLayout*, %struct.QFont*)
+
+declare void @_ZN13QTextDocument11setPageSizeERK6QSizeF(%struct.QAbstractTextDocumentLayout*, %struct.QPointF*)
+
+declare void @_Z9printPageiP8QPainterPK13QTextDocumentRK6QRectFRK7QPointF(i32, %struct.QPainter*, %struct.QAbstractTextDocumentLayout*, %struct.QRectF*, %struct.QPointF*)
+
+declare void @_ZN12QFontMetricsD1Ev(%struct.QFontMetrics*)
+
+declare void @_ZN8QPainterC1EP12QPaintDevice(%struct.QPainter*, %struct.QPaintDevice*)
+
+declare i1 @_ZNK8QPainter8isActiveEv(%struct.QPainter*)
+
+declare i32 @_Z13qt_defaultDpiv()
+
+declare %struct.QPaintDevice* @_ZNK27QAbstractTextDocumentLayout11paintDeviceEv(%struct.QAbstractTextDocumentLayout*)
+
+declare void @_ZN8QPainter5scaleEdd(%struct.QPainter*, double, double)
+
+declare %struct.QPaintDevice* @_ZNK8QPainter6deviceEv(%struct.QPainter*)
+
+declare void @_ZN27QAbstractTextDocumentLayout14setPaintDeviceEP12QPaintDevice(%struct.QAbstractTextDocumentLayout*, %struct.QPaintDevice*)
+
+declare void @_ZN12QFontMetricsC1ERK5QFontP12QPaintDevice(%struct.QFontMetrics*, %struct.QFont*, %struct.QPaintDevice*)
+
+declare i32 @_ZNK12QFontMetrics6ascentEv(%struct.QFontMetrics*)
+
+declare void @_ZN5QFont12setPointSizeEi(%struct.QFont*, i32)
+
+declare i1 @_ZNK8QPrinter13collateCopiesEv(%struct.QPrinter*)
+
+declare i32 @_ZNK8QPrinter9numCopiesEv(%struct.QPrinter*)
+
+declare i32 @_ZNK8QPrinter8fromPageEv(%struct.QPrinter*)
+
+declare i32 @_ZNK8QPrinter6toPageEv(%struct.QPrinter*)
+
+declare i32 @_ZNK8QPrinter9pageOrderEv(%struct.QPrinter*)
+
+declare i32 @_ZNK8QPrinter12printerStateEv(%struct.QPrinter*)
+
+declare i1 @_ZN8QPrinter7newPageEv(%struct.QPrinter*)
+
+declare void @_ZN8QPainterD1Ev(%struct.QPainter*)
diff --git a/test/Transforms/SimplifyLibCalls/2008-12-20-StrcmpMemcmp.ll b/test/Transforms/SimplifyLibCalls/2008-12-20-StrcmpMemcmp.ll
deleted file mode 100644
index d35da8d..0000000
--- a/test/Transforms/SimplifyLibCalls/2008-12-20-StrcmpMemcmp.ll
+++ /dev/null
@@ -1,10 +0,0 @@
-; RUN: llvm-as < %s | opt -simplify-libcalls | llvm-dis | grep call.*memcmp
-
-@.str = internal constant [2 x i8] c"x\00"
-
-declare i32 @strcmp(i8* %dest, i8* %src)
-
-define i32 @foo(i8* %x, i8* %y) {
-  %A = call i32 @strcmp(i8* %x, i8* getelementptr ([2 x i8]* @.str, i32 0, i32 0))
-  ret i32 %A
-}
diff --git a/test/Transforms/TailCallElim/dont_reorder_load.ll b/test/Transforms/TailCallElim/dont_reorder_load.ll
new file mode 100644
index 0000000..8fbe008
--- /dev/null
+++ b/test/Transforms/TailCallElim/dont_reorder_load.ll
@@ -0,0 +1,64 @@
+; RUN: llvm-as <%s | opt -tailcallelim | llvm-dis | grep call | count 3
+; PR4323
+
+; Several cases where tail call elimination should not move the load above the
+; call, and thus can't eliminate the tail recursion.
+
+
+@extern_weak_global = extern_weak global i32		; <i32*> [#uses=1]
+
+
+; This load can't be safely moved above the call because the load is from an
+; extern_weak global and may trap, but the call may unwind before that happens.
+define fastcc i32 @no_tailrecelim_1(i32* %a_arg, i32 %a_len_arg, i32 %start_arg) readonly {
+entry:
+	%tmp2 = icmp sge i32 %start_arg, %a_len_arg		; <i1> [#uses=1]
+	br i1 %tmp2, label %if, label %else
+
+if:		; preds = %entry
+	unwind
+
+else:		; preds = %entry
+	%tmp7 = add i32 %start_arg, 1		; <i32> [#uses=1]
+	%tmp8 = call fastcc i32 @no_tailrecelim_1(i32* %a_arg, i32 %a_len_arg, i32 %tmp7)		; <i32> [#uses=1]
+	%tmp9 = load i32* @extern_weak_global		; <i32> [#uses=1]
+	%tmp10 = add i32 %tmp9, %tmp8		; <i32> [#uses=1]
+	ret i32 %tmp10
+}
+
+
+; This load can't be safely moved above the call because function may write to the pointer.
+define fastcc i32 @no_tailrecelim_2(i32* %a_arg, i32 %a_len_arg, i32 %start_arg) nounwind {
+entry:
+	%tmp2 = icmp sge i32 %start_arg, %a_len_arg		; <i1> [#uses=1]
+	br i1 %tmp2, label %if, label %else
+
+if:		; preds = %entry
+	store i32 1, i32* %a_arg;
+        ret i32 0;
+
+else:		; preds = %entry
+	%tmp7 = add i32 %start_arg, 1		; <i32> [#uses=1]
+	%tmp8 = call fastcc i32 @no_tailrecelim_2(i32* %a_arg, i32 %a_len_arg, i32 %tmp7)		; <i32> [#uses=1]
+	%tmp9 = load i32* %a_arg		; <i32> [#uses=1]
+	%tmp10 = add i32 %tmp9, %tmp8		; <i32> [#uses=1]
+	ret i32 %tmp10
+}
+
+; This load can't be safely moved above the call because that would change the
+; order in which the volatile loads are performed.
+define fastcc i32 @no_tailrecelim_3(i32* %a_arg, i32 %a_len_arg, i32 %start_arg) nounwind {
+entry:
+	%tmp2 = icmp sge i32 %start_arg, %a_len_arg		; <i1> [#uses=1]
+	br i1 %tmp2, label %if, label %else
+
+if:		; preds = %entry
+        ret i32 0;
+
+else:		; preds = %entry
+	%tmp7 = add i32 %start_arg, 1		; <i32> [#uses=1]
+	%tmp8 = call fastcc i32 @no_tailrecelim_3(i32* %a_arg, i32 %a_len_arg, i32 %tmp7)		; <i32> [#uses=1]
+	%tmp9 = volatile load i32* %a_arg		; <i32> [#uses=1]
+	%tmp10 = add i32 %tmp9, %tmp8		; <i32> [#uses=1]
+	ret i32 %tmp10
+}
diff --git a/test/Transforms/TailCallElim/reorder_load.ll b/test/Transforms/TailCallElim/reorder_load.ll
new file mode 100644
index 0000000..aeb9042
--- /dev/null
+++ b/test/Transforms/TailCallElim/reorder_load.ll
@@ -0,0 +1,101 @@
+; RUN: llvm-as <%s | opt -tailcallelim | llvm-dis | not grep call
+; PR4323
+
+; Several cases where tail call elimination should move the load above the call,
+; then eliminate the tail recursion.
+
+
+@global = external global i32		; <i32*> [#uses=1]
+@extern_weak_global = extern_weak global i32		; <i32*> [#uses=1]
+
+
+; This load can be moved above the call because the function won't write to it
+; and the call has no side effects.
+define fastcc i32 @raise_load_1(i32* %a_arg, i32 %a_len_arg, i32 %start_arg) nounwind readonly {
+entry:
+	%tmp2 = icmp sge i32 %start_arg, %a_len_arg		; <i1> [#uses=1]
+	br i1 %tmp2, label %if, label %else
+
+if:		; preds = %entry
+	ret i32 0
+
+else:		; preds = %entry
+	%tmp7 = add i32 %start_arg, 1		; <i32> [#uses=1]
+	%tmp8 = call fastcc i32 @raise_load_1(i32* %a_arg, i32 %a_len_arg, i32 %tmp7)		; <i32> [#uses=1]
+	%tmp9 = load i32* %a_arg		; <i32> [#uses=1]
+	%tmp10 = add i32 %tmp9, %tmp8		; <i32> [#uses=1]
+	ret i32 %tmp10
+}
+
+
+; This load can be moved above the call because the function won't write to it
+; and the load provably can't trap.
+define fastcc i32 @raise_load_2(i32* %a_arg, i32 %a_len_arg, i32 %start_arg) readonly {
+entry:
+	%tmp2 = icmp sge i32 %start_arg, %a_len_arg		; <i1> [#uses=1]
+	br i1 %tmp2, label %if, label %else
+
+if:		; preds = %entry
+	ret i32 0
+
+else:		; preds = %entry
+	%nullcheck = icmp eq i32* %a_arg, null		; <i1> [#uses=1]
+	br i1 %nullcheck, label %unwind, label %recurse
+
+unwind:		; preds = %else
+	unwind
+
+recurse:		; preds = %else
+	%tmp7 = add i32 %start_arg, 1		; <i32> [#uses=1]
+	%tmp8 = call fastcc i32 @raise_load_2(i32* %a_arg, i32 %a_len_arg, i32 %tmp7)		; <i32> [#uses=1]
+	%tmp9 = load i32* @global		; <i32> [#uses=1]
+	%tmp10 = add i32 %tmp9, %tmp8		; <i32> [#uses=1]
+	ret i32 %tmp10
+}
+
+
+; This load can be safely moved above the call (even though it's from an
+; extern_weak global) because the call has no side effects.
+define fastcc i32 @raise_load_3(i32* %a_arg, i32 %a_len_arg, i32 %start_arg) nounwind readonly {
+entry:
+	%tmp2 = icmp sge i32 %start_arg, %a_len_arg		; <i1> [#uses=1]
+	br i1 %tmp2, label %if, label %else
+
+if:		; preds = %entry
+	ret i32 0
+
+else:		; preds = %entry
+	%tmp7 = add i32 %start_arg, 1		; <i32> [#uses=1]
+	%tmp8 = call fastcc i32 @raise_load_3(i32* %a_arg, i32 %a_len_arg, i32 %tmp7)		; <i32> [#uses=1]
+	%tmp9 = load i32* @extern_weak_global		; <i32> [#uses=1]
+	%tmp10 = add i32 %tmp9, %tmp8		; <i32> [#uses=1]
+	ret i32 %tmp10
+}
+
+
+; The second load can be safely moved above the call even though it's from an
+; unknown pointer (which normally means it might trap) because the first load
+; proves it doesn't trap.
+define fastcc i32 @raise_load_4(i32* %a_arg, i32 %a_len_arg, i32 %start_arg) readonly {
+entry:
+	%tmp2 = icmp sge i32 %start_arg, %a_len_arg		; <i1> [#uses=1]
+	br i1 %tmp2, label %if, label %else
+
+if:		; preds = %entry
+	ret i32 0
+
+else:		; preds = %entry
+	%nullcheck = icmp eq i32* %a_arg, null		; <i1> [#uses=1]
+	br i1 %nullcheck, label %unwind, label %recurse
+
+unwind:		; preds = %else
+	unwind
+
+recurse:		; preds = %else
+	%tmp7 = add i32 %start_arg, 1		; <i32> [#uses=1]
+	%first = load i32* %a_arg		; <i32> [#uses=1]
+	%tmp8 = call fastcc i32 @raise_load_4(i32* %a_arg, i32 %first, i32 %tmp7)		; <i32> [#uses=1]
+	%second = load i32* %a_arg		; <i32> [#uses=1]
+	%tmp10 = add i32 %second, %tmp8		; <i32> [#uses=1]
+	ret i32 %tmp10
+}