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-rw-r--r--contrib/llvm/patches/patch-r275633-llvm-r223171-fix-vectorizer.diff468
1 files changed, 463 insertions, 5 deletions
diff --git a/contrib/llvm/patches/patch-r275633-llvm-r223171-fix-vectorizer.diff b/contrib/llvm/patches/patch-r275633-llvm-r223171-fix-vectorizer.diff
index f07d041..a0b4e1f 100644
--- a/contrib/llvm/patches/patch-r275633-llvm-r223171-fix-vectorizer.diff
+++ b/contrib/llvm/patches/patch-r275633-llvm-r223171-fix-vectorizer.diff
@@ -1,3 +1,11 @@
+Pull in r223170 from upstream llvm trunk (by Michael Zolotukhin):
+
+ Apply loop-rotate to several vectorizer tests.
+
+ Such loops shouldn't be vectorized due to the loops form.
+ After applying loop-rotate (+simplifycfg) the tests again start to check
+ what they are intended to check.
+
Pull in r223171 from upstream llvm trunk (by Michael Zolotukhin):
PR21302. Vectorize only bottom-tested loops.
@@ -16,8 +24,8 @@ Introduced here: http://svnweb.freebsd.org/changeset/base/275633
Index: lib/Transforms/Vectorize/LoopVectorize.cpp
===================================================================
---- lib/Transforms/Vectorize/LoopVectorize.cpp (revision 21)
-+++ lib/Transforms/Vectorize/LoopVectorize.cpp (revision 22)
+--- lib/Transforms/Vectorize/LoopVectorize.cpp
++++ lib/Transforms/Vectorize/LoopVectorize.cpp
@@ -2864,6 +2864,14 @@ bool LoopVectorizationLegality::canVectorize() {
if (!TheLoop->getExitingBlock())
return false;
@@ -35,11 +43,11 @@ Index: lib/Transforms/Vectorize/LoopVectorize.cpp
TheLoop->getHeader()->getName() << '\n');
Index: test/Transforms/LoopVectorize/loop-form.ll
===================================================================
---- test/Transforms/LoopVectorize/loop-form.ll (revision 0)
-+++ test/Transforms/LoopVectorize/loop-form.ll (revision 22)
+--- test/Transforms/LoopVectorize/loop-form.ll
++++ test/Transforms/LoopVectorize/loop-form.ll
@@ -0,0 +1,31 @@
+; RUN: opt -S -loop-vectorize < %s | FileCheck %s
-+target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128"
++target datalayout = "e-i64:64-f80:128-n8:16:32:64-S128"
+
+; Check that we vectorize only bottom-tested loops.
+; This is a reduced testcase from PR21302.
@@ -69,3 +77,453 @@ Index: test/Transforms/LoopVectorize/loop-form.ll
+if.end:
+ ret void
+}
+Index: test/Transforms/LoopVectorize/runtime-check-address-space.ll
+===================================================================
+--- test/Transforms/LoopVectorize/runtime-check-address-space.ll
++++ test/Transforms/LoopVectorize/runtime-check-address-space.ll
+@@ -31,25 +31,23 @@ define void @foo(i32 addrspace(1)* %a, i32 addrspa
+ ; CHECK: ret
+
+ entry:
+- br label %for.cond
++ %cmp1 = icmp slt i32 0, %n
++ br i1 %cmp1, label %for.body, label %for.end
+
+-for.cond: ; preds = %for.body, %entry
+- %i.0 = phi i32 [ 0, %entry ], [ %inc, %for.body ]
+- %cmp = icmp slt i32 %i.0, %n
+- br i1 %cmp, label %for.body, label %for.end
+-
+-for.body: ; preds = %for.cond
+- %idxprom = sext i32 %i.0 to i64
++for.body: ; preds = %entry, %for.body
++ %i.02 = phi i32 [ %inc, %for.body ], [ 0, %entry ]
++ %idxprom = sext i32 %i.02 to i64
+ %arrayidx = getelementptr inbounds i32 addrspace(1)* %b, i64 %idxprom
+ %0 = load i32 addrspace(1)* %arrayidx, align 4
+ %mul = mul nsw i32 %0, 3
+- %idxprom1 = sext i32 %i.0 to i64
++ %idxprom1 = sext i32 %i.02 to i64
+ %arrayidx2 = getelementptr inbounds i32 addrspace(1)* %a, i64 %idxprom1
+ store i32 %mul, i32 addrspace(1)* %arrayidx2, align 4
+- %inc = add nsw i32 %i.0, 1
+- br label %for.cond
++ %inc = add nsw i32 %i.02, 1
++ %cmp = icmp slt i32 %inc, %n
++ br i1 %cmp, label %for.body, label %for.end
+
+-for.end: ; preds = %for.cond
++for.end: ; preds = %for.body, %entry
+ ret void
+ }
+
+@@ -60,25 +58,23 @@ define void @bar0(i32* %a, i32 addrspace(1)* %b, i
+ ; CHECK: ret
+
+ entry:
+- br label %for.cond
++ %cmp1 = icmp slt i32 0, %n
++ br i1 %cmp1, label %for.body, label %for.end
+
+-for.cond: ; preds = %for.body, %entry
+- %i.0 = phi i32 [ 0, %entry ], [ %inc, %for.body ]
+- %cmp = icmp slt i32 %i.0, %n
+- br i1 %cmp, label %for.body, label %for.end
+-
+-for.body: ; preds = %for.cond
+- %idxprom = sext i32 %i.0 to i64
++for.body: ; preds = %entry, %for.body
++ %i.02 = phi i32 [ %inc, %for.body ], [ 0, %entry ]
++ %idxprom = sext i32 %i.02 to i64
+ %arrayidx = getelementptr inbounds i32 addrspace(1)* %b, i64 %idxprom
+ %0 = load i32 addrspace(1)* %arrayidx, align 4
+ %mul = mul nsw i32 %0, 3
+- %idxprom1 = sext i32 %i.0 to i64
++ %idxprom1 = sext i32 %i.02 to i64
+ %arrayidx2 = getelementptr inbounds i32* %a, i64 %idxprom1
+ store i32 %mul, i32* %arrayidx2, align 4
+- %inc = add nsw i32 %i.0, 1
+- br label %for.cond
++ %inc = add nsw i32 %i.02, 1
++ %cmp = icmp slt i32 %inc, %n
++ br i1 %cmp, label %for.body, label %for.end
+
+-for.end: ; preds = %for.cond
++for.end: ; preds = %for.body, %entry
+ ret void
+ }
+
+@@ -89,25 +85,23 @@ define void @bar1(i32 addrspace(1)* %a, i32* %b, i
+ ; CHECK: ret
+
+ entry:
+- br label %for.cond
++ %cmp1 = icmp slt i32 0, %n
++ br i1 %cmp1, label %for.body, label %for.end
+
+-for.cond: ; preds = %for.body, %entry
+- %i.0 = phi i32 [ 0, %entry ], [ %inc, %for.body ]
+- %cmp = icmp slt i32 %i.0, %n
+- br i1 %cmp, label %for.body, label %for.end
+-
+-for.body: ; preds = %for.cond
+- %idxprom = sext i32 %i.0 to i64
++for.body: ; preds = %entry, %for.body
++ %i.02 = phi i32 [ %inc, %for.body ], [ 0, %entry ]
++ %idxprom = sext i32 %i.02 to i64
+ %arrayidx = getelementptr inbounds i32* %b, i64 %idxprom
+ %0 = load i32* %arrayidx, align 4
+ %mul = mul nsw i32 %0, 3
+- %idxprom1 = sext i32 %i.0 to i64
++ %idxprom1 = sext i32 %i.02 to i64
+ %arrayidx2 = getelementptr inbounds i32 addrspace(1)* %a, i64 %idxprom1
+ store i32 %mul, i32 addrspace(1)* %arrayidx2, align 4
+- %inc = add nsw i32 %i.0, 1
+- br label %for.cond
++ %inc = add nsw i32 %i.02, 1
++ %cmp = icmp slt i32 %inc, %n
++ br i1 %cmp, label %for.body, label %for.end
+
+-for.end: ; preds = %for.cond
++for.end: ; preds = %for.body, %entry
+ ret void
+ }
+
+@@ -119,25 +113,23 @@ define void @bar2(i32* noalias %a, i32 addrspace(1
+ ; CHECK: ret
+
+ entry:
+- br label %for.cond
++ %cmp1 = icmp slt i32 0, %n
++ br i1 %cmp1, label %for.body, label %for.end
+
+-for.cond: ; preds = %for.body, %entry
+- %i.0 = phi i32 [ 0, %entry ], [ %inc, %for.body ]
+- %cmp = icmp slt i32 %i.0, %n
+- br i1 %cmp, label %for.body, label %for.end
+-
+-for.body: ; preds = %for.cond
+- %idxprom = sext i32 %i.0 to i64
++for.body: ; preds = %entry, %for.body
++ %i.02 = phi i32 [ %inc, %for.body ], [ 0, %entry ]
++ %idxprom = sext i32 %i.02 to i64
+ %arrayidx = getelementptr inbounds i32 addrspace(1)* %b, i64 %idxprom
+ %0 = load i32 addrspace(1)* %arrayidx, align 4
+ %mul = mul nsw i32 %0, 3
+- %idxprom1 = sext i32 %i.0 to i64
++ %idxprom1 = sext i32 %i.02 to i64
+ %arrayidx2 = getelementptr inbounds i32* %a, i64 %idxprom1
+ store i32 %mul, i32* %arrayidx2, align 4
+- %inc = add nsw i32 %i.0, 1
+- br label %for.cond
++ %inc = add nsw i32 %i.02, 1
++ %cmp = icmp slt i32 %inc, %n
++ br i1 %cmp, label %for.body, label %for.end
+
+-for.end: ; preds = %for.cond
++for.end: ; preds = %for.body, %entry
+ ret void
+ }
+
+@@ -149,25 +141,23 @@ define void @arst0(i32* %b, i32 %n) #0 {
+ ; CHECK: ret
+
+ entry:
+- br label %for.cond
++ %cmp1 = icmp slt i32 0, %n
++ br i1 %cmp1, label %for.body, label %for.end
+
+-for.cond: ; preds = %for.body, %entry
+- %i.0 = phi i32 [ 0, %entry ], [ %inc, %for.body ]
+- %cmp = icmp slt i32 %i.0, %n
+- br i1 %cmp, label %for.body, label %for.end
+-
+-for.body: ; preds = %for.cond
+- %idxprom = sext i32 %i.0 to i64
++for.body: ; preds = %entry, %for.body
++ %i.02 = phi i32 [ %inc, %for.body ], [ 0, %entry ]
++ %idxprom = sext i32 %i.02 to i64
+ %arrayidx = getelementptr inbounds i32* %b, i64 %idxprom
+ %0 = load i32* %arrayidx, align 4
+ %mul = mul nsw i32 %0, 3
+- %idxprom1 = sext i32 %i.0 to i64
++ %idxprom1 = sext i32 %i.02 to i64
+ %arrayidx2 = getelementptr inbounds [1024 x i32] addrspace(1)* @g_as1, i64 0, i64 %idxprom1
+ store i32 %mul, i32 addrspace(1)* %arrayidx2, align 4
+- %inc = add nsw i32 %i.0, 1
+- br label %for.cond
++ %inc = add nsw i32 %i.02, 1
++ %cmp = icmp slt i32 %inc, %n
++ br i1 %cmp, label %for.body, label %for.end
+
+-for.end: ; preds = %for.cond
++for.end: ; preds = %for.body, %entry
+ ret void
+ }
+
+@@ -180,25 +170,23 @@ define void @arst1(i32* %b, i32 %n) #0 {
+ ; CHECK: ret
+
+ entry:
+- br label %for.cond
++ %cmp1 = icmp slt i32 0, %n
++ br i1 %cmp1, label %for.body, label %for.end
+
+-for.cond: ; preds = %for.body, %entry
+- %i.0 = phi i32 [ 0, %entry ], [ %inc, %for.body ]
+- %cmp = icmp slt i32 %i.0, %n
+- br i1 %cmp, label %for.body, label %for.end
+-
+-for.body: ; preds = %for.cond
+- %idxprom = sext i32 %i.0 to i64
++for.body: ; preds = %entry, %for.body
++ %i.02 = phi i32 [ %inc, %for.body ], [ 0, %entry ]
++ %idxprom = sext i32 %i.02 to i64
+ %arrayidx = getelementptr inbounds [1024 x i32] addrspace(1)* @g_as1, i64 0, i64 %idxprom
+ %0 = load i32 addrspace(1)* %arrayidx, align 4
+ %mul = mul nsw i32 %0, 3
+- %idxprom1 = sext i32 %i.0 to i64
++ %idxprom1 = sext i32 %i.02 to i64
+ %arrayidx2 = getelementptr inbounds i32* %b, i64 %idxprom1
+ store i32 %mul, i32* %arrayidx2, align 4
+- %inc = add nsw i32 %i.0, 1
+- br label %for.cond
++ %inc = add nsw i32 %i.02, 1
++ %cmp = icmp slt i32 %inc, %n
++ br i1 %cmp, label %for.body, label %for.end
+
+-for.end: ; preds = %for.cond
++for.end: ; preds = %for.body, %entry
+ ret void
+ }
+
+@@ -210,25 +198,23 @@ define void @aoeu(i32 %n) #0 {
+ ; CHECK: ret
+
+ entry:
+- br label %for.cond
++ %cmp1 = icmp slt i32 0, %n
++ br i1 %cmp1, label %for.body, label %for.end
+
+-for.cond: ; preds = %for.body, %entry
+- %i.0 = phi i32 [ 0, %entry ], [ %inc, %for.body ]
+- %cmp = icmp slt i32 %i.0, %n
+- br i1 %cmp, label %for.body, label %for.end
+-
+-for.body: ; preds = %for.cond
+- %idxprom = sext i32 %i.0 to i64
++for.body: ; preds = %entry, %for.body
++ %i.02 = phi i32 [ %inc, %for.body ], [ 0, %entry ]
++ %idxprom = sext i32 %i.02 to i64
+ %arrayidx = getelementptr inbounds [1024 x i32] addrspace(2)* @q_as2, i64 0, i64 %idxprom
+ %0 = load i32 addrspace(2)* %arrayidx, align 4
+ %mul = mul nsw i32 %0, 3
+- %idxprom1 = sext i32 %i.0 to i64
++ %idxprom1 = sext i32 %i.02 to i64
+ %arrayidx2 = getelementptr inbounds [1024 x i32] addrspace(1)* @g_as1, i64 0, i64 %idxprom1
+ store i32 %mul, i32 addrspace(1)* %arrayidx2, align 4
+- %inc = add nsw i32 %i.0, 1
+- br label %for.cond
++ %inc = add nsw i32 %i.02, 1
++ %cmp = icmp slt i32 %inc, %n
++ br i1 %cmp, label %for.body, label %for.end
+
+-for.end: ; preds = %for.cond
++for.end: ; preds = %for.body, %entry
+ ret void
+ }
+
+Index: test/Transforms/LoopVectorize/runtime-check-readonly-address-space.ll
+===================================================================
+--- test/Transforms/LoopVectorize/runtime-check-readonly-address-space.ll
++++ test/Transforms/LoopVectorize/runtime-check-readonly-address-space.ll
+@@ -8,26 +8,24 @@ define void @add_ints_1_1_1(i32 addrspace(1)* %a,
+ ; CHECK-LABEL: @add_ints_1_1_1(
+ ; CHECK: <4 x i32>
+ ; CHECK: ret
++
+ entry:
+- br label %for.cond
++ br label %for.body
+
+-for.cond: ; preds = %for.body, %entry
+- %i.0 = phi i64 [ 0, %entry ], [ %inc, %for.body ]
+- %cmp = icmp ult i64 %i.0, 200
+- br i1 %cmp, label %for.body, label %for.end
+-
+-for.body: ; preds = %for.cond
+- %arrayidx = getelementptr inbounds i32 addrspace(1)* %b, i64 %i.0
++for.body: ; preds = %entry, %for.body
++ %i.01 = phi i64 [ 0, %entry ], [ %inc, %for.body ]
++ %arrayidx = getelementptr inbounds i32 addrspace(1)* %b, i64 %i.01
+ %0 = load i32 addrspace(1)* %arrayidx, align 4
+- %arrayidx1 = getelementptr inbounds i32 addrspace(1)* %c, i64 %i.0
++ %arrayidx1 = getelementptr inbounds i32 addrspace(1)* %c, i64 %i.01
+ %1 = load i32 addrspace(1)* %arrayidx1, align 4
+ %add = add nsw i32 %0, %1
+- %arrayidx2 = getelementptr inbounds i32 addrspace(1)* %a, i64 %i.0
++ %arrayidx2 = getelementptr inbounds i32 addrspace(1)* %a, i64 %i.01
+ store i32 %add, i32 addrspace(1)* %arrayidx2, align 4
+- %inc = add i64 %i.0, 1
+- br label %for.cond
++ %inc = add i64 %i.01, 1
++ %cmp = icmp ult i64 %inc, 200
++ br i1 %cmp, label %for.body, label %for.end
+
+-for.end: ; preds = %for.cond
++for.end: ; preds = %for.body
+ ret void
+ }
+
+@@ -35,26 +33,24 @@ define void @add_ints_as_1_0_0(i32 addrspace(1)* %
+ ; CHECK-LABEL: @add_ints_as_1_0_0(
+ ; CHECK-NOT: <4 x i32>
+ ; CHECK: ret
++
+ entry:
+- br label %for.cond
++ br label %for.body
+
+-for.cond: ; preds = %for.body, %entry
+- %i.0 = phi i64 [ 0, %entry ], [ %inc, %for.body ]
+- %cmp = icmp ult i64 %i.0, 200
+- br i1 %cmp, label %for.body, label %for.end
+-
+-for.body: ; preds = %for.cond
+- %arrayidx = getelementptr inbounds i32* %b, i64 %i.0
++for.body: ; preds = %entry, %for.body
++ %i.01 = phi i64 [ 0, %entry ], [ %inc, %for.body ]
++ %arrayidx = getelementptr inbounds i32* %b, i64 %i.01
+ %0 = load i32* %arrayidx, align 4
+- %arrayidx1 = getelementptr inbounds i32* %c, i64 %i.0
++ %arrayidx1 = getelementptr inbounds i32* %c, i64 %i.01
+ %1 = load i32* %arrayidx1, align 4
+ %add = add nsw i32 %0, %1
+- %arrayidx2 = getelementptr inbounds i32 addrspace(1)* %a, i64 %i.0
++ %arrayidx2 = getelementptr inbounds i32 addrspace(1)* %a, i64 %i.01
+ store i32 %add, i32 addrspace(1)* %arrayidx2, align 4
+- %inc = add i64 %i.0, 1
+- br label %for.cond
++ %inc = add i64 %i.01, 1
++ %cmp = icmp ult i64 %inc, 200
++ br i1 %cmp, label %for.body, label %for.end
+
+-for.end: ; preds = %for.cond
++for.end: ; preds = %for.body
+ ret void
+ }
+
+@@ -62,26 +58,24 @@ define void @add_ints_as_0_1_0(i32* %a, i32 addrsp
+ ; CHECK-LABEL: @add_ints_as_0_1_0(
+ ; CHECK-NOT: <4 x i32>
+ ; CHECK: ret
++
+ entry:
+- br label %for.cond
++ br label %for.body
+
+-for.cond: ; preds = %for.body, %entry
+- %i.0 = phi i64 [ 0, %entry ], [ %inc, %for.body ]
+- %cmp = icmp ult i64 %i.0, 200
+- br i1 %cmp, label %for.body, label %for.end
+-
+-for.body: ; preds = %for.cond
+- %arrayidx = getelementptr inbounds i32 addrspace(1)* %b, i64 %i.0
++for.body: ; preds = %entry, %for.body
++ %i.01 = phi i64 [ 0, %entry ], [ %inc, %for.body ]
++ %arrayidx = getelementptr inbounds i32 addrspace(1)* %b, i64 %i.01
+ %0 = load i32 addrspace(1)* %arrayidx, align 4
+- %arrayidx1 = getelementptr inbounds i32* %c, i64 %i.0
++ %arrayidx1 = getelementptr inbounds i32* %c, i64 %i.01
+ %1 = load i32* %arrayidx1, align 4
+ %add = add nsw i32 %0, %1
+- %arrayidx2 = getelementptr inbounds i32* %a, i64 %i.0
++ %arrayidx2 = getelementptr inbounds i32* %a, i64 %i.01
+ store i32 %add, i32* %arrayidx2, align 4
+- %inc = add i64 %i.0, 1
+- br label %for.cond
++ %inc = add i64 %i.01, 1
++ %cmp = icmp ult i64 %inc, 200
++ br i1 %cmp, label %for.body, label %for.end
+
+-for.end: ; preds = %for.cond
++for.end: ; preds = %for.body
+ ret void
+ }
+
+@@ -89,26 +83,24 @@ define void @add_ints_as_0_1_1(i32* %a, i32 addrsp
+ ; CHECK-LABEL: @add_ints_as_0_1_1(
+ ; CHECK-NOT: <4 x i32>
+ ; CHECK: ret
++
+ entry:
+- br label %for.cond
++ br label %for.body
+
+-for.cond: ; preds = %for.body, %entry
+- %i.0 = phi i64 [ 0, %entry ], [ %inc, %for.body ]
+- %cmp = icmp ult i64 %i.0, 200
+- br i1 %cmp, label %for.body, label %for.end
+-
+-for.body: ; preds = %for.cond
+- %arrayidx = getelementptr inbounds i32 addrspace(1)* %b, i64 %i.0
++for.body: ; preds = %entry, %for.body
++ %i.01 = phi i64 [ 0, %entry ], [ %inc, %for.body ]
++ %arrayidx = getelementptr inbounds i32 addrspace(1)* %b, i64 %i.01
+ %0 = load i32 addrspace(1)* %arrayidx, align 4
+- %arrayidx1 = getelementptr inbounds i32 addrspace(1)* %c, i64 %i.0
++ %arrayidx1 = getelementptr inbounds i32 addrspace(1)* %c, i64 %i.01
+ %1 = load i32 addrspace(1)* %arrayidx1, align 4
+ %add = add nsw i32 %0, %1
+- %arrayidx2 = getelementptr inbounds i32* %a, i64 %i.0
++ %arrayidx2 = getelementptr inbounds i32* %a, i64 %i.01
+ store i32 %add, i32* %arrayidx2, align 4
+- %inc = add i64 %i.0, 1
+- br label %for.cond
++ %inc = add i64 %i.01, 1
++ %cmp = icmp ult i64 %inc, 200
++ br i1 %cmp, label %for.body, label %for.end
+
+-for.end: ; preds = %for.cond
++for.end: ; preds = %for.body
+ ret void
+ }
+
+@@ -116,26 +108,24 @@ define void @add_ints_as_0_1_2(i32* %a, i32 addrsp
+ ; CHECK-LABEL: @add_ints_as_0_1_2(
+ ; CHECK-NOT: <4 x i32>
+ ; CHECK: ret
++
+ entry:
+- br label %for.cond
++ br label %for.body
+
+-for.cond: ; preds = %for.body, %entry
+- %i.0 = phi i64 [ 0, %entry ], [ %inc, %for.body ]
+- %cmp = icmp ult i64 %i.0, 200
+- br i1 %cmp, label %for.body, label %for.end
+-
+-for.body: ; preds = %for.cond
+- %arrayidx = getelementptr inbounds i32 addrspace(1)* %b, i64 %i.0
++for.body: ; preds = %entry, %for.body
++ %i.01 = phi i64 [ 0, %entry ], [ %inc, %for.body ]
++ %arrayidx = getelementptr inbounds i32 addrspace(1)* %b, i64 %i.01
+ %0 = load i32 addrspace(1)* %arrayidx, align 4
+- %arrayidx1 = getelementptr inbounds i32 addrspace(2)* %c, i64 %i.0
++ %arrayidx1 = getelementptr inbounds i32 addrspace(2)* %c, i64 %i.01
+ %1 = load i32 addrspace(2)* %arrayidx1, align 4
+ %add = add nsw i32 %0, %1
+- %arrayidx2 = getelementptr inbounds i32* %a, i64 %i.0
++ %arrayidx2 = getelementptr inbounds i32* %a, i64 %i.01
+ store i32 %add, i32* %arrayidx2, align 4
+- %inc = add i64 %i.0, 1
+- br label %for.cond
++ %inc = add i64 %i.01, 1
++ %cmp = icmp ult i64 %inc, 200
++ br i1 %cmp, label %for.body, label %for.end
+
+-for.end: ; preds = %for.cond
++for.end: ; preds = %for.body
+ ret void
+ }
+
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