1 files changed, 267 insertions, 0 deletions
diff --git a/test/Analysis/DependenceAnalysis/Separability.ll b/test/Analysis/DependenceAnalysis/Separability.ll
new file mode 100644
index 0000000..d42d3cd
--- /dev/null
+++ b/test/Analysis/DependenceAnalysis/Separability.ll
@@ -0,0 +1,267 @@
+; RUN: opt < %s -analyze -basicaa -da | FileCheck %s
+
+; ModuleID = 'Separability.bc'
+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-n8:16:32:64-S128"
+target triple = "x86_64-apple-macosx10.6.0"
+
+
+;;  for (long int i = 0; i < 50; i++)
+;;    for (long int j = 0; j < 50; j++)
+;;      for (long int k = 0; k < 50; k++)
+;;        for (long int l = 0; l < 50; l++)
+;;          A[n][i][j + k] = ...
+;;          ... = A[10][i + 10][2*j - l];
+
+define void @sep0([100 x [100 x i32]]* %A, i32* %B, i32 %n) nounwind uwtable ssp {
+entry:
+  br label %for.cond1.preheader
+
+for.cond1.preheader:                              ; preds = %for.inc22, %entry
+  %B.addr.08 = phi i32* [ %B, %entry ], [ %incdec.ptr, %for.inc22 ]
+  %i.07 = phi i64 [ 0, %entry ], [ %inc23, %for.inc22 ]
+  br label %for.cond4.preheader
+
+for.cond4.preheader:                              ; preds = %for.inc19, %for.cond1.preheader
+  %B.addr.16 = phi i32* [ %B.addr.08, %for.cond1.preheader ], [ %incdec.ptr, %for.inc19 ]
+  %j.05 = phi i64 [ 0, %for.cond1.preheader ], [ %inc20, %for.inc19 ]
+  br label %for.cond7.preheader
+
+for.cond7.preheader:                              ; preds = %for.inc16, %for.cond4.preheader
+  %B.addr.24 = phi i32* [ %B.addr.16, %for.cond4.preheader ], [ %incdec.ptr, %for.inc16 ]
+  %k.03 = phi i64 [ 0, %for.cond4.preheader ], [ %inc17, %for.inc16 ]
+  br label %for.body9
+
+for.body9:                                        ; preds = %for.body9, %for.cond7.preheader
+  %l.02 = phi i64 [ 0, %for.cond7.preheader ], [ %inc, %for.body9 ]
+  %B.addr.31 = phi i32* [ %B.addr.24, %for.cond7.preheader ], [ %incdec.ptr, %for.body9 ]
+  %conv = trunc i64 %i.07 to i32
+  %add = add nsw i64 %j.05, %k.03
+  %idxprom = sext i32 %n to i64
+  %arrayidx11 = getelementptr inbounds [100 x [100 x i32]]* %A, i64 %idxprom, i64 %i.07, i64 %add
+  store i32 %conv, i32* %arrayidx11, align 4
+  %mul = shl nsw i64 %j.05, 1
+  %sub = sub nsw i64 %mul, %l.02
+  %add12 = add nsw i64 %i.07, 10
+  %arrayidx15 = getelementptr inbounds [100 x [100 x i32]]* %A, i64 10, i64 %add12, i64 %sub
+  %0 = load i32* %arrayidx15, align 4
+; CHECK: da analyze - flow [-10 * * *]!
+  %incdec.ptr = getelementptr inbounds i32* %B.addr.31, i64 1
+  store i32 %0, i32* %B.addr.31, align 4
+  %inc = add nsw i64 %l.02, 1
+  %cmp8 = icmp slt i64 %inc, 50
+  br i1 %cmp8, label %for.body9, label %for.inc16
+
+for.inc16:                                        ; preds = %for.body9
+  %inc17 = add nsw i64 %k.03, 1
+  %cmp5 = icmp slt i64 %inc17, 50
+  br i1 %cmp5, label %for.cond7.preheader, label %for.inc19
+
+for.inc19:                                        ; preds = %for.inc16
+  %inc20 = add nsw i64 %j.05, 1
+  %cmp2 = icmp slt i64 %inc20, 50
+  br i1 %cmp2, label %for.cond4.preheader, label %for.inc22
+
+for.inc22:                                        ; preds = %for.inc19
+  %inc23 = add nsw i64 %i.07, 1
+  %cmp = icmp slt i64 %inc23, 50
+  br i1 %cmp, label %for.cond1.preheader, label %for.end24
+
+for.end24:                                        ; preds = %for.inc22
+  ret void
+}
+
+
+;;  for (long int i = 0; i < 50; i++)
+;;    for (long int j = 0; j < 50; j++)
+;;      for (long int k = 0; k < 50; k++)
+;;        for (long int l = 0; l < 50; l++)
+;;          A[i][i][j + k] = ...
+;;          ... = A[10][i + 10][2*j - l];
+
+define void @sep1([100 x [100 x i32]]* %A, i32* %B, i32 %n) nounwind uwtable ssp {
+entry:
+  br label %for.cond1.preheader
+
+for.cond1.preheader:                              ; preds = %for.inc22, %entry
+  %B.addr.08 = phi i32* [ %B, %entry ], [ %incdec.ptr, %for.inc22 ]
+  %i.07 = phi i64 [ 0, %entry ], [ %inc23, %for.inc22 ]
+  br label %for.cond4.preheader
+
+for.cond4.preheader:                              ; preds = %for.inc19, %for.cond1.preheader
+  %B.addr.16 = phi i32* [ %B.addr.08, %for.cond1.preheader ], [ %incdec.ptr, %for.inc19 ]
+  %j.05 = phi i64 [ 0, %for.cond1.preheader ], [ %inc20, %for.inc19 ]
+  br label %for.cond7.preheader
+
+for.cond7.preheader:                              ; preds = %for.inc16, %for.cond4.preheader
+  %B.addr.24 = phi i32* [ %B.addr.16, %for.cond4.preheader ], [ %incdec.ptr, %for.inc16 ]
+  %k.03 = phi i64 [ 0, %for.cond4.preheader ], [ %inc17, %for.inc16 ]
+  br label %for.body9
+
+for.body9:                                        ; preds = %for.body9, %for.cond7.preheader
+  %l.02 = phi i64 [ 0, %for.cond7.preheader ], [ %inc, %for.body9 ]
+  %B.addr.31 = phi i32* [ %B.addr.24, %for.cond7.preheader ], [ %incdec.ptr, %for.body9 ]
+  %conv = trunc i64 %i.07 to i32
+  %add = add nsw i64 %j.05, %k.03
+  %arrayidx11 = getelementptr inbounds [100 x [100 x i32]]* %A, i64 %i.07, i64 %i.07, i64 %add
+  store i32 %conv, i32* %arrayidx11, align 4
+  %mul = shl nsw i64 %j.05, 1
+  %sub = sub nsw i64 %mul, %l.02
+  %add12 = add nsw i64 %i.07, 10
+  %arrayidx15 = getelementptr inbounds [100 x [100 x i32]]* %A, i64 10, i64 %add12, i64 %sub
+  %0 = load i32* %arrayidx15, align 4
+; CHECK: da analyze - flow [> * * *]!
+  %incdec.ptr = getelementptr inbounds i32* %B.addr.31, i64 1
+  store i32 %0, i32* %B.addr.31, align 4
+  %inc = add nsw i64 %l.02, 1
+  %cmp8 = icmp slt i64 %inc, 50
+  br i1 %cmp8, label %for.body9, label %for.inc16
+
+for.inc16:                                        ; preds = %for.body9
+  %inc17 = add nsw i64 %k.03, 1
+  %cmp5 = icmp slt i64 %inc17, 50
+  br i1 %cmp5, label %for.cond7.preheader, label %for.inc19
+
+for.inc19:                                        ; preds = %for.inc16
+  %inc20 = add nsw i64 %j.05, 1
+  %cmp2 = icmp slt i64 %inc20, 50
+  br i1 %cmp2, label %for.cond4.preheader, label %for.inc22
+
+for.inc22:                                        ; preds = %for.inc19
+  %inc23 = add nsw i64 %i.07, 1
+  %cmp = icmp slt i64 %inc23, 50
+  br i1 %cmp, label %for.cond1.preheader, label %for.end24
+
+for.end24:                                        ; preds = %for.inc22
+  ret void
+}
+
+
+;;  for (long int i = 0; i < 50; i++)
+;;    for (long int j = 0; j < 50; j++)
+;;      for (long int k = 0; k < 50; k++)
+;;        for (long int l = 0; l < 50; l++)
+;;          A[i][i][i + k][l] = ...
+;;          ... = A[10][i + 10][j + k][l + 10];
+
+define void @sep2([100 x [100 x [100 x i32]]]* %A, i32* %B, i32 %n) nounwind uwtable ssp {
+entry:
+  br label %for.cond1.preheader
+
+for.cond1.preheader:                              ; preds = %for.inc26, %entry
+  %B.addr.08 = phi i32* [ %B, %entry ], [ %incdec.ptr, %for.inc26 ]
+  %i.07 = phi i64 [ 0, %entry ], [ %inc27, %for.inc26 ]
+  br label %for.cond4.preheader
+
+for.cond4.preheader:                              ; preds = %for.inc23, %for.cond1.preheader
+  %B.addr.16 = phi i32* [ %B.addr.08, %for.cond1.preheader ], [ %incdec.ptr, %for.inc23 ]
+  %j.05 = phi i64 [ 0, %for.cond1.preheader ], [ %inc24, %for.inc23 ]
+  br label %for.cond7.preheader
+
+for.cond7.preheader:                              ; preds = %for.inc20, %for.cond4.preheader
+  %B.addr.24 = phi i32* [ %B.addr.16, %for.cond4.preheader ], [ %incdec.ptr, %for.inc20 ]
+  %k.03 = phi i64 [ 0, %for.cond4.preheader ], [ %inc21, %for.inc20 ]
+  br label %for.body9
+
+for.body9:                                        ; preds = %for.body9, %for.cond7.preheader
+  %l.02 = phi i64 [ 0, %for.cond7.preheader ], [ %inc, %for.body9 ]
+  %B.addr.31 = phi i32* [ %B.addr.24, %for.cond7.preheader ], [ %incdec.ptr, %for.body9 ]
+  %conv = trunc i64 %i.07 to i32
+  %add = add nsw i64 %i.07, %k.03
+  %arrayidx12 = getelementptr inbounds [100 x [100 x [100 x i32]]]* %A, i64 %i.07, i64 %i.07, i64 %add, i64 %l.02
+  store i32 %conv, i32* %arrayidx12, align 4
+  %add13 = add nsw i64 %l.02, 10
+  %add14 = add nsw i64 %j.05, %k.03
+  %add15 = add nsw i64 %i.07, 10
+  %arrayidx19 = getelementptr inbounds [100 x [100 x [100 x i32]]]* %A, i64 10, i64 %add15, i64 %add14, i64 %add13
+  %0 = load i32* %arrayidx19, align 4
+; CHECK: da analyze - flow [> * * -10]!
+  %incdec.ptr = getelementptr inbounds i32* %B.addr.31, i64 1
+  store i32 %0, i32* %B.addr.31, align 4
+  %inc = add nsw i64 %l.02, 1
+  %cmp8 = icmp slt i64 %inc, 50
+  br i1 %cmp8, label %for.body9, label %for.inc20
+
+for.inc20:                                        ; preds = %for.body9
+  %inc21 = add nsw i64 %k.03, 1
+  %cmp5 = icmp slt i64 %inc21, 50
+  br i1 %cmp5, label %for.cond7.preheader, label %for.inc23
+
+for.inc23:                                        ; preds = %for.inc20
+  %inc24 = add nsw i64 %j.05, 1
+  %cmp2 = icmp slt i64 %inc24, 50
+  br i1 %cmp2, label %for.cond4.preheader, label %for.inc26
+
+for.inc26:                                        ; preds = %for.inc23
+  %inc27 = add nsw i64 %i.07, 1
+  %cmp = icmp slt i64 %inc27, 50
+  br i1 %cmp, label %for.cond1.preheader, label %for.end28
+
+for.end28:                                        ; preds = %for.inc26
+  ret void
+}
+
+
+;;  for (long int i = 0; i < 50; i++)
+;;    for (long int j = 0; j < 50; j++)
+;;      for (long int k = 0; k < 50; k++)
+;;        for (long int l = 0; l < 50; l++)
+;;          A[i][i][i + k][l + k] = ...
+;;          ... = A[10][i + 10][j + k][l + 10];
+
+define void @sep3([100 x [100 x [100 x i32]]]* %A, i32* %B, i32 %n) nounwind uwtable ssp {
+entry:
+  br label %for.cond1.preheader
+
+for.cond1.preheader:                              ; preds = %for.inc27, %entry
+  %B.addr.08 = phi i32* [ %B, %entry ], [ %incdec.ptr, %for.inc27 ]
+  %i.07 = phi i64 [ 0, %entry ], [ %inc28, %for.inc27 ]
+  br label %for.cond4.preheader
+
+for.cond4.preheader:                              ; preds = %for.inc24, %for.cond1.preheader
+  %B.addr.16 = phi i32* [ %B.addr.08, %for.cond1.preheader ], [ %incdec.ptr, %for.inc24 ]
+  %j.05 = phi i64 [ 0, %for.cond1.preheader ], [ %inc25, %for.inc24 ]
+  br label %for.cond7.preheader
+
+for.cond7.preheader:                              ; preds = %for.inc21, %for.cond4.preheader
+  %B.addr.24 = phi i32* [ %B.addr.16, %for.cond4.preheader ], [ %incdec.ptr, %for.inc21 ]
+  %k.03 = phi i64 [ 0, %for.cond4.preheader ], [ %inc22, %for.inc21 ]
+  br label %for.body9
+
+for.body9:                                        ; preds = %for.body9, %for.cond7.preheader
+  %l.02 = phi i64 [ 0, %for.cond7.preheader ], [ %inc, %for.body9 ]
+  %B.addr.31 = phi i32* [ %B.addr.24, %for.cond7.preheader ], [ %incdec.ptr, %for.body9 ]
+  %conv = trunc i64 %i.07 to i32
+  %add = add nsw i64 %l.02, %k.03
+  %add10 = add nsw i64 %i.07, %k.03
+  %arrayidx13 = getelementptr inbounds [100 x [100 x [100 x i32]]]* %A, i64 %i.07, i64 %i.07, i64 %add10, i64 %add
+  store i32 %conv, i32* %arrayidx13, align 4
+  %add14 = add nsw i64 %l.02, 10
+  %add15 = add nsw i64 %j.05, %k.03
+  %add16 = add nsw i64 %i.07, 10
+  %arrayidx20 = getelementptr inbounds [100 x [100 x [100 x i32]]]* %A, i64 10, i64 %add16, i64 %add15, i64 %add14
+  %0 = load i32* %arrayidx20, align 4
+; CHECK: da analyze - flow [> * * *]!
+  %incdec.ptr = getelementptr inbounds i32* %B.addr.31, i64 1
+  store i32 %0, i32* %B.addr.31, align 4
+  %inc = add nsw i64 %l.02, 1
+  %cmp8 = icmp slt i64 %inc, 50
+  br i1 %cmp8, label %for.body9, label %for.inc21
+
+for.inc21:                                        ; preds = %for.body9
+  %inc22 = add nsw i64 %k.03, 1
+  %cmp5 = icmp slt i64 %inc22, 50
+  br i1 %cmp5, label %for.cond7.preheader, label %for.inc24
+
+for.inc24:                                        ; preds = %for.inc21
+  %inc25 = add nsw i64 %j.05, 1
+  %cmp2 = icmp slt i64 %inc25, 50
+  br i1 %cmp2, label %for.cond4.preheader, label %for.inc27
+
+for.inc27:                                        ; preds = %for.inc24
+  %inc28 = add nsw i64 %i.07, 1
+  %cmp = icmp slt i64 %inc28, 50
+  br i1 %cmp, label %for.cond1.preheader, label %for.end29
+
+for.end29:                                        ; preds = %for.inc27
+  ret void
+}