1 files changed, 64 insertions, 0 deletions
diff --git a/polly/test/DeadCodeElimination/computeout.ll b/polly/test/DeadCodeElimination/computeout.ll
new file mode 100644
index 00000000000..a908c4ed314
--- /dev/null
+++ b/polly/test/DeadCodeElimination/computeout.ll
@@ -0,0 +1,64 @@
+; RUN: opt -S %loadPolly -basicaa -polly-dce -polly-ast -analyze < %s | FileCheck %s
+; RUN: opt -S %loadPolly -basicaa -polly-dce -polly-ast -analyze -polly-dependences-computeout=1 < %s | FileCheck %s -check-prefix=TIMEOUT
+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"
+target triple = "x86_64-pc-linux-gnu"
+
+;     for(i = 0; i < 100; i++ )
+; S1:   A[i] = 2;
+;
+;     for (i = 0; i < 10; i++ )
+; S2:   A[i]  = 5;
+;
+;     for (i = 0; i < 200; i++ )
+; S3:   A[i] = 5;
+
+define void @sequential_writes() {
+entry:
+  %A = alloca [200 x i32]
+  br label %S1
+
+S1:
+  %indvar.1 = phi i64 [ 0, %entry ], [ %indvar.next.1, %S1 ]
+  %arrayidx.1 = getelementptr [200 x i32]* %A, i64 0, i64 %indvar.1
+  store i32 2, i32* %arrayidx.1
+  %indvar.next.1 = add i64 %indvar.1, 1
+  %exitcond.1 = icmp ne i64 %indvar.next.1, 100
+  br i1 %exitcond.1, label %S1, label %exit.1
+
+exit.1:
+  br label %S2
+
+S2:
+  %indvar.2 = phi i64 [ 0, %exit.1 ], [ %indvar.next.2, %S2 ]
+  %arrayidx.2 = getelementptr [200 x i32]* %A, i64 0, i64 %indvar.2
+  store i32 5, i32* %arrayidx.2
+  %indvar.next.2 = add i64 %indvar.2, 1
+  %exitcond.2 = icmp ne i64 %indvar.next.2, 10
+  br i1 %exitcond.2, label %S2, label %exit.2
+
+exit.2:
+  br label %S3
+
+S3:
+  %indvar.3 = phi i64 [ 0, %exit.2 ], [ %indvar.next.3, %S3 ]
+  %arrayidx.3 = getelementptr [200 x i32]* %A, i64 0, i64 %indvar.3
+  store i32 7, i32* %arrayidx.3
+  %indvar.next.3 = add i64 %indvar.3, 1
+  %exitcond.3 = icmp ne i64 %indvar.next.3, 200
+  br i1 %exitcond.3, label %S3 , label %exit.3
+
+exit.3:
+  ret void
+}
+
+; CHECK-NOT: Stmt_S
+; CHECK: for (int c1 = 0; c1 <= 199; c1 += 1)
+; CHECK: Stmt_S3(c1);
+
+; TIMEOUT: for (int c1 = 0; c1 <= 99; c1 += 1)
+; TIMEOUT: Stmt_S1(c1);
+; TIMEOUT: for (int c1 = 0; c1 <= 9; c1 += 1)
+; TIMEOUT: Stmt_S2(c1);
+; TIMEOUT: for (int c1 = 0; c1 <= 199; c1 += 1)
+; TIMEOUT: Stmt_S3(c1);
+