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| author | Shih-wei Liao <sliao@google.com> | 2010-02-10 11:10:31 -0800 |
|---|---|---|
| committer | Shih-wei Liao <sliao@google.com> | 2010-02-10 11:10:31 -0800 |
| commit | e264f62ca09a8f65c87a46d562a4d0f9ec5d457e (patch) | |
| tree | 59e3d57ef656cef79afa708ae0a3daf25cd91fcf /test/Transforms/IndVarSimplify/2003-09-23-NotAtTop.ll | |
| download | external_llvm-e264f62ca09a8f65c87a46d562a4d0f9ec5d457e.zip external_llvm-e264f62ca09a8f65c87a46d562a4d0f9ec5d457e.tar.gz external_llvm-e264f62ca09a8f65c87a46d562a4d0f9ec5d457e.tar.bz2 | |
Check in LLVM r95781.
Diffstat (limited to 'test/Transforms/IndVarSimplify/2003-09-23-NotAtTop.ll')
| -rw-r--r-- | test/Transforms/IndVarSimplify/2003-09-23-NotAtTop.ll | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/test/Transforms/IndVarSimplify/2003-09-23-NotAtTop.ll b/test/Transforms/IndVarSimplify/2003-09-23-NotAtTop.ll new file mode 100644 index 0000000..150ae70 --- /dev/null +++ b/test/Transforms/IndVarSimplify/2003-09-23-NotAtTop.ll @@ -0,0 +1,20 @@ +; RUN: opt -S -indvars %s | FileCheck %s + +; The indvar simplification code should ensure that the first PHI in the block +; is the canonical one! + +define i32 @test() { +; <label>:0 + br label %Loop + +Loop: ; preds = %Loop, %0 +; CHECK: Loop: +; CHECK-NEXT: Canonical + %NonIndvar = phi i32 [ 200, %0 ], [ %NonIndvarNext, %Loop ] ; <i32> [#uses=1] + %Canonical = phi i32 [ 0, %0 ], [ %CanonicalNext, %Loop ] ; <i32> [#uses=2] + store i32 %Canonical, i32* null + %NonIndvarNext = sdiv i32 %NonIndvar, 2 ; <i32> [#uses=1] + %CanonicalNext = add i32 %Canonical, 1 ; <i32> [#uses=1] + br label %Loop +} + |