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| author | Eli Friedman <eli.friedman@gmail.com> | 2008-06-13 21:17:49 +0000 |
|---|---|---|
| committer | Eli Friedman <eli.friedman@gmail.com> | 2008-06-13 21:17:49 +0000 |
| commit | ab39f9ab71286ba352e9685d6744e4a95f6ebf33 (patch) | |
| tree | 1af6ed860c44c884595e38f3e9cfed29224ad425 /test/Transforms | |
| parent | 2418becee47126d941d7c1d879df7de9ed20d550 (diff) | |
| download | external_llvm-ab39f9ab71286ba352e9685d6744e4a95f6ebf33.zip external_llvm-ab39f9ab71286ba352e9685d6744e4a95f6ebf33.tar.gz external_llvm-ab39f9ab71286ba352e9685d6744e4a95f6ebf33.tar.bz2 | |
Make sure SimplifyStoreAtEndOfBlock doesn't mess with loops; the
structure checks are incorrect if the blocks aren't distinct.
Fixes PR2435.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52257 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/Transforms')
| -rw-r--r-- | test/Transforms/InstCombine/2008-06-13-InfiniteLoopStore.ll | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/test/Transforms/InstCombine/2008-06-13-InfiniteLoopStore.ll b/test/Transforms/InstCombine/2008-06-13-InfiniteLoopStore.ll new file mode 100644 index 0000000..674042a --- /dev/null +++ b/test/Transforms/InstCombine/2008-06-13-InfiniteLoopStore.ll @@ -0,0 +1,22 @@ +; RUN: llvm-as < %s | opt -instcombine | llvm-dis | grep {store i32} | count 2 +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-darwin8" + +@g_139 = global i32 0 ; <i32*> [#uses=2] + +define void @func_56(i32 %p_60) nounwind { +entry: + store i32 1, i32* @g_139, align 4 + %tmp1 = icmp ne i32 %p_60, 0 ; <i1> [#uses=1] + %tmp12 = zext i1 %tmp1 to i8 ; <i8> [#uses=1] + %toBool = icmp ne i8 %tmp12, 0 ; <i1> [#uses=1] + br i1 %toBool, label %bb, label %return + +bb: ; preds = %bb, %entry + store i32 1, i32* @g_139, align 4 + br label %bb + +return: ; preds = %entry + ret void +} + |