diff options
| author | Nick Lewycky <nicholas@mxc.ca> | 2008-09-30 06:08:34 +0000 |
|---|---|---|
| committer | Nick Lewycky <nicholas@mxc.ca> | 2008-09-30 06:08:34 +0000 |
| commit | a06cf82a7b6cbfce77d4449f2c9933dc332adcf0 (patch) | |
| tree | 90daa2d6738f5c9a155887004f6bea02fe456576 /test/Transforms/InstCombine/2008-09-29-FoldingOr.ll | |
| parent | 5396c99baa8fe0c821b9157590d8e9cd498b15bc (diff) | |
| download | llvm-a06cf82a7b6cbfce77d4449f2c9933dc332adcf0.tar.gz llvm-a06cf82a7b6cbfce77d4449f2c9933dc332adcf0.tar.bz2 llvm-a06cf82a7b6cbfce77d4449f2c9933dc332adcf0.tar.xz | |
Fix misoptimization of: xor i1 (icmp eq (X, C1), icmp s[lg]t (X, C2))
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56834 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/Transforms/InstCombine/2008-09-29-FoldingOr.ll')
| -rw-r--r-- | test/Transforms/InstCombine/2008-09-29-FoldingOr.ll | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/test/Transforms/InstCombine/2008-09-29-FoldingOr.ll b/test/Transforms/InstCombine/2008-09-29-FoldingOr.ll new file mode 100644 index 0000000000..e7a8ca9b52 --- /dev/null +++ b/test/Transforms/InstCombine/2008-09-29-FoldingOr.ll @@ -0,0 +1,10 @@ +; RUN: llvm-as < %s | opt -instcombine | llvm-dis | grep {or i1} +; PR2844 + +define i32 @test(i32 %p_74) { + %A = icmp eq i32 %p_74, 0 ; <i1> [#uses=1] + %B = icmp slt i32 %p_74, -638208501 ; <i1> [#uses=1] + %or.cond = or i1 %A, %B ; <i1> [#uses=1] + %iftmp.10.0 = select i1 %or.cond, i32 0, i32 1 ; <i32> [#uses=1] + ret i32 %iftmp.10.0 +} |