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| author | Chris Lattner <sabre@nondot.org> | 2008-05-09 05:19:28 +0000 |
|---|---|---|
| committer | Chris Lattner <sabre@nondot.org> | 2008-05-09 05:19:28 +0000 |
| commit | aaba10e8435b26d71b27a03b4e2efeb86c153891 (patch) | |
| tree | 7077de93e013b1de74fba9cb952b20a750b77d18 /llvm/test/Transforms/InstCombine/sub.ll | |
| parent | e7f0afe1680166832cdafdcabd001ac7864e81ba (diff) | |
| download | bcm5719-llvm-aaba10e8435b26d71b27a03b4e2efeb86c153891.tar.gz bcm5719-llvm-aaba10e8435b26d71b27a03b4e2efeb86c153891.zip | |
Implement PR2298. This transforms:
~x < ~y --> y < x
-x == -y --> x == y
llvm-svn: 50882
Diffstat (limited to 'llvm/test/Transforms/InstCombine/sub.ll')
| -rw-r--r-- | llvm/test/Transforms/InstCombine/sub.ll | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/llvm/test/Transforms/InstCombine/sub.ll b/llvm/test/Transforms/InstCombine/sub.ll index 9ee8b068450..da6d710f6bc 100644 --- a/llvm/test/Transforms/InstCombine/sub.ll +++ b/llvm/test/Transforms/InstCombine/sub.ll @@ -134,3 +134,13 @@ define i1 @test21(i32 %g, i32 %h) { %tmp.4 = icmp ne i32 %tmp.2, %g ; <i1> [#uses=1] ret i1 %tmp.4 } + +; PR2298 +define i8 @test22(i32 %a, i32 %b) zeroext nounwind { + %tmp2 = sub i32 0, %a ; <i32> [#uses=1] + %tmp4 = sub i32 0, %b ; <i32> [#uses=1] + %tmp5 = icmp eq i32 %tmp2, %tmp4 ; <i1> [#uses=1] + %retval89 = zext i1 %tmp5 to i8 ; <i8> [#uses=1] + ret i8 %retval89 +} + |
