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| author | Pete Cooper <peter_cooper@apple.com> | 2011-12-15 00:56:45 +0000 |
|---|---|---|
| committer | Pete Cooper <peter_cooper@apple.com> | 2011-12-15 00:56:45 +0000 |
| commit | 4e5a1ab10b62b7ca842afd0e99ac982153f217fb (patch) | |
| tree | 6d1ec10d4f0722223378a44a48bf330829337f42 /test/Transforms/InstCombine/select.ll | |
| parent | 4e0adfa7f7fa5617a7a06028cdad0e4a50cac22a (diff) | |
| download | llvm-4e5a1ab10b62b7ca842afd0e99ac982153f217fb.tar.gz llvm-4e5a1ab10b62b7ca842afd0e99ac982153f217fb.tar.bz2 llvm-4e5a1ab10b62b7ca842afd0e99ac982153f217fb.tar.xz | |
Added InstCombine for "select cond, ~cond, x" type patterns
These can be reduced to "~cond & x" or "~cond | x"
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146624 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/Transforms/InstCombine/select.ll')
| -rw-r--r-- | test/Transforms/InstCombine/select.ll | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/test/Transforms/InstCombine/select.ll b/test/Transforms/InstCombine/select.ll index 46615613eb..4baae2618d 100644 --- a/test/Transforms/InstCombine/select.ll +++ b/test/Transforms/InstCombine/select.ll @@ -809,3 +809,23 @@ define i32 @test61(i32* %ptr) { ; CHECK: @test61 ; CHECK: ret i32 10 } + +define i1 @test62(i1 %A, i1 %B) { + %not = xor i1 %A, true + %C = select i1 %A, i1 %not, i1 %B + ret i1 %C +; CHECK: @test62 +; CHECK: %not = xor i1 %A, true +; CHECK: %C = and i1 %not, %B +; CHECK: ret i1 %C +} + +define i1 @test63(i1 %A, i1 %B) { + %not = xor i1 %A, true + %C = select i1 %A, i1 %B, i1 %not + ret i1 %C +; CHECK: @test63 +; CHECK: %not = xor i1 %A, true +; CHECK: %C = or i1 %B, %not +; CHECK: ret i1 %C +} |