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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 | b33c297f14a6cc40604f2fef4f80891780a37141 (patch) | |
| tree | 2d3b95a8c9974862ea512336d6c36257b2a9c831 /llvm/test/Transforms | |
| parent | e7f329fa7a35798b50e1c103716ff09bc2b2c9dc (diff) | |
| download | bcm5719-llvm-b33c297f14a6cc40604f2fef4f80891780a37141.tar.gz bcm5719-llvm-b33c297f14a6cc40604f2fef4f80891780a37141.zip | |
Added InstCombine for "select cond, ~cond, x" type patterns
These can be reduced to "~cond & x" or "~cond | x"
llvm-svn: 146624
Diffstat (limited to 'llvm/test/Transforms')
| -rw-r--r-- | llvm/test/Transforms/InstCombine/select.ll | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/llvm/test/Transforms/InstCombine/select.ll b/llvm/test/Transforms/InstCombine/select.ll index 46615613eb9..4baae2618dd 100644 --- a/llvm/test/Transforms/InstCombine/select.ll +++ b/llvm/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 +} |
