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Diffstat (limited to 'test/Transforms/InstCombine/select.ll')
| -rw-r--r-- | test/Transforms/InstCombine/select.ll | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/test/Transforms/InstCombine/select.ll b/test/Transforms/InstCombine/select.ll index 120d158aa6..e9efa74e1a 100644 --- a/test/Transforms/InstCombine/select.ll +++ b/test/Transforms/InstCombine/select.ll @@ -223,6 +223,31 @@ define i32 @test15d(i32 %X) { ; CHECK: ret i32 %t1 } +;; (a & 128) ? 256 : 0 +define i32 @test15e(i32 %X) { + %t1 = and i32 %X, 128 + %t2 = icmp ne i32 %t1, 0 + %t3 = select i1 %t2, i32 256, i32 0 + ret i32 %t3 +; CHECK: @test15e +; CHECK: %t1 = shl i32 %X, 1 +; CHECK: and i32 %t1, 256 +; CHECK: ret i32 +} + +;; (a & 128) ? 0 : 256 +define i32 @test15f(i32 %X) { + %t1 = and i32 %X, 128 + %t2 = icmp ne i32 %t1, 0 + %t3 = select i1 %t2, i32 0, i32 256 + ret i32 %t3 +; CHECK: @test15f +; CHECK: %t1 = shl i32 %X, 1 +; CHECK: and i32 %t1, 256 +; CHECK: xor i32 %{{.*}}, 256 +; CHECK: ret i32 +} + define i32 @test16(i1 %C, i32* %P) { %P2 = select i1 %C, i32* %P, i32* null %V = load i32* %P2 |