diff options
Diffstat (limited to 'test/Transforms/InstCombine/2008-08-17-ICmpXorSignbit.ll')
| -rw-r--r-- | test/Transforms/InstCombine/2008-08-17-ICmpXorSignbit.ll | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/test/Transforms/InstCombine/2008-08-17-ICmpXorSignbit.ll b/test/Transforms/InstCombine/2008-08-17-ICmpXorSignbit.ll new file mode 100644 index 0000000000..68ed3276e8 --- /dev/null +++ b/test/Transforms/InstCombine/2008-08-17-ICmpXorSignbit.ll @@ -0,0 +1,22 @@ +; RUN: llvm-as < %s | opt -instcombine | llvm-dis | grep -v xor + +define i1 @test1(i8 %x, i8 %y) { + %X = xor i8 %x, 128 + %Y = xor i8 %y, 128 + %tmp = icmp slt i8 %X, %Y + ret i1 %tmp +} + +define i1 @test2(i8 %x, i8 %y) { + %X = xor i8 %x, 128 + %Y = xor i8 %y, 128 + %tmp = icmp ult i8 %X, %Y + ret i1 %tmp +} + +define i1 @test3(i8 %x) { + %X = xor i8 %x, 128 + %tmp = icmp uge i8 %X, 15 + ret i1 %tmp +} + |