diff options
Diffstat (limited to 'test/Transforms')
| -rw-r--r-- | test/Transforms/InstCombine/xor-demorgans.ll | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/test/Transforms/InstCombine/xor-demorgans.ll b/test/Transforms/InstCombine/xor-demorgans.ll new file mode 100644 index 0000000..763794b --- /dev/null +++ b/test/Transforms/InstCombine/xor-demorgans.ll @@ -0,0 +1,11 @@ +; RUN: llvm-as < %s | opt -instcombine | llvm-dis | not grep {= or} +; PR3266 + +define i1 @foo(i32 %x, i32 %y) nounwind { +.summary: + %0 = icmp sgt i32 %x, 4 ; <i1> [#uses=1] + %1 = icmp sgt i32 %y, 0 ; <i1> [#uses=1] + %.demorgan = or i1 %1, %0 ; <i1> [#uses=1] + %2 = xor i1 %.demorgan, true ; <i1> [#uses=1] + ret i1 %2 +} |