llvm-project/llvm/test/Transforms/InstCombine/xor-demorgans.ll

13 lines
400 B
LLVM

; RUN: llvm-as < %s | opt -instcombine | llvm-dis | not grep {= or}
; PR3266
; XFAIL: *
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
}