forked from OSchip/llvm-project
13 lines
360 B
LLVM
13 lines
360 B
LLVM
; RUN: opt < %s -instcombine -S | FileCheck %s
|
|
; PR12234
|
|
|
|
@g = extern_weak global i32
|
|
define i32 @function(i32 %x) nounwind {
|
|
entry:
|
|
%xor = xor i32 %x, 1
|
|
store volatile i32 %xor, i32* inttoptr (i64 1 to i32*), align 4
|
|
%or4 = or i32 or (i32 zext (i1 icmp eq (i32* @g, i32* null) to i32), i32 1), %xor
|
|
ret i32 %or4
|
|
}
|
|
; CHECK-LABEL: define i32 @function(
|