; NOTE: Assertions have been autogenerated by utils/update_test_checks.py ; RUN: opt -S -passes=instcombine %s | FileCheck %s @a = common global i8 0, align 1 @b = external global i32 define void @tinkywinky() { ; CHECK-LABEL: @tinkywinky( ; CHECK-NEXT: [[PATATINO:%.*]] = load i8, i8* @a, align 1 ; CHECK-NEXT: [[TOBOOL:%.*]] = icmp eq i8 [[PATATINO]], 0 ; CHECK-NEXT: [[TMP1:%.*]] = zext i1 [[TOBOOL]] to i32 ; CHECK-NEXT: [[OR1:%.*]] = or i32 [[TMP1]], or (i32 zext (i1 icmp ne (i32* bitcast (i8* @a to i32*), i32* @b) to i32), i32 2) ; CHECK-NEXT: store i32 [[OR1]], i32* @b, align 4 ; CHECK-NEXT: ret void ; %patatino = load i8, i8* @a %tobool = icmp ne i8 %patatino, 0 %lnot = xor i1 %tobool, true %lnot.ext = zext i1 %lnot to i32 %or = or i32 xor (i32 zext (i1 icmp ne (i32* bitcast (i8* @a to i32*), i32* @b) to i32), i32 2), %lnot.ext store i32 %or, i32* @b, align 4 ret void }