1 ; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
2 ; RUN: opt -S -instcombine %s | FileCheck %s
4 @a = external global i8
5 @b = external global i32
7 define void @tinkywinky() {
8 ; CHECK-LABEL: @tinkywinky(
9 ; CHECK-NEXT: [[PATATINO:%.*]] = load i8, i8* @a, align 1
10 ; CHECK-NEXT: [[TOBOOL:%.*]] = icmp eq i8 [[PATATINO]], 0
11 ; CHECK-NEXT: [[TMP1:%.*]] = zext i1 [[TOBOOL]] to i32
12 ; CHECK-NEXT: [[OR1:%.*]] = or i32 [[TMP1]], or (i32 zext (i1 icmp ne (i32* bitcast (i8* @a to i32*), i32* @b) to i32), i32 2)
13 ; CHECK-NEXT: store i32 [[OR1]], i32* @b, align 4
14 ; CHECK-NEXT: ret void
16 %patatino = load i8, i8* @a
17 %tobool = icmp ne i8 %patatino, 0
18 %lnot = xor i1 %tobool, true
19 %lnot.ext = zext i1 %lnot to i32
20 %or = or i32 xor (i32 zext (i1 icmp ne (i32* bitcast (i8* @a to i32*), i32* @b) to i32), i32 2), %lnot.ext
21 store i32 %or, i32* @b, align 4