| ; NOTE: Assertions have been autogenerated by utils/update_test_checks.py |
| ; RUN: opt -S -instcombine %s | FileCheck %s |
| |
| @a = external global i8 |
| @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 |
| } |