| Simon Pilgrim | 5536ecd | 2017-04-19 12:06:40 +0000 | [diff] [blame] | 1 | ; NOTE: Assertions have been autogenerated by utils/update_test_checks.py |
| Davide Italiano | cdc937d | 2017-04-17 20:49:50 +0000 | [diff] [blame] | 2 | ; RUN: opt -S -instcombine %s | FileCheck %s |
| 3 | |
| Davide Italiano | cdc937d | 2017-04-17 20:49:50 +0000 | [diff] [blame] | 4 | @a = external global i8 |
| 5 | @b = external global i32 |
| 6 | |
| 7 | define void @tinkywinky() { |
| Simon Pilgrim | 5536ecd | 2017-04-19 12:06:40 +0000 | [diff] [blame] | 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 |
| 15 | ; |
| Davide Italiano | cdc937d | 2017-04-17 20:49:50 +0000 | [diff] [blame] | 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 |
| 22 | ret void |
| 23 | } |