File: pr32686.ll

package info (click to toggle)
llvm-toolchain-15 1%3A15.0.6-4
  • links: PTS, VCS
  • area: main
  • in suites: bookworm
  • size: 1,554,644 kB
  • sloc: cpp: 5,922,452; ansic: 1,012,136; asm: 674,362; python: 191,568; objc: 73,855; f90: 42,327; lisp: 31,913; pascal: 11,973; javascript: 10,144; sh: 9,421; perl: 7,447; ml: 5,527; awk: 3,523; makefile: 2,520; xml: 885; cs: 573; fortran: 567
file content (23 lines) | stat: -rw-r--r-- 921 bytes parent folder | download 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
 
; 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
}