File: pr32686.ll

package info (click to toggle)
llvm-toolchain-17 1%3A17.0.6-22
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid, trixie
  • size: 1,799,624 kB
  • sloc: cpp: 6,428,607; ansic: 1,383,196; asm: 793,408; python: 223,504; objc: 75,364; f90: 60,502; lisp: 33,869; pascal: 15,282; sh: 9,684; perl: 7,453; ml: 4,937; awk: 3,523; makefile: 2,889; javascript: 2,149; xml: 888; fortran: 619; cs: 573
file content (23 lines) | stat: -rw-r--r-- 879 bytes parent folder | download | duplicates (2)
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, ptr @a, align 1
; CHECK-NEXT:    [[TOBOOL_NOT:%.*]] = icmp eq i8 [[PATATINO]], 0
; CHECK-NEXT:    [[TMP1:%.*]] = zext i1 [[TOBOOL_NOT]] to i32
; CHECK-NEXT:    [[OR1:%.*]] = or i32 [[TMP1]], or (i32 zext (i1 icmp ne (ptr @a, ptr @b) to i32), i32 2)
; CHECK-NEXT:    store i32 [[OR1]], ptr @b, align 4
; CHECK-NEXT:    ret void
;
  %patatino = load i8, ptr @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 (ptr @a, ptr @b) to i32), i32 2), %lnot.ext
  store i32 %or, ptr @b, align 4
  ret void
}