File: pr51333.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 (31 lines) | stat: -rw-r--r-- 836 bytes parent folder | download | duplicates (20) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
 
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
; RUN: opt -S -passes='early-cse<memssa>,loop-mssa(licm)' < %s | FileCheck %s

; This used to assert because was have a MemoryDef for what turns out to be
; a readnone call after EarlyCSE.

@fn_ptr = external global ptr, align 1

define void @test() {
; CHECK-LABEL: @test(
; CHECK-NEXT:  entry:
; CHECK-NEXT:    br label [[DO_BODY:%.*]]
; CHECK:       do.body:
; CHECK-NEXT:    store ptr @readnone_fn, ptr @fn_ptr, align 8
; CHECK-NEXT:    call void @readnone_fn()
; CHECK-NEXT:    call void @foo()
; CHECK-NEXT:    br label [[DO_BODY]]
;
entry:
  br label %do.body

do.body:
  store ptr @readnone_fn, ptr @fn_ptr
  %fn = load ptr, ptr @fn_ptr
  call void %fn()
  call void @foo()
  br label %do.body
}

declare void @foo()
declare void @readnone_fn() readnone