File: int_sideeffect.ll

package info (click to toggle)
llvm-toolchain-16 1%3A16.0.6-15~deb12u1
  • links: PTS, VCS
  • area: main
  • in suites: bookworm
  • size: 1,634,792 kB
  • sloc: cpp: 6,179,261; ansic: 1,216,205; asm: 741,319; python: 196,614; objc: 75,325; f90: 49,640; lisp: 32,396; pascal: 12,286; sh: 9,394; perl: 7,442; ml: 5,494; awk: 3,523; makefile: 2,723; javascript: 1,206; xml: 886; fortran: 581; cs: 573
file content (16 lines) | stat: -rw-r--r-- 395 bytes parent folder | download | duplicates (12) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
 
; RUN: opt -S < %s -passes=globalopt | FileCheck %s

; Static evaluation across a @llvm.sideeffect.

; CHECK-NOT: store

declare void @llvm.sideeffect()

@llvm.global_ctors = appending global [1 x { i32, ptr, ptr }] [ { i32, ptr, ptr } { i32 65535, ptr @ctor, ptr null } ]
@G = global i32 0

define internal void @ctor() {
    store i32 1, ptr @G
    call void @llvm.sideeffect()
    ret void
}