File: int_sideeffect.ll

package info (click to toggle)
llvm-toolchain-21 1%3A21.1.6-3
  • links: PTS, VCS
  • area: main
  • in suites: sid
  • size: 2,245,028 kB
  • sloc: cpp: 7,619,726; ansic: 1,434,018; asm: 1,058,748; python: 252,740; f90: 94,671; objc: 70,685; lisp: 42,813; pascal: 18,401; sh: 8,601; ml: 5,111; perl: 4,720; makefile: 3,675; awk: 3,523; javascript: 2,409; xml: 892; fortran: 770
file content (16 lines) | stat: -rw-r--r-- 395 bytes parent folder | download | duplicates (17) 
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
}