File: atomic.ll

package info (click to toggle)
llvm-toolchain-20 1%3A20.1.6-1~exp1
  • links: PTS, VCS
  • area: main
  • in suites: experimental
  • size: 2,111,304 kB
  • sloc: cpp: 7,438,677; ansic: 1,393,822; asm: 1,012,926; python: 241,650; f90: 86,635; objc: 75,479; lisp: 42,144; pascal: 17,286; sh: 10,027; ml: 5,082; perl: 4,730; awk: 3,523; makefile: 3,349; javascript: 2,251; xml: 892; fortran: 672
file content (9 lines) | stat: -rw-r--r-- 330 bytes parent folder | download | duplicates (14) 
1
2
3
4
5
6
7
8
9
 
; RUN: opt < %s -passes=sccp -S | FileCheck %s

define i1 @test_cmpxchg(ptr %addr, i32 %desired, i32 %new) {
; CHECK-LABEL: @test_cmpxchg
; CHECK: cmpxchg ptr %addr, i32 %desired, i32 %new seq_cst seq_cst
  %val = cmpxchg ptr %addr, i32 %desired, i32 %new seq_cst seq_cst
  %res = extractvalue { i32, i1 } %val, 1
  ret i1 %res
}