File: expand-atomic-rmw-initial-load.ll

package info (click to toggle)
llvm-toolchain-13 1%3A13.0.1-6~deb11u1
  • links: PTS, VCS
  • area: main
  • in suites: bullseye
  • size: 1,418,812 kB
  • sloc: cpp: 5,290,827; ansic: 996,570; asm: 544,593; python: 188,212; objc: 72,027; lisp: 30,291; f90: 25,395; sh: 24,900; javascript: 9,780; pascal: 9,398; perl: 7,484; ml: 5,432; awk: 3,523; makefile: 2,892; xml: 953; cs: 573; fortran: 539
file content (11 lines) | stat: -rw-r--r-- 420 bytes parent folder | download | duplicates (20) 
1
2
3
4
5
6
7
8
9
10
11
 
; RUN: opt -S %s -atomic-expand -mtriple=i686-linux-gnu | FileCheck %s

; This file tests the function `llvm::expandAtomicRMWToCmpXchg`.
; It isn't technically target specific, but is exposed through a pass that is.

define i8 @test_initial_load(i8* %ptr, i8 %value) {
  %res = atomicrmw nand i8* %ptr, i8 %value seq_cst
  ret i8 %res
}
; CHECK-LABEL: @test_initial_load
; CHECK-NEXT:    %1 = load i8, i8* %ptr, align 1