File: atomic-2.ll

package info (click to toggle)
llvm-2.7 2.7-6
  • links: PTS
  • area: main
  • in suites: squeeze
  • size: 59,992 kB
  • ctags: 49,499
  • sloc: cpp: 373,792; ansic: 16,885; sh: 12,614; asm: 6,809; ada: 3,083; ml: 2,942; python: 2,671; perl: 2,404; makefile: 1,691; pascal: 1,235; exp: 399; objc: 291; lisp: 184; csh: 117; xml: 38; f90: 36
file content (21 lines) | stat: -rw-r--r-- 706 bytes parent folder | download | duplicates (2) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
 
; RUN: llc < %s -march=ppc64 | grep ldarx  | count 3
; RUN: llc < %s -march=ppc64 | grep stdcx. | count 4

define i64 @exchange_and_add(i64* %mem, i64 %val) nounwind  {
	%tmp = call i64 @llvm.atomic.load.add.i64( i64* %mem, i64 %val )
	ret i64 %tmp
}

define i64 @exchange_and_cmp(i64* %mem) nounwind  {
       	%tmp = call i64 @llvm.atomic.cmp.swap.i64( i64* %mem, i64 0, i64 1 )
	ret i64 %tmp
}

define i64 @exchange(i64* %mem, i64 %val) nounwind  {
	%tmp = call i64 @llvm.atomic.swap.i64( i64* %mem, i64 1 )
	ret i64 %tmp
}

declare i64 @llvm.atomic.load.add.i64(i64*, i64) nounwind 
declare i64 @llvm.atomic.cmp.swap.i64(i64*, i64, i64) nounwind 
declare i64 @llvm.atomic.swap.i64(i64*, i64) nounwind