mirror of
https://github.com/RPCSX/llvm.git
synced 2024-12-04 10:04:33 +00:00
fce288fc91
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81293 91177308-0d34-0410-b5e6-96231b3b80d8
22 lines
706 B
LLVM
22 lines
706 B
LLVM
; RUN: llc < %s -march=ppc32 | grep lwarx | count 3
|
|
; RUN: llc < %s -march=ppc32 | grep stwcx. | count 4
|
|
|
|
define i32 @exchange_and_add(i32* %mem, i32 %val) nounwind {
|
|
%tmp = call i32 @llvm.atomic.load.add.i32( i32* %mem, i32 %val )
|
|
ret i32 %tmp
|
|
}
|
|
|
|
define i32 @exchange_and_cmp(i32* %mem) nounwind {
|
|
%tmp = call i32 @llvm.atomic.cmp.swap.i32( i32* %mem, i32 0, i32 1 )
|
|
ret i32 %tmp
|
|
}
|
|
|
|
define i32 @exchange(i32* %mem, i32 %val) nounwind {
|
|
%tmp = call i32 @llvm.atomic.swap.i32( i32* %mem, i32 1 )
|
|
ret i32 %tmp
|
|
}
|
|
|
|
declare i32 @llvm.atomic.load.add.i32(i32*, i32) nounwind
|
|
declare i32 @llvm.atomic.cmp.swap.i32(i32*, i32, i32) nounwind
|
|
declare i32 @llvm.atomic.swap.i32(i32*, i32) nounwind
|