blob: f6bb2983d56517e3d79b2349685d08c3f628e1e1 [file] [log] [blame]
; RUN: llvm-as < %s | llc -march=ppc32 | grep lwarx | count 3
; RUN: llvm-as < %s | llc -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