llvm-6502/test/CodeGen/PowerPC/atomic-2.ll
2009-09-09 00:09:15 +00:00

22 lines
706 B
LLVM

; 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