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llvm-mirror/test/CodeGen/PowerPC/atomic-2.ll
Mon P Wang 7d89d61387 Added MemOperands to Atomic operations since Atomics touches memory.
Added abstract class MemSDNode for any Node that have an associated MemOperand
Changed atomic.lcs => atomic.cmp.swap, atomic.las => atomic.load.add, and
atomic.lss => atomic.load.sub

llvm-svn: 52706
2008-06-25 08:15:39 +00:00

22 lines
726 B
LLVM

; RUN: llvm-as < %s | llc -march=ppc64 | grep ldarx | count 3
; RUN: llvm-as < %s | llc -march=ppc64 | grep stdcx. | count 3
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