1; RUN: llvm-as < %s | llc -march=ppc64 | grep ldarx | count 3 2; RUN: llvm-as < %s | llc -march=ppc64 | grep stdcx. | count 3 3 4define i64 @exchange_and_add(i64* %mem, i64 %val) nounwind { 5 %tmp = call i64 @llvm.atomic.las.i64( i64* %mem, i64 %val ) 6 ret i64 %tmp 7} 8 9define i64 @exchange_and_cmp(i64* %mem) nounwind { 10 %tmp = call i64 @llvm.atomic.lcs.i64( i64* %mem, i64 0, i64 1 ) 11 ret i64 %tmp 12} 13 14define i64 @exchange(i64* %mem, i64 %val) nounwind { 15 %tmp = call i64 @llvm.atomic.swap.i64( i64* %mem, i64 1 ) 16 ret i64 %tmp 17} 18 19declare i64 @llvm.atomic.las.i64(i64*, i64) nounwind 20declare i64 @llvm.atomic.lcs.i64(i64*, i64, i64) nounwind 21declare i64 @llvm.atomic.swap.i64(i64*, i64) nounwind 22