| ; 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 |
