| ; RUN: llc < %s -march=ppc64 | FileCheck %s |
| |
| define i64 @exchange_and_add(i64* %mem, i64 %val) nounwind { |
| ; CHECK: exchange_and_add: |
| ; CHECK: ldarx |
| %tmp = call i64 @llvm.atomic.load.add.i64.p0i64(i64* %mem, i64 %val) |
| ; CHECK: stdcx. |
| ret i64 %tmp |
| } |
| |
| define i64 @exchange_and_cmp(i64* %mem) nounwind { |
| ; CHECK: exchange_and_cmp: |
| ; CHECK: ldarx |
| %tmp = call i64 @llvm.atomic.cmp.swap.i64.p0i64(i64* %mem, i64 0, i64 1) |
| ; CHECK: stdcx. |
| ; CHECK: stdcx. |
| ret i64 %tmp |
| } |
| |
| define i64 @exchange(i64* %mem, i64 %val) nounwind { |
| ; CHECK: exchange: |
| ; CHECK: ldarx |
| %tmp = call i64 @llvm.atomic.swap.i64.p0i64(i64* %mem, i64 1) |
| ; CHECK: stdcx. |
| ret i64 %tmp |
| } |
| |
| declare i64 @llvm.atomic.load.add.i64.p0i64(i64* nocapture, i64) nounwind |
| |
| declare i64 @llvm.atomic.cmp.swap.i64.p0i64(i64* nocapture, i64, i64) nounwind |
| |
| declare i64 @llvm.atomic.swap.i64.p0i64(i64* nocapture, i64) nounwind |