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author | Evan Cheng <evan.cheng@apple.com> | 2008-04-19 02:30:38 +0000 |
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committer | Evan Cheng <evan.cheng@apple.com> | 2008-04-19 02:30:38 +0000 |
commit | 8608f2eff2dab5345243c40d0bca9138f2dce6f1 (patch) | |
tree | ac7dfd5f3ce20830217d81e068c0e4b14abdc5fc /test/CodeGen/PowerPC/atomic-2.ll | |
parent | 94d7b02c5ab270713089eb23e2305cad98f9ce64 (diff) | |
download | llvm-8608f2eff2dab5345243c40d0bca9138f2dce6f1.tar.gz llvm-8608f2eff2dab5345243c40d0bca9138f2dce6f1.tar.bz2 llvm-8608f2eff2dab5345243c40d0bca9138f2dce6f1.tar.xz |
64-bit atomic operations.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49949 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/CodeGen/PowerPC/atomic-2.ll')
-rw-r--r-- | test/CodeGen/PowerPC/atomic-2.ll | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/test/CodeGen/PowerPC/atomic-2.ll b/test/CodeGen/PowerPC/atomic-2.ll new file mode 100644 index 0000000000..8e1ef1b0f8 --- /dev/null +++ b/test/CodeGen/PowerPC/atomic-2.ll @@ -0,0 +1,21 @@ +; 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.las.i64( i64* %mem, i64 %val ) + ret i64 %tmp +} + +define i64 @exchange_and_cmp(i64* %mem) nounwind { + %tmp = call i64 @llvm.atomic.lcs.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.las.i64(i64*, i64) nounwind +declare i64 @llvm.atomic.lcs.i64(i64*, i64, i64) nounwind +declare i64 @llvm.atomic.swap.i64(i64*, i64) nounwind |