64-bit atomic operations.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49949 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/CodeGen/PowerPC/atomic-2.ll b/test/CodeGen/PowerPC/atomic-2.ll
new file mode 100644
index 0000000..8e1ef1b
--- /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