summaryrefslogtreecommitdiff
path: root/test/CodeGenCXX/atomic-inline.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'test/CodeGenCXX/atomic-inline.cpp')
-rw-r--r--test/CodeGenCXX/atomic-inline.cpp69
1 files changed, 69 insertions, 0 deletions
diff --git a/test/CodeGenCXX/atomic-inline.cpp b/test/CodeGenCXX/atomic-inline.cpp
new file mode 100644
index 0000000000000..fe727589d2e27
--- /dev/null
+++ b/test/CodeGenCXX/atomic-inline.cpp
@@ -0,0 +1,69 @@
+// RUN: %clang_cc1 %s -std=c++11 -emit-llvm -o - -triple=x86_64-linux-gnu | FileCheck %s
+// RUN: %clang_cc1 %s -std=c++11 -emit-llvm -o - -triple=x86_64-linux-gnu -target-cpu core2 | FileCheck %s --check-prefix=CORE2
+// Check the atomic code generation for cpu targets w/wo cx16 support.
+
+struct alignas(8) AM8 {
+ int f1, f2;
+};
+AM8 m8;
+AM8 load8() {
+ AM8 am;
+ // CHECK-LABEL: @_Z5load8v
+ // CHECK: load atomic i64, {{.*}} monotonic
+ // CORE2-LABEL: @_Z5load8v
+ // CORE2: load atomic i64, {{.*}} monotonic
+ __atomic_load(&m8, &am, 0);
+ return am;
+}
+
+AM8 s8;
+void store8() {
+ // CHECK-LABEL: @_Z6store8v
+ // CHECK: store atomic i64 {{.*}} monotonic
+ // CORE2-LABEL: @_Z6store8v
+ // CORE2: store atomic i64 {{.*}} monotonic
+ __atomic_store(&m8, &s8, 0);
+}
+
+bool cmpxchg8() {
+ AM8 am;
+ // CHECK-LABEL: @_Z8cmpxchg8v
+ // CHECK: cmpxchg i64* {{.*}} monotonic
+ // CORE2-LABEL: @_Z8cmpxchg8v
+ // CORE2: cmpxchg i64* {{.*}} monotonic
+ return __atomic_compare_exchange(&m8, &s8, &am, 0, 0, 0);
+}
+
+struct alignas(16) AM16 {
+ long f1, f2;
+};
+
+AM16 m16;
+AM16 load16() {
+ AM16 am;
+ // CHECK-LABEL: @_Z6load16v
+ // CHECK: call void @__atomic_load
+ // CORE2-LABEL: @_Z6load16v
+ // CORE2: load atomic i128, {{.*}} monotonic
+ __atomic_load(&m16, &am, 0);
+ return am;
+}
+
+AM16 s16;
+void store16() {
+ // CHECK-LABEL: @_Z7store16v
+ // CHECK: call void @__atomic_store
+ // CORE2-LABEL: @_Z7store16v
+ // CORE2: store atomic i128 {{.*}} monotonic
+ __atomic_store(&m16, &s16, 0);
+}
+
+bool cmpxchg16() {
+ AM16 am;
+ // CHECK-LABEL: @_Z9cmpxchg16v
+ // CHECK: call zeroext i1 @__atomic_compare_exchange
+ // CORE2-LABEL: @_Z9cmpxchg16v
+ // CORE2: cmpxchg i128* {{.*}} monotonic
+ return __atomic_compare_exchange(&m16, &s16, &am, 0, 0, 0);
+}
+