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Diffstat (limited to 'test/CodeGenCXX/atomic-inline.cpp')
-rw-r--r-- | test/CodeGenCXX/atomic-inline.cpp | 69 |
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); +} + |