[PATCH] D49458: Support implicit _Atomic struct load / store

[JF Bastien via Phabricator via cfe-commits]

This revision was automatically updated to reflect the committed changes.
Closed by commit rL337410: Support implicit _Atomic struct load / store 
(authored by jfb, committed by ).
Herald added a subscriber: llvm-commits.

Repository:
  rL LLVM

https://reviews.llvm.org/D49458

Files:
  cfe/trunk/lib/Sema/Sema.cpp
  cfe/trunk/test/CodeGen/atomic-ops.c


Index: cfe/trunk/test/CodeGen/atomic-ops.c
===================================================================
--- cfe/trunk/test/CodeGen/atomic-ops.c
+++ cfe/trunk/test/CodeGen/atomic-ops.c
@@ -183,6 +183,18 @@
   double x;
 };
 
+void implicit_store(_Atomic(struct S) *a, struct S s) {
+  // CHECK-LABEL: @implicit_store(
+  // CHECK: store atomic i64 %{{.*}}, i64* %{{.*}} seq_cst, align 8
+  *a = s;
+}
+
+struct S implicit_load(_Atomic(struct S) *a) {
+  // CHECK-LABEL: @implicit_load(
+  // CHECK: load atomic i64, i64* %{{.*}} seq_cst, align 8
+  return *a;
+}
+
 struct S fd1(struct S *a) {
   // CHECK-LABEL: @fd1
   // CHECK: [[RETVAL:%.*]] = alloca %struct.S, align 4
Index: cfe/trunk/lib/Sema/Sema.cpp
===================================================================
--- cfe/trunk/lib/Sema/Sema.cpp
+++ cfe/trunk/lib/Sema/Sema.cpp
@@ -481,6 +481,7 @@
     case CK_ArrayToPointerDecay:
     case CK_FunctionToPointerDecay:
     case CK_ToVoid:
+    case CK_NonAtomicToAtomic:
       break;
     }
   }



Index: cfe/trunk/test/CodeGen/atomic-ops.c
===================================================================
--- cfe/trunk/test/CodeGen/atomic-ops.c
+++ cfe/trunk/test/CodeGen/atomic-ops.c
@@ -183,6 +183,18 @@
   double x;
 };
 
+void implicit_store(_Atomic(struct S) *a, struct S s) {
+  // CHECK-LABEL: @implicit_store(
+  // CHECK: store atomic i64 %{{.*}}, i64* %{{.*}} seq_cst, align 8
+  *a = s;
+}
+
+struct S implicit_load(_Atomic(struct S) *a) {
+  // CHECK-LABEL: @implicit_load(
+  // CHECK: load atomic i64, i64* %{{.*}} seq_cst, align 8
+  return *a;
+}
+
 struct S fd1(struct S *a) {
   // CHECK-LABEL: @fd1
   // CHECK: [[RETVAL:%.*]] = alloca %struct.S, align 4
Index: cfe/trunk/lib/Sema/Sema.cpp
===================================================================
--- cfe/trunk/lib/Sema/Sema.cpp
+++ cfe/trunk/lib/Sema/Sema.cpp
@@ -481,6 +481,7 @@
     case CK_ArrayToPointerDecay:
     case CK_FunctionToPointerDecay:
     case CK_ToVoid:
+    case CK_NonAtomicToAtomic:
       break;
     }
   }

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