[PATCH] D23239: [CUDA] Add __device__ overloads for placement new and delete.

[Justin Lebar via cfe-commits]

jlebar created this revision.
jlebar added a reviewer: tra.
jlebar added a subscriber: cfe-commits.

Previously these sort of worked because they didn't end up resulting in
calls at the ptx layer.  But I'm adding stricter checks that break
placement new without these changes.

https://reviews.llvm.org/D23239

Files:
  clang/lib/Headers/__clang_cuda_runtime_wrapper.h

Index: clang/lib/Headers/__clang_cuda_runtime_wrapper.h
===================================================================
--- clang/lib/Headers/__clang_cuda_runtime_wrapper.h
+++ clang/lib/Headers/__clang_cuda_runtime_wrapper.h
@@ -312,5 +312,15 @@
 #pragma pop_macro("uint3")
 #pragma pop_macro("__USE_FAST_MATH__")
 
+// Device overrides for placement new and delete.
+__device__ inline void *operator new(__SIZE_TYPE__, void *__ptr) {
+  return __ptr;
+}
+__device__ inline void *operator new[](__SIZE_TYPE__, void *__ptr) {
+  return __ptr;
+}
+__device__ inline void operator delete(void *, void *) {}
+__device__ inline void operator delete[](void *, void *) {}
+
 #endif // __CUDA__
 #endif // __CLANG_CUDA_RUNTIME_WRAPPER_H__


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