[HIP] Rename predefined macros

[yaxunl]

Summary

Rename HIP_API_PER_THREAD_DEFAULT_STREAM and __HIP_NO_IMAGE_SUPPORT so that they follow the convention with prefix and postfix __.

clang/lib/Frontend/InitPreprocessor.cpp

if (LangOpts.HIP) {
     Builder.defineMacro("__HIPCC__");
     Builder.defineMacro("__HIP_MEMORY_SCOPE_SINGLETHREAD", "1");
     Builder.defineMacro("__HIP_MEMORY_SCOPE_WAVEFRONT", "2");
     Builder.defineMacro("__HIP_MEMORY_SCOPE_WORKGROUP", "3");
     Builder.defineMacro("__HIP_MEMORY_SCOPE_AGENT", "4");
     Builder.defineMacro("__HIP_MEMORY_SCOPE_SYSTEM", "5");
     if (LangOpts.CUDAIsDevice) {
       Builder.defineMacro("__HIP_DEVICE_COMPILE__");
-      if (!TI.hasHIPImageSupport())
+      if (!TI.hasHIPImageSupport()) {
+        Builder.defineMacro("__HIP_NO_IMAGE_SUPPORT__", "1");
+        // Deprecated.
         Builder.defineMacro("__HIP_NO_IMAGE_SUPPORT", "1");
       }
+    }
     if (LangOpts.GPUDefaultStream ==
-        LangOptions::GPUDefaultStreamKind::PerThread)
+        LangOptions::GPUDefaultStreamKind::PerThread) {
+      Builder.defineMacro("__HIP_API_PER_THREAD_DEFAULT_STREAM__");
+      // Deprecated.
       Builder.defineMacro("HIP_API_PER_THREAD_DEFAULT_STREAM");
     }
   }
+}
 
 /// Initialize the predefined C++ language feature test macros defined in
 /// ISO/IEC JTC1/SC22/WG21 (C++) SD-6: "SG10 Feature Test Recommendations".
 static void InitializeCPlusPlusFeatureTestMacros(const LangOptions &LangOpts,
                                                  MacroBuilder &Builder) {
   // C++98 features.
   if (LangOpts.RTTI)
     Builder.defineMacro("__cpp_rtti", "199711L");

clang/test/CodeGenCUDA/Inputs/cuda.h

 #if __HIP__ || HIP_PLATFORM
 typedef struct hipStream *hipStream_t;
 typedef enum hipError {} hipError_t;
 int hipConfigureCall(dim3 gridSize, dim3 blockSize, size_t sharedSize = 0,
                      hipStream_t stream = 0);
 extern "C" hipError_t __hipPushCallConfiguration(dim3 gridSize, dim3 blockSize,
                                                  size_t sharedSize = 0,
                                                  hipStream_t stream = 0);
-#ifndef HIP_API_PER_THREAD_DEFAULT_STREAM
+#ifndef __HIP_API_PER_THREAD_DEFAULT_STREAM__
 extern "C" hipError_t hipLaunchKernel(const void *func, dim3 gridDim,
                                       dim3 blockDim, void **args,
                                       size_t sharedMem,
                                       hipStream_t stream);
 #else
 extern "C" hipError_t hipLaunchKernel_spt(const void *func, dim3 gridDim,
                                       dim3 blockDim, void **args,
                                       size_t sharedMem,
                                       hipStream_t stream);
-#endif //HIP_API_PER_THREAD_DEFAULT_STREAM
+#endif // __HIP_API_PER_THREAD_DEFAULT_STREAM__
 #else
 typedef struct cudaStream *cudaStream_t;
 typedef enum cudaError {} cudaError_t;
 extern "C" int cudaConfigureCall(dim3 gridSize, dim3 blockSize,
                                  size_t sharedSize = 0,
                                  cudaStream_t stream = 0);
 extern "C" int __cudaPushCallConfiguration(dim3 gridSize, dim3 blockSize,
                                            size_t sharedSize = 0,

clang/test/Driver/hip-macros.hip

 // RUN: %clang -E -dM --offload-arch=gfx942 --cuda-device-only -nogpuinc -nogpulib \
 // RUN:   %s 2>&1 | FileCheck --check-prefixes=NOIMAGE,NOWARN %s
 // RUN: %clang -E -dM --offload-arch=gfx1100 --cuda-device-only -nogpuinc -nogpulib \
 // RUN:   -Xclang -target-feature -Xclang "-image-insts" %s 2>&1 | FileCheck --check-prefixes=IMAGE,WARN %s
 // RUN: %clang -E -dM --offload-arch=gfx940 --cuda-device-only -nogpuinc -nogpulib \
 // RUN:   -Xclang -target-feature -Xclang "+image-insts" %s 2>&1 | FileCheck --check-prefixes=NOIMAGE,WARN %s
 // NOWARN-NOT: warning
 // WARN: warning: feature flag '{{[+|-]}}image-insts' is ignored since the feature is read only [-Winvalid-command-line-argument]
+// IMAGE-NOT: #define __HIP_NO_IMAGE_SUPPORT__
 // IMAGE-NOT: #define __HIP_NO_IMAGE_SUPPORT
-// NOIMAGE: #define __HIP_NO_IMAGE_SUPPORT 1
+// NOIMAGE-DAG: #define __HIP_NO_IMAGE_SUPPORT__ 1
+// NOIMAGE-DAG: #define __HIP_NO_IMAGE_SUPPORT 1
+
+// RUN: %clang -E -dM --offload-arch=gfx1100 -nogpuinc -nogpulib \
+// RUN:   -fgpu-default-stream=per-thread %s 2>&1 | FileCheck --check-prefixes=PTS %s
+// RUN: %clang -E -dM --offload-arch=gfx940 --cuda-device-only -nogpuinc -nogpulib \
+// RUN:   -fgpu-default-stream=legacy %s 2>&1 | FileCheck --check-prefixes=NOPTS %s
+// RUN: %clang -E -dM --offload-arch=gfx940 --cuda-device-only -nogpuinc -nogpulib \
+// RUN:   %s 2>&1 | FileCheck --check-prefixes=NOPTS %s
+// PTS-DAG: #define __HIP_API_PER_THREAD_DEFAULT_STREAM__ 1
+// PTS-DAG: #define __HIP_API_PER_THREAD_DEFAULT_STREAM__ 1
+// PTS-DAG: #define HIP_API_PER_THREAD_DEFAULT_STREAM 1
+// PTS-DAG: #define HIP_API_PER_THREAD_DEFAULT_STREAM 1
+// NOPTS-NOT: #define __HIP_API_PER_THREAD_DEFAULT_STREAM__
+// NOPTS-NOT: #define HIP_API_PER_THREAD_DEFAULT_STREAM