[HIPIFY] Introduce --cuda-gpu-arch as hipify-clang's option

+ Pass it to clang if specified


[ROCm/hip commit: 02589264a0]

projects/hip/hipify-clang/src/ArgParse.cpp

@@ -138,4 +138,12 @@ cl::opt<bool> SkipExcludedPPConditionalBlocks("skip-excluded-preprocessor-condit
   cl::value_desc("skip-excluded-preprocessor-conditional-blocks"),
   cl::cat(ToolTemplateCategory));
 
+cl::opt<std::string> CudaGpuArch("cuda-gpu-arch",
+  cl::desc("CUDA GPU architecture (e.g. sm_35);\nmay be specified more than once"),
+  cl::value_desc("value"),
+  cl::ZeroOrMore,
+  cl::Prefix,
+  cl::cat(ToolTemplateCategory));
+
+
 cl::extrahelp CommonHelp(ct::CommonOptionsParser::HelpMessage);

projects/hip/hipify-clang/src/ArgParse.h

@@ -52,3 +52,4 @@ extern cl::extrahelp CommonHelp;
 extern cl::opt<bool> TranslateToRoc;
 extern cl::opt<bool> DashDash;
 extern cl::opt<bool> SkipExcludedPPConditionalBlocks;
+extern cl::opt<std::string> CudaGpuArch;

projects/hip/hipify-clang/src/main.cpp

@@ -225,6 +225,10 @@ int main(int argc, const char **argv) {
     if (llcompat::pragma_once_outside_header()) {
       Tool.appendArgumentsAdjuster(ct::getInsertArgumentAdjuster("-Wno-pragma-once-outside-header", ct::ArgumentInsertPosition::BEGIN));
     }
+    if (!CudaGpuArch.empty()) {
+      std::string sCudaGpuArch = "--cuda-gpu-arch=" + CudaGpuArch;
+      Tool.appendArgumentsAdjuster(ct::getInsertArgumentAdjuster(sCudaGpuArch.c_str(), ct::ArgumentInsertPosition::BEGIN));
+    }
     if (!MacroNames.empty()) {
       for (std::string s : MacroNames) {
         Tool.appendArgumentsAdjuster(ct::getInsertArgumentAdjuster("-D", ct::ArgumentInsertPosition::END));