[SYCLomatic] Fix CMake script migration (#2930)

Signed-off-by: Jiang, Zhiwei <zhiwei.jiang@intel.com>

Author: zhimingwang36

clang/lib/DPCT/DPCT.cpp

@@ -521,11 +521,6 @@ static void loadMainSrcFileInfo(clang::tooling::UnifiedPath YamlFilePath) {
   }
   DpctGlobalInfo::setMainSourceYamlTUR(PreTU);
 
-  for (auto &Entry : PreTU->MainSourceFilesDigest) {
-    if (Entry.HasCUDASyntax)
-      MainSrcFilesHasCudaSyntex.insert(Entry.MainSourceFile);
-  }
-
   // Currently, when "--use-experimental-features=device_global" and
   // "--use-experimental-features=all" are specified, the migrated code should
   // be compiled with C++20 or later.

clang/lib/DPCT/UserDefinedRules/PatternRewriter.cpp

@@ -28,7 +28,6 @@
 namespace clang {
 namespace dpct {
 
-std::set<std::string> MainSrcFilesHasCudaSyntex;
 bool LANG_Cplusplus_20_Used = false;
 
 struct SpacingElement {};
@@ -465,9 +464,13 @@ static void applyExtenstionNameChange(
   std::string SrcFile = Input.substr(Pos, Next + ExtensionType.length() +
                                               1 /*strlen of "."*/ - Pos);
   bool HasCudaSyntax = false;
-
+  std::set<std::string> MainSrcFilesHasCudaSyntex;
+  for (auto &Entry :
+       DpctGlobalInfo::getMainSourceYamlTUR()->MainSourceFilesDigest) {
+    if (Entry.HasCUDASyntax)
+      MainSrcFilesHasCudaSyntex.insert(Entry.MainSourceFile);
+  }
   for (const auto &_File : MainSrcFilesHasCudaSyntex) {
-
     llvm::SmallString<512> File(_File);
     llvm::sys::path::native(File);
 

clang/lib/DPCT/UserDefinedRules/PatternRewriter.h

@@ -27,7 +27,6 @@ bool fixLineEndings(const std::string &Input, std::string &Output);
 enum SourceFileType { SFT_CAndCXXSource, SFT_CMakeScript, SFT_PySetupScript };
 void setFileTypeProcessed(enum SourceFileType FileType);
 
-extern std::set<std::string> MainSrcFilesHasCudaSyntex;
 extern bool LANG_Cplusplus_20_Used;
 
 } // namespace dpct