[SYCLomatic]Fix the issue where the header file surrounded by quotes is not found in the search path. (#2877)

Signed-off-by: Chen, Sheng S <sheng.s.chen@intel.com>

Author: ShengchenJ

clang/lib/Frontend/CompilerInvocation.cpp

@@ -3409,6 +3409,13 @@ static bool ParseHeaderSearchArgs(HeaderSearchOptions &Opts, ArgList &Args,
                            &Opts](const llvm::opt::Arg *A,
                                   bool IsFramework = false) -> std::string {
     assert(A->getNumValues() && "Unexpected empty search path flag!");
+  #ifdef  SYCLomatic_CUSTOMIZATION
+    if (A->getValue()[0] == '"') {
+      std::string str(A->getValue());
+      str.erase(std::remove(str.begin(), str.end(), '"'), str.end());
+      return str;
+    }
+  #endif
     if (IsSysrootSpecified && !IsFramework && A->getValue()[0] == '=') {
       SmallString<32> Buffer;
       llvm::sys::path::append(Buffer, Opts.Sysroot,

clang/test/dpct/compilation_database/db_header_file_in_quote/case_in_db.c

@@ -0,0 +1,17 @@
+// RUN: cd %T
+// RUN: cat %S/compile_commands.json > %T/compile_commands.json
+// RUN: cat %S/case_in_db.c > %T/case_in_db.c
+
+// RUN: dpct --format-range=none -in-root=%T  -out-root=%T/out case_in_db.c --format-range=none --cuda-include-path="%cuda-path/include"
+// RUN: FileCheck %T/case_in_db.c --match-full-lines --input-file %T/out/case_in_db.c.dp.cpp
+
+
+// CHECK: #include <sycl/sycl.hpp>
+// CHECK-NEXT: #include <dpct/dpct.hpp>
+#include <cuda_runtime.h>
+#include <test.h>
+
+
+int main() {
+  print_test();
+}

clang/test/dpct/compilation_database/db_header_file_in_quote/compile_commands.json

@@ -0,0 +1,7 @@
+[
+    {
+    "command": "nvcc -c -I \"./test\" -isystem \"./test\" ./case_in_db.c",
+    "directory": ".",
+    "file": "./case_in_db.c"
+    }
+]

clang/test/dpct/compilation_database/db_header_file_in_quote/test/test.h

@@ -0,0 +1,4 @@
+#include <stdio.h>
+void print_test() {
+    printf("XXXXXXXXX\n");
+}