Pass HeaderSearchOptions and PreprocessorOptions into CodeGenModule.

In order to produce debug info for clang modules CGDebugInfo it needs
access to macros passed on the command line and the isysroot.

llvm-svn: 241035

7 files changed, 65 insertions, 25 deletions

diff --git a/clang/include/clang/CodeGen/CodeGenABITypes.h b/clang/include/clang/CodeGen/CodeGenABITypes.h
index 97a9dc82940..4e76cd4d5b0 100644
--- a/clang/include/clang/CodeGen/CodeGenABITypes.h
+++ b/clang/include/clang/CodeGen/CodeGenABITypes.h
@@ -37,9 +37,11 @@ namespace clang {
 class ASTContext;
 class CXXRecordDecl;
 class CodeGenOptions;
+class CoverageSourceInfo;
 class DiagnosticsEngine;
+class HeaderSearchOptions;
 class ObjCMethodDecl;
-class CoverageSourceInfo;
+class PreprocessorOptions;
 
 namespace CodeGen {
 class CGFunctionInfo;
@@ -74,6 +76,8 @@ private:
   /// CodeGenModule and otherwise not used. More specifically, it is
   /// not used in ABI type generation, so none of the options matter.
   CodeGenOptions *CGO;
+  HeaderSearchOptions *HSO;
+  PreprocessorOptions *PPO;
 
   /// The CodeGenModule we use get to the CodeGenTypes object.
   CodeGen::CodeGenModule *CGM;
diff --git a/clang/include/clang/CodeGen/ModuleBuilder.h b/clang/include/clang/CodeGen/ModuleBuilder.h
index 8facc3c8307..52497d9a9ac 100644
--- a/clang/include/clang/CodeGen/ModuleBuilder.h
+++ b/clang/include/clang/CodeGen/ModuleBuilder.h
@@ -26,6 +26,8 @@ namespace clang {
   class DiagnosticsEngine;
   class CoverageSourceInfo;
   class LangOptions;
+  class HeaderSearchOptions;
+  class PreprocessorOptions;
   class CodeGenOptions;
   class Decl;
 
@@ -42,6 +44,8 @@ namespace clang {
   /// the allocated CodeGenerator instance.
   CodeGenerator *CreateLLVMCodeGen(DiagnosticsEngine &Diags,
                                    const std::string &ModuleName,
+                                   const HeaderSearchOptions &HeaderSearchOpts,
+                                   const PreprocessorOptions &PreprocessorOpts,
                                    const CodeGenOptions &CGO,
                                    llvm::LLVMContext& C,
                                    CoverageSourceInfo *CoverageInfo = nullptr);
diff --git a/clang/lib/CodeGen/CodeGenABITypes.cpp b/clang/lib/CodeGen/CodeGenABITypes.cpp
index 12189ae1aea..755e8aa628c 100644
--- a/clang/lib/CodeGen/CodeGenABITypes.cpp
+++ b/clang/lib/CodeGen/CodeGenABITypes.cpp
@@ -20,6 +20,8 @@
 #include "CodeGenModule.h"
 #include "clang/CodeGen/CGFunctionInfo.h"
 #include "clang/Frontend/CodeGenOptions.h"
+#include "clang/Lex/HeaderSearchOptions.h"
+#include "clang/Lex/PreprocessorOptions.h"
 
 using namespace clang;
 using namespace CodeGen;
@@ -29,7 +31,10 @@ CodeGenABITypes::CodeGenABITypes(ASTContext &C,
                                  const llvm::DataLayout &TD,
                                  CoverageSourceInfo *CoverageInfo)
   : CGO(new CodeGenOptions),
-    CGM(new CodeGen::CodeGenModule(C, *CGO, M, TD, C.getDiagnostics(),
+    HSO(new HeaderSearchOptions),
+    PPO(new PreprocessorOptions),
+    CGM(new CodeGen::CodeGenModule(C, *HSO, *PPO, *CGO,
+                                   M, TD, C.getDiagnostics(),
                                    CoverageInfo)) {
 }
 
diff --git a/clang/lib/CodeGen/CodeGenAction.cpp b/clang/lib/CodeGen/CodeGenAction.cpp
index 54e6b73b302..0e7b6d8a71d 100644
--- a/clang/lib/CodeGen/CodeGenAction.cpp
+++ b/clang/lib/CodeGen/CodeGenAction.cpp
@@ -57,6 +57,8 @@ namespace clang {
 
   public:
     BackendConsumer(BackendAction Action, DiagnosticsEngine &Diags,
+                    const HeaderSearchOptions &HeaderSearchOpts,
+                    const PreprocessorOptions &PPOpts,
                     const CodeGenOptions &CodeGenOpts,
                     const TargetOptions &TargetOpts,
                     const LangOptions &LangOpts, bool TimePasses,
@@ -66,7 +68,8 @@ namespace clang {
         : Diags(Diags), Action(Action), CodeGenOpts(CodeGenOpts),
           TargetOpts(TargetOpts), LangOpts(LangOpts), AsmOutStream(OS),
           Context(nullptr), LLVMIRGeneration("LLVM IR Generation Time"),
-          Gen(CreateLLVMCodeGen(Diags, InFile, CodeGenOpts, C, CoverageInfo)),
+          Gen(CreateLLVMCodeGen(Diags, InFile, HeaderSearchOpts, PPOpts,
+                                CodeGenOpts, C, CoverageInfo)),
           LinkModule(LinkModule) {
       llvm::TimePassesIsEnabled = TimePasses;
     }
@@ -667,7 +670,8 @@ CodeGenAction::CreateASTConsumer(CompilerInstance &CI, StringRef InFile) {
                                     std::unique_ptr<PPCallbacks>(CoverageInfo));
   }
   std::unique_ptr<BackendConsumer> Result(new BackendConsumer(
-      BA, CI.getDiagnostics(), CI.getCodeGenOpts(), CI.getTargetOpts(),
+      BA, CI.getDiagnostics(), CI.getHeaderSearchOpts(),
+      CI.getPreprocessorOpts(), CI.getCodeGenOpts(), CI.getTargetOpts(),
       CI.getLangOpts(), CI.getFrontendOpts().ShowTimers, InFile,
       LinkModuleToUse, OS, *VMContext, CoverageInfo));
   BEConsumer = Result.get();
diff --git a/clang/lib/CodeGen/CodeGenModule.cpp b/clang/lib/CodeGen/CodeGenModule.cpp
index d19d0ed886e..461f694acb0 100644
--- a/clang/lib/CodeGen/CodeGenModule.cpp
+++ b/clang/lib/CodeGen/CodeGenModule.cpp
@@ -74,16 +74,19 @@ static CGCXXABI *createCXXABI(CodeGenModule &CGM) {
   llvm_unreachable("invalid C++ ABI kind");
 }
 
-CodeGenModule::CodeGenModule(ASTContext &C, const CodeGenOptions &CGO,
-                             llvm::Module &M, const llvm::DataLayout &TD,
+CodeGenModule::CodeGenModule(ASTContext &C, const HeaderSearchOptions &HSO,
+                             const PreprocessorOptions &PPO,
+                             const CodeGenOptions &CGO, llvm::Module &M,
+                             const llvm::DataLayout &TD,
                              DiagnosticsEngine &diags,
                              CoverageSourceInfo *CoverageInfo)
-    : Context(C), LangOpts(C.getLangOpts()), CodeGenOpts(CGO), TheModule(M),
-      Diags(diags), TheDataLayout(TD), Target(C.getTargetInfo()),
-      ABI(createCXXABI(*this)), VMContext(M.getContext()), TBAA(nullptr),
-      TheTargetCodeGenInfo(nullptr), Types(*this), VTables(*this),
-      ObjCRuntime(nullptr), OpenCLRuntime(nullptr), OpenMPRuntime(nullptr),
-      CUDARuntime(nullptr), DebugInfo(nullptr), ARCData(nullptr),
+    : Context(C), LangOpts(C.getLangOpts()), HeaderSearchOpts(HSO),
+      PreprocessorOpts(PPO), CodeGenOpts(CGO), TheModule(M), Diags(diags),
+      TheDataLayout(TD), Target(C.getTargetInfo()), ABI(createCXXABI(*this)),
+      VMContext(M.getContext()), TBAA(nullptr), TheTargetCodeGenInfo(nullptr),
+      Types(*this), VTables(*this), ObjCRuntime(nullptr),
+      OpenCLRuntime(nullptr), OpenMPRuntime(nullptr), CUDARuntime(nullptr),
+      DebugInfo(nullptr), ARCData(nullptr),
       NoObjCARCExceptionsMetadata(nullptr), RRData(nullptr), PGOReader(nullptr),
       CFConstantStringClassRef(nullptr), ConstantStringClassRef(nullptr),
       NSConstantStringType(nullptr), NSConcreteGlobalBlock(nullptr),
diff --git a/clang/lib/CodeGen/CodeGenModule.h b/clang/lib/CodeGen/CodeGenModule.h
index 273fe70d52f..9a295feaffa 100644
--- a/clang/lib/CodeGen/CodeGenModule.h
+++ b/clang/lib/CodeGen/CodeGenModule.h
@@ -69,6 +69,8 @@ class ValueDecl;
 class VarDecl;
 class LangOptions;
 class CodeGenOptions;
+class HeaderSearchOptions;
+class PreprocessorOptions;
 class DiagnosticsEngine;
 class AnnotateAttr;
 class CXXDestructorDecl;
@@ -278,6 +280,8 @@ public:
 private:
   ASTContext &Context;
   const LangOptions &LangOpts;
+  const HeaderSearchOptions &HeaderSearchOpts; // Only used for debug info.
+  const PreprocessorOptions &PreprocessorOpts; // Only used for debug info.
   const CodeGenOptions &CodeGenOpts;
   llvm::Module &TheModule;
   DiagnosticsEngine &Diags;
@@ -488,7 +492,10 @@ private:
 
   std::unique_ptr<CoverageMappingModuleGen> CoverageMapping;
 public:
-  CodeGenModule(ASTContext &C, const CodeGenOptions &CodeGenOpts,
+  CodeGenModule(ASTContext &C,
+                const HeaderSearchOptions &headersearchopts,
+                const PreprocessorOptions &ppopts,
+                const CodeGenOptions &CodeGenOpts,
                 llvm::Module &M, const llvm::DataLayout &TD,
                 DiagnosticsEngine &Diags,
                 CoverageSourceInfo *CoverageInfo = nullptr);
@@ -600,6 +607,10 @@ public:
 
   ASTContext &getContext() const { return Context; }
   const LangOptions &getLangOpts() const { return LangOpts; }
+  const HeaderSearchOptions &getHeaderSearchOpts()
+    const { return HeaderSearchOpts; }
+  const PreprocessorOptions &getPreprocessorOpts()
+    const { return PreprocessorOpts; }
   const CodeGenOptions &getCodeGenOpts() const { return CodeGenOpts; }
   llvm::Module &getModule() const { return TheModule; }
   DiagnosticsEngine &getDiags() const { return Diags; }
diff --git a/clang/lib/CodeGen/ModuleBuilder.cpp b/clang/lib/CodeGen/ModuleBuilder.cpp
index 25e57401fd5..def56a96312 100644
--- a/clang/lib/CodeGen/ModuleBuilder.cpp
+++ b/clang/lib/CodeGen/ModuleBuilder.cpp
@@ -32,6 +32,8 @@ namespace {
     DiagnosticsEngine &Diags;
     std::unique_ptr<const llvm::DataLayout> TD;
     ASTContext *Ctx;
+    const HeaderSearchOptions &HeaderSearchOpts; // Only used for debug info.
+    const PreprocessorOptions &PreprocessorOpts; // Only used for debug info.
     const CodeGenOptions CodeGenOpts;  // Intentionally copied in.
 
     unsigned HandlingTopLevelDecls;
@@ -56,12 +58,15 @@ namespace {
     SmallVector<CXXMethodDecl *, 8> DeferredInlineMethodDefinitions;
 
   public:
-    CodeGeneratorImpl(DiagnosticsEngine &diags, const std::string& ModuleName,
-                      const CodeGenOptions &CGO, llvm::LLVMContext& C,
+    CodeGeneratorImpl(DiagnosticsEngine &diags, const std::string &ModuleName,
+                      const HeaderSearchOptions &HSO,
+                      const PreprocessorOptions &PPO, const CodeGenOptions &CGO,
+                      llvm::LLVMContext &C,
                       CoverageSourceInfo *CoverageInfo = nullptr)
-      : Diags(diags), Ctx(nullptr), CodeGenOpts(CGO), HandlingTopLevelDecls(0),
-        CoverageInfo(CoverageInfo),
-        M(new llvm::Module(ModuleName, C)) {}
+        : Diags(diags), Ctx(nullptr), HeaderSearchOpts(HSO),
+          PreprocessorOpts(PPO), CodeGenOpts(CGO), HandlingTopLevelDecls(0),
+          CoverageInfo(CoverageInfo),
+          M(new llvm::Module(ModuleName, C)) {}
 
     ~CodeGeneratorImpl() override {
       // There should normally not be any leftover inline method definitions.
@@ -97,7 +102,10 @@ namespace {
       M->setDataLayout(Ctx->getTargetInfo().getTargetDescription());
       TD.reset(
           new llvm::DataLayout(Ctx->getTargetInfo().getTargetDescription()));
-      Builder.reset(new CodeGen::CodeGenModule(Context, CodeGenOpts, *M, *TD,
+      Builder.reset(new CodeGen::CodeGenModule(Context,
+                                               HeaderSearchOpts,
+                                               PreprocessorOpts,
+                                               CodeGenOpts, *M, *TD,
                                                Diags, CoverageInfo));
 
       for (size_t i = 0, e = CodeGenOpts.DependentLibraries.size(); i < e; ++i)
@@ -236,10 +244,11 @@ namespace {
 
 void CodeGenerator::anchor() { }
 
-CodeGenerator *clang::CreateLLVMCodeGen(DiagnosticsEngine &Diags,
-                                        const std::string& ModuleName,
-                                        const CodeGenOptions &CGO,
-                                        llvm::LLVMContext& C,
-                                        CoverageSourceInfo *CoverageInfo) {
-  return new CodeGeneratorImpl(Diags, ModuleName, CGO, C, CoverageInfo);
+CodeGenerator *clang::CreateLLVMCodeGen(
+    DiagnosticsEngine &Diags, const std::string &ModuleName,
+    const HeaderSearchOptions &HeaderSearchOpts,
+    const PreprocessorOptions &PreprocessorOpts, const CodeGenOptions &CGO,
+    llvm::LLVMContext &C, CoverageSourceInfo *CoverageInfo) {
+  return new CodeGeneratorImpl(Diags, ModuleName, HeaderSearchOpts,
+                               PreprocessorOpts, CGO, C, CoverageInfo);
 }