Pass the target options through to code generation.

The code generation stuff is going to set attributes on the functions it
generates. To do that it needs the target options. Pass them through.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@175141 91177308-0d34-0410-b5e6-96231b3b80d8

6 files changed, 33 insertions, 10 deletions

diff --git a/include/clang/CodeGen/ModuleBuilder.h b/include/clang/CodeGen/ModuleBuilder.h
index ba9d1f9305..cda7863445 100644
--- a/include/clang/CodeGen/ModuleBuilder.h
+++ b/include/clang/CodeGen/ModuleBuilder.h
@@ -26,6 +26,7 @@ namespace clang {
   class DiagnosticsEngine;
   class LangOptions;
   class CodeGenOptions;
+  class TargetOptions;
 
   class CodeGenerator : public ASTConsumer {
     virtual void anchor();
@@ -40,6 +41,7 @@ namespace clang {
   CodeGenerator *CreateLLVMCodeGen(DiagnosticsEngine &Diags,
                                    const std::string &ModuleName,
                                    const CodeGenOptions &CGO,
+                                   const TargetOptions &TO,
                                    llvm::LLVMContext& C);
 }
 
diff --git a/lib/CodeGen/CGCall.cpp b/lib/CodeGen/CGCall.cpp
index e7b543a78c..6072f60135 100644
--- a/lib/CodeGen/CGCall.cpp
+++ b/lib/CodeGen/CGCall.cpp
@@ -26,6 +26,7 @@
 #include "llvm/IR/Attributes.h"
 #include "llvm/IR/DataLayout.h"
 #include "llvm/IR/InlineAsm.h"
+#include "llvm/MC/SubtargetFeature.h"
 #include "llvm/Support/CallSite.h"
 #include "llvm/Transforms/Utils/Local.h"
 using namespace clang;
@@ -1015,6 +1016,18 @@ void CodeGenModule::ConstructAttributeList(const CGFunctionInfo &FI,
   if (CodeGenOpts.NoImplicitFloat)
     FuncAttrs.addAttribute(llvm::Attribute::NoImplicitFloat);
 
+  if (!TargetOpts.CPU.empty())
+    FuncAttrs.addAttribute("target-cpu", TargetOpts.CPU);
+
+  if (TargetOpts.Features.size()) {
+    llvm::SubtargetFeatures Features;
+    for (std::vector<std::string>::const_iterator
+           it = TargetOpts.Features.begin(),
+           ie = TargetOpts.Features.end(); it != ie; ++it)
+      Features.AddFeature(*it);
+    FuncAttrs.addAttribute("target-features", Features.getString());
+  }
+
   QualType RetTy = FI.getReturnType();
   unsigned Index = 1;
   const ABIArgInfo &RetAI = FI.getReturnInfo();
diff --git a/lib/CodeGen/CodeGenAction.cpp b/lib/CodeGen/CodeGenAction.cpp
index 8e81d4d89b..8591961928 100644
--- a/lib/CodeGen/CodeGenAction.cpp
+++ b/lib/CodeGen/CodeGenAction.cpp
@@ -67,7 +67,7 @@ namespace clang {
       AsmOutStream(OS),
       Context(), 
       LLVMIRGeneration("LLVM IR Generation Time"),
-      Gen(CreateLLVMCodeGen(Diags, infile, compopts, C)),
+      Gen(CreateLLVMCodeGen(Diags, infile, compopts, targetopts, C)),
       LinkModule(LinkModule)
     {
       llvm::TimePassesIsEnabled = TimePasses;
diff --git a/lib/CodeGen/CodeGenModule.cpp b/lib/CodeGen/CodeGenModule.cpp
index ff2656548e..f725706f71 100644
--- a/lib/CodeGen/CodeGenModule.cpp
+++ b/lib/CodeGen/CodeGenModule.cpp
@@ -35,6 +35,7 @@
 #include "clang/Basic/Module.h"
 #include "clang/Basic/SourceManager.h"
 #include "clang/Basic/TargetInfo.h"
+#include "clang/Basic/TargetOptions.h"
 #include "clang/Frontend/CodeGenOptions.h"
 #include "llvm/ADT/APSInt.h"
 #include "llvm/ADT/Triple.h"
@@ -69,10 +70,11 @@ static CGCXXABI &createCXXABI(CodeGenModule &CGM) {
 
 
 CodeGenModule::CodeGenModule(ASTContext &C, const CodeGenOptions &CGO,
-                             llvm::Module &M, const llvm::DataLayout &TD,
+                             const TargetOptions &TO, llvm::Module &M,
+                             const llvm::DataLayout &TD,
                              DiagnosticsEngine &diags)
-  : Context(C), LangOpts(C.getLangOpts()), CodeGenOpts(CGO), TheModule(M),
-    TheDataLayout(TD), TheTargetCodeGenInfo(0), Diags(diags),
+  : Context(C), LangOpts(C.getLangOpts()), CodeGenOpts(CGO), TargetOpts(TO),
+    TheModule(M), TheDataLayout(TD), TheTargetCodeGenInfo(0), Diags(diags),
     ABI(createCXXABI(*this)), 
     Types(*this),
     TBAA(0),
diff --git a/lib/CodeGen/CodeGenModule.h b/lib/CodeGen/CodeGenModule.h
index 60106e0f20..f467ee79d4 100644
--- a/lib/CodeGen/CodeGenModule.h
+++ b/lib/CodeGen/CodeGenModule.h
@@ -65,6 +65,7 @@ namespace clang {
   class VarDecl;
   class LangOptions;
   class CodeGenOptions;
+  class TargetOptions;
   class DiagnosticsEngine;
   class AnnotateAttr;
   class CXXDestructorDecl;
@@ -222,6 +223,7 @@ class CodeGenModule : public CodeGenTypeCache {
   ASTContext &Context;
   const LangOptions &LangOpts;
   const CodeGenOptions &CodeGenOpts;
+  const TargetOptions &TargetOpts;
   llvm::Module &TheModule;
   const llvm::DataLayout &TheDataLayout;
   mutable const TargetCodeGenInfo *TheTargetCodeGenInfo;
@@ -378,8 +380,8 @@ class CodeGenModule : public CodeGenTypeCache {
   /// @}
 public:
   CodeGenModule(ASTContext &C, const CodeGenOptions &CodeGenOpts,
-                llvm::Module &M, const llvm::DataLayout &TD,
-                DiagnosticsEngine &Diags);
+                const TargetOptions &TargetOpts, llvm::Module &M,
+                const llvm::DataLayout &TD, DiagnosticsEngine &Diags);
 
   ~CodeGenModule();
 
diff --git a/lib/CodeGen/ModuleBuilder.cpp b/lib/CodeGen/ModuleBuilder.cpp
index 9421e0f74e..d6e5f0673f 100644
--- a/lib/CodeGen/ModuleBuilder.cpp
+++ b/lib/CodeGen/ModuleBuilder.cpp
@@ -31,13 +31,16 @@ namespace {
     OwningPtr<const llvm::DataLayout> TD;
     ASTContext *Ctx;
     const CodeGenOptions CodeGenOpts;  // Intentionally copied in.
+    const TargetOptions TargetOpts;    // Intentionally copied in.
   protected:
     OwningPtr<llvm::Module> M;
     OwningPtr<CodeGen::CodeGenModule> Builder;
   public:
     CodeGeneratorImpl(DiagnosticsEngine &diags, const std::string& ModuleName,
-                      const CodeGenOptions &CGO, llvm::LLVMContext& C)
-      : Diags(diags), CodeGenOpts(CGO), M(new llvm::Module(ModuleName, C)) {}
+                      const CodeGenOptions &CGO, const TargetOptions &TO,
+                      llvm::LLVMContext& C)
+      : Diags(diags), CodeGenOpts(CGO), TargetOpts(TO),
+        M(new llvm::Module(ModuleName, C)) {}
 
     virtual ~CodeGeneratorImpl() {}
 
@@ -55,7 +58,7 @@ namespace {
       M->setTargetTriple(Ctx->getTargetInfo().getTriple().getTriple());
       M->setDataLayout(Ctx->getTargetInfo().getTargetDescription());
       TD.reset(new llvm::DataLayout(Ctx->getTargetInfo().getTargetDescription()));
-      Builder.reset(new CodeGen::CodeGenModule(Context, CodeGenOpts,
+      Builder.reset(new CodeGen::CodeGenModule(Context, CodeGenOpts, TargetOpts,
                                                *M, *TD, Diags));
     }
 
@@ -122,6 +125,7 @@ void CodeGenerator::anchor() { }
 CodeGenerator *clang::CreateLLVMCodeGen(DiagnosticsEngine &Diags,
                                         const std::string& ModuleName,
                                         const CodeGenOptions &CGO,
+                                        const TargetOptions &TO,
                                         llvm::LLVMContext& C) {
-  return new CodeGeneratorImpl(Diags, ModuleName, CGO, C);
+  return new CodeGeneratorImpl(Diags, ModuleName, CGO, TO, C);
 }