Revert changes r97693, r97700, and r97718.

Our testing framework can't deal with disabled targets yet.



git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@97719 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/CGBuiltin.cpp b/lib/CodeGen/CGBuiltin.cpp
index 37435cd..df6ac7f 100644
--- a/lib/CodeGen/CGBuiltin.cpp
+++ b/lib/CodeGen/CGBuiltin.cpp
@@ -21,9 +21,6 @@
 #include "clang/Basic/TargetBuiltins.h"
 #include "llvm/Intrinsics.h"
 #include "llvm/Target/TargetData.h"
-#include "llvm/Target/TargetLowering.h"
-#include "llvm/Target/TargetMachine.h"
-#include "llvm/Target/TargetRegisterInfo.h"
 using namespace clang;
 using namespace CodeGen;
 using namespace llvm;
@@ -410,18 +407,6 @@
     Value *F = CGM.getIntrinsic(Intrinsic::eh_unwind_init, 0, 0);
     return RValue::get(Builder.CreateCall(F));
   }
-  case Builtin::BI__builtin_dwarf_sp_column: {
-    const llvm::TargetMachine &Machine = CGM.getTargetMachine();
-    llvm::TargetLowering *TL = Machine.getTargetLowering();
-    assert(TL && "need lowering to codegen __builtin_dwarf_sp_column");
-    const llvm::TargetRegisterInfo *TRI = Machine.getRegisterInfo();
-    assert(TRI && "need register info to codegen __builtin_dwarf_sp_column");
-    unsigned SP = TL->getStackPointerRegisterToSaveRestore();
-    int DwarfSP = TRI->getDwarfRegNum(SP, /*for EH*/ true);
-
-    return RValue::get(
-      llvm::ConstantInt::getSigned(cast<IntegerType>(LLVMIntTy), DwarfSP));
-  }
   case Builtin::BI__builtin_extend_pointer: {
     // Extends a pointer to the size of an _Unwind_Word, which is
     // uint64_t on all platforms.  Generally this gets poked into a
diff --git a/lib/CodeGen/CodeGenModule.cpp b/lib/CodeGen/CodeGenModule.cpp
index 89e6490..bc2bd6c 100644
--- a/lib/CodeGen/CodeGenModule.cpp
+++ b/lib/CodeGen/CodeGenModule.cpp
@@ -40,12 +40,11 @@
 
 
 CodeGenModule::CodeGenModule(ASTContext &C, const CodeGenOptions &CGO,
-                             llvm::Module &M, const llvm::TargetMachine &TM,
-                             const llvm::TargetData &TD, Diagnostic &diags)
+                             llvm::Module &M, const llvm::TargetData &TD,
+                             Diagnostic &diags)
   : BlockModule(C, M, TD, Types, *this), Context(C),
     Features(C.getLangOptions()), CodeGenOpts(CGO), TheModule(M),
-    TheTargetMachine(TM), TheTargetData(TD), TheTargetCodeGenInfo(0),
-    Diags(diags),
+    TheTargetData(TD), TheTargetCodeGenInfo(0), Diags(diags),
     Types(C, M, TD, getTargetCodeGenInfo().getABIInfo()),
     MangleCtx(C), VtableInfo(*this), Runtime(0),
     MemCpyFn(0), MemMoveFn(0), MemSetFn(0), CFConstantStringClassRef(0),
diff --git a/lib/CodeGen/CodeGenModule.h b/lib/CodeGen/CodeGenModule.h
index 8b9a0f2..ac83326 100644
--- a/lib/CodeGen/CodeGenModule.h
+++ b/lib/CodeGen/CodeGenModule.h
@@ -38,7 +38,6 @@
   class Function;
   class GlobalValue;
   class TargetData;
-  class TargetMachine;
   class FunctionType;
   class LLVMContext;
 }
@@ -87,7 +86,6 @@
   const LangOptions &Features;
   const CodeGenOptions &CodeGenOpts;
   llvm::Module &TheModule;
-  const llvm::TargetMachine &TheTargetMachine;
   const llvm::TargetData &TheTargetData;
   mutable const TargetCodeGenInfo *TheTargetCodeGenInfo;
   Diagnostic &Diags;
@@ -170,8 +168,7 @@
   llvm::LLVMContext &VMContext;
 public:
   CodeGenModule(ASTContext &C, const CodeGenOptions &CodeGenOpts,
-                llvm::Module &M, const llvm::TargetMachine &TM,
-                const llvm::TargetData &TD, Diagnostic &Diags);
+                llvm::Module &M, const llvm::TargetData &TD, Diagnostic &Diags);
 
   ~CodeGenModule();
 
@@ -201,9 +198,6 @@
   const llvm::TargetData &getTargetData() const { return TheTargetData; }
   llvm::LLVMContext &getLLVMContext() { return VMContext; }
   const TargetCodeGenInfo &getTargetCodeGenInfo() const;
-  const llvm::TargetMachine &getTargetMachine() const {
-    return TheTargetMachine;
-  }
 
   /// getDeclVisibilityMode - Compute the visibility of the decl \arg D.
   LangOptions::VisibilityMode getDeclVisibilityMode(const Decl *D) const;
diff --git a/lib/CodeGen/ModuleBuilder.cpp b/lib/CodeGen/ModuleBuilder.cpp
index 4ae18bb..1e1edc1 100644
--- a/lib/CodeGen/ModuleBuilder.cpp
+++ b/lib/CodeGen/ModuleBuilder.cpp
@@ -29,7 +29,6 @@
   class CodeGeneratorImpl : public CodeGenerator {
     Diagnostic &Diags;
     llvm::OwningPtr<const llvm::TargetData> TD;
-    const llvm::TargetMachine &TM;
     ASTContext *Ctx;
     const CodeGenOptions CodeGenOpts;  // Intentionally copied in.
   protected:
@@ -37,11 +36,8 @@
     llvm::OwningPtr<CodeGen::CodeGenModule> Builder;
   public:
     CodeGeneratorImpl(Diagnostic &diags, const std::string& ModuleName,
-                      const CodeGenOptions &CGO,
-                      const llvm::TargetMachine &TM,
-                      llvm::LLVMContext& C)
-      : Diags(diags), TM(TM), CodeGenOpts(CGO),
-        M(new llvm::Module(ModuleName, C)) {}
+                      const CodeGenOptions &CGO, llvm::LLVMContext& C)
+      : Diags(diags), CodeGenOpts(CGO), M(new llvm::Module(ModuleName, C)) {}
 
     virtual ~CodeGeneratorImpl() {}
 
@@ -60,7 +56,7 @@
       M->setDataLayout(Ctx->Target.getTargetDescription());
       TD.reset(new llvm::TargetData(Ctx->Target.getTargetDescription()));
       Builder.reset(new CodeGen::CodeGenModule(Context, CodeGenOpts,
-                                               *M, TM, *TD, Diags));
+                                               *M, *TD, Diags));
     }
 
     virtual void HandleTopLevelDecl(DeclGroupRef DG) {
@@ -99,7 +95,6 @@
 CodeGenerator *clang::CreateLLVMCodeGen(Diagnostic &Diags,
                                         const std::string& ModuleName,
                                         const CodeGenOptions &CGO,
-                                        const llvm::TargetMachine &Machine,
                                         llvm::LLVMContext& C) {
-  return new CodeGeneratorImpl(Diags, ModuleName, CGO, Machine, C);
+  return new CodeGeneratorImpl(Diags, ModuleName, CGO, C);
 }