Introduce MCCodeGenInfo, which keeps information that can affect codegen

(including compilation, assembly). Move relocation model Reloc::Model from
TargetMachine to MCCodeGenInfo so it's accessible even without TargetMachine.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135468 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 8 insertions, 16 deletions

diff --git a/include/llvm/Target/TargetMachine.h b/include/llvm/Target/TargetMachine.h
index ac41a58ccd..f4c845ab27 100644
--- a/include/llvm/Target/TargetMachine.h
+++ b/include/llvm/Target/TargetMachine.h
@@ -14,6 +14,7 @@
 #ifndef LLVM_TARGET_TARGETMACHINE_H
 #define LLVM_TARGET_TARGETMACHINE_H
 
+#include "llvm/MC/MCCodeGenInfo.h"
 #include "llvm/ADT/StringRef.h"
 #include <cassert>
 #include <string>
@@ -23,6 +24,7 @@ namespace llvm {
 class InstrItineraryData;
 class JITCodeEmitter;
 class MCAsmInfo;
+class MCCodeGenInfo;
 class MCContext;
 class Pass;
 class PassManager;
@@ -41,16 +43,6 @@ class TargetSubtargetInfo;
 class formatted_raw_ostream;
 class raw_ostream;
 
-// Relocation model types.
-namespace Reloc {
-  enum Model {
-    Default,
-    Static,
-    PIC_,         // Cannot be named PIC due to collision with -DPIC
-    DynamicNoPIC
-  };
-}
-
 // Code model types.
 namespace CodeModel {
   enum Model {
@@ -108,6 +100,10 @@ protected: // Can only create subclasses.
   std::string TargetCPU;
   std::string TargetFS;
 
+  /// CodeGenInfo - Low level target information such as relocation model.
+  ///
+  const MCCodeGenInfo *CodeGenInfo;
+
   /// AsmInfo - Contains target specific asm information.
   ///
   const MCAsmInfo *AsmInfo;
@@ -214,11 +210,7 @@ public:
 
   /// getRelocationModel - Returns the code generation relocation model. The
   /// choices are static, PIC, and dynamic-no-pic, and target default.
-  static Reloc::Model getRelocationModel();
-
-  /// setRelocationModel - Sets the code generation relocation model.
-  ///
-  static void setRelocationModel(Reloc::Model Model);
+  Reloc::Model getRelocationModel() const;
 
   /// getCodeModel - Returns the code model. The choices are small, kernel,
   /// medium, large, and target default.
@@ -309,7 +301,7 @@ public:
 class LLVMTargetMachine : public TargetMachine {
 protected: // Can only create subclasses.
   LLVMTargetMachine(const Target &T, StringRef TargetTriple,
-                    StringRef CPU, StringRef FS);
+                    StringRef CPU, StringRef FS, Reloc::Model RM);
 
 private:
   /// addCommonCodeGenPasses - Add standard LLVM codegen passes used for