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

3 files changed, 19 insertions, 9 deletions

diff --git a/lib/Target/SystemZ/MCTargetDesc/SystemZMCTargetDesc.cpp b/lib/Target/SystemZ/MCTargetDesc/SystemZMCTargetDesc.cpp
index 70d6c49302..79c41d889b 100644
--- a/lib/Target/SystemZ/MCTargetDesc/SystemZMCTargetDesc.cpp
+++ b/lib/Target/SystemZ/MCTargetDesc/SystemZMCTargetDesc.cpp
@@ -67,3 +67,16 @@ extern "C" void LLVMInitializeSystemZMCSubtargetInfo() {
 extern "C" void LLVMInitializeSystemZMCAsmInfo() {
   RegisterMCAsmInfo<SystemZMCAsmInfo> X(TheSystemZTarget);
 }
+
+MCCodeGenInfo *createSystemZMCCodeGenInfo(StringRef TT, Reloc::Model RM) {
+  MCCodeGenInfo *X = new MCCodeGenInfo();
+  if (RM == Reloc::Default)
+    RM = Reloc::Static;
+  X->InitMCCodeGenInfo(RM);
+  return X;
+}
+
+extern "C" void LLVMInitializeSystemZMCCodeGenInfo() {
+  TargetRegistry::RegisterMCCodeGenInfo(TheSystemZTarget,
+                                        createSystemZMCCodeGenInfo);
+}
diff --git a/lib/Target/SystemZ/SystemZTargetMachine.cpp b/lib/Target/SystemZ/SystemZTargetMachine.cpp
index 48298cc744..afa455ea25 100644
--- a/lib/Target/SystemZ/SystemZTargetMachine.cpp
+++ b/lib/Target/SystemZ/SystemZTargetMachine.cpp
@@ -21,18 +21,15 @@ extern "C" void LLVMInitializeSystemZTarget() {
 /// SystemZTargetMachine ctor - Create an ILP64 architecture model
 ///
 SystemZTargetMachine::SystemZTargetMachine(const Target &T,
-                                           const std::string &TT,
-                                           const std::string &CPU,
-                                           const std::string &FS)
-  : LLVMTargetMachine(T, TT, CPU, FS),
+                                           StringRef TT,
+                                           StringRef CPU,
+                                           StringRef FS, Reloc::Model RM)
+  : LLVMTargetMachine(T, TT, CPU, FS, RM),
     Subtarget(TT, CPU, FS),
     DataLayout("E-p:64:64:64-i8:8:16-i16:16:16-i32:32:32-i64:64:64-f32:32:32"
                "-f64:64:64-f128:128:128-a0:16:16-n32:64"),
     InstrInfo(*this), TLInfo(*this), TSInfo(*this),
     FrameLowering(Subtarget) {
-
-  if (getRelocationModel() == Reloc::Default)
-    setRelocationModel(Reloc::Static);
 }
 
 bool SystemZTargetMachine::addInstSelector(PassManagerBase &PM,
diff --git a/lib/Target/SystemZ/SystemZTargetMachine.h b/lib/Target/SystemZ/SystemZTargetMachine.h
index e40b556c0c..9008b80e21 100644
--- a/lib/Target/SystemZ/SystemZTargetMachine.h
+++ b/lib/Target/SystemZ/SystemZTargetMachine.h
@@ -37,8 +37,8 @@ class SystemZTargetMachine : public LLVMTargetMachine {
   SystemZSelectionDAGInfo TSInfo;
   SystemZFrameLowering    FrameLowering;
 public:
-  SystemZTargetMachine(const Target &T, const std::string &TT,
-                       const std::string &CPU, const std::string &FS);
+  SystemZTargetMachine(const Target &T, StringRef TT,
+                       StringRef CPU, StringRef FS, Reloc::Model RM);
 
   virtual const TargetFrameLowering *getFrameLowering() const {
     return &FrameLowering;