From cb8326dc09d900688b2d15bd9c977d1c3b722427 Mon Sep 17 00:00:00 2001
From: Daniel Dunbar <daniel@zuster.org>
Date: Wed, 26 May 2010 21:48:55 +0000
Subject: [PATCH] MC: Add TargetMachine support for setting the value of
 MCRelaxAll with -filetype=obj.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@104747 91177308-0d34-0410-b5e6-96231b3b80d8
---
 include/llvm/Target/TargetMachine.h | 12 +++++++++++-
 lib/CodeGen/LLVMTargetMachine.cpp   |  6 ++++--
 lib/Target/TargetMachine.cpp        |  3 ++-
 3 files changed, 17 insertions(+), 4 deletions(-)

diff --git a/include/llvm/Target/TargetMachine.h b/include/llvm/Target/TargetMachine.h
index bffba181391..227499b3705 100644
--- a/include/llvm/Target/TargetMachine.h
+++ b/include/llvm/Target/TargetMachine.h
@@ -101,7 +101,9 @@ protected: // Can only create subclasses.
   /// AsmInfo - Contains target specific asm information.
   ///
   const MCAsmInfo *AsmInfo;
-  
+
+  unsigned MCRelaxAll : 1;
+
 public:
   virtual ~TargetMachine();
 
@@ -158,6 +160,14 @@ public:
   /// 
   virtual const TargetELFWriterInfo *getELFWriterInfo() const { return 0; }
 
+  /// hasMCRelaxAll - Check whether all machine code instructions should be
+  /// relaxed.
+  bool hasMCRelaxAll() const { return MCRelaxAll; }
+
+  /// setMCRelaxAll - Set whether all machine code instructions should be
+  /// relaxed.
+  void setMCRelaxAll(bool Value) { MCRelaxAll = Value; }
+
   /// getRelocationModel - Returns the code generation relocation model. The
   /// choices are static, PIC, and dynamic-no-pic, and target default.
   static Reloc::Model getRelocationModel();
diff --git a/lib/CodeGen/LLVMTargetMachine.cpp b/lib/CodeGen/LLVMTargetMachine.cpp
index 48c42406e17..b584704bff3 100644
--- a/lib/CodeGen/LLVMTargetMachine.cpp
+++ b/lib/CodeGen/LLVMTargetMachine.cpp
@@ -160,8 +160,10 @@ bool LLVMTargetMachine::addPassesToEmitFile(PassManagerBase &PM,
     TargetAsmBackend *TAB = getTarget().createAsmBackend(TargetTriple);
     if (MCE == 0 || TAB == 0)
       return true;
-    
-    AsmStreamer.reset(createMachOStreamer(*Context, *TAB, Out, MCE));
+
+    AsmStreamer.reset(getTarget().createObjectStreamer(TargetTriple, *Context,
+                                                       *TAB, Out, MCE,
+                                                       hasMCRelaxAll()));
     break;
   }
   case CGFT_Null:
diff --git a/lib/Target/TargetMachine.cpp b/lib/Target/TargetMachine.cpp
index b947b786a4f..df523688c58 100644
--- a/lib/Target/TargetMachine.cpp
+++ b/lib/Target/TargetMachine.cpp
@@ -212,7 +212,8 @@ FunctionSections("ffunction-sections",
 //
 
 TargetMachine::TargetMachine(const Target &T) 
-  : TheTarget(T), AsmInfo(0) {
+  : TheTarget(T), AsmInfo(0),
+    MCRelaxAll(false) {
   // Typically it will be subtargets that will adjust FloatABIType from Default
   // to Soft or Hard.
   if (UseSoftFloat)
-- 
2.34.1