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

4 files changed, 23 insertions, 0 deletions

diff --git a/lib/MC/CMakeLists.txt b/lib/MC/CMakeLists.txt
index 22afa7e..64625be 100644
--- a/lib/MC/CMakeLists.txt
+++ b/lib/MC/CMakeLists.txt
@@ -6,6 +6,7 @@ add_llvm_library(LLVMMC
   MCAsmStreamer.cpp
   MCAssembler.cpp
   MCCodeEmitter.cpp
+  MCCodeGenInfo.cpp
   MCContext.cpp
   MCDisassembler.cpp
   MCELF.cpp
diff --git a/lib/MC/MCCodeGenInfo.cpp b/lib/MC/MCCodeGenInfo.cpp
new file mode 100644
index 0000000..553cd97
--- /dev/null
+++ b/lib/MC/MCCodeGenInfo.cpp
@@ -0,0 +1,20 @@
+//===-- MCCodeGenInfo.cpp - Target CodeGen Info -----------------*- C++ -*-===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// This file tracks information about the target which can affect codegen,
+// asm parsing, and asm printing. For example, relocation model.
+//
+//===----------------------------------------------------------------------===//
+
+#include "llvm/MC/MCCodeGenInfo.h"
+using namespace llvm;
+
+void MCCodeGenInfo::InitMCCodeGenInfo(Reloc::Model RM) {
+  RelocationModel = RM;
+}
diff --git a/lib/MC/MCDisassembler/Disassembler.cpp b/lib/MC/MCDisassembler/Disassembler.cpp
index 19d7349..2004bae 100644
--- a/lib/MC/MCDisassembler/Disassembler.cpp
+++ b/lib/MC/MCDisassembler/Disassembler.cpp
@@ -41,6 +41,7 @@ LLVMDisasmContextRef LLVMCreateDisasm(const char *TripleName, void *DisInfo,
   // FIXME: We shouldn't need to initialize the Target(Machine)s.
   llvm::InitializeAllTargets();
   llvm::InitializeAllMCAsmInfos();
+  llvm::InitializeAllMCCodeGenInfos();
   llvm::InitializeAllMCRegisterInfos();
   llvm::InitializeAllAsmPrinters();
   llvm::InitializeAllAsmParsers();
diff --git a/lib/MC/MCDisassembler/EDDisassembler.cpp b/lib/MC/MCDisassembler/EDDisassembler.cpp
index 5448b5c..cae5416 100644
--- a/lib/MC/MCDisassembler/EDDisassembler.cpp
+++ b/lib/MC/MCDisassembler/EDDisassembler.cpp
@@ -108,6 +108,7 @@ void EDDisassembler::initialize() {
   
   InitializeAllTargetInfos();
   InitializeAllTargets();
+  InitializeAllMCCodeGenInfos();
   InitializeAllMCAsmInfos();
   InitializeAllMCRegisterInfos();
   InitializeAllMCSubtargetInfos();