Initial support for the cfi directives. This is just enough to get

f:
        .cfi_startproc
        nop
        .cfi_endproc

assembled (on ELF).

llvm-svn: 121434

1 files changed, 9 insertions, 22 deletions

diff --git a/llvm/lib/CodeGen/LLVMTargetMachine.cpp b/llvm/lib/CodeGen/LLVMTargetMachine.cpp
index 5954f62da95..af94365218c 100644
--- a/llvm/lib/CodeGen/LLVMTargetMachine.cpp
+++ b/llvm/lib/CodeGen/LLVMTargetMachine.cpp
@@ -24,6 +24,7 @@
 #include "llvm/Target/TargetOptions.h"
 #include "llvm/MC/MCAsmInfo.h"
 #include "llvm/MC/MCStreamer.h"
+#include "llvm/Target/TargetAsmInfo.h"
 #include "llvm/Target/TargetData.h"
 #include "llvm/Target/TargetRegistry.h"
 #include "llvm/Transforms/Scalar.h"
@@ -145,27 +146,12 @@ bool LLVMTargetMachine::addPassesToEmitFile(PassManagerBase &PM,
     if (ShowMCEncoding)
       MCE = getTarget().createCodeEmitter(*this, *Context);
 
-    const TargetLoweringObjectFile &TLOF =
-      getTargetLowering()->getObjFileLowering();
-    int PointerSize = getTargetData()->getPointerSize();
-
-    MCStreamer *S;
-    if (hasMCUseLoc())
-      S = getTarget().createAsmStreamer(*Context, Out,
-                                        getTargetData()->isLittleEndian(),
-                                        getVerboseAsm(),
-                                        InstPrinter,
-                                        MCE,
-                                        ShowMCInst);
-    else
-      S = createAsmStreamerNoLoc(*Context, Out,
-                                 getTargetData()->isLittleEndian(),
-                                 getVerboseAsm(),
-                                 &TLOF,
-                                 PointerSize,
-                                 InstPrinter,
-                                 MCE,
-                                 ShowMCInst);
+    MCStreamer *S = getTarget().createAsmStreamer(*Context, Out,
+                                                  getVerboseAsm(),
+                                                  hasMCUseLoc(),
+                                                  InstPrinter,
+                                                  MCE,
+                                                  ShowMCInst);
     AsmStreamer.reset(S);
     break;
   }
@@ -344,7 +330,8 @@ bool LLVMTargetMachine::addCommonCodeGenPasses(PassManagerBase &PM,
 
   // Install a MachineModuleInfo class, which is an immutable pass that holds
   // all the per-module stuff we're generating, including MCContext.
-  MachineModuleInfo *MMI = new MachineModuleInfo(*getMCAsmInfo());
+  TargetAsmInfo *TAI = new TargetAsmInfo(*this);
+  MachineModuleInfo *MMI = new MachineModuleInfo(*getMCAsmInfo(), TAI);
   PM.add(MMI);
   OutContext = &MMI->getContext(); // Return the MCContext specifically by-ref.