[mips] The naming convention for private labels is ABI dependant.

Summary:
For N32/N64, private labels begin with '.L' but for O32 they begin with '$'.

MCAsmInfo now has an initializer function which can be used to provide information from the TargetMachine to control the assembly syntax.

Reviewers: vkalintiris

Reviewed By: vkalintiris

Subscribers: jfb, sandeep, llvm-commits, rafael

Differential Revision: http://reviews.llvm.org/D9821

llvm-svn: 237789

1 files changed, 13 insertions, 2 deletions

diff --git a/llvm/lib/Target/Mips/MCTargetDesc/MipsMCAsmInfo.cpp b/llvm/lib/Target/Mips/MCTargetDesc/MipsMCAsmInfo.cpp
index e2bd5a815ab..b47ca0b5cb5 100644
--- a/llvm/lib/Target/Mips/MCTargetDesc/MipsMCAsmInfo.cpp
+++ b/llvm/lib/Target/Mips/MCTargetDesc/MipsMCAsmInfo.cpp
@@ -12,7 +12,10 @@
 //===----------------------------------------------------------------------===//
 
 #include "MipsMCAsmInfo.h"
+#include "MCTargetDesc/MipsABIInfo.h"
+#include "MipsTargetMachine.h"
 #include "llvm/ADT/Triple.h"
+#include "llvm/Target/TargetMachine.h"
 
 using namespace llvm;
 
@@ -29,12 +32,14 @@ MipsMCAsmInfo::MipsMCAsmInfo(StringRef TT) {
     PointerSize = CalleeSaveStackSlotSize = 8;
   }
 
+  // These two are overridden in finishInit()
+  PrivateGlobalPrefix = "$";
+  PrivateLabelPrefix  = "$";
+
   AlignmentIsInBytes          = false;
   Data16bitsDirective         = "\t.2byte\t";
   Data32bitsDirective         = "\t.4byte\t";
   Data64bitsDirective         = "\t.8byte\t";
-  PrivateGlobalPrefix         = "$";
-  PrivateLabelPrefix          = "$";
   CommentString               = "#";
   ZeroDirective               = "\t.space\t";
   GPRel32Directive            = "\t.gpword\t";
@@ -44,3 +49,9 @@ MipsMCAsmInfo::MipsMCAsmInfo(StringRef TT) {
   ExceptionsType = ExceptionHandling::DwarfCFI;
   DwarfRegNumForCFI = true;
 }
+
+void MipsMCAsmInfo::finishInit(const LLVMTargetMachine &TM) {
+  const MipsABIInfo &ABI = static_cast<const MipsTargetMachine &>(TM).getABI();
+  PrivateGlobalPrefix = ABI.GetPrivateLabelPrefix();
+  PrivateLabelPrefix  = ABI.GetPrivateLabelPrefix();
+}