commit da044747519b98d6579c6fd0638c863ee3506cb3
author Chris Lattner <sabre@nondot.org> Sat Sep 12 21:06:08 2009 +0000
committer Chris Lattner <sabre@nondot.org> Sat Sep 12 21:06:08 2009 +0000
tree e5ee3ecbb411401873b05cb678e5d315c2b34891
parent 6874849b9aa710a542b2263e335bd9fe8e073d0b

factor MBB label lowering better



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81630 91177308-0d34-0410-b5e6-96231b3b80d8

lib/Target/X86/AsmPrinter/X86MCInstLower.cpp

diff --git a/lib/Target/X86/AsmPrinter/X86MCInstLower.cpp b/lib/Target/X86/AsmPrinter/X86MCInstLower.cpp
index 625be15..023882c 100644
--- a/lib/Target/X86/AsmPrinter/X86MCInstLower.cpp
+++ b/lib/Target/X86/AsmPrinter/X86MCInstLower.cpp
@@ -45,13 +45,12 @@
   return Ctx.GetOrCreateSymbol(Name.str());
 }
 
-MCOperand X86MCInstLower::LowerMBBOperand(const MachineOperand &MO) const {
+MCSymbol *X86MCInstLower::GetMBBSymbol(unsigned MBBID) const {
   SmallString<60> Name;
   raw_svector_ostream(Name) << AsmPrinter.MAI->getPrivateGlobalPrefix() << "BB"
-      << AsmPrinter.getFunctionNumber() << '_' << MO.getMBB()->getNumber();
+      << AsmPrinter.getFunctionNumber() << '_' << MBBID;
 
-  MCSymbol *Sym = Ctx.GetOrCreateSymbol(Name.str());
-  return MCOperand::CreateExpr(MCSymbolRefExpr::Create(Sym, Ctx));
+  return Ctx.GetOrCreateSymbol(Name.str());
 }
 
 
@@ -320,7 +319,8 @@
       MCOp = MCOperand::CreateImm(MO.getImm());
       break;
     case MachineOperand::MO_MachineBasicBlock:
-      MCOp = LowerMBBOperand(MO);
+      MCOp = MCOperand::CreateExpr(MCSymbolRefExpr::Create(
+                              GetMBBSymbol(MO.getMBB()->getNumber()), Ctx));
       break;
     case MachineOperand::MO_GlobalAddress:
       MCOp = LowerSymbolOperand(MO, GetGlobalAddressSymbol(MO));