ARM: Add a postRA pass to legalize stack offsets. Greedy approach (reserve IP).

src/IceTargetLoweringMIPS32.cpp

 //===- subzero/src/IceTargetLoweringMIPS32.cpp - MIPS32 lowering ----------===//
 //
 //                        The Subzero Code Generator
 //
 // This file is distributed under the University of Illinois Open Source
 // License. See LICENSE.TXT for details.
 //
 //===----------------------------------------------------------------------===//
 ///
 /// \file
@@ skipping 237 matching lines @@
     // live upon function entry.
     if (RegNum == RegMIPS32::Reg_SP) {
       Func->addImplicitArg(Reg);
       Reg->setIgnoreLiveness();
     }
   }
   return Reg;
 }
 
 void TargetMIPS32::emitVariable(const Variable *Var) const {
+  if (!BuildDefs::dump())
+    return;
   Ostream &Str = Ctx->getStrEmit();
   (void)Var;
   (void)Str;
   UnimplementedError(Func->getContext()->getFlags());
 }
 
 void TargetMIPS32::lowerArguments() {
   VarList &Args = Func->getArgs();
   if (Args.size() > 0)
     UnimplementedError(Func->getContext()->getFlags());
@@ skipping 441 matching lines @@
 void TargetDataMIPS32::lowerConstants() {
   if (Ctx->getFlags().getDisableTranslation())
     return;
   UnimplementedError(Ctx->getFlags());
 }
 
 TargetHeaderMIPS32::TargetHeaderMIPS32(GlobalContext *Ctx)
     : TargetHeaderLowering(Ctx) {}
 
 } // end of namespace Ice