Subzero: Fix trailing whitespace errors.

src/IceInst.cpp

 //===- subzero/src/IceInst.cpp - High-level instruction implementation ----===//
 //
 //                        The Subzero Code Generator
 //
 // This file is distributed under the University of Illinois Open Source
 // License. See LICENSE.TXT for details.
 //
 //===----------------------------------------------------------------------===//
 ///
 /// \file
@@ skipping 929 matching lines @@
   Str << "bundle_unlock";
 }
 
 void InstFakeDef::emit(const Cfg *Func) const {
   if (!BuildDefs::dump())
     return;
   // Go ahead and "emit" these for now, since they are relatively rare.
   Ostream &Str = Func->getContext()->getStrEmit();
   Str << "\t# ";
   getDest()->emit(Func);
-  Str << " = def.pseudo ";
+  Str << " = def.pseudo";
+  if (getSrcSize() > 0)
+    Str << " ";
   emitSources(Func);
   Str << "\n";
 }
 
 void InstFakeDef::dump(const Cfg *Func) const {
   if (!BuildDefs::dump())
     return;
   Ostream &Str = Func->getContext()->getStrDump();
   dumpDest(Func);
   Str << " = def.pseudo ";
@@ skipping 48 matching lines @@
     // upper 32 bits of rax. We need to recognize and preserve these.
     return true;
   }
   if (!Dest->hasReg() && !SrcVar->hasReg() &&
       Dest->getStackOffset() == SrcVar->getStackOffset())
     return true;
   return false;
 }
 
 } // end of namespace Ice