Changed code to ignore Phi Nodes in PhyRegAlloc
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@1253 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/RegAlloc/PhyRegAlloc.cpp b/lib/CodeGen/RegAlloc/PhyRegAlloc.cpp
index 8e4530c..bc82565 100644
--- a/lib/CodeGen/RegAlloc/PhyRegAlloc.cpp
+++ b/lib/CodeGen/RegAlloc/PhyRegAlloc.cpp
@@ -355,6 +355,11 @@
MachineInstr *MInst = *MInstIterator;
+ // do not process Phis
+ if( (TM.getInstrInfo()).isPhi( MInst->getOpCode()) )
+ continue;
+
+
// if this machine instr is call, insert caller saving code
if( (TM.getInstrInfo()).isCall( MInst->getOpCode()) )
@@ -579,7 +584,7 @@
} // if !DEF
cerr << "\nFor Inst " << *MInst;
- cerr << "\n - SPILLED LR:"; LR->printSet();
+ cerr << " - SPILLED LR: "; LR->printSet();
cerr << "\n - Added Instructions:";
if( MIBef ) cerr << *MIBef;
cerr << *AdIMid;
diff --git a/lib/CodeGen/RegAlloc/RegClass.cpp b/lib/CodeGen/RegAlloc/RegClass.cpp
index 1219147..d0f1c44 100644
--- a/lib/CodeGen/RegAlloc/RegClass.cpp
+++ b/lib/CodeGen/RegAlloc/RegClass.cpp
@@ -82,6 +82,8 @@
// now push NON-constrined ones, if any
NeedMoreSpills = ! pushUnconstrainedIGNodes();
+ cerr << "\nConstrained IG Node found !@!" << IGNodeSpill->getIndex();
+
} while( NeedMoreSpills ); // repeat until we have pushed all
}