X86 Peephole: fold loads to the source register operand if possible.

[oota-llvm.git] / lib / CodeGen / ExecutionDepsFix.cpp

diff --git a/lib/CodeGen/ExecutionDepsFix.cpp b/lib/CodeGen/ExecutionDepsFix.cpp
index a48c5400abcbec8a3bd3ae7c6946a723f28eb306..fee8e47b832cb47f5607ac74fcc5c05499a0c6a1 100644 (file)
--- a/lib/CodeGen/ExecutionDepsFix.cpp
+++ b/lib/CodeGen/ExecutionDepsFix.cpp
@@ -59,7 +59,7 @@ struct DomainValue {
 
   // Pointer to the next DomainValue in a chain.  When two DomainValues are
   // merged, Victim.Next is set to point to Victor, so old DomainValue
-  // references can be updated by folowing the chain.
+  // references can be updated by following the chain.
   DomainValue *Next;
 
   // Twiddleable instructions using or defining these registers.
@@ -666,7 +666,8 @@ bool ExeDepsFix::runOnMachineFunction(MachineFunction &mf) {
     // or -1.
     AliasMap.resize(TRI->getNumRegs(), -1);
     for (unsigned i = 0, e = RC->getNumRegs(); i != e; ++i)
-      for (const uint16_t *AI = TRI->getOverlaps(RC->getRegister(i)); *AI; ++AI)
+      for (MCRegAliasIterator AI(RC->getRegister(i), TRI, true);
+           AI.isValid(); ++AI)
         AliasMap[*AI] = i;
   }