Remove dead code. Improve llvm_unreachable text. Simplify some control flow.

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

diff --git a/lib/CodeGen/LiveInterval.cpp b/lib/CodeGen/LiveInterval.cpp
index 0dbaaf804b62cefe36e16463ae5fbd8fb776e54d..ac18843ac30d41e3d355c9ccda78a6b93e50f73a 100644 (file)
--- a/lib/CodeGen/LiveInterval.cpp
+++ b/lib/CodeGen/LiveInterval.cpp
@@ -381,8 +381,10 @@ void LiveInterval::join(LiveInterval &Other,
   for (unsigned i = 0; i != NumVals; ++i) {
     unsigned LHSValID = LHSValNoAssignments[i];
     if (i != LHSValID ||
-        (NewVNInfo[LHSValID] && NewVNInfo[LHSValID] != getValNumInfo(i)))
+        (NewVNInfo[LHSValID] && NewVNInfo[LHSValID] != getValNumInfo(i))) {
       MustMapCurValNos = true;
+      break;
+    }
   }
 
   // If we have to apply a mapping to our base interval assignment, rewrite it
@@ -640,8 +642,6 @@ void LiveInterval::print(raw_ostream &OS, const TargetRegisterInfo *TRI) const {
           OS << "-phidef";
         if (vni->hasPHIKill())
           OS << "-phikill";
-        if (vni->hasRedefByEC())
-          OS << "-ec";
       }
     }
   }