[llvm] r274402 - PeepholeOptimizer: Relax assert

[Matt Arsenault via llvm-commits]

Author: arsenm
Date: Fri Jul  1 18:15:06 2016
New Revision: 274402

URL: http://llvm.org/viewvc/llvm-project?rev=274402&view=rev
Log:
PeepholeOptimizer: Relax assert

Allow implicit defs

Modified:
    llvm/trunk/lib/CodeGen/PeepholeOptimizer.cpp

Modified: llvm/trunk/lib/CodeGen/PeepholeOptimizer.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/CodeGen/PeepholeOptimizer.cpp?rev=274402&r1=274401&r2=274402&view=diff
==============================================================================
--- llvm/trunk/lib/CodeGen/PeepholeOptimizer.cpp (original)
+++ llvm/trunk/lib/CodeGen/PeepholeOptimizer.cpp Fri Jul  1 18:15:06 2016
@@ -1887,8 +1887,10 @@ ValueTrackerResult ValueTracker::getNext
   assert(Def && "This method needs a valid definition");
 
   assert(
-      (DefIdx < Def->getDesc().getNumDefs() || Def->getDesc().isVariadic()) &&
-      Def->getOperand(DefIdx).isDef() && "Invalid DefIdx");
+      (Def->getOperand(DefIdx).isDef() &&
+       (DefIdx < Def->getDesc().getNumDefs() || Def->getDesc().isVariadic()) ||
+       Def->getOperand(DefIdx).isImplicit()) &&
+       "Invalid DefIdx");
   if (Def->isCopy())
     return getNextSourceFromCopy();
   if (Def->isBitcast())