simplify some code

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@36427 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/VMCore/Function.cpp b/lib/VMCore/Function.cpp
index e39536680327b223a67e176a53c7f2ea452c12e5..8b91c18ffff8e389f333593821d9eaa44e462ac0 100644 (file)
--- a/lib/VMCore/Function.cpp
+++ b/lib/VMCore/Function.cpp
@@ -307,11 +307,8 @@ Value *IntrinsicInst::StripPointerCasts(Value *Ptr) {
     if (isa<PointerType>(CI->getOperand(0)->getType()))
       return StripPointerCasts(CI->getOperand(0));
   } else if (GetElementPtrInst *GEP = dyn_cast<GetElementPtrInst>(Ptr)) {
-    for (unsigned i = 1, e = GEP->getNumOperands(); i != e; ++i)
-      if (!isa<Constant>(GEP->getOperand(i)) ||
-          !cast<Constant>(GEP->getOperand(i))->isNullValue())
-        return Ptr;
-    return StripPointerCasts(GEP->getOperand(0));
+    if (GEP->hasAllZeroIndices())
+      return StripPointerCasts(GEP->getOperand(0));
   }
   return Ptr;
 }