Rename ConstantSDNode::getValue to getZExtValue, for consistency
with ConstantInt. This led to fixing a bug in TargetLowering.cpp
using getValue instead of getAPIntValue.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56159 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/PowerPC/PPCHazardRecognizers.cpp b/lib/Target/PowerPC/PPCHazardRecognizers.cpp
index 480e277..b9b7496 100644
--- a/lib/Target/PowerPC/PPCHazardRecognizers.cpp
+++ b/lib/Target/PowerPC/PPCHazardRecognizers.cpp
@@ -101,8 +101,8 @@
         if (ConstantSDNode *LoadOffset = dyn_cast<ConstantSDNode>(Ptr1)) {
           // Okay the base pointers match, so we have [c1+r] vs [c2+r].  Check
           // to see if the load and store actually overlap.
-          int StoreOffs = StoreOffset->getValue();
-          int LoadOffs  = LoadOffset->getValue();
+          int StoreOffs = StoreOffset->getZExtValue();
+          int LoadOffs  = LoadOffset->getZExtValue();
           if (StoreOffs < LoadOffs) {
             if (int(StoreOffs+StoreSize[i]) > LoadOffs) return true;
           } else {