Correctly add an array marker on a node when appropriate!

llvm-svn: 12055
2004-03-01 19:02:54 +00:00 · 2004-03-01 19:02:54 +00:00 · c8d23b19fb
parent 88cc178e3b
commit c8d23b19fb
1 changed files with 4 additions and 0 deletions
--- a/llvm/lib/Analysis/DataStructure/Local.cpp
+++ b/llvm/lib/Analysis/DataStructure/Local.cpp
@ -383,6 +383,10 @@ void GraphBuilder::visitGetElementPtrInst(User &GEP) {
    if (const StructType *STy = dyn_cast<StructType>(*I)) {
      unsigned FieldNo = cast<ConstantUInt>(I.getOperand())->getValue();
      Offset += TD.getStructLayout(STy)->MemberOffsets[FieldNo];
+    } else if (const PointerType *PTy = dyn_cast<PointerType>(*I)) {
+      if (!isa<Constant>(I.getOperand()) ||
+          !cast<Constant>(I.getOperand())->isNullValue())
+        Value.getNode()->setArrayMarker();
    }