From 2b79f4b7c3b3f8f76515273386c82f8f707e1dc1 Mon Sep 17 00:00:00 2001 From: Chris Lattner Date: Wed, 6 Nov 2002 18:01:39 +0000 Subject: [PATCH] Make PointerSize & Shift be enums Fix problem with recursive merging llvm-svn: 4570 --- llvm/lib/Analysis/DataStructure/DataStructure.cpp | 7 +------ 1 file changed, 1 insertion(+), 6 deletions(-) diff --git a/llvm/lib/Analysis/DataStructure/DataStructure.cpp b/llvm/lib/Analysis/DataStructure/DataStructure.cpp index 77407ad47a95..740ece86f522 100644 --- a/llvm/lib/Analysis/DataStructure/DataStructure.cpp +++ b/llvm/lib/Analysis/DataStructure/DataStructure.cpp @@ -20,11 +20,6 @@ namespace { Statistic<> NumFolds("dsnode", "Number of nodes completely folded"); }; -namespace DS { - const unsigned PointerShift = 3; // 64bit ptrs = 3, 32 bit ptrs = 2 - const unsigned PointerSize = 1 << PointerShift; -}; - namespace DataStructureAnalysis { // TODO: FIXME // isPointerType - Return true if this first class type is big enough to hold // a pointer. @@ -392,7 +387,7 @@ void DSNode::mergeWith(const DSNodeHandle &NH, unsigned Offset) { } N = NH.getNode(); - if (this == N) return; + if (this == N || N == 0) return; // If both nodes are not at offset 0, make sure that we are merging the node // at an later offset into the node with the zero offset.