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Make PointerSize & Shift be enums

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Fix problem with recursive merging


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@4570 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2002-11-06 18:01:39 +00:00
parent 75310d59c9
commit 2c0bd014c5
1 changed files with 1 additions and 6 deletions
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7
lib/Analysis/DataStructure/DataStructure.cpp
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@ -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.