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check in anton's patch to make inlining happen in a determinstic order

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and fix the bug that it uncovers: inlining a pattern fragment could bring
in other pattern fragments if the inlinee hadn't already been inlined.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52888 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2008-06-30 03:02:03 +00:00
parent 80c1a5622a
commit 2ca698df93
1 changed files with 6 additions and 4 deletions
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10
utils/TableGen/CodeGenDAGPatterns.cpp
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@ -679,7 +679,10 @@ TreePatternNode *TreePatternNode::InlinePatternFragments(TreePattern &TP) {
// Get a new copy of this fragment to stitch into here.
//delete this; // FIXME: implement refcounting!
return FragTree;
// The fragment we inlined could have recursive inlining that is needed. See
// if there are any pattern fragments in it and inline them as needed.
return FragTree->InlinePatternFragments(TP);
}
/// getImplicitType - Check to see if the specified record has an implicit
@ -1383,9 +1386,8 @@ void CodeGenDAGPatterns::ParsePatternFragments() {
// Now that we've parsed all of the tree fragments, do a closure on them so
// that there are not references to PatFrags left inside of them.
for (std::map<Record*, TreePattern*>::iterator I = PatternFragments.begin(),
E = PatternFragments.end(); I != E; ++I) {
TreePattern *ThePat = I->second;
for (unsigned i = 0, e = Fragments.size(); i != e; ++i) {
TreePattern *ThePat = PatternFragments[Fragments[i]];
ThePat->InlinePatternFragments();
// Infer as many types as possible. Don't worry about it if we don't infer