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Use unique_ptr to handle ownership of TreePatterns in CodeGenDAGPatterns::PatternFragments

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We might be able to use unique_ptr to handle ownership of the
TreePatternNodes too - looking into that next.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@221928 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
David Blaikie
2014-11-13 21:40:02 +00:00
parent 365df40768
commit bea87dad5e
3 changed files with 16 additions and 23 deletions
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utils/TableGen/CodeGenDAGPatterns.cpp
+8 -15
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@@ -2263,13 +2263,6 @@ CodeGenDAGPatterns::CodeGenDAGPatterns(RecordKeeper &R) :
VerifyInstructionFlags();
}
CodeGenDAGPatterns::~CodeGenDAGPatterns() {
for (pf_iterator I = PatternFragments.begin(),
E = PatternFragments.end(); I != E; ++I)
delete I->second;
}
Record *CodeGenDAGPatterns::getSDNodeNamed(const std::string &Name) const {
Record *N = Records.getDef(Name);
if (!N || !N->isSubClassOf("SDNode")) {
@@ -2331,9 +2324,9 @@ void CodeGenDAGPatterns::ParsePatternFragments(bool OutFrags) {
DagInit *Tree = Fragments[i]->getValueAsDag("Fragment");
TreePattern *P =
new TreePattern(Fragments[i], Tree,
!Fragments[i]->isSubClassOf("OutPatFrag"), *this);
PatternFragments[Fragments[i]] = P;
(PatternFragments[Fragments[i]] = llvm::make_unique<TreePattern>(
Fragments[i], Tree, !Fragments[i]->isSubClassOf("OutPatFrag"),
*this)).get();
// Validate the argument list, converting it to set, to discard duplicates.
std::vector<std::string> &Args = P->getArgList();
@@ -2391,16 +2384,16 @@ void CodeGenDAGPatterns::ParsePatternFragments(bool OutFrags) {
if (OutFrags != Fragments[i]->isSubClassOf("OutPatFrag"))
continue;
TreePattern *ThePat = PatternFragments[Fragments[i]];
ThePat->InlinePatternFragments();
TreePattern &ThePat = *PatternFragments[Fragments[i]];
ThePat.InlinePatternFragments();
// Infer as many types as possible. Don't worry about it if we don't infer
// all of them, some may depend on the inputs of the pattern.
ThePat->InferAllTypes();
ThePat->resetError();
ThePat.InferAllTypes();
ThePat.resetError();
// If debugging, print out the pattern fragment result.
DEBUG(ThePat->dump());
DEBUG(ThePat.dump());
}
}