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IR: Invert logic to simplify control flow, NFC

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@225670 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Duncan P. N. Exon Smith 2015-01-12 19:45:44 +00:00
parent 2912990d86
commit 6fc29015ff
1 changed files with 5 additions and 8 deletions
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13
lib/IR/Metadata.cpp
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@ -451,19 +451,16 @@ void GenericMDNode::resolve() {
void GenericMDNode::resolveAfterOperandChange(Metadata *Old, Metadata *New) {
assert(SubclassData32 != 0 && "Expected unresolved operands");
// Check if the last unresolved operand has just been resolved; if so,
// resolve this as well.
if (isOperandUnresolved(Old)) {
if (!isOperandUnresolved(New))
decrementUnresolvedOperandCount();
} else {
// Operands shouldn't become unresolved.
// Check if an operand was resolved.
if (!isOperandUnresolved(Old))
assert(isOperandUnresolved(New) && "Operand just became unresolved");
}
else if (!isOperandUnresolved(New))
decrementUnresolvedOperandCount();
}
void GenericMDNode::decrementUnresolvedOperandCount() {
if (!--SubclassData32)
// Last unresolved operand has just been resolved.
resolve();
}