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[Attributor][NFC] Add assertion to guard against accidental misuse 

llvm-svn: 370925
This commit is contained in:
Johannes Doerfert 2019-09-04 16:36:54 +00:00
parent 2f6220633c
commit 912edafcf1
1 changed files with 5 additions and 3 deletions
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8
llvm/include/llvm/Transforms/IPO/Attributor.h
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@ -674,7 +674,10 @@ struct Attributor {
// Put the attribute in the lookup map structure and the container we use to
// keep track of all attributes.
IRPosition &IRP = AA.getIRPosition();
AAMap[IRP][&AAType::ID] = &AA;
auto &KindToAbstractAttributeMap = AAMap[IRP];
assert(!KindToAbstractAttributeMap.count(&AAType::ID) &&
"Attribute already in map!");
KindToAbstractAttributeMap[&AAType::ID] = &AA;
AllAbstractAttributes.push_back(&AA);
return AA;
}
@ -821,8 +824,7 @@ private:
// Lookup the abstract attribute of type AAType. If found, return it after
// registering a dependence of QueryingAA on the one returned attribute.
const auto &KindToAbstractAttributeMap =
AAMap.lookup(const_cast<IRPosition &>(IRP));
const auto &KindToAbstractAttributeMap = AAMap.lookup(IRP);
if (AAType *AA = static_cast<AAType *>(
KindToAbstractAttributeMap.lookup(&AAType::ID))) {
// Do not register a dependence on an attribute with an invalid state.