Skip to content

[TLI] Added a guard for empty vector function name. #68100

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Merged
merged 1 commit into from
Oct 3, 2023
Merged

[TLI] Added a guard for empty vector function name. #68100

Show file tree
Hide file tree
Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
1 change: 1 addition & 0 deletions llvm/lib/Analysis/TargetLibraryInfo.cpp
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -46,6 +46,7 @@ StringLiteral const TargetLibraryInfoImpl::StandardNames[LibFunc::NumLibFuncs] =
};

std::string VecDesc::getVectorFunctionABIVariantString() const {
assert(!VectorFnName.empty() && "Vector function name must not be empty.");
SmallString<256> Buffer;
llvm::raw_svector_ostream Out(Buffer);
Out << VABIPrefix << "_" << ScalarFnName << "(" << VectorFnName << ")";
Expand Down
2 changes: 1 addition & 1 deletion llvm/lib/Transforms/Utils/InjectTLIMappings.cpp
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -92,7 +92,7 @@ static void addMappingsFromTLI(const TargetLibraryInfo &TLI, CallInst &CI) {

auto AddVariantDecl = [&](const ElementCount &VF, bool Predicate) {
const VecDesc *VD = TLI.getVectorMappingInfo(ScalarName, VF, Predicate);
if (VD) {
if (VD && !VD->getVectorFnName().empty()) {
std::string MangledName = VD->getVectorFunctionABIVariantString();
if (!OriginalSetOfMappings.count(MangledName)) {
Mappings.push_back(MangledName);
Expand Down