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[SYCL][ESIMD] Fix leak of the demangler output buffer #23079

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[SYCL][ESIMD] Fix leak of the demangler output buffer #23079

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9 changes: 7 additions & 2 deletions llvm/lib/SYCLLowerIR/ESIMD/LowerESIMD.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -41,6 +41,7 @@
#include "llvm/Transforms/IPO/AlwaysInliner.h"

#include <cctype>
#include <cstdlib>
#include <cstring>
#include <unordered_map>

Expand Down Expand Up @@ -1981,12 +1982,16 @@ bool SYCLLowerESIMDPass::prepareForAlwaysInliner(Module &M) {
if (NameNode->getKind() == id::Node::KLocalName)
return false;

// OutputBuffer does not own its buffer - it must be freed by the caller.
id::OutputBuffer NameBuf;
NameNode->print(NameBuf);
StringRef Name(NameBuf.getBuffer(), NameBuf.getCurrentPosition());

return Name.starts_with("sycl::_V1::ext::intel::esimd::") ||
Name.starts_with("sycl::_V1::ext::intel::experimental::esimd::");
bool IsESIMDFunction =
Name.starts_with("sycl::_V1::ext::intel::esimd::") ||
Name.starts_with("sycl::_V1::ext::intel::experimental::esimd::");
std::free(NameBuf.getBuffer());
return IsESIMDFunction;
};
bool NeedInline = false;
for (auto &F : M) {
Expand Down
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