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[NFC][Cloning] Add a helper to collect debug info from instructions #129145

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[NFC][Cloning] Add a helper to collect debug info from instructions #129145

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19 changes: 13 additions & 6 deletions llvm/lib/Transforms/Utils/CloneFunction.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -40,6 +40,18 @@ using namespace llvm;

#define DEBUG_TYPE "clone-function"

namespace {
void collectDebugInfoFromInstructions(const Function &F,
DebugInfoFinder &DIFinder) {
const Module *M = F.getParent();
if (M) {
// Inspect instructions to process e.g. DILexicalBlocks of inlined functions
for (const auto &I : instructions(F))
DIFinder.processInstruction(*M, I);
}
}
} // namespace

/// See comments in Cloning.h.
BasicBlock *llvm::CloneBasicBlock(const BasicBlock *BB, ValueToValueMapTy &VMap,
const Twine &NameSuffix, Function *F,
Expand Down Expand Up @@ -146,12 +158,7 @@ DISubprogram *llvm::CollectDebugInfoForCloning(const Function &F,
if (SPClonedWithinModule)
DIFinder.processSubprogram(SPClonedWithinModule);

const Module *M = F.getParent();
if (M) {
// Inspect instructions to process e.g. DILexicalBlocks of inlined functions
for (const auto &I : instructions(F))
DIFinder.processInstruction(*M, I);
}
collectDebugInfoFromInstructions(F, DIFinder);

return SPClonedWithinModule;
}
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