================
@@ -100,8 +233,20 @@ class StructuralHashImpl {
if (const auto *ComparisonInstruction = dyn_cast<CmpInst>(&Inst))
Hashes.emplace_back(ComparisonInstruction->getPredicate());
- for (const auto &Op : Inst.operands())
- Hashes.emplace_back(hashOperand(Op));
+ unsigned InstIdx = 0;
+ if (IndexInstruction) {
+ InstIdx = IndexInstruction->size();
+ IndexInstruction->insert({InstIdx, const_cast<Instruction *>(&Inst)});
----------------
kyulee-com wrote:
Instruction is inserted once by design in this pass. In fact, this map
`IndexInstruction` itself can't catch the duplication as the key is `index`,
not `Instruction *`. Anyhow, replaced `insert` by `trace_emplace` for
efficiency.
https://github.com/llvm/llvm-project/pull/112638
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