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[BOLT] Avoid repeated map lookups (NFC) (#112118)

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This commit is contained in:
Kazu Hirata 2024-10-12 22:06:49 -07:00 committed by GitHub
parent 464a7ee79e
commit 7928e14f5e
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GPG Key ID: B5690EEEBB952194
1 changed files with 2 additions and 6 deletions
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8
bolt/lib/Core/BinaryFunction.cpp
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@ -3684,9 +3684,8 @@ BinaryFunction::BasicBlockListType BinaryFunction::dfs() const {
BinaryBasicBlock *BB = Stack.top();
Stack.pop();
if (Visited.find(BB) != Visited.end())
if (!Visited.insert(BB).second)
continue;
Visited.insert(BB);
DFS.push_back(BB);
for (BinaryBasicBlock *SuccBB : BB->landing_pads()) {
@ -3879,11 +3878,8 @@ void BinaryFunction::disambiguateJumpTables(
JumpTable *JT = getJumpTable(Inst);
if (!JT)
continue;
auto Iter = JumpTables.find(JT);
if (Iter == JumpTables.end()) {
JumpTables.insert(JT);
if (JumpTables.insert(JT).second)
continue;
}
// This instruction is an indirect jump using a jump table, but it is
// using the same jump table of another jump. Try all our tricks to
// extract the jump table symbol and make it point to a new, duplicated JT