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low-level cleanups found by code review

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This commit is contained in:
Vern Paxson 2021-09-02 12:55:25 -07:00
parent 8bc04d3593
commit 38578a2ea3
13 changed files with 56 additions and 71 deletions
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10
src/script_opt/ZAM/AM-Opt.cc
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@ -753,12 +753,9 @@ void ZAMCompiler::SetLifetimeStart(int slot, const ZInstI* inst)
denizen_beginning[slot] = inst;
if ( inst_beginnings.count(inst) == 0 )
{
// Need to create a set to track the denizens
// beginning at the instruction.
std::unordered_set<ID*> denizens;
inst_beginnings[inst] = denizens;
}
inst_beginnings[inst] = {};
inst_beginnings[inst].insert(frame_denizens[slot]);
}
@ -826,10 +823,7 @@ void ZAMCompiler::ExtendLifetime(int slot, const ZInstI* inst)
inst_endings[old_inst].erase(frame_denizens[slot]);
if ( inst_endings.count(inst) == 0 )
{
std::unordered_set<ID*> denizens;
inst_endings[inst] = denizens;
}
inst_endings[inst] = {};
inst_endings[inst].insert(frame_denizens[slot]);
denizen_ending.at(slot) = inst;