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control_flow: Make use of std::move in InsertBranch() 

Avoids unnecessary atomic increments and decrements.
This commit is contained in:
Lioncash 2020-09-22 22:48:06 -04:00
parent 2b863c9aa3
commit fcd0145eb5
1 changed files with 8 additions and 7 deletions
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15
src/video_core/shader/control_flow.cpp
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@ -580,8 +580,8 @@ bool TryQuery(CFGRebuildState& state) {
}
void InsertBranch(ASTManager& mm, const BlockBranchInfo& branch_info) {
const auto get_expr = ([&](const Condition& cond) -> Expr {
Expr result{};
const auto get_expr = [](const Condition& cond) -> Expr {
Expr result;
if (cond.cc != ConditionCode::T) {
result = MakeExpr<ExprCondCode>(cond.cc);
}
@ -594,10 +594,10 @@ void InsertBranch(ASTManager& mm, const BlockBranchInfo& branch_info) {
}
Expr extra = MakeExpr<ExprPredicate>(pred);
if (negate) {
extra = MakeExpr<ExprNot>(extra);
extra = MakeExpr<ExprNot>(std::move(extra));
}
if (result) {
return MakeExpr<ExprAnd>(extra, result);
return MakeExpr<ExprAnd>(std::move(extra), std::move(result));
}
return extra;
}
@ -605,9 +605,10 @@ void InsertBranch(ASTManager& mm, const BlockBranchInfo& branch_info) {
return result;
}
return MakeExpr<ExprBoolean>(true);
});
};
if (std::holds_alternative<SingleBranch>(*branch_info)) {
const auto branch = std::get_if<SingleBranch>(branch_info.get());
const auto* branch = std::get_if<SingleBranch>(branch_info.get());
if (branch->address < 0) {
if (branch->kill) {
mm.InsertReturn(get_expr(branch->condition), true);
@ -619,7 +620,7 @@ void InsertBranch(ASTManager& mm, const BlockBranchInfo& branch_info) {
mm.InsertGoto(get_expr(branch->condition), branch->address);
return;
}
const auto multi_branch = std::get_if<MultiBranch>(branch_info.get());
const auto* multi_branch = std::get_if<MultiBranch>(branch_info.get());
for (const auto& branch_case : multi_branch->branches) {
mm.InsertGoto(MakeExpr<ExprGprEqual>(multi_branch->gpr, branch_case.cmp_value),
branch_case.address);