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Merge pull request #4699 from lioncash/move3 

control_flow: Make use of std::move in InsertBranch()
This commit is contained in:
Rodrigo Locatti 2020-09-23 06:20:59 +00:00 committed by GitHub
parent 2b863c9aa3 0dc6967ff1
commit b8219ec838
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GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 14 additions and 13 deletions
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27
src/video_core/shader/control_flow.cpp
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@ -547,13 +547,13 @@ bool TryQuery(CFGRebuildState& state) {
gather_labels(q2.ssy_stack, state.ssy_labels, block);
gather_labels(q2.pbk_stack, state.pbk_labels, block);
if (std::holds_alternative<SingleBranch>(*block.branch)) {
const auto branch = std::get_if<SingleBranch>(block.branch.get());
auto* branch = std::get_if<SingleBranch>(block.branch.get());
if (!branch->condition.IsUnconditional()) {
q2.address = block.end + 1;
state.queries.push_back(q2);
}
Query conditional_query{q2};
auto& conditional_query = state.queries.emplace_back(q2);
if (branch->is_sync) {
if (branch->address == unassigned_branch) {
branch->address = conditional_query.ssy_stack.top();
@ -567,21 +567,21 @@ bool TryQuery(CFGRebuildState& state) {
conditional_query.pbk_stack.pop();
}
conditional_query.address = branch->address;
state.queries.push_back(std::move(conditional_query));
return true;
}
const auto multi_branch = std::get_if<MultiBranch>(block.branch.get());
const auto* multi_branch = std::get_if<MultiBranch>(block.branch.get());
for (const auto& branch_case : multi_branch->branches) {
Query conditional_query{q2};
auto& conditional_query = state.queries.emplace_back(q2);
conditional_query.address = branch_case.address;
state.queries.push_back(std::move(conditional_query));
}
return true;
}
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);