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avoid useless icmp-ne insertion in visitor

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ridethepig 2023-05-21 10:34:23 +08:00
parent b5e1610047
commit 5e6107a02e
1 changed files with 3 additions and 1 deletions
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4
src/visitor.cpp
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@ -533,7 +533,9 @@ std::any Visitor::visitLAndExp(SysyParser::LAndExpContext *ctx) {
for (int i = 0; i < eq_exp_list.size(); ++i) { for (int i = 0; i < eq_exp_list.size(); ++i) {
auto next_block = build_BasicBlock("", _state.current_func, _state.current_bb->itr); auto next_block = build_BasicBlock("", _state.current_func, _state.current_bb->itr);
auto eq_exp = any_to_Value(visitEqExp(eq_exp_list[i])); auto eq_exp = any_to_Value(visitEqExp(eq_exp_list[i]));
auto condition = build_InstBinary(InstTag::Ne, eq_exp, CONST0, _state.current_bb); auto condition = eq_exp;
if (!TypeHelper::isIntegerTypeI1(eq_exp->type))
condition = build_InstBinary(InstTag::Ne, eq_exp, CONST0, _state.current_bb);
build_InstBranch(condition, next_block, ctx->false_block, _state.current_bb); build_InstBranch(condition, next_block, ctx->false_block, _state.current_bb);
_state.current_bb = next_block; _state.current_bb = next_block;
} }