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cgen: minor optimization in if_expr() (#15748)

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yuyi
2022-09-13 19:56:09 +08:00
committed by GitHub
parent a3d6a9349d
commit 840370f345
1 changed files with 6 additions and 7 deletions
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11
vlib/v/gen/c/if.v
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@ -269,13 +269,12 @@ fn (mut g Gen) if_expr(node ast.IfExpr) {
g.writeln('\t$base_type $left_var_name = *($base_type*)${var_name}.data;') g.writeln('\t$base_type $left_var_name = *($base_type*)${var_name}.data;')
} }
} else if branch.cond.vars.len > 1 { } else if branch.cond.vars.len > 1 {
for vi, var in branch.cond.vars {
left_var_name := c_name(var.name)
sym := g.table.sym(branch.cond.expr_type) sym := g.table.sym(branch.cond.expr_type)
if sym.kind == .multi_return { if sym.info is ast.MultiReturn {
mr_info := sym.info as ast.MultiReturn if sym.info.types.len == branch.cond.vars.len {
if mr_info.types.len == branch.cond.vars.len { for vi, var in branch.cond.vars {
var_typ := g.typ(mr_info.types[vi]) var_typ := g.typ(sym.info.types[vi])
left_var_name := c_name(var.name)
if is_auto_heap { if is_auto_heap {
g.writeln('\t$var_typ* $left_var_name = (HEAP($base_type, *($base_type*)${var_name}.data).arg$vi);') g.writeln('\t$var_typ* $left_var_name = (HEAP($base_type, *($base_type*)${var_name}.data).arg$vi);')
} else { } else {