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Mark AstMemberSel as clean (#4236)

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Ryszard Rozak 2023-05-29 09:35:53 +02:00 committed by GitHub
parent 1069652701
commit dfd3907787
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GPG Key ID: 4AEE18F83AFDEB23
2 changed files with 15 additions and 1 deletions
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2
src/V3AstNodeExpr.h
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@ -1450,7 +1450,7 @@ public:
void name(const string& name) override { m_name = name; } void name(const string& name) override { m_name = name; }
string emitVerilog() override { V3ERROR_NA_RETURN(""); } string emitVerilog() override { V3ERROR_NA_RETURN(""); }
string emitC() override { V3ERROR_NA_RETURN(""); } string emitC() override { V3ERROR_NA_RETURN(""); }
bool cleanOut() const override { return false; } bool cleanOut() const override { return true; }
bool same(const AstNode* samep) const override { return true; } // dtype comparison does it bool same(const AstNode* samep) const override { return true; } // dtype comparison does it
int instrCount() const override { return widthInstrs(); } int instrCount() const override { return widthInstrs(); }
AstVar* varp() const { return m_varp; } AstVar* varp() const { return m_varp; }

14
test_regress/t/t_struct_assign.v
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@ -9,7 +9,12 @@ module t (/*AUTOARG*/);
int fst, snd; int fst, snd;
} pair_t; } pair_t;
class Cls;
pair_t p;
endclass
pair_t a, b; pair_t a, b;
Cls c = new;
initial begin initial begin
a.fst = 1; a.fst = 1;
@ -21,6 +26,15 @@ module t (/*AUTOARG*/);
$display("(%d, %d) (%d, %d)", a.fst, a.snd, b.fst, b.snd); $display("(%d, %d) (%d, %d)", a.fst, a.snd, b.fst, b.snd);
$display("%%p=%p", a); $display("%%p=%p", a);
c.p.fst = 5;
if (c.p.fst != 5) $stop;
a = c.p;
if (a.fst != 5) $stop;
c.p = b;
if (c.p.fst != 3) $stop;
if (c.p.snd != 4) $stop;
$write("*-* All Finished *-*\n"); $write("*-* All Finished *-*\n");
$finish; $finish;
end end