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State-dependent constraints (#5217)

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Signed-off-by: Arkadiusz Kozdra <akozdra@antmicro.com>
This commit is contained in:
Arkadiusz Kozdra 2024-07-01 20:19:15 +02:00 committed by GitHub
parent 72993ec3dd
commit 85356f464f
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GPG Key ID: B5690EEEBB952194
9 changed files with 255 additions and 179 deletions
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2
include/verilated_random.cpp
View File

@ -414,6 +414,8 @@ void VlRandomizer::hard(std::string&& constraint) {
m_constraints.emplace_back(std::move(constraint));
}
void VlRandomizer::clear() { m_constraints.clear(); }
#ifdef VL_DEBUG
void VlRandomizer::dump() const {
for (const auto& var : m_vars) {

1
include/verilated_random.h
View File

@ -112,6 +112,7 @@ public:
m_vars[name] = std::make_shared<const VlRandomVar>(name, width, &var);
}
void hard(std::string&& constraint);
void clear();
#ifdef VL_DEBUG
void dump() const;
#endif

37
src/V3Randomize.cpp
View File

@ -39,7 +39,6 @@ class RandomizeMarkVisitor final : public VNVisitorConst {
// NODE STATE
// Cleared on Netlist
// AstClass::user1() -> bool. Set true to indicate needs randomize processing
// AstConstraintExpr::user1() -> bool. Set true to indicate state-dependent
// AstNodeExpr::user1() -> bool. Set true to indicate constraint expression depending on a
// randomized variable
const VNUser1InUse m_inuser1;
@ -122,11 +121,7 @@ class RandomizeMarkVisitor final : public VNVisitorConst {
}
void visit(AstNodeVarRef* nodep) override {
if (!m_constraintExprp) return;
if (!nodep->varp()->isRand()) {
m_constraintExprp->user1(true);
nodep->v3warn(CONSTRAINTIGN, "State-dependent constraint ignored (unsupported)");
return;
}
if (!nodep->varp()->isRand()) return;
for (AstNode* backp = nodep; backp != m_constraintExprp && !backp->user1();
backp = backp->backp())
backp->user1(true);
@ -152,7 +147,7 @@ class ConstraintExprVisitor final : public VNVisitor {
// AstNodeExpr::user1() -> bool. Depending on a randomized variable
// VNUser4InUse m_inuser4; (Allocated for use in RandomizeVisitor)
AstTask* const m_taskp; // X_setup_constraint() method of the constraint
AstNodeFTask* const m_taskp; // method to add write_var calls to
AstVar* const m_genp; // VlRandomizer variable of the class
bool editFormat(AstNodeExpr* nodep) {
@ -227,7 +222,7 @@ class ConstraintExprVisitor final : public VNVisitor {
= new AstCExpr{varp->fileline(), "\"" + smtName + "\"", varp->width()};
varnamep->dtypep(varp->dtypep());
methodp->addPinsp(varnamep);
m_taskp->addStmtsp(new AstStmtExpr{varp->fileline(), methodp});
m_taskp->addStmtsp(methodp->makeStmt());
}
}
void visit(AstNodeBiop* nodep) override {
@ -273,7 +268,7 @@ class ConstraintExprVisitor final : public VNVisitor {
public:
// CONSTRUCTORS
explicit ConstraintExprVisitor(AstConstraintExpr* nodep, AstTask* taskp, AstVar* genp)
explicit ConstraintExprVisitor(AstConstraintExpr* nodep, AstNodeFTask* taskp, AstVar* genp)
: m_taskp(taskp)
, m_genp(genp) {
iterate(nodep);
@ -287,7 +282,6 @@ class RandomizeVisitor final : public VNVisitor {
// NODE STATE
// Cleared on Netlist
// AstClass::user1() -> bool. Set true to indicate needs randomize processing
// AstConstraintExpr::user1() -> bool. Set true to indicate state-dependent
// AstEnumDType::user2() -> AstVar*. Pointer to table with enum values
// AstClass::user3() -> AstFunc*. Pointer to randomize() method of a class
// AstVar::user4() -> bool. Handled in constraints
@ -489,7 +483,7 @@ class RandomizeVisitor final : public VNVisitor {
argsp->addNext(new AstText{fl, ".next(__Vm_rng)"});
AstNodeExpr* const solverCallp = new AstCExpr{fl, argsp};
solverCallp->dtypeSetBit();
beginValp = beginValp ? new AstAnd{fl, beginValp, solverCallp} : solverCallp;
beginValp = beginValp ? new AstLogAnd{fl, beginValp, solverCallp} : solverCallp;
}
if (!beginValp) beginValp = new AstConst{fl, AstConst::WidthedValue{}, 32, 1};
@ -536,29 +530,40 @@ class RandomizeVisitor final : public VNVisitor {
void visit(AstConstraint* nodep) override {
AstNodeFTask* const newp = VN_AS(m_memberMap.findMember(m_modp, "new"), NodeFTask);
UASSERT_OBJ(newp, m_modp, "No new() in class");
AstFunc* const randomizep = V3Randomize::newRandomizeFunc(VN_AS(m_modp, Class));
AstTask* const taskp = newSetupConstraintTask(VN_AS(m_modp, Class), nodep->name());
AstTaskRef* const setupTaskRefp
= new AstTaskRef{nodep->fileline(), taskp->name(), nullptr};
setupTaskRefp->taskp(taskp);
newp->addStmtsp(new AstStmtExpr{nodep->fileline(), setupTaskRefp});
AstVar* genp = VN_AS(m_modp->user4p(), Var);
if (!genp) {
genp = new AstVar(nodep->fileline(), VVarType::MEMBER, "constraint",
m_modp->findBasicDType(VBasicDTypeKwd::RANDOM_GENERATOR));
genp = VN_AS(m_memberMap.findMember(m_modp, "constraint"), Var);
if (!genp)
genp = new AstVar{nodep->fileline(), VVarType::MEMBER, "constraint",
m_modp->findBasicDType(VBasicDTypeKwd::RANDOM_GENERATOR)};
VN_AS(m_modp, Class)->addMembersp(genp);
m_modp->user4p(genp);
}
if (!randomizep->stmtsp()) {
AstCMethodHard* const clearp = new AstCMethodHard{
randomizep->fileline(),
new AstVarRef{randomizep->fileline(), genp, VAccess::READWRITE}, "clear"};
clearp->dtypeSetVoid();
randomizep->addStmtsp(clearp->makeStmt());
}
randomizep->addStmtsp(setupTaskRefp->makeStmt());
while (nodep->itemsp()) {
AstConstraintExpr* const condsp = VN_CAST(nodep->itemsp(), ConstraintExpr);
if (!condsp || condsp->user1()) {
if (!condsp) {
nodep->itemsp()->v3warn(CONSTRAINTIGN,
"Constraint expression ignored (unsupported)");
pushDeletep(nodep->itemsp()->unlinkFrBack());
continue;
}
{ ConstraintExprVisitor{condsp->unlinkFrBack(), taskp, genp}; }
{ ConstraintExprVisitor{condsp->unlinkFrBack(), newp, genp}; }
// Only hard constraints are now supported
AstCMethodHard* const methodp = new AstCMethodHard{
condsp->fileline(), new AstVarRef{condsp->fileline(), genp, VAccess::READWRITE},

246
test_regress/t/t_constraint_json_only.out
View File

@ -50,162 +50,175 @@
],"scopeNamep": []},
{"type":"FUNC","name":"new","addr":"(KB)","loc":"d,7:1,7:6","dtypep":"(LB)","method":true,"dpiExport":false,"dpiImport":false,"dpiOpenChild":false,"dpiOpenParent":false,"prototype":false,"recursive":false,"taskPublic":false,"cname":"new","fvarp": [],"classOrPackagep": [],
"stmtsp": [
{"type":"STMTEXPR","name":"","addr":"(MB)","loc":"d,19:15,19:20",
{"type":"STMTEXPR","name":"","addr":"(MB)","loc":"d,8:13,8:19",
"exprp": [
{"type":"TASKREF","name":"empty_setup_constraint","addr":"(NB)","loc":"d,19:15,19:20","dtypep":"(LB)","dotted":"","taskp":"(OB)","classOrPackagep":"UNLINKED","namep": [],"pinsp": [],"scopeNamep": []}
{"type":"CMETHODHARD","name":"write_var","addr":"(NB)","loc":"d,8:13,8:19","dtypep":"(LB)",
"fromp": [
{"type":"VARREF","name":"constraint","addr":"(OB)","loc":"d,8:13,8:19","dtypep":"(PB)","access":"RW","varp":"(QB)","varScopep":"UNLINKED","classOrPackagep":"UNLINKED"}
],
"pinsp": [
{"type":"VARREF","name":"header","addr":"(RB)","loc":"d,8:13,8:19","dtypep":"(Q)","access":"WR","varp":"(P)","varScopep":"UNLINKED","classOrPackagep":"UNLINKED"},
{"type":"CONST","name":"64'h20","addr":"(SB)","loc":"d,8:9,8:12","dtypep":"(TB)"},
{"type":"CEXPR","name":"","addr":"(UB)","loc":"d,8:13,8:19","dtypep":"(Q)",
"exprsp": [
{"type":"TEXT","name":"","addr":"(VB)","loc":"d,8:13,8:19","shortText":"\"header\""}
]}
]}
]},
{"type":"STMTEXPR","name":"","addr":"(PB)","loc":"d,21:15,21:19",
{"type":"STMTEXPR","name":"","addr":"(WB)","loc":"d,9:13,9:19",
"exprp": [
{"type":"TASKREF","name":"size_setup_constraint","addr":"(QB)","loc":"d,21:15,21:19","dtypep":"(LB)","dotted":"","taskp":"(RB)","classOrPackagep":"UNLINKED","namep": [],"pinsp": [],"scopeNamep": []}
{"type":"CMETHODHARD","name":"write_var","addr":"(XB)","loc":"d,9:13,9:19","dtypep":"(LB)",
"fromp": [
{"type":"VARREF","name":"constraint","addr":"(YB)","loc":"d,9:13,9:19","dtypep":"(PB)","access":"RW","varp":"(QB)","varScopep":"UNLINKED","classOrPackagep":"UNLINKED"}
],
"pinsp": [
{"type":"VARREF","name":"length","addr":"(ZB)","loc":"d,9:13,9:19","dtypep":"(Q)","access":"WR","varp":"(R)","varScopep":"UNLINKED","classOrPackagep":"UNLINKED"},
{"type":"CONST","name":"64'h20","addr":"(AC)","loc":"d,8:9,8:12","dtypep":"(TB)"},
{"type":"CEXPR","name":"","addr":"(BC)","loc":"d,9:13,9:19","dtypep":"(Q)",
"exprsp": [
{"type":"TEXT","name":"","addr":"(CC)","loc":"d,9:13,9:19","shortText":"\"length\""}
]}
]}
]},
{"type":"STMTEXPR","name":"","addr":"(SB)","loc":"d,28:15,28:18",
{"type":"STMTEXPR","name":"","addr":"(DC)","loc":"d,10:13,10:22",
"exprp": [
{"type":"TASKREF","name":"ifs_setup_constraint","addr":"(TB)","loc":"d,28:15,28:18","dtypep":"(LB)","dotted":"","taskp":"(UB)","classOrPackagep":"UNLINKED","namep": [],"pinsp": [],"scopeNamep": []}
]},
{"type":"STMTEXPR","name":"","addr":"(VB)","loc":"d,39:15,39:23",
"exprp": [
{"type":"TASKREF","name":"arr_uniq_setup_constraint","addr":"(WB)","loc":"d,39:15,39:23","dtypep":"(LB)","dotted":"","taskp":"(XB)","classOrPackagep":"UNLINKED","namep": [],"pinsp": [],"scopeNamep": []}
]},
{"type":"STMTEXPR","name":"","addr":"(YB)","loc":"d,46:15,46:20",
"exprp": [
{"type":"TASKREF","name":"order_setup_constraint","addr":"(ZB)","loc":"d,46:15,46:20","dtypep":"(LB)","dotted":"","taskp":"(AC)","classOrPackagep":"UNLINKED","namep": [],"pinsp": [],"scopeNamep": []}
]},
{"type":"STMTEXPR","name":"","addr":"(BC)","loc":"d,48:15,48:18",
"exprp": [
{"type":"TASKREF","name":"dis_setup_constraint","addr":"(CC)","loc":"d,48:15,48:18","dtypep":"(LB)","dotted":"","taskp":"(DC)","classOrPackagep":"UNLINKED","namep": [],"pinsp": [],"scopeNamep": []}
]},
{"type":"STMTEXPR","name":"","addr":"(EC)","loc":"d,54:15,54:19",
"exprp": [
{"type":"TASKREF","name":"meth_setup_constraint","addr":"(FC)","loc":"d,54:15,54:19","dtypep":"(LB)","dotted":"","taskp":"(GC)","classOrPackagep":"UNLINKED","namep": [],"pinsp": [],"scopeNamep": []}
{"type":"CMETHODHARD","name":"write_var","addr":"(EC)","loc":"d,10:13,10:22","dtypep":"(LB)",
"fromp": [
{"type":"VARREF","name":"constraint","addr":"(FC)","loc":"d,10:13,10:22","dtypep":"(PB)","access":"RW","varp":"(QB)","varScopep":"UNLINKED","classOrPackagep":"UNLINKED"}
],
"pinsp": [
{"type":"VARREF","name":"sublength","addr":"(GC)","loc":"d,10:13,10:22","dtypep":"(Q)","access":"WR","varp":"(S)","varScopep":"UNLINKED","classOrPackagep":"UNLINKED"},
{"type":"CONST","name":"64'h20","addr":"(HC)","loc":"d,8:9,8:12","dtypep":"(TB)"},
{"type":"CEXPR","name":"","addr":"(IC)","loc":"d,10:13,10:22","dtypep":"(Q)",
"exprsp": [
{"type":"TEXT","name":"","addr":"(JC)","loc":"d,10:13,10:22","shortText":"\"sublength\""}
]}
]}
]}
],"scopeNamep": []},
{"type":"TASK","name":"empty_setup_constraint","addr":"(OB)","loc":"d,7:1,7:6","method":true,"dpiExport":false,"dpiImport":false,"dpiOpenChild":false,"dpiOpenParent":false,"prototype":false,"recursive":false,"taskPublic":false,"cname":"empty_setup_constraint","fvarp": [],"classOrPackagep": [],"stmtsp": [],"scopeNamep": []},
{"type":"VAR","name":"constraint","addr":"(HC)","loc":"d,19:15,19:20","dtypep":"(IC)","origName":"constraint","isSc":false,"isPrimaryIO":false,"direction":"NONE","isConst":false,"isPullup":false,"isPulldown":false,"isUsedClock":false,"isSigPublic":false,"isLatched":false,"isUsedLoopIdx":false,"noReset":false,"attrIsolateAssign":false,"attrFileDescr":false,"isDpiOpenArray":false,"isFuncReturn":false,"isFuncLocal":false,"attrClocker":"UNKNOWN","lifetime":"NONE","varType":"MEMBER","dtypeName":"VlRandomizer","isSigUserRdPublic":false,"isSigUserRWPublic":false,"isGParam":false,"isParam":false,"attrScBv":false,"attrSFormat":false,"sensIfacep":"UNLINKED","childDTypep": [],"delayp": [],"valuep": [],"attrsp": []},
{"type":"TASK","name":"size_setup_constraint","addr":"(RB)","loc":"d,7:1,7:6","method":true,"dpiExport":false,"dpiImport":false,"dpiOpenChild":false,"dpiOpenParent":false,"prototype":false,"recursive":false,"taskPublic":false,"cname":"size_setup_constraint","fvarp": [],"classOrPackagep": [],
{"type":"FUNC","name":"randomize","addr":"(KC)","loc":"d,7:1,7:6","dtypep":"(LC)","method":true,"dpiExport":false,"dpiImport":false,"dpiOpenChild":false,"dpiOpenParent":false,"prototype":false,"recursive":false,"taskPublic":false,"cname":"randomize",
"fvarp": [
{"type":"VAR","name":"randomize","addr":"(MC)","loc":"d,7:1,7:6","dtypep":"(LC)","origName":"randomize","isSc":false,"isPrimaryIO":false,"direction":"OUTPUT","isConst":false,"isPullup":false,"isPulldown":false,"isUsedClock":false,"isSigPublic":false,"isLatched":false,"isUsedLoopIdx":false,"noReset":false,"attrIsolateAssign":false,"attrFileDescr":false,"isDpiOpenArray":false,"isFuncReturn":true,"isFuncLocal":true,"attrClocker":"UNKNOWN","lifetime":"VAUTOM","varType":"MEMBER","dtypeName":"bit","isSigUserRdPublic":false,"isSigUserRWPublic":false,"isGParam":false,"isParam":false,"attrScBv":false,"attrSFormat":false,"sensIfacep":"UNLINKED","childDTypep": [],"delayp": [],"valuep": [],"attrsp": []}
],"classOrPackagep": [],
"stmtsp": [
{"type":"STMTEXPR","name":"","addr":"(JC)","loc":"d,8:13,8:19",
{"type":"STMTEXPR","name":"","addr":"(NC)","loc":"d,7:1,7:6",
"exprp": [
{"type":"CMETHODHARD","name":"write_var","addr":"(KC)","loc":"d,8:13,8:19","dtypep":"(LB)",
{"type":"CMETHODHARD","name":"clear","addr":"(OC)","loc":"d,7:1,7:6","dtypep":"(LB)",
"fromp": [
{"type":"VARREF","name":"constraint","addr":"(LC)","loc":"d,8:13,8:19","dtypep":"(IC)","access":"RW","varp":"(HC)","varScopep":"UNLINKED","classOrPackagep":"UNLINKED"}
],
"pinsp": [
{"type":"VARREF","name":"header","addr":"(MC)","loc":"d,8:13,8:19","dtypep":"(Q)","access":"WR","varp":"(P)","varScopep":"UNLINKED","classOrPackagep":"UNLINKED"},
{"type":"CONST","name":"64'h20","addr":"(NC)","loc":"d,8:9,8:12","dtypep":"(OC)"},
{"type":"CEXPR","name":"","addr":"(PC)","loc":"d,8:13,8:19","dtypep":"(Q)",
"exprsp": [
{"type":"TEXT","name":"","addr":"(QC)","loc":"d,8:13,8:19","shortText":"\"header\""}
]}
]}
{"type":"VARREF","name":"constraint","addr":"(PC)","loc":"d,7:1,7:6","dtypep":"(PB)","access":"RW","varp":"(QB)","varScopep":"UNLINKED","classOrPackagep":"UNLINKED"}
],"pinsp": []}
]},
{"type":"STMTEXPR","name":"","addr":"(RC)","loc":"d,22:18,22:20",
{"type":"STMTEXPR","name":"","addr":"(QC)","loc":"d,19:15,19:20",
"exprp": [
{"type":"CMETHODHARD","name":"hard","addr":"(SC)","loc":"d,22:18,22:20","dtypep":"(LB)",
"fromp": [
{"type":"VARREF","name":"constraint","addr":"(TC)","loc":"d,22:18,22:20","dtypep":"(IC)","access":"RW","varp":"(HC)","varScopep":"UNLINKED","classOrPackagep":"UNLINKED"}
],
"pinsp": [
{"type":"CONST","name":"\\\"(and (bvsgt header #x00000000) (bvsle header #x00000007))\\\"","addr":"(UC)","loc":"d,22:18,22:20","dtypep":"(M)"}
]}
{"type":"TASKREF","name":"empty_setup_constraint","addr":"(RC)","loc":"d,19:15,19:20","dtypep":"(LB)","dotted":"","taskp":"(SC)","classOrPackagep":"UNLINKED","namep": [],"pinsp": [],"scopeNamep": []}
]},
{"type":"STMTEXPR","name":"","addr":"(VC)","loc":"d,9:13,9:19",
{"type":"STMTEXPR","name":"","addr":"(TC)","loc":"d,21:15,21:19",
"exprp": [
{"type":"CMETHODHARD","name":"write_var","addr":"(WC)","loc":"d,9:13,9:19","dtypep":"(LB)",
"fromp": [
{"type":"VARREF","name":"constraint","addr":"(XC)","loc":"d,9:13,9:19","dtypep":"(IC)","access":"RW","varp":"(HC)","varScopep":"UNLINKED","classOrPackagep":"UNLINKED"}
],
"pinsp": [
{"type":"VARREF","name":"length","addr":"(YC)","loc":"d,9:13,9:19","dtypep":"(Q)","access":"WR","varp":"(R)","varScopep":"UNLINKED","classOrPackagep":"UNLINKED"},
{"type":"CONST","name":"64'h20","addr":"(ZC)","loc":"d,8:9,8:12","dtypep":"(OC)"},
{"type":"CEXPR","name":"","addr":"(AD)","loc":"d,9:13,9:19","dtypep":"(Q)",
"exprsp": [
{"type":"TEXT","name":"","addr":"(BD)","loc":"d,9:13,9:19","shortText":"\"length\""}
]}
]}
{"type":"TASKREF","name":"size_setup_constraint","addr":"(UC)","loc":"d,21:15,21:19","dtypep":"(LB)","dotted":"","taskp":"(VC)","classOrPackagep":"UNLINKED","namep": [],"pinsp": [],"scopeNamep": []}
]},
{"type":"STMTEXPR","name":"","addr":"(CD)","loc":"d,23:14,23:16",
{"type":"STMTEXPR","name":"","addr":"(WC)","loc":"d,28:15,28:18",
"exprp": [
{"type":"CMETHODHARD","name":"hard","addr":"(DD)","loc":"d,23:14,23:16","dtypep":"(LB)",
"fromp": [
{"type":"VARREF","name":"constraint","addr":"(ED)","loc":"d,23:14,23:16","dtypep":"(IC)","access":"RW","varp":"(HC)","varScopep":"UNLINKED","classOrPackagep":"UNLINKED"}
],
"pinsp": [
{"type":"CONST","name":"\\\"(bvsle length #x0000000f)\\\"","addr":"(FD)","loc":"d,23:14,23:16","dtypep":"(M)"}
]}
{"type":"TASKREF","name":"ifs_setup_constraint","addr":"(XC)","loc":"d,28:15,28:18","dtypep":"(LB)","dotted":"","taskp":"(YC)","classOrPackagep":"UNLINKED","namep": [],"pinsp": [],"scopeNamep": []}
]},
{"type":"STMTEXPR","name":"","addr":"(GD)","loc":"d,24:14,24:16",
{"type":"STMTEXPR","name":"","addr":"(ZC)","loc":"d,39:15,39:23",
"exprp": [
{"type":"CMETHODHARD","name":"hard","addr":"(HD)","loc":"d,24:14,24:16","dtypep":"(LB)",
"fromp": [
{"type":"VARREF","name":"constraint","addr":"(ID)","loc":"d,24:14,24:16","dtypep":"(IC)","access":"RW","varp":"(HC)","varScopep":"UNLINKED","classOrPackagep":"UNLINKED"}
],
"pinsp": [
{"type":"CONST","name":"\\\"(bvsge length header)\\\"","addr":"(JD)","loc":"d,24:14,24:16","dtypep":"(M)"}
]}
{"type":"TASKREF","name":"arr_uniq_setup_constraint","addr":"(AD)","loc":"d,39:15,39:23","dtypep":"(LB)","dotted":"","taskp":"(BD)","classOrPackagep":"UNLINKED","namep": [],"pinsp": [],"scopeNamep": []}
]},
{"type":"STMTEXPR","name":"","addr":"(KD)","loc":"d,25:7,25:13",
{"type":"STMTEXPR","name":"","addr":"(CD)","loc":"d,46:15,46:20",
"exprp": [
{"type":"CMETHODHARD","name":"hard","addr":"(LD)","loc":"d,25:7,25:13","dtypep":"(LB)",
"fromp": [
{"type":"VARREF","name":"constraint","addr":"(MD)","loc":"d,25:7,25:13","dtypep":"(IC)","access":"RW","varp":"(HC)","varScopep":"UNLINKED","classOrPackagep":"UNLINKED"}
],
"pinsp": [
{"type":"CONST","name":"\\\"length\\\"","addr":"(ND)","loc":"d,25:7,25:13","dtypep":"(M)"}
]}
{"type":"TASKREF","name":"order_setup_constraint","addr":"(DD)","loc":"d,46:15,46:20","dtypep":"(LB)","dotted":"","taskp":"(ED)","classOrPackagep":"UNLINKED","namep": [],"pinsp": [],"scopeNamep": []}
]},
{"type":"STMTEXPR","name":"","addr":"(FD)","loc":"d,48:15,48:18",
"exprp": [
{"type":"TASKREF","name":"dis_setup_constraint","addr":"(GD)","loc":"d,48:15,48:18","dtypep":"(LB)","dotted":"","taskp":"(HD)","classOrPackagep":"UNLINKED","namep": [],"pinsp": [],"scopeNamep": []}
]},
{"type":"STMTEXPR","name":"","addr":"(ID)","loc":"d,54:15,54:19",
"exprp": [
{"type":"TASKREF","name":"meth_setup_constraint","addr":"(JD)","loc":"d,54:15,54:19","dtypep":"(LB)","dotted":"","taskp":"(KD)","classOrPackagep":"UNLINKED","namep": [],"pinsp": [],"scopeNamep": []}
]}
],"scopeNamep": []},
{"type":"TASK","name":"ifs_setup_constraint","addr":"(UB)","loc":"d,7:1,7:6","method":true,"dpiExport":false,"dpiImport":false,"dpiOpenChild":false,"dpiOpenParent":false,"prototype":false,"recursive":false,"taskPublic":false,"cname":"ifs_setup_constraint","fvarp": [],"classOrPackagep": [],"stmtsp": [],"scopeNamep": []},
{"type":"TASK","name":"arr_uniq_setup_constraint","addr":"(XB)","loc":"d,7:1,7:6","method":true,"dpiExport":false,"dpiImport":false,"dpiOpenChild":false,"dpiOpenParent":false,"prototype":false,"recursive":false,"taskPublic":false,"cname":"arr_uniq_setup_constraint","fvarp": [],"classOrPackagep": [],"stmtsp": [],"scopeNamep": []},
{"type":"TASK","name":"order_setup_constraint","addr":"(AC)","loc":"d,7:1,7:6","method":true,"dpiExport":false,"dpiImport":false,"dpiOpenChild":false,"dpiOpenParent":false,"prototype":false,"recursive":false,"taskPublic":false,"cname":"order_setup_constraint","fvarp": [],"classOrPackagep": [],"stmtsp": [],"scopeNamep": []},
{"type":"TASK","name":"dis_setup_constraint","addr":"(DC)","loc":"d,7:1,7:6","method":true,"dpiExport":false,"dpiImport":false,"dpiOpenChild":false,"dpiOpenParent":false,"prototype":false,"recursive":false,"taskPublic":false,"cname":"dis_setup_constraint","fvarp": [],"classOrPackagep": [],
{"type":"TASK","name":"empty_setup_constraint","addr":"(SC)","loc":"d,7:1,7:6","method":true,"dpiExport":false,"dpiImport":false,"dpiOpenChild":false,"dpiOpenParent":false,"prototype":false,"recursive":false,"taskPublic":false,"cname":"empty_setup_constraint","fvarp": [],"classOrPackagep": [],"stmtsp": [],"scopeNamep": []},
{"type":"VAR","name":"constraint","addr":"(QB)","loc":"d,19:15,19:20","dtypep":"(PB)","origName":"constraint","isSc":false,"isPrimaryIO":false,"direction":"NONE","isConst":false,"isPullup":false,"isPulldown":false,"isUsedClock":false,"isSigPublic":false,"isLatched":false,"isUsedLoopIdx":false,"noReset":false,"attrIsolateAssign":false,"attrFileDescr":false,"isDpiOpenArray":false,"isFuncReturn":false,"isFuncLocal":false,"attrClocker":"UNKNOWN","lifetime":"NONE","varType":"MEMBER","dtypeName":"VlRandomizer","isSigUserRdPublic":false,"isSigUserRWPublic":false,"isGParam":false,"isParam":false,"attrScBv":false,"attrSFormat":false,"sensIfacep":"UNLINKED","childDTypep": [],"delayp": [],"valuep": [],"attrsp": []},
{"type":"TASK","name":"size_setup_constraint","addr":"(VC)","loc":"d,7:1,7:6","method":true,"dpiExport":false,"dpiImport":false,"dpiOpenChild":false,"dpiOpenParent":false,"prototype":false,"recursive":false,"taskPublic":false,"cname":"size_setup_constraint","fvarp": [],"classOrPackagep": [],
"stmtsp": [
{"type":"STMTEXPR","name":"","addr":"(OD)","loc":"d,10:13,10:22",
{"type":"STMTEXPR","name":"","addr":"(LD)","loc":"d,22:18,22:20",
"exprp": [
{"type":"CMETHODHARD","name":"write_var","addr":"(PD)","loc":"d,10:13,10:22","dtypep":"(LB)",
{"type":"CMETHODHARD","name":"hard","addr":"(MD)","loc":"d,22:18,22:20","dtypep":"(LB)",
"fromp": [
{"type":"VARREF","name":"constraint","addr":"(QD)","loc":"d,10:13,10:22","dtypep":"(IC)","access":"RW","varp":"(HC)","varScopep":"UNLINKED","classOrPackagep":"UNLINKED"}
{"type":"VARREF","name":"constraint","addr":"(ND)","loc":"d,22:18,22:20","dtypep":"(PB)","access":"RW","varp":"(QB)","varScopep":"UNLINKED","classOrPackagep":"UNLINKED"}
],
"pinsp": [
{"type":"VARREF","name":"sublength","addr":"(RD)","loc":"d,10:13,10:22","dtypep":"(Q)","access":"WR","varp":"(S)","varScopep":"UNLINKED","classOrPackagep":"UNLINKED"},
{"type":"CONST","name":"64'h20","addr":"(SD)","loc":"d,8:9,8:12","dtypep":"(OC)"},
{"type":"CEXPR","name":"","addr":"(TD)","loc":"d,10:13,10:22","dtypep":"(Q)",
"exprsp": [
{"type":"TEXT","name":"","addr":"(UD)","loc":"d,10:13,10:22","shortText":"\"sublength\""}
]}
{"type":"CONST","name":"\\\"(and (bvsgt header #x00000000) (bvsle header #x00000007))\\\"","addr":"(OD)","loc":"d,22:18,22:20","dtypep":"(M)"}
]}
]},
{"type":"STMTEXPR","name":"","addr":"(VD)","loc":"d,49:7,49:11",
{"type":"STMTEXPR","name":"","addr":"(PD)","loc":"d,23:14,23:16",
"exprp": [
{"type":"CMETHODHARD","name":"hard","addr":"(WD)","loc":"d,49:7,49:11","dtypep":"(LB)",
{"type":"CMETHODHARD","name":"hard","addr":"(QD)","loc":"d,23:14,23:16","dtypep":"(LB)",
"fromp": [
{"type":"VARREF","name":"constraint","addr":"(XD)","loc":"d,49:7,49:11","dtypep":"(IC)","access":"RW","varp":"(HC)","varScopep":"UNLINKED","classOrPackagep":"UNLINKED"}
{"type":"VARREF","name":"constraint","addr":"(RD)","loc":"d,23:14,23:16","dtypep":"(PB)","access":"RW","varp":"(QB)","varScopep":"UNLINKED","classOrPackagep":"UNLINKED"}
],
"pinsp": [
{"type":"CONST","name":"\\\"sublength\\\"","addr":"(YD)","loc":"d,49:12,49:21","dtypep":"(M)"}
{"type":"CONST","name":"\\\"(bvsle length #x0000000f)\\\"","addr":"(SD)","loc":"d,23:14,23:16","dtypep":"(M)"}
]}
]},
{"type":"STMTEXPR","name":"","addr":"(ZD)","loc":"d,50:7,50:14",
{"type":"STMTEXPR","name":"","addr":"(TD)","loc":"d,24:14,24:16",
"exprp": [
{"type":"CMETHODHARD","name":"hard","addr":"(AE)","loc":"d,50:7,50:14","dtypep":"(LB)",
{"type":"CMETHODHARD","name":"hard","addr":"(UD)","loc":"d,24:14,24:16","dtypep":"(LB)",
"fromp": [
{"type":"VARREF","name":"constraint","addr":"(BE)","loc":"d,50:7,50:14","dtypep":"(IC)","access":"RW","varp":"(HC)","varScopep":"UNLINKED","classOrPackagep":"UNLINKED"}
{"type":"VARREF","name":"constraint","addr":"(VD)","loc":"d,24:14,24:16","dtypep":"(PB)","access":"RW","varp":"(QB)","varScopep":"UNLINKED","classOrPackagep":"UNLINKED"}
],
"pinsp": [
{"type":"CONST","name":"\\\"sublength\\\"","addr":"(CE)","loc":"d,50:20,50:29","dtypep":"(M)"}
{"type":"CONST","name":"\\\"(bvsge length header)\\\"","addr":"(WD)","loc":"d,24:14,24:16","dtypep":"(M)"}
]}
]},
{"type":"STMTEXPR","name":"","addr":"(DE)","loc":"d,51:17,51:19",
{"type":"STMTEXPR","name":"","addr":"(XD)","loc":"d,25:7,25:13",
"exprp": [
{"type":"CMETHODHARD","name":"hard","addr":"(EE)","loc":"d,51:17,51:19","dtypep":"(LB)",
{"type":"CMETHODHARD","name":"hard","addr":"(YD)","loc":"d,25:7,25:13","dtypep":"(LB)",
"fromp": [
{"type":"VARREF","name":"constraint","addr":"(FE)","loc":"d,51:17,51:19","dtypep":"(IC)","access":"RW","varp":"(HC)","varScopep":"UNLINKED","classOrPackagep":"UNLINKED"}
{"type":"VARREF","name":"constraint","addr":"(ZD)","loc":"d,25:7,25:13","dtypep":"(PB)","access":"RW","varp":"(QB)","varScopep":"UNLINKED","classOrPackagep":"UNLINKED"}
],
"pinsp": [
{"type":"CONST","name":"\\\"(bvsle sublength length)\\\"","addr":"(GE)","loc":"d,51:17,51:19","dtypep":"(M)"}
{"type":"CONST","name":"\\\"length\\\"","addr":"(AE)","loc":"d,25:7,25:13","dtypep":"(M)"}
]}
]}
],"scopeNamep": []},
{"type":"TASK","name":"meth_setup_constraint","addr":"(GC)","loc":"d,7:1,7:6","method":true,"dpiExport":false,"dpiImport":false,"dpiOpenChild":false,"dpiOpenParent":false,"prototype":false,"recursive":false,"taskPublic":false,"cname":"meth_setup_constraint","fvarp": [],"classOrPackagep": [],"stmtsp": [],"scopeNamep": []}
{"type":"TASK","name":"ifs_setup_constraint","addr":"(YC)","loc":"d,7:1,7:6","method":true,"dpiExport":false,"dpiImport":false,"dpiOpenChild":false,"dpiOpenParent":false,"prototype":false,"recursive":false,"taskPublic":false,"cname":"ifs_setup_constraint","fvarp": [],"classOrPackagep": [],"stmtsp": [],"scopeNamep": []},
{"type":"TASK","name":"arr_uniq_setup_constraint","addr":"(BD)","loc":"d,7:1,7:6","method":true,"dpiExport":false,"dpiImport":false,"dpiOpenChild":false,"dpiOpenParent":false,"prototype":false,"recursive":false,"taskPublic":false,"cname":"arr_uniq_setup_constraint","fvarp": [],"classOrPackagep": [],"stmtsp": [],"scopeNamep": []},
{"type":"TASK","name":"order_setup_constraint","addr":"(ED)","loc":"d,7:1,7:6","method":true,"dpiExport":false,"dpiImport":false,"dpiOpenChild":false,"dpiOpenParent":false,"prototype":false,"recursive":false,"taskPublic":false,"cname":"order_setup_constraint","fvarp": [],"classOrPackagep": [],"stmtsp": [],"scopeNamep": []},
{"type":"TASK","name":"dis_setup_constraint","addr":"(HD)","loc":"d,7:1,7:6","method":true,"dpiExport":false,"dpiImport":false,"dpiOpenChild":false,"dpiOpenParent":false,"prototype":false,"recursive":false,"taskPublic":false,"cname":"dis_setup_constraint","fvarp": [],"classOrPackagep": [],
"stmtsp": [
{"type":"STMTEXPR","name":"","addr":"(BE)","loc":"d,49:7,49:11",
"exprp": [
{"type":"CMETHODHARD","name":"hard","addr":"(CE)","loc":"d,49:7,49:11","dtypep":"(LB)",
"fromp": [
{"type":"VARREF","name":"constraint","addr":"(DE)","loc":"d,49:7,49:11","dtypep":"(PB)","access":"RW","varp":"(QB)","varScopep":"UNLINKED","classOrPackagep":"UNLINKED"}
],
"pinsp": [
{"type":"CONST","name":"\\\"sublength\\\"","addr":"(EE)","loc":"d,49:12,49:21","dtypep":"(M)"}
]}
]},
{"type":"STMTEXPR","name":"","addr":"(FE)","loc":"d,50:7,50:14",
"exprp": [
{"type":"CMETHODHARD","name":"hard","addr":"(GE)","loc":"d,50:7,50:14","dtypep":"(LB)",
"fromp": [
{"type":"VARREF","name":"constraint","addr":"(HE)","loc":"d,50:7,50:14","dtypep":"(PB)","access":"RW","varp":"(QB)","varScopep":"UNLINKED","classOrPackagep":"UNLINKED"}
],
"pinsp": [
{"type":"CONST","name":"\\\"sublength\\\"","addr":"(IE)","loc":"d,50:20,50:29","dtypep":"(M)"}
]}
]},
{"type":"STMTEXPR","name":"","addr":"(JE)","loc":"d,51:17,51:19",
"exprp": [
{"type":"CMETHODHARD","name":"hard","addr":"(KE)","loc":"d,51:17,51:19","dtypep":"(LB)",
"fromp": [
{"type":"VARREF","name":"constraint","addr":"(LE)","loc":"d,51:17,51:19","dtypep":"(PB)","access":"RW","varp":"(QB)","varScopep":"UNLINKED","classOrPackagep":"UNLINKED"}
],
"pinsp": [
{"type":"CONST","name":"\\\"(bvsle sublength length)\\\"","addr":"(ME)","loc":"d,51:17,51:19","dtypep":"(M)"}
]}
]}
],"scopeNamep": []},
{"type":"TASK","name":"meth_setup_constraint","addr":"(KD)","loc":"d,7:1,7:6","method":true,"dpiExport":false,"dpiImport":false,"dpiOpenChild":false,"dpiOpenParent":false,"prototype":false,"recursive":false,"taskPublic":false,"cname":"meth_setup_constraint","fvarp": [],"classOrPackagep": [],"stmtsp": [],"scopeNamep": []}
],"activesp": [],"extendsp": []}
],"activesp": []}
],"filesp": [],
@ -213,30 +226,31 @@
{"type":"TYPETABLE","name":"","addr":"(C)","loc":"a,0:0,0:0","constraintRefp":"UNLINKED","emptyQueuep":"UNLINKED","queueIndexp":"UNLINKED","streamp":"UNLINKED","voidp":"(LB)",
"typesp": [
{"type":"BASICDTYPE","name":"logic","addr":"(GB)","loc":"d,22:14,22:15","dtypep":"(GB)","keyword":"logic","generic":true,"rangep": []},
{"type":"BASICDTYPE","name":"logic","addr":"(HE)","loc":"d,25:21,25:22","dtypep":"(HE)","keyword":"logic","range":"31:0","generic":true,"rangep": []},
{"type":"BASICDTYPE","name":"logic","addr":"(NE)","loc":"d,25:21,25:22","dtypep":"(NE)","keyword":"logic","range":"31:0","generic":true,"rangep": []},
{"type":"BASICDTYPE","name":"string","addr":"(M)","loc":"d,71:7,71:13","dtypep":"(M)","keyword":"string","generic":true,"rangep": []},
{"type":"BASICDTYPE","name":"int","addr":"(Q)","loc":"d,8:9,8:12","dtypep":"(Q)","keyword":"int","range":"31:0","generic":true,"rangep": []},
{"type":"BASICDTYPE","name":"bit","addr":"(U)","loc":"d,11:9,11:12","dtypep":"(U)","keyword":"bit","generic":true,"rangep": []},
{"type":"UNPACKARRAYDTYPE","name":"","addr":"(Y)","loc":"d,15:18,15:19","dtypep":"(Y)","isCompound":false,"declRange":"[0:1]","generic":false,"refDTypep":"(Q)","childDTypep": [],
"rangep": [
{"type":"RANGE","name":"","addr":"(IE)","loc":"d,15:18,15:19","ascending":true,
{"type":"RANGE","name":"","addr":"(OE)","loc":"d,15:18,15:19","ascending":true,
"leftp": [
{"type":"CONST","name":"32'h0","addr":"(JE)","loc":"d,15:19,15:20","dtypep":"(HE)"}
{"type":"CONST","name":"32'h0","addr":"(PE)","loc":"d,15:19,15:20","dtypep":"(NE)"}
],
"rightp": [
{"type":"CONST","name":"32'h1","addr":"(KE)","loc":"d,15:19,15:20","dtypep":"(HE)"}
{"type":"CONST","name":"32'h1","addr":"(QE)","loc":"d,15:19,15:20","dtypep":"(NE)"}
]}
]},
{"type":"VOIDDTYPE","name":"","addr":"(LB)","loc":"d,7:1,7:6","dtypep":"(LB)","generic":false},
{"type":"CLASSREFDTYPE","name":"Packet","addr":"(H)","loc":"d,67:4,67:10","dtypep":"(H)","generic":false,"classp":"(O)","classOrPackagep":"(O)","paramsp": []},
{"type":"BASICDTYPE","name":"VlRandomizer","addr":"(IC)","loc":"d,7:1,7:6","dtypep":"(IC)","keyword":"VlRandomizer","generic":true,"rangep": []},
{"type":"BASICDTYPE","name":"logic","addr":"(OC)","loc":"d,8:9,8:12","dtypep":"(OC)","keyword":"logic","range":"63:0","generic":true,"rangep": []}
{"type":"BASICDTYPE","name":"bit","addr":"(LC)","loc":"d,7:1,7:6","dtypep":"(LC)","keyword":"bit","range":"31:0","generic":true,"rangep": []},
{"type":"BASICDTYPE","name":"VlRandomizer","addr":"(PB)","loc":"d,7:1,7:6","dtypep":"(PB)","keyword":"VlRandomizer","generic":true,"rangep": []},
{"type":"BASICDTYPE","name":"logic","addr":"(TB)","loc":"d,8:9,8:12","dtypep":"(TB)","keyword":"logic","range":"63:0","generic":true,"rangep": []}
]},
{"type":"CONSTPOOL","name":"","addr":"(D)","loc":"a,0:0,0:0",
"modulep": [
{"type":"MODULE","name":"@CONST-POOL@","addr":"(LE)","loc":"a,0:0,0:0","origName":"@CONST-POOL@","level":0,"modPublic":false,"inLibrary":false,"dead":false,"recursiveClone":false,"recursive":false,"timeunit":"NONE","inlinesp": [],
{"type":"MODULE","name":"@CONST-POOL@","addr":"(RE)","loc":"a,0:0,0:0","origName":"@CONST-POOL@","level":0,"modPublic":false,"inLibrary":false,"dead":false,"recursiveClone":false,"recursive":false,"timeunit":"NONE","inlinesp": [],
"stmtsp": [
{"type":"SCOPE","name":"@CONST-POOL@","addr":"(ME)","loc":"a,0:0,0:0","aboveScopep":"UNLINKED","aboveCellp":"UNLINKED","modp":"(LE)","varsp": [],"blocksp": [],"inlinesp": []}
{"type":"SCOPE","name":"@CONST-POOL@","addr":"(SE)","loc":"a,0:0,0:0","aboveScopep":"UNLINKED","aboveCellp":"UNLINKED","modp":"(RE)","varsp": [],"blocksp": [],"inlinesp": []}
],"activesp": []}
]}
]}

22
test_regress/t/t_constraint_state.pl Executable file
View File

@ -0,0 +1,22 @@
#!/usr/bin/env perl
if (!$::Driver) { use FindBin; exec("$FindBin::Bin/bootstrap.pl", @ARGV, $0); die; }
# DESCRIPTION: Verilator: Verilog Test driver/expect definition
#
# Copyright 2019 by Wilson Snyder. This program is free software; you
# can redistribute it and/or modify it under the terms of either the GNU
# Lesser General Public License Version 3 or the Perl Artistic License
# Version 2.0.
# SPDX-License-Identifier: LGPL-3.0-only OR Artistic-2.0
scenarios(simulator => 1);
compile(
);
execute(
check_finished => 1,
);
ok(1);
1;

36
test_regress/t/t_constraint_state.v Normal file
View File

@ -0,0 +1,36 @@
// DESCRIPTION: Verilator: Verilog Test module
//
// This file ONLY is placed under the Creative Commons Public Domain, for
// any use, without warranty, 2023 by Antmicro Ltd.
// SPDX-License-Identifier: CC0-1.0
class Packet;
rand int rf;
int state;
constraint c { rf == state; }
endclass
module t (/*AUTOARG*/);
Packet p;
int v;
initial begin
p = new;
p.state = 123;
v = p.randomize();
if (v != 1) $stop;
if (p.rf != 123) $stop;
p.state = 234;
v = p.randomize();
if (v != 1) $stop;
if (p.rf != 234) $stop;
$write("*-* All Finished *-*\n");
$finish;
end
endmodule

75
test_regress/t/t_constraint_xml.out
View File

@ -48,6 +48,44 @@
</assign>
</func>
<func loc="d,7,1,7,6" name="new" dtype_id="7">
<stmtexpr loc="d,8,13,8,19">
<cmethodhard loc="d,8,13,8,19" name="write_var" dtype_id="7">
<varref loc="d,8,13,8,19" name="constraint" dtype_id="8"/>
<varref loc="d,8,13,8,19" name="header" dtype_id="3"/>
<const loc="d,8,9,8,12" name="64&apos;h20" dtype_id="9"/>
<cexpr loc="d,8,13,8,19" dtype_id="3">
<text loc="d,8,13,8,19"/>
</cexpr>
</cmethodhard>
</stmtexpr>
<stmtexpr loc="d,9,13,9,19">
<cmethodhard loc="d,9,13,9,19" name="write_var" dtype_id="7">
<varref loc="d,9,13,9,19" name="constraint" dtype_id="8"/>
<varref loc="d,9,13,9,19" name="length" dtype_id="3"/>
<const loc="d,8,9,8,12" name="64&apos;h20" dtype_id="9"/>
<cexpr loc="d,9,13,9,19" dtype_id="3">
<text loc="d,9,13,9,19"/>
</cexpr>
</cmethodhard>
</stmtexpr>
<stmtexpr loc="d,10,13,10,22">
<cmethodhard loc="d,10,13,10,22" name="write_var" dtype_id="7">
<varref loc="d,10,13,10,22" name="constraint" dtype_id="8"/>
<varref loc="d,10,13,10,22" name="sublength" dtype_id="3"/>
<const loc="d,8,9,8,12" name="64&apos;h20" dtype_id="9"/>
<cexpr loc="d,10,13,10,22" dtype_id="3">
<text loc="d,10,13,10,22"/>
</cexpr>
</cmethodhard>
</stmtexpr>
</func>
<func loc="d,7,1,7,6" name="randomize" dtype_id="10">
<var loc="d,7,1,7,6" name="randomize" dtype_id="10" dir="output" vartype="bit" origName="randomize"/>
<stmtexpr loc="d,7,1,7,6">
<cmethodhard loc="d,7,1,7,6" name="clear" dtype_id="7">
<varref loc="d,7,1,7,6" name="constraint" dtype_id="8"/>
</cmethodhard>
</stmtexpr>
<stmtexpr loc="d,19,15,19,20">
<taskref loc="d,19,15,19,20" name="empty_setup_constraint" dtype_id="7"/>
</stmtexpr>
@ -73,32 +111,12 @@
<task loc="d,7,1,7,6" name="empty_setup_constraint"/>
<var loc="d,19,15,19,20" name="constraint" dtype_id="8" vartype="VlRandomizer" origName="constraint"/>
<task loc="d,7,1,7,6" name="size_setup_constraint">
<stmtexpr loc="d,8,13,8,19">
<cmethodhard loc="d,8,13,8,19" name="write_var" dtype_id="7">
<varref loc="d,8,13,8,19" name="constraint" dtype_id="8"/>
<varref loc="d,8,13,8,19" name="header" dtype_id="3"/>
<const loc="d,8,9,8,12" name="64&apos;h20" dtype_id="9"/>
<cexpr loc="d,8,13,8,19" dtype_id="3">
<text loc="d,8,13,8,19"/>
</cexpr>
</cmethodhard>
</stmtexpr>
<stmtexpr loc="d,22,18,22,20">
<cmethodhard loc="d,22,18,22,20" name="hard" dtype_id="7">
<varref loc="d,22,18,22,20" name="constraint" dtype_id="8"/>
<const loc="d,22,18,22,20" name="&quot;(and (bvsgt header #x00000000) (bvsle header #x00000007))&quot;" dtype_id="2"/>
</cmethodhard>
</stmtexpr>
<stmtexpr loc="d,9,13,9,19">
<cmethodhard loc="d,9,13,9,19" name="write_var" dtype_id="7">
<varref loc="d,9,13,9,19" name="constraint" dtype_id="8"/>
<varref loc="d,9,13,9,19" name="length" dtype_id="3"/>
<const loc="d,8,9,8,12" name="64&apos;h20" dtype_id="9"/>
<cexpr loc="d,9,13,9,19" dtype_id="3">
<text loc="d,9,13,9,19"/>
</cexpr>
</cmethodhard>
</stmtexpr>
<stmtexpr loc="d,23,14,23,16">
<cmethodhard loc="d,23,14,23,16" name="hard" dtype_id="7">
<varref loc="d,23,14,23,16" name="constraint" dtype_id="8"/>
@ -122,16 +140,6 @@
<task loc="d,7,1,7,6" name="arr_uniq_setup_constraint"/>
<task loc="d,7,1,7,6" name="order_setup_constraint"/>
<task loc="d,7,1,7,6" name="dis_setup_constraint">
<stmtexpr loc="d,10,13,10,22">
<cmethodhard loc="d,10,13,10,22" name="write_var" dtype_id="7">
<varref loc="d,10,13,10,22" name="constraint" dtype_id="8"/>
<varref loc="d,10,13,10,22" name="sublength" dtype_id="3"/>
<const loc="d,8,9,8,12" name="64&apos;h20" dtype_id="9"/>
<cexpr loc="d,10,13,10,22" dtype_id="3">
<text loc="d,10,13,10,22"/>
</cexpr>
</cmethodhard>
</stmtexpr>
<stmtexpr loc="d,49,7,49,11">
<cmethodhard loc="d,49,7,49,11" name="hard" dtype_id="7">
<varref loc="d,49,7,49,11" name="constraint" dtype_id="8"/>
@ -156,18 +164,19 @@
</package>
<typetable loc="a,0,0,0,0">
<basicdtype loc="d,22,14,22,15" id="6" name="logic"/>
<basicdtype loc="d,25,21,25,22" id="10" name="logic" left="31" right="0"/>
<basicdtype loc="d,25,21,25,22" id="11" name="logic" left="31" right="0"/>
<basicdtype loc="d,71,7,71,13" id="2" name="string"/>
<basicdtype loc="d,8,9,8,12" id="3" name="int" left="31" right="0" signed="true"/>
<basicdtype loc="d,11,9,11,12" id="4" name="bit"/>
<unpackarraydtype loc="d,15,18,15,19" id="5" sub_dtype_id="3">
<range loc="d,15,18,15,19">
<const loc="d,15,19,15,20" name="32&apos;h0" dtype_id="10"/>
<const loc="d,15,19,15,20" name="32&apos;h1" dtype_id="10"/>
<const loc="d,15,19,15,20" name="32&apos;h0" dtype_id="11"/>
<const loc="d,15,19,15,20" name="32&apos;h1" dtype_id="11"/>
</range>
</unpackarraydtype>
<voiddtype loc="d,7,1,7,6" id="7"/>
<classrefdtype loc="d,67,4,67,10" id="1" name="Packet"/>
<basicdtype loc="d,7,1,7,6" id="10" name="bit" left="31" right="0" signed="true"/>
<basicdtype loc="d,7,1,7,6" id="8" name="VlRandomizer"/>
<basicdtype loc="d,8,9,8,12" id="9" name="logic" left="63" right="0"/>
</typetable>

4
test_regress/t/t_randomize.out
View File

@ -3,10 +3,6 @@
| ^~~~
... For warning description see https://verilator.org/warn/CONSTRAINTIGN?v=latest
... Use "/* verilator lint_off CONSTRAINTIGN */" and lint_on around source to disable this message.
%Warning-CONSTRAINTIGN: t/t_randomize.v:38:16: State-dependent constraint ignored (unsupported)
: ... note: In instance 't'
38 | array[i] inside {2, 4, 6};
| ^
%Warning-CONSTRAINTIGN: t/t_randomize.v:26:7: Constraint expression ignored (unsupported)
: ... note: In instance 't'
26 | if (header > 4) {

11
test_regress/t/t_randomize_method_types_unsup.out
View File

@ -1,16 +1,7 @@
%Warning-CONSTRAINTIGN: t/t_randomize_method_types_unsup.v:20:30: State-dependent constraint ignored (unsupported)
: ... note: In instance 't'
20 | constraint statedep { i < st + 2; }
| ^~
... For warning description see https://verilator.org/warn/CONSTRAINTIGN?v=latest
... Use "/* verilator lint_off CONSTRAINTIGN */" and lint_on around source to disable this message.
%Error-UNSUPPORTED: t/t_randomize_method_types_unsup.v:19:25: Unsupported: random member variable with type 'int$[]'
19 | constraint dynsize { dynarr.size < 20; }
| ^~~~~~
%Warning-CONSTRAINTIGN: t/t_randomize_method_types_unsup.v:20:28: Constraint expression ignored (unsupported)
: ... note: In instance 't'
20 | constraint statedep { i < st + 2; }
| ^
... For error description see https://verilator.org/warn/UNSUPPORTED?v=latest
%Error-UNSUPPORTED: t/t_randomize_method_types_unsup.v:12:13: Unsupported: random member variable with type 'int$[string]'
: ... note: In instance 't'
12 | rand int assocarr[string];