Thank u greatly! I upgrade verilator version to v4.202 and this issue has solved. However another errors occurred as followed:
home/llf/tvm/3rdparty/vta-hw/build/verilator/VTest_DotProduct__Slow.cpp:12:1: error: ISO C++ forbids declaration of ‘VL_CTOR_IMP’ with no type [-fpermissive]
12 | VL_CTOR_IMP(VTest_DotProduct) {
| ^~~~~~~~~~~
/home/llf/tvm/3rdparty/vta-hw/build/verilator/VTest_DotProduct__Slow.cpp: In function ‘int VL_CTOR_IMP(VTest_DotProduct)’:
/home/llf/tvm/3rdparty/vta-hw/build/verilator/VTest_DotProduct__Slow.cpp:15:5: error: ‘_ctor_var_reset’ was not declared in this scope
15 | _ctor_var_reset();
| ^~~~~~~~~~~~~~~
/home/llf/tvm/3rdparty/vta-hw/build/verilator/VTest_DotProduct__Slow.cpp:16:1: warning: no return statement in function returning non-void [-Wreturn-type]
16 | }
| ^
/home/llf/tvm/3rdparty/vta-hw/build/verilator/VTest__Slow.cpp:12:1: error: ISO C++ forbids declaration of ‘VL_CTOR_IMP’ with no type [-fpermissive]
12 | VL_CTOR_IMP(VTest) {
| ^~~~~~~~~~~
/home/llf/tvm/3rdparty/vta-hw/build/verilator/VTest__Slow.cpp: In function ‘int VL_CTOR_IMP(VTest)’:
/home/llf/tvm/3rdparty/vta-hw/build/verilator/VTest__Slow.cpp:13:39: error: ‘__VlSymsp’ was not declared in this scope; did you mean ‘vlSymsp’?
13 | VTest__Syms* __restrict vlSymsp = __VlSymsp = new VTest__Syms(this, name());
| ^~~~~~~~~
| vlSymsp
/home/llf/tvm/3rdparty/vta-hw/build/verilator/VTest__Slow.cpp:13:67: error: invalid use of ‘this’ in non-member function
13 | VTest__Syms* __restrict vlSymsp = __VlSymsp = new VTest__Syms(this, name());
| ^~~~
/home/llf/tvm/3rdparty/vta-hw/build/verilator/VTest__Slow.cpp:13:73: error: ‘name’ was not declared in this scope; did you mean ‘tzname’?
13 | VTest__Syms* __restrict vlSymsp = __VlSymsp = new VTest__Syms(this, name());
| ^~~~
| tzname
/home/llf/tvm/3rdparty/vta-hw/build/verilator/VTest__Slow.cpp:34:5: error: ‘_ctor_var_reset’ was not declared in this scope
34 | _ctor_var_reset();
| ^~~~~~~~~~~~~~~
/home/llf/tvm/3rdparty/vta-hw/build/verilator/VTest__Slow.cpp:35:1: warning: no return statement in function returning non-void [-Wreturn-type]
35 | }
| ^
/home/llf/tvm/3rdparty/vta-hw/build/verilator/VTest__Slow.cpp: In member function ‘void VTest::__Vconfigure(VTest__Syms*, bool)’:
/home/llf/tvm/3rdparty/vta-hw/build/verilator/VTest__Slow.cpp:41:28: error: no matching function for call to ‘Verilated::timeunit(int)’
41 | Verilated::timeunit(-12);
| ^
In file included from /home/llf/tvm/3rdparty/vta-hw/build/verilator/VTest.h:11,
from :
/usr/local/share/verilator/include/verilated.h:785:16: note: candidate: ‘static int Verilated::timeunit()’
785 | static int timeunit() VL_MT_SAFE { return Verilated::threadContextp()->timeunit(); }
| ^~~~~~~~
/usr/local/share/verilator/include/verilated.h:785:16: note: candidate expects 0 arguments, 1 provided
/home/llf/tvm/3rdparty/vta-hw/build/verilator/VTest__Slow.cpp:42:33: error: no matching function for call to ‘Verilated::timeprecision(int)’
42 | Verilated::timeprecision(-12);
| ^
In file included from /home/llf/tvm/3rdparty/vta-hw/build/verilator/VTest.h:11,
from :
/usr/local/share/verilator/include/verilated.h:786:16: note: candidate: ‘static int Verilated::timeprecision()’
786 | static int timeprecision() VL_MT_SAFE { return Verilated::threadContextp()->timeprecision(); }
| ^~~~~~~~~~~~~
/usr/local/share/verilator/include/verilated.h:786:16: note: candidate expects 0 arguments, 1 provided
/home/llf/tvm/3rdparty/vta-hw/build/verilator/VTest__Syms.cpp: In constructor ‘VTest__Syms::VTest__Syms(VTest*, const char*)’:
/home/llf/tvm/3rdparty/vta-hw/build/verilator/VTest__Syms.cpp:31:181: error: no matching function for call to ‘VerilatedSyms::VerilatedSyms()’
31 | 9(Verilated::catName(topp->name(), “Test.vta_shell.core.compute.tensorGemm.mvc.dot_9”))
| ^
In file included from /home/llf/tvm/3rdparty/vta-hw/build/verilator/VTest.h:11,
from :
/usr/local/share/verilator/include/verilated.h:568:14: note: candidate: ‘VerilatedSyms::VerilatedSyms(VerilatedContext*)’
568 | explicit VerilatedSyms(VerilatedContext* contextp); // Pass null for default context
| ^~~~~~~~~~~~~
/usr/local/share/verilator/include/verilated.h:568:14: note: candidate expects 1 argument, 0 provided
/usr/local/share/verilator/include/verilated.h:560:7: note: candidate: ‘constexpr VerilatedSyms::VerilatedSyms(const VerilatedSyms&)’
560 | class VerilatedSyms VL_NOT_FINAL {
| ^~~~~~~~~~~~~
/usr/local/share/verilator/include/verilated.h:560:7: note: candidate expects 1 argument, 0 provided
I dont know what’s wrong and am really confused. My sbt version is 1.4.9. 
