[llvm-dev] emitter tableGen stack dumped error

Varun Patil via llvm-dev llvm-dev at lists.llvm.org
Thu Nov 10 04:04:30 PST 2016

Hi Developers,

I have started developing LLVM backend for my Target.
Unfortunately, I hit quite a few times very cryptic error messages when
with TableGen.
 The most cryptic error message was when compiling with TableGen, with the
-gen-emitter . Here I got the following error message:
std::pair<unsigned int, unsigned int>
llvm::CGIOperandList::getSubOperandNumber(unsigned int) const: Assertion `i
< OperandList.size() && "Invalid flat operand #"' failed.
0  llvm-tblgen     0x0000000000641025
1  llvm-tblgen     0x0000000000641380
2  llvm-tblgen     0x000000000063f656
3  llvm-tblgen     0x000000000064099d
4  libpthread.so.0 0x00002abdd763b330
5  libc.so.6       0x00002abdd84ccc37 gsignal + 55
6  libc.so.6       0x00002abdd84d0028 abort + 328
7  libc.so.6       0x00002abdd84c5bf6
8  libc.so.6       0x00002abdd84c5ca2
9  llvm-tblgen     0x000000000042aa36
10 llvm-tblgen     0x000000000045f8f1
11 llvm-tblgen     0x0000000000460215
12 llvm-tblgen     0x0000000000460996
13 llvm-tblgen     0x0000000000460d27
14 llvm-tblgen     0x00000000005ce3df
15 llvm-tblgen     0x0000000000660bf9
16 llvm-tblgen     0x00000000005cea27
17 libc.so.6       0x00002abdd84b7f45 __libc_start_main + 245
18 llvm-tblgen     0x00000000004059e9
Stack dump:
0.    Program arguments: ../../../bin/llvm-tblgen -gen-emitter -I
/home/varun/workspace-llvm/llvm/lib/Target/LEG -I
/home/varun/workspace-llvm/llvm/lib/Target -I
/home/varun/workspace-llvm/llvm/lib/Target/LEG/LEG.td -o

Aborted (core dumped)

Please help me to solve this error.
Thank you in advance

Thanks and Regards
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