[PATCH] D121572: [X86][NFC] Generate mnemonic tables

Mon Mar 21 07:24:04 PDT 2022

Amir added a comment.

In D121572#3396218 <https://reviews.llvm.org/D121572#3396218>, @uabelho wrote:

> Hello,
>
> I noticed that if compilng with ubsan
> -DLLVM_USE_SANITIZER='Undefined'
> you get the following error when compiling llc with this patch:
>
> FAILED: lib/Target/X86/X86GenMnemonicTables.inc
> cd /repo/uabelho/master-github/llvm/build-all-bbisdk-ubsan && /repo/uabelho/master-github/llvm/build-all-bbisdk-ubsan/bin/llvm-tblgen -gen-x86-mnemonic-tables -asmwriternum=1 -I /repo/uabelho/master-github/llvm/lib/Target/X86 -I/repo/uabelho/master-github/llvm/build-all-bbisdk-ubsan/include -I/repo/uabelho/master-github/llvm/include -I /repo/uabelho/master-github/llvm/lib/Target /repo/uabelho/master-github/llvm/lib/Target/X86/X86.td --write-if-changed -o lib/Target/X86/X86GenMnemonicTables.inc -d lib/Target/X86/X86GenMnemonicTables.inc.d
> ../utils/TableGen/X86MnemonicTables.cpp:52:29: runtime error: load of value 170, which is not a valid value for type 'bool'
> SUMMARY: UndefinedBehaviorSanitizer: undefined-behavior ../utils/TableGen/X86MnemonicTables.cpp:52:29 in

Hello and thanks for reporting! Working on it. Note there's an earlier report here: https://reviews.llvm.org/D121571#3396209

Repository:
  rG LLVM Github Monorepo

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