[all-commits] [llvm/llvm-project] 055f9f: [BOLT][NFC] Simplify debug logging in case of JT h...

[Amir Ayupov via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 055f9f6d0869abcb35c6ce142436c9dd1a9393b6
      https://github.com/llvm/llvm-project/commit/055f9f6d0869abcb35c6ce142436c9dd1a9393b6
  Author: Amir Ayupov <aaupov at fb.com>
  Date:   2022-08-17 (Wed, 17 Aug 2022)

  Changed paths:
    M bolt/lib/Core/BinaryContext.cpp

  Log Message:
  -----------
  [BOLT][NFC] Simplify debug logging in case of JT heuristic failure

Move logging into LLVM_DEBUG scope.
Remove redundant printing of jump table parents:

Old logging:
```
failed to analyze jump table in function _ZN12_GLOBAL__N_116InitHeaderSearch23Ad
dDefaultCIncludePathsERKN4llvm6TripleERKN5clang19HeaderSearchOptionsE/1(*2)
PIC Jump table JUMP_TABLE/_ZN12_GLOBAL__N_116InitHeaderSearch23AddDefaultCInclud
ePathsERKN4llvm6TripleERKN5clang19HeaderSearchOptionsE/1.1 for function _ZN12_GL
OBAL__N_116InitHeaderSearch23AddDefaultCIncludePathsERKN4llvm6TripleERKN5clang19
HeaderSearchOptionsE/1(*2) at 0x65996e0 with a total count of 0:
  0x9dc

next jump table at 0x659a810 belongs to function _ZN5clang5Lexer40LexDependencyD
irectiveTokenWhileSkippingERNS_5TokenE
PIC Jump table JUMP_TABLE/_ZN5clang5Lexer40LexDependencyDirectiveTokenWhileSkipp
ingERNS_5TokenE.0 for function _ZN5clang5Lexer40LexDependencyDirectiveTokenWhile
SkippingERNS_5TokenE at 0x659a810 with a total count of 0:

jump table heuristic failure
```

New logging:
```
failed to analyze PIC Jump table JUMP_TABLE/_ZN12_GLOBAL__N_116InitHeaderSearch2
3AddDefaultCIncludePathsERKN4llvm6TripleERKN5clang19HeaderSearchOptionsE/1.1 for
function _ZN12_GLOBAL__N_116InitHeaderSearch23AddDefaultCIncludePathsERKN4llvm6T
ripleERKN5clang19HeaderSearchOptionsE/1(*2) at 0x65996e0 with a total count of 0:
  absolute offset: 0x52ac58c

next PIC Jump table JUMP_TABLE/_ZN5clang5Lexer40LexDependencyDirectiveTokenWhile
SkippingERNS_5TokenE.0 for function _ZN5clang5Lexer40LexDependencyDirectiveToken
WhileSkippingERNS_5TokenE at 0x659a810 with a total count of 0:

jump table heuristic failure
```

Reviewed By: rafauler

Differential Revision: https://reviews.llvm.org/D131243