[all-commits] [llvm/llvm-project] 101216: Revert "Emit DW_OP_lit0/1 for constant boolean val...

[Michael Buch via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 101216dfdd88a716bfe2bf734e7c94c8fe227f1d
      https://github.com/llvm/llvm-project/commit/101216dfdd88a716bfe2bf734e7c94c8fe227f1d
  Author: Michael Buch <michaelbuch12 at gmail.com>
  Date:   2025-08-30 (Sat, 30 Aug 2025)

  Changed paths:
    M llvm/lib/CodeGen/AsmPrinter/DwarfDebug.cpp
    M llvm/lib/CodeGen/AsmPrinter/DwarfExpression.cpp
    M llvm/lib/CodeGen/AsmPrinter/DwarfExpression.h
    R llvm/test/DebugInfo/debug-bool-const-location.ll

  Log Message:
  -----------
  Revert "Emit DW_OP_lit0/1 for constant boolean values" (#156172)

Reverts llvm/llvm-project#155539

Failing on buildbots with:
```
Step 7 (test-build-stage1-unified-tree-check-all) failure: test (failure)
******************** TEST 'LLVM :: DebugInfo/debug-bool-const-location.ll' FAILED ********************
Exit Code: 1

Command Output (stderr):
--
/home/buildbots/llvm-external-buildbots/workers/ppc64le-lld-multistage-test/ppc64le-lld-multistage-test/build/stage1/bin/llc /home/buildbots/llvm-external-buildbots/workers/ppc64le-lld-multistage-test/ppc64le-lld-multistage-test/llvm-project/llvm/test/DebugInfo/debug-bool-const-location.ll -O3 -filetype=obj -o - | /home/buildbots/llvm-external-buildbots/workers/ppc64le-lld-multistage-test/ppc64le-lld-multistage-test/build/stage1/bin/llvm-dwarfdump - | /home/buildbots/llvm-external-buildbots/workers/ppc64le-lld-multistage-test/ppc64le-lld-multistage-test/build/stage1/bin/FileCheck /home/buildbots/llvm-external-buildbots/workers/ppc64le-lld-multistage-test/ppc64le-lld-multistage-test/llvm-project/llvm/test/DebugInfo/debug-bool-const-location.ll # RUN: at line 2
+ /home/buildbots/llvm-external-buildbots/workers/ppc64le-lld-multistage-test/ppc64le-lld-multistage-test/build/stage1/bin/llc /home/buildbots/llvm-external-buildbots/workers/ppc64le-lld-multistage-test/ppc64le-lld-multistage-test/llvm-project/llvm/test/DebugInfo/debug-bool-const-location.ll -O3 -filetype=obj -o -
+ /home/buildbots/llvm-external-buildbots/workers/ppc64le-lld-multistage-test/ppc64le-lld-multistage-test/build/stage1/bin/llvm-dwarfdump -
+ /home/buildbots/llvm-external-buildbots/workers/ppc64le-lld-multistage-test/ppc64le-lld-multistage-test/build/stage1/bin/FileCheck /home/buildbots/llvm-external-buildbots/workers/ppc64le-lld-multistage-test/ppc64le-lld-multistage-test/llvm-project/llvm/test/DebugInfo/debug-bool-const-location.ll
/home/buildbots/llvm-external-buildbots/workers/ppc64le-lld-multistage-test/ppc64le-lld-multistage-test/llvm-project/llvm/test/DebugInfo/debug-bool-const-location.ll:7:10: error: CHECK: expected string not found in input
; CHECK: {{.*}} DW_OP_lit0
         ^
<stdin>:27:54: note: scanning from here
 [0x0000000000000018, 0x0000000000000020): DW_OP_lit1, DW_OP_stack_value
                                                     ^
<stdin>:28:41: note: possible intended match here
 [0x0000000000000020, 0x0000000000000034): DW_OP_reg3 X3)
                                        ^

Input file: <stdin>
Check file: /home/buildbots/llvm-external-buildbots/workers/ppc64le-lld-multistage-test/ppc64le-lld-multistage-test/llvm-project/llvm/test/DebugInfo/debug-bool-const-location.ll

-dump-input=help explains the following input dump.

Input was:
<<<<<<
           .
           .
           .
          22:  DW_AT_decl_line (5) 
          23:  DW_AT_external (true) 
          24:  
          25: 0x0000003f: DW_TAG_variable 
          26:  DW_AT_location (0x00000000:  
          27:  [0x0000000000000018, 0x0000000000000020): DW_OP_lit1, DW_OP_stack_value 
check:7'0                                                          X~~~~~~~~~~~~~~~~~~~ error: no match found
          28:  [0x0000000000000020, 0x0000000000000034): DW_OP_reg3 X3) 
check:7'0     ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
check:7'1                                             ?                  possible intended match
          29:  DW_AT_name ("arg") 
check:7'0     ~~~~~~~~~~~~~~~~~~~~
          30:  DW_AT_decl_file ("test") 
check:7'0     ~~~~~~~~~~~~~~~~~~~~~~~~~~
          31:  DW_AT_decl_line (5) 
check:7'0     ~~~~~~~~~~~~~~~~~~~~~
          32:  DW_AT_type (0x0000004f "bool") 
check:7'0     ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
          33:  
check:7'0     ~
           .
```



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