[llvm] Emit DW_OP_lit0/1 for constant boolean values (PR #155539)

LLVM Continuous Integration via llvm-commits llvm-commits at lists.llvm.org
Sat Aug 30 03:14:11 PDT 2025 

llvm-ci wrote:

LLVM Buildbot has detected a new failure on builder `ppc64le-lld-multistage-test` running on `ppc64le-lld-multistage-test` while building `llvm` at step 7 "test-build-stage1-unified-tree-check-all".

Full details are available at: https://lab.llvm.org/buildbot/#/builders/168/builds/15745

<details>
<summary>Here is the relevant piece of the build log for the reference</summary>

```
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     ~
           .
...
Step 13 (test-build-stage2-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/stage2/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/stage2/bin/llvm-dwarfdump - | /home/buildbots/llvm-external-buildbots/workers/ppc64le-lld-multistage-test/ppc64le-lld-multistage-test/build/stage2/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/stage2/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/stage2/bin/llvm-dwarfdump -
+ /home/buildbots/llvm-external-buildbots/workers/ppc64le-lld-multistage-test/ppc64le-lld-multistage-test/build/stage2/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     ~
           .
...

```

</details>

https://github.com/llvm/llvm-project/pull/155539

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