[Mlir-commits] [flang] [mlir] [MLIR][LLVM] Add variant part debug info support (PR #195321)

[LLVM Continuous Integration]

llvm-ci wrote:

LLVM Buildbot has detected a new failure on builder `mlir-rocm-mi200` running on `mi200-buildbot` while building `flang,mlir` at step 7 "test-build-check-mlir-build-only-check-mlir".

Full details are available at: https://lab.llvm.org/buildbot/#/builders/177/builds/34071

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

```
Step 7 (test-build-check-mlir-build-only-check-mlir) failure: test (failure)
******************** TEST 'MLIR :: Target/LLVMIR/llvmir-debug.mlir' FAILED ********************
Exit Code: 1

Command Output (stdout):
--
# RUN: at line 1
/vol/worker/mi200-buildbot/mlir-rocm-mi200/build/bin/mlir-translate -mlir-to-llvmir --split-input-file /vol/worker/mi200-buildbot/mlir-rocm-mi200/llvm-project/mlir/test/Target/LLVMIR/llvmir-debug.mlir | /vol/worker/mi200-buildbot/mlir-rocm-mi200/build/bin/FileCheck /vol/worker/mi200-buildbot/mlir-rocm-mi200/llvm-project/mlir/test/Target/LLVMIR/llvmir-debug.mlir --check-prefixes=CHECK,RECORDS
# executed command: /vol/worker/mi200-buildbot/mlir-rocm-mi200/build/bin/mlir-translate -mlir-to-llvmir --split-input-file /vol/worker/mi200-buildbot/mlir-rocm-mi200/llvm-project/mlir/test/Target/LLVMIR/llvmir-debug.mlir
# .---command stderr------------
# | DISubprogram requires a non-null type
# | !3 = distinct !DISubprogram(name: "variant_part_emission", scope: !1, file: !1, spFlags: DISPFlagDefinition, unit: !0)
# `-----------------------------
# error: command failed with exit status: 1
# executed command: /vol/worker/mi200-buildbot/mlir-rocm-mi200/build/bin/FileCheck /vol/worker/mi200-buildbot/mlir-rocm-mi200/llvm-project/mlir/test/Target/LLVMIR/llvmir-debug.mlir --check-prefixes=CHECK,RECORDS
# .---command stderr------------
# | /vol/worker/mi200-buildbot/mlir-rocm-mi200/llvm-project/mlir/test/Target/LLVMIR/llvmir-debug.mlir:837:17: error: CHECK-LABEL: expected string not found in input
# | // CHECK-LABEL: define void @variant_part_emission
# |                 ^
# | <stdin>:507:34: note: scanning from here
# | define void @fn_cu_import_cycle() !dbg !6 {
# |                                  ^
# | <stdin>:514:89: note: possible intended match here
# | !0 = distinct !DICompileUnit(language: DW_LANG_C, file: !1, producer: "p", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug, imports: !2)
# |                                                                                         ^
# | 
# | Input file: <stdin>
# | Check file: /vol/worker/mi200-buildbot/mlir-rocm-mi200/llvm-project/mlir/test/Target/LLVMIR/llvmir-debug.mlir
# | 
# | -dump-input=help explains the following input dump.
# | 
# | Input was:
# | <<<<<<
# |              .
# |              .
# |              .
# |            502: !9 = !DILocation(line: 22, column: 3, scope: !6) 
# |            503:  
# |            504: ; ModuleID = 'LLVMDialectModule' 
# |            505: source_filename = "LLVMDialectModule" 
# |            506:  
# |            507: define void @fn_cu_import_cycle() !dbg !6 { 
# | label:837'0                                      X~~~~~~~~~~ error: no match found
# |            508:  ret void, !dbg !9 
# | label:837'0     ~~~~~~~~~~~~~~~~~~~
# |            509: } 
# | label:837'0     ~~
# |            510:  
# | label:837'0     ~
# |            511: !llvm.dbg.cu = !{!0} 
# | label:837'0     ~~~~~~~~~~~~~~~~~~~~~
...

```

</details>

https://github.com/llvm/llvm-project/pull/195321