[llvm] [DebugInfo][RemoveDIs] Remove some debug intrinsic-only codepaths (PR #143451)

[LLVM Continuous Integration via llvm-commits]

llvm-ci wrote:

LLVM Buildbot has detected a new failure on builder `ppc64le-mlir-rhel-clang` running on `ppc64le-mlir-rhel-test` while building `llvm` at step 6 "test-build-check-mlir-build-only-check-mlir".

Full details are available at: https://lab.llvm.org/buildbot/#/builders/129/builds/22509

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

```
Step 6 (test-build-check-mlir-build-only-check-mlir) failure: test (failure)
******************** TEST 'MLIR :: Target/LLVMIR/omptarget-debug.mlir' FAILED ********************
Exit Code: 2

Command Output (stdout):
--
# RUN: at line 1
/home/buildbots/llvm-external-buildbots/workers/ppc64le-mlir-rhel-test/ppc64le-mlir-rhel-clang-build/build/bin/mlir-translate -mlir-to-llvmir /home/buildbots/llvm-external-buildbots/workers/ppc64le-mlir-rhel-test/ppc64le-mlir-rhel-clang-build/llvm-project/mlir/test/Target/LLVMIR/omptarget-debug.mlir | /home/buildbots/llvm-external-buildbots/workers/ppc64le-mlir-rhel-test/ppc64le-mlir-rhel-clang-build/build/bin/FileCheck /home/buildbots/llvm-external-buildbots/workers/ppc64le-mlir-rhel-test/ppc64le-mlir-rhel-clang-build/llvm-project/mlir/test/Target/LLVMIR/omptarget-debug.mlir
# executed command: /home/buildbots/llvm-external-buildbots/workers/ppc64le-mlir-rhel-test/ppc64le-mlir-rhel-clang-build/build/bin/mlir-translate -mlir-to-llvmir /home/buildbots/llvm-external-buildbots/workers/ppc64le-mlir-rhel-test/ppc64le-mlir-rhel-clang-build/llvm-project/mlir/test/Target/LLVMIR/omptarget-debug.mlir
# .---command stderr------------
# | mlir-translate: /home/buildbots/llvm-external-buildbots/workers/ppc64le-mlir-rhel-test/ppc64le-mlir-rhel-clang-build/llvm-project/llvm/lib/IR/BasicBlock.cpp:63: void llvm::BasicBlock::convertToNewDbgValues(): Assertion `!I.DebugMarker && "DebugMarker already set on old-format instrs?"' failed.
# | PLEASE submit a bug report to https://github.com/llvm/llvm-project/issues/ and include the crash backtrace.
# | Stack dump:
# | 0.	Program arguments: /home/buildbots/llvm-external-buildbots/workers/ppc64le-mlir-rhel-test/ppc64le-mlir-rhel-clang-build/build/bin/mlir-translate -mlir-to-llvmir /home/buildbots/llvm-external-buildbots/workers/ppc64le-mlir-rhel-test/ppc64le-mlir-rhel-clang-build/llvm-project/mlir/test/Target/LLVMIR/omptarget-debug.mlir
# |  #0 0x0000000124ce93dc llvm::sys::PrintStackTrace(llvm::raw_ostream&, int) (/home/buildbots/llvm-external-buildbots/workers/ppc64le-mlir-rhel-test/ppc64le-mlir-rhel-clang-build/build/bin/mlir-translate+0x11e93dc)
# |  #1 0x0000000124ce9b84 PrintStackTraceSignalHandler(void*) Signals.cpp:0:0
# |  #2 0x0000000124ce6800 llvm::sys::RunSignalHandlers() (/home/buildbots/llvm-external-buildbots/workers/ppc64le-mlir-rhel-test/ppc64le-mlir-rhel-clang-build/build/bin/mlir-translate+0x11e6800)
# |  #3 0x0000000124cea09c SignalHandler(int, siginfo_t*, void*) Signals.cpp:0:0
# |  #4 0x00007fffbcc304d8 (linux-vdso64.so.1+0x4d8)
# |  #5 0x00007fffbc4da4c8 raise (/usr/lib64/libc.so.6+0x4a4c8)
# |  #6 0x00007fffbc4b4a54 abort (/usr/lib64/libc.so.6+0x24a54)
# |  #7 0x00007fffbc4cdcb0 __assert_fail_base (/usr/lib64/libc.so.6+0x3dcb0)
# |  #8 0x00007fffbc4cdd54 __assert_fail (/usr/lib64/libc.so.6+0x3dd54)
# |  #9 0x000000012736661c llvm::BasicBlock::convertToNewDbgValues() (/home/buildbots/llvm-external-buildbots/workers/ppc64le-mlir-rhel-test/ppc64le-mlir-rhel-clang-build/build/bin/mlir-translate+0x386661c)
# | #10 0x0000000127421ac4 llvm::Function::convertToNewDbgValues() (/home/buildbots/llvm-external-buildbots/workers/ppc64le-mlir-rhel-test/ppc64le-mlir-rhel-clang-build/build/bin/mlir-translate+0x3921ac4)
# | #11 0x000000012572d834 llvm::Module::setIsNewDbgInfoFormat(bool) ModuleTranslation.cpp:0:0
# | #12 0x000000012572d348 mlir::translateModuleToLLVMIR(mlir::Operation*, llvm::LLVMContext&, llvm::StringRef, bool) (/home/buildbots/llvm-external-buildbots/workers/ppc64le-mlir-rhel-test/ppc64le-mlir-rhel-clang-build/build/bin/mlir-translate+0x1c2d348)
# | #13 0x0000000125718b4c std::_Function_handler<llvm::LogicalResult (mlir::Operation*, llvm::raw_ostream&), mlir::registerToLLVMIRTranslation()::$_0>::_M_invoke(std::_Any_data const&, mlir::Operation*&&, llvm::raw_ostream&) ConvertToLLVMIR.cpp:0:0
# | #14 0x0000000124e81aa0 std::_Function_handler<llvm::LogicalResult (std::shared_ptr<llvm::SourceMgr> const&, llvm::raw_ostream&, mlir::MLIRContext*), mlir::TranslateFromMLIRRegistration::TranslateFromMLIRRegistration(llvm::StringRef, llvm::StringRef, std::function<llvm::LogicalResult (mlir::Operation*, llvm::raw_ostream&)> const&, std::function<void (mlir::DialectRegistry&)> const&)::$_0>::_M_invoke(std::_Any_data const&, std::shared_ptr<llvm::SourceMgr> const&, llvm::raw_ostream&, mlir::MLIRContext*&&) Translation.cpp:0:0
# | #15 0x0000000124ca85b0 llvm::LogicalResult llvm::function_ref<llvm::LogicalResult (std::unique_ptr<llvm::MemoryBuffer, std::default_delete<llvm::MemoryBuffer>>, llvm::raw_ostream&)>::callback_fn<mlir::mlirTranslateMain(int, char**, llvm::StringRef)::$_1>(long, std::unique_ptr<llvm::MemoryBuffer, std::default_delete<llvm::MemoryBuffer>>, llvm::raw_ostream&) MlirTranslateMain.cpp:0:0
# | #16 0x0000000124e97488 mlir::splitAndProcessBuffer(std::unique_ptr<llvm::MemoryBuffer, std::default_delete<llvm::MemoryBuffer>>, llvm::function_ref<llvm::LogicalResult (std::unique_ptr<llvm::MemoryBuffer, std::default_delete<llvm::MemoryBuffer>>, llvm::raw_ostream&)>, llvm::raw_ostream&, llvm::StringRef, llvm::StringRef) (/home/buildbots/llvm-external-buildbots/workers/ppc64le-mlir-rhel-test/ppc64le-mlir-rhel-clang-build/build/bin/mlir-translate+0x1397488)
# | #17 0x0000000124ca384c mlir::mlirTranslateMain(int, char**, llvm::StringRef) (/home/buildbots/llvm-external-buildbots/workers/ppc64le-mlir-rhel-test/ppc64le-mlir-rhel-clang-build/build/bin/mlir-translate+0x11a384c)
# | #18 0x0000000124ca3380 main (/home/buildbots/llvm-external-buildbots/workers/ppc64le-mlir-rhel-test/ppc64le-mlir-rhel-clang-build/build/bin/mlir-translate+0x11a3380)
# | #19 0x00007fffbc4ba9ec generic_start_main.isra.0 (/usr/lib64/libc.so.6+0x2a9ec)
# | #20 0x00007fffbc4bab84 __libc_start_main (/usr/lib64/libc.so.6+0x2ab84)
# `-----------------------------
# error: command failed with exit status: -6
# executed command: /home/buildbots/llvm-external-buildbots/workers/ppc64le-mlir-rhel-test/ppc64le-mlir-rhel-clang-build/build/bin/FileCheck /home/buildbots/llvm-external-buildbots/workers/ppc64le-mlir-rhel-test/ppc64le-mlir-rhel-clang-build/llvm-project/mlir/test/Target/LLVMIR/omptarget-debug.mlir
# .---command stderr------------
# | FileCheck error: '<stdin>' is empty.
# | FileCheck command line:  /home/buildbots/llvm-external-buildbots/workers/ppc64le-mlir-rhel-test/ppc64le-mlir-rhel-clang-build/build/bin/FileCheck /home/buildbots/llvm-external-buildbots/workers/ppc64le-mlir-rhel-test/ppc64le-mlir-rhel-clang-build/llvm-project/mlir/test/Target/LLVMIR/omptarget-debug.mlir
# `-----------------------------
# error: command failed with exit status: 2

--

********************


```

</details>

https://github.com/llvm/llvm-project/pull/143451