[clang] [CIR][OpenMP] Add emitDeclTargetVarDeclLValue for global variable access (PR #234075)

[via cfe-commits]

github-actions[bot] wrote:

<!--PREMERGE ADVISOR COMMENT: Linux-->
# :penguin: Linux x64 Test Results

* 64871 tests passed
* 848 tests skipped
* 2 tests failed

## Failed Tests
(click on a test name to see its output)

### Clang
<details>
<summary>Clang.CIR/CodeGenOpenMP/simd-global-var.cpp</summary>

```
Exit Code: 1

Command Output (stdout):
--
# RUN: at line 1
/home/gha/actions-runner/_work/llvm-project/llvm-project/build/bin/clang -cc1 -internal-isystem /home/gha/actions-runner/_work/llvm-project/llvm-project/build/lib/clang/24/include -nostdsysteminc -fopenmp-simd -triple x86_64-unknown-linux-gnu -fclangir -emit-cir /home/gha/actions-runner/_work/llvm-project/llvm-project/clang/test/CIR/CodeGenOpenMP/simd-global-var.cpp -o /home/gha/actions-runner/_work/llvm-project/llvm-project/build/tools/clang/test/CIR/CodeGenOpenMP/Output/simd-global-var.cpp.tmp.cir
# executed command: /home/gha/actions-runner/_work/llvm-project/llvm-project/build/bin/clang -cc1 -internal-isystem /home/gha/actions-runner/_work/llvm-project/llvm-project/build/lib/clang/24/include -nostdsysteminc -fopenmp-simd -triple x86_64-unknown-linux-gnu -fclangir -emit-cir /home/gha/actions-runner/_work/llvm-project/llvm-project/clang/test/CIR/CodeGenOpenMP/simd-global-var.cpp -o /home/gha/actions-runner/_work/llvm-project/llvm-project/build/tools/clang/test/CIR/CodeGenOpenMP/Output/simd-global-var.cpp.tmp.cir
# .---command stderr------------
# | error: ClangIR code gen Not Yet Implemented: OpenMP global address space
# | error: ClangIR code gen Not Yet Implemented: OpenMP global address space
# | 2 errors generated.
# `-----------------------------
# error: command failed with exit status: 1

--

```
</details>
<details>
<summary>Clang.CIR/CodeGenOpenMP/simd-global-var.cpp</summary>

```
Exit Code: 1

Command Output (stdout):
--
# RUN: at line 1
/home/gha/actions-runner/_work/llvm-project/llvm-project/build/bin/clang -cc1 -internal-isystem /home/gha/actions-runner/_work/llvm-project/llvm-project/build/lib/clang/24/include -nostdsysteminc -fopenmp-simd -triple x86_64-unknown-linux-gnu -fclangir -emit-cir /home/gha/actions-runner/_work/llvm-project/llvm-project/clang/test/CIR/CodeGenOpenMP/simd-global-var.cpp -o /home/gha/actions-runner/_work/llvm-project/llvm-project/build/tools/clang/test/CIR/CodeGenOpenMP/Output/simd-global-var.cpp.tmp.cir
# executed command: /home/gha/actions-runner/_work/llvm-project/llvm-project/build/bin/clang -cc1 -internal-isystem /home/gha/actions-runner/_work/llvm-project/llvm-project/build/lib/clang/24/include -nostdsysteminc -fopenmp-simd -triple x86_64-unknown-linux-gnu -fclangir -emit-cir /home/gha/actions-runner/_work/llvm-project/llvm-project/clang/test/CIR/CodeGenOpenMP/simd-global-var.cpp -o /home/gha/actions-runner/_work/llvm-project/llvm-project/build/tools/clang/test/CIR/CodeGenOpenMP/Output/simd-global-var.cpp.tmp.cir
# .---command stderr------------
# | error: ClangIR code gen Not Yet Implemented: OpenMP global address space
# | error: ClangIR code gen Not Yet Implemented: OpenMP global address space
# | 2 errors generated.
# `-----------------------------
# error: command failed with exit status: 1

--

```
</details>

If these failures are unrelated to your changes (for example tests are broken or flaky at HEAD), please open an issue at https://github.com/llvm/llvm-project/issues and add the `infrastructure` label.

https://github.com/llvm/llvm-project/pull/234075