[llvm] [Offload][cmake] Add GPU test job limit for AMDGPU buildbot cmake cache (PR #146611)

[via llvm-commits]

llvmbot wrote:


<!--LLVM PR SUMMARY COMMENT-->

@llvm/pr-subscribers-backend-amdgpu

Author: None (Kewen12)

<details>
<summary>Changes</summary>

Added GPU test job limit to make it consistent with current config https://github.com/llvm/llvm-zorg/blob/main/buildbot/osuosl/master/config/builders.py#L2027C31-L2027C77

---
Full diff: https://github.com/llvm/llvm-project/pull/146611.diff


1 Files Affected:

- (modified) offload/cmake/caches/AMDGPULibcBot.cmake (+1) 


``````````diff
diff --git a/offload/cmake/caches/AMDGPULibcBot.cmake b/offload/cmake/caches/AMDGPULibcBot.cmake
index 728dfe3f0a3f1..a772043c79669 100644
--- a/offload/cmake/caches/AMDGPULibcBot.cmake
+++ b/offload/cmake/caches/AMDGPULibcBot.cmake
@@ -18,3 +18,4 @@ set(CLANG_DEFAULT_RTLIB "compiler-rt" STRING "")
 
 set(LLVM_RUNTIME_TARGETS default;amdgcn-amd-amdhsa CACHE STRING "")
 set(RUNTIMES_amdgcn-amd-amdhsa_LLVM_ENABLE_RUNTIMES "compiler-rt;libc" CACHE STRING "")
+set(RUNTIMES_amdgcn-amd-amdhsa_LIBC_GPU_TEST_JOBS 4 CACHE STRING "")

``````````

</details>


https://github.com/llvm/llvm-project/pull/146611