[llvm] [Offload][UnitTests] Fix incorrect CUDA path variable in CMake helper (PR #151820)
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Sat Aug 2 06:52:50 PDT 2025
llvmbot wrote:
<!--LLVM PR SUMMARY COMMENT-->
@llvm/pr-subscribers-offload
Author: Leandro Lacerda (leandrolcampos)
<details>
<summary>Changes</summary>
This PR fixes a minor bug in the `add_offload_test_device_code` CMake helper function in `offload/unittests/CMakeLists.txt`.
The function was discovering the local CUDA Toolkit path and storing it in the `cuda_path` variable but was then using the incorrect `CUDA_ROOT` variable in the `add_custom_command` call for the NVPTX target.
This change corrects the command to use the intended `cuda_path` variable.
---
Full diff: https://github.com/llvm/llvm-project/pull/151820.diff
1 Files Affected:
- (modified) offload/unittests/CMakeLists.txt (+1-1)
``````````diff
diff --git a/offload/unittests/CMakeLists.txt b/offload/unittests/CMakeLists.txt
index 6d165ffd4c53a..24826a1dcb756 100644
--- a/offload/unittests/CMakeLists.txt
+++ b/offload/unittests/CMakeLists.txt
@@ -40,7 +40,7 @@ function(add_offload_test_device_code test_filename test_name)
OUTPUT ${output_file}
COMMAND ${CMAKE_C_COMPILER}
--target=nvptx64-nvidia-cuda -march=${nvptx_arch}
- -nogpulib --cuda-path=${CUDA_ROOT} -flto ${ARGN}
+ -nogpulib --cuda-path=${cuda_path} -flto ${ARGN}
${SRC_PATH} -o ${output_file}
DEPENDS ${SRC_PATH}
)
``````````
</details>
https://github.com/llvm/llvm-project/pull/151820
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