llvm-project

523e249a - [AMDGPU] Lower LDS in functions without sanitize_address in amdgpu-sw-lower-lds. (#131147)

[AMDGPU] Lower LDS in functions without sanitize_address in amdgpu-sw-lower-lds. (#131147) Background: "amdgpu-sw-lower-lds" pass lowers LDS accesses based on "sanitize_address" attribute being tagged to kernel or non-kernels. "amdgpu-sw-lower-lds" pass ideally should either lower all LDS accesses or should not lower any based on if asan is enabled. Issue: But there has been cases when instrumented and non instrumented bitcodes are linked and this is leading to few LDS being lowered correctly while others are not. This typically leads to below error in the subsequent pass. "Module cannot mix absolute and non-absolute LDS GVs" Fix: This patch fixes this issue, by checking if any kernels in module are tagged with "sanitize_address" attribute and then lowers all the LDS accesses in all other kernels and non-kernels even though they do not have "sanitize_address" attribute.