[PATCH] D128700: [AMDGPU][Clang] Skip adding noundef attribute to AMDGPU HIP device functions

[krishna chaitanya sankisa via Phabricator via cfe-commits]

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Noundef attribute has been enabled by default in clang. This is causing execution issues, when kernel has uninitialized variables passed to cuda cross-lane APIs.
This patch skips adding noundef attribute to function arguments and return values for HIP device functions.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D128700

Files:
  clang/lib/CodeGen/CGCall.cpp
  clang/test/CodeGenCUDA/builtins-amdgcn.cu
  clang/test/CodeGenCUDA/lambda.cu
  clang/test/CodeGenCUDA/unnamed-types.cu
  clang/test/CodeGenHIP/hipspv-addr-spaces.cpp
  clang/test/CodeGenHIP/noundef-attribute-hip-device-verify.hip
  llvm/test/CodeGen/AMDGPU/lower-lds-struct-aa-memcpy.ll

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