[PATCH] D155986: [clang][AMDGPU]: Don't use byval for struct arguments in function ABI

[Changpeng Fang via Phabricator via llvm-commits]

cfang added inline comments.


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Comment at: llvm/docs/AMDGPUUsage.rst:13813
+11: Use pass-by-reference (byref) instead of pass-by-value (byval) for struct
+    arguments in function ABI. Callee is responsible to allocate memory and
+    make a copy of the struct. Note that the backend still supports byval for
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arsenm wrote:
> Specify C ABI
Do not get what to do to "Specify C ABI"? Can you suggest explicitly? Thanks.


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https://reviews.llvm.org/D155986