[PATCH] D122104: [X86][regcall] Support passing / returning structures

[Phoebe Wang via Phabricator via cfe-commits]

pengfei created this revision.
pengfei added reviewers: erichkeane, craig.topper, LiuChen3, LuoYuanke.
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Currently, the regcall calling conversion in Clang doesn't match with
ICC when passing / returning structures. https://godbolt.org/z/axxKMKrW7

This patch tries to fix the problem to match with ICC.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D122104

Files:
  clang/include/clang/CodeGen/CGFunctionInfo.h
  clang/lib/CodeGen/CGCall.cpp
  clang/lib/CodeGen/CodeGenFunction.cpp
  clang/lib/CodeGen/TargetInfo.cpp
  clang/test/CodeGen/aarch64-neon-tbl.c
  clang/test/CodeGen/regcall2.c

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