[PATCH] D40023: [RISCV] Implement ABI lowering

[Alex Bradbury via Phabricator via cfe-commits]

asb updated this revision to Diff 123020.
asb marked an inline comment as done.
asb added a comment.

Updated to address review comments. I've added some extra test coverage that demonstrates that argument lowering happens the same once registers are exhausted, as well as more coverage around varargs. Also updated to properly handle the "aligned register pair" rule for variadic arguments, and added tests for this.


https://reviews.llvm.org/D40023

Files:
  lib/CodeGen/CGCall.cpp
  lib/CodeGen/TargetInfo.cpp
  test/CodeGen/riscv32-abi.c
  test/CodeGen/riscv64-abi.c
  test/Driver/riscv32-toolchain.c
  test/Driver/riscv64-toolchain.c

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