[PATCH] D73005: [Codegen] If reasonable, materialize clang's `AssumeAlignedAttr` as llvm's Alignment Attribute on call-site function return value

[Roman Lebedev via Phabricator via cfe-commits]

lebedev.ri updated this revision to Diff 239928.
lebedev.ri marked 4 inline comments as done.
lebedev.ri added a comment.

Init `Alignment` to `nullptr` by default.
While there, tune `maybeRaiseRetAlignmentAttribute()` to do nothing
if new alignment is not greater than the existing alignment.


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D73005/new/

https://reviews.llvm.org/D73005

Files:
  clang/lib/CodeGen/CGCall.cpp
  clang/test/CodeGen/assume-aligned-and-alloc-align-attributes.c
  clang/test/CodeGen/builtin-assume-aligned.c
  clang/test/CodeGen/catch-alignment-assumption-attribute-assume_aligned-on-function.cpp

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