[all-commits] [llvm/llvm-project] 49d66d: [AFDO] Merge function attributes after inlining

[kazutakahirata via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 49d66d9f9f495caeb17de823c72f1459be819d9a
      https://github.com/llvm/llvm-project/commit/49d66d9f9f495caeb17de823c72f1459be819d9a
  Author: Kazu Hirata <kazu at google.com>
  Date:   2021-07-09 (Fri, 09 Jul 2021)

  Changed paths:
    M llvm/lib/Transforms/IPO/SampleProfile.cpp
    A llvm/test/Transforms/SampleProfile/Inputs/merge-function-attributes.afdo
    A llvm/test/Transforms/SampleProfile/merge-function-attributes.ll

  Log Message:
  -----------
  [AFDO] Merge function attributes after inlining

This patch teaches the sample profile loader to merge function
attributes after inlining functions.

Without this patch, the compiler could inline a function requiring the
512-bit vector width into its caller without merging function
attributes, triggering a failure during instruction selection.

Differential Revision: https://reviews.llvm.org/D105729