tree bc64f2ebb9d5234019bfc556e27ac18ab4b10e70
parent b122956390a6877536927c2b073a0b99f8b9704f
author Dominik Adamski <dominik.adamski@amd.com> 1744271130 +0200
committer GitHub <noreply@github.com> 1744271130 +0200
gpgsig -----BEGIN PGP SIGNATURE-----
 
 wsFcBAABCAAQBQJn93caCRC1aQ7uu5UhlAAAJtgQAJS2Yr9cjN3jXWH8EWz0CFZw
 rr7WTtDphb5ge9bEU4z6ls57+9cW6sJAUQO370DEtQTpAWVGyJEOrvuIigqOVwTY
 CYPtKEJG63cZq9pAIRXkOjlsaDv1oZIqONBt6a6ivZ1BKJE+m5oRS47i+oitIfDp
 9TmF+79ccTiaPryoBPLNPLcVZWQIpJTnJ9FWTjgzaT+cZSPyMGU/6dEG22QircfI
 mbVMT8g1LTHszdfoP82CtC3w3RvaFVMzV79c3LR3DWeIN4IojVW1NO0eWsmt2qNG
 54ndyLuuaN9BL6kxoaYdy48kEK/fnL6ZOON1OLlU5ItxumGVmvRyvzO2pmQg02Qe
 sCSsNrlnEPmEui+hOoiJIMEX4JMcTbOY86Btlx4enXwbj41X0Z0M33O2kbLWBCM9
 owKXBKaaZI0sdmZIz/69qlYzony1nayfxvVubJGSDKmh1Mwjge83/Gnv1vDnjsm9
 pCJaJ9M72Ny+gefFMCuAf/W0hCPWzk3I5dopF8vZ8zs6he+MNsIOJJT4DUsACjqy
 gFwpBdTESH6Wa9AAoTZfYXnJSETCx7rg0ubOlnJTUClZl9sf4A1/ujXaBo74slgu
 THJRkLM9OxXlLNooCft6eJul9jLsnaft6iYCEfMD8VULq+9GVfLp79qFr0JUnK7E
 hpdfkxXinMboKKSL5y9V
 =hAz0
 -----END PGP SIGNATURE-----
 

[OpenMP][CodeExtractor]Add align metadata to load instructions (#131131)

Moving code to another function can lead to missed optimization
opportunities, because function passes operate on smaller chunks of
code, and they cannot figure out all details.

One example of missed optimization opportunities after code extraction
is information about pointer alignment. The instruction combine pass
adds information about pointer alignment to LLVM intrinsic memcpy calls
if it can deduce it from the code or if align metadata is added. If this
information is not present, then further optimization passes can
generate inefficient code.

If we add align metadata to extracted pointers, then the instruction
combine pass can add the align attribute to the LLVM intrinsic memcpy
call and unblock further optimization.

Scope of changes:
1. Analyze MLIR map operations. Add information about the alignment of
objects that are passed by reference to OpenMP GPU kernels.
2. Propagate alignment information to the outlined by `CodeExtractor`
helper functions.