[PATCH] D63676: Disable hosting MI to hotter basic blocks

[Victor Huang via Phabricator via llvm-commits]

NeHuang added a comment.

Collected stats below for SPECInt and SPECFP benchmarks (SPEC2017) with this feature enabled, compiled with -O3 and PGO.

| **Benchmark ** | **Number of machine instructions hoisted out of loops ** | **Number of instructions not hoisted due to block frequency** |
| SPECInt        | 129269                                                   | 459891                                                        |
| SPECFP         | 36047                                                    | 70075                                                         |


CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D63676/new/

https://reviews.llvm.org/D63676