[PATCH] D131932: RAGreedyStats: Ignore identity COPYs; count COPYs from/to physregs
Mircea Trofin via Phabricator via llvm-commits
llvm-commits at lists.llvm.org
Mon Aug 15 19:36:19 PDT 2022
mtrofin accepted this revision.
mtrofin added inline comments.
This revision is now accepted and ready to land.
================
Comment at: llvm/lib/CodeGen/RegAllocGreedy.cpp:2377
+ // Only count `COPY`s with a virtual register as source or destination.
+ if (SrcReg.isVirtual() || DestReg.isVirtual()) {
+ if (SrcReg.isVirtual()) {
----------------
nit: how about:
```
if (SrcReg.isVirtual()) {
...
}
if (DestReg.isVirtual()) {
...
}
Stats.Copies += (SrcReg != DestReg);
```
Repository:
rG LLVM Github Monorepo
CHANGES SINCE LAST ACTION
https://reviews.llvm.org/D131932/new/
https://reviews.llvm.org/D131932
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