[PATCH] D139422: [AMDGPU] Accelerate SIRegisterInfo::getPhysRegClass

[Matt Arsenault via Phabricator via llvm-commits]

arsenm requested changes to this revision.
arsenm added inline comments.
This revision now requires changes to proceed.


================
Comment at: llvm/lib/Target/AMDGPU/AMDGPUISelDAGToDAG.cpp:1434
+  if (!Reg.isPhysical())
+    return false;
+  auto RC = TRI.getPhysRegBaseClass(Reg);
----------------
It's even easier to do the class test on the virtual register


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D139422/new/

https://reviews.llvm.org/D139422