[PATCH] D68828: [AMDGPU] Allow DPP combiner to work with REG_SEQUENCE

Valery Pykhtin via Phabricator via llvm-commits llvm-commits at lists.llvm.org
Mon Oct 14 10:06:48 PDT 2019


vpykhtin added inline comments.


================
Comment at: llvm/lib/Target/AMDGPU/GCNDPPCombine.cpp:356
   auto DPPMovReg = DstOpnd->getReg();
+  auto DPPMovSubReg = DstOpnd->getSubReg();
   if (execMayBeModifiedBeforeAnyUse(*MRI, DPPMovReg, MovMI)) {
----------------
How mov can define subreg in the SSA?


CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D68828/new/

https://reviews.llvm.org/D68828





More information about the llvm-commits mailing list