[PATCH] D95703: [GlobalISel] Propagate extends through G_PHIs into the incoming value blocks.

[Matt Arsenault via Phabricator via llvm-commits]

arsenm added inline comments.


================
Comment at: llvm/lib/CodeGen/GlobalISel/CombinerHelper.cpp:3589
+
+  // If the target is likely to fold this extend away, don't propagate.
+  if (Builder.getTII().isExtendLikelyToBeFolded(*ExtMI, MRI))
----------------
Folded into what?


================
Comment at: llvm/lib/Target/AArch64/AArch64InstrInfo.cpp:7192-7195
+  if (UserMI->getOpcode() == TargetOpcode::G_PTR_ADD)
+    return true;
+
+  return false;
----------------
return x == y;


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D95703/new/

https://reviews.llvm.org/D95703