[PATCH] D22210: AMDGPU: Treat texture gather instructions more like other MIMG instructions

[Matt Arsenault via llvm-commits]

arsenm added inline comments.

================
Comment at: lib/Target/AMDGPU/SIISelLowering.cpp:3137
@@ -3137,1 +3136,3 @@
+  if (TII->isMIMG(Opcode) && !TII->get(Opcode).mayStore() &&
+      !(TII->get(Opcode).TSFlags & SIInstrFlags::Gather4))
     adjustWritemask(Node, DAG);
----------------
This should be a new check in SIInstrInfo. Would mayLoad be better than !mayStore?


http://reviews.llvm.org/D22210