[PATCH] D146737: [AMDGPU] Trim zero components from buffer and image stores

[Jay Foad via Phabricator via llvm-commits]

foad added inline comments.


================
Comment at: llvm/lib/Target/AMDGPU/AMDGPUInstCombineIntrinsic.cpp:396
+                            &IC.getOptimizationRemarkEmitter());
+    if (KnownFPClass.KnownFPClasses != fcPosZero)
+      break;
----------------
Could also handle undef here and treat it as zero.


CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D146737/new/

https://reviews.llvm.org/D146737