[PATCH] D135145: [AMDGPU][GISel] Combine G_INSERT_VECTOR_ELT to G_SHUFFLE_VECTOR

[Jay Foad via Phabricator via llvm-commits]

foad added inline comments.


================
Comment at: llvm/lib/Target/AMDGPU/AMDGPUPreLegalizerCombiner.cpp:162
+    MachineInstr &MI, unsigned &Idx) {
+  // Transfroms a G_INSERT_VECTOR_ELT into an equivalent G_SHUFFLE_MASK if:
+  //    - Scalar Pack insts are present (for <32 bits element types)
----------------
"G_SHUFFLE_VECTOR"


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D135145/new/

https://reviews.llvm.org/D135145