[PATCH] D85889: [ARM][MVE] Fix for tail predication for loops containing MVE gather/scatters

[Anna Welker via Phabricator via llvm-commits]

anwel created this revision.
anwel added a reviewer: dmgreen.
anwel added a project: LLVM.
Herald added subscribers: llvm-commits, danielkiss, hiraditya, kristof.beyls.
anwel requested review of this revision.

Fix to include non-predicated version of write-back gather in special case treatment for deducting the instruction type.
(This is fixing https://reviews.llvm.org/D85138 for corner cases)


https://reviews.llvm.org/D85889

Files:
  llvm/lib/Target/ARM/MVETailPredication.cpp


Index: llvm/lib/Target/ARM/MVETailPredication.cpp
===================================================================
--- llvm/lib/Target/ARM/MVETailPredication.cpp
+++ llvm/lib/Target/ARM/MVETailPredication.cpp
@@ -236,7 +236,8 @@
   unsigned ID = I->getIntrinsicID();
   FixedVectorType *VecTy;
   if (ID == Intrinsic::masked_load || isGather(I)) {
-    if (ID == Intrinsic::arm_mve_vldr_gather_base_wb_predicated)
+    if (ID == Intrinsic::arm_mve_vldr_gather_base_wb ||
+        ID == Intrinsic::arm_mve_vldr_gather_base_wb_predicated)
       // then the type is a StructType
       VecTy = dyn_cast<FixedVectorType>(I->getType()->getContainedType(0));
     else


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