[PATCH] D77905: [SVE] Remove calls to getBitWidth from AArch64

[Christopher Tetreault via Phabricator via llvm-commits]

ctetreau created this revision.
Herald added subscribers: llvm-commits, psnobl, rkruppe, hiraditya, kristof.beyls, tschuett.
Herald added a reviewer: efriedma.
Herald added a project: LLVM.

Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D77905

Files:
  llvm/lib/Target/AArch64/AArch64ISelLowering.cpp


Index: llvm/lib/Target/AArch64/AArch64ISelLowering.cpp
===================================================================
--- llvm/lib/Target/AArch64/AArch64ISelLowering.cpp
+++ llvm/lib/Target/AArch64/AArch64ISelLowering.cpp
@@ -9196,9 +9196,10 @@
 /// or upper half of the vector elements.
 static bool areExtractShuffleVectors(Value *Op1, Value *Op2) {
   auto areTypesHalfed = [](Value *FullV, Value *HalfV) {
-    auto *FullVT = cast<VectorType>(FullV->getType());
-    auto *HalfVT = cast<VectorType>(HalfV->getType());
-    return FullVT->getBitWidth() == 2 * HalfVT->getBitWidth();
+    auto *FullVT = FullV->getType();
+    auto *HalfVT = HalfV->getType();
+    return FullVT->getPrimitiveSizeInBits().getFixedSize() ==
+           2 * HalfVT->getPrimitiveSizeInBits().getFixedSize();
   };
 
   auto extractHalf = [](Value *FullV, Value *HalfV) {


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