[llvm-branch-commits] [llvm] fe0527e - [Hexagon] Temporarily disable vector realignment for non-HVX vectors

[Krzysztof Parzyszek via llvm-branch-commits]

Author: Krzysztof Parzyszek
Date: 2020-12-15T19:03:07-06:00
New Revision: fe0527e1c7e4a27da9ac0dfd25a6e6d4d6ca6db6

URL: https://github.com/llvm/llvm-project/commit/fe0527e1c7e4a27da9ac0dfd25a6e6d4d6ca6db6
DIFF: https://github.com/llvm/llvm-project/commit/fe0527e1c7e4a27da9ac0dfd25a6e6d4d6ca6db6.diff

LOG: [Hexagon] Temporarily disable vector realignment for non-HVX vectors

Added: 
    

Modified: 
    llvm/lib/Target/Hexagon/HexagonVectorCombine.cpp

Removed: 
    


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diff  --git a/llvm/lib/Target/Hexagon/HexagonVectorCombine.cpp b/llvm/lib/Target/Hexagon/HexagonVectorCombine.cpp
index aa8236d6d54f..4fbe7e4b3931 100644
--- a/llvm/lib/Target/Hexagon/HexagonVectorCombine.cpp
+++ b/llvm/lib/Target/Hexagon/HexagonVectorCombine.cpp
@@ -674,6 +674,10 @@ auto AlignVectors::move(const MoveGroup &Move) const -> bool {
 }
 
 auto AlignVectors::realignGroup(const MoveGroup &Move) const -> bool {
+  // TODO: Needs support for masked loads/stores of "scalar" vectors.
+  if (!Move.IsHvx)
+    return false;
+
   // Return the element with the maximum alignment from Range,
   // where GetValue obtains the value to compare from an element.
   auto getMaxOf = [](auto Range, auto GetValue) {