[CodeGen] Add support for reductions in ComplexDeinterleaving pass

This commit enhances the ComplexDeinterleaving pass to handle unordered reductions in simple one-block vectorized loops, supporting both SVE and Neon architectures. Differential Revision: https://reviews.llvm.org/D152022
llvm · Jun 14, 2023 · 2cbc265 · 2cbc265
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Showing 4 changed files with 386 additions and 111 deletions.
diff --git a/llvm/include/llvm/CodeGen/ComplexDeinterleavingPass.h b/llvm/include/llvm/CodeGen/ComplexDeinterleavingPass.h
@@ -38,7 +38,9 @@ enum class ComplexDeinterleavingOperation {
   // The following 'operations' are used to represent internal states. Backends
   // are not expected to try and support these in any capacity.
   Deinterleave,
-  Symmetric
+  Symmetric,
+  ReductionPHI,
+  ReductionOperation,
 };
 
 enum class ComplexDeinterleavingRotation {