[PATCH] D144455: [RISCV] Enable ordered reduction.

[Mel Chen via Phabricator via llvm-commits]

This revision was landed with ongoing or failed builds.
This revision was automatically updated to reflect the committed changes.
Closed by commit rGd5c404d1b9ab: [RISCV] Enable ordered reduction. (authored by Mel-Chen).

Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D144455/new/

https://reviews.llvm.org/D144455

Files:
  llvm/lib/Target/RISCV/RISCVTargetTransformInfo.h
  llvm/test/Transforms/LoopVectorize/RISCV/ordered-reduction.ll


Index: llvm/test/Transforms/LoopVectorize/RISCV/ordered-reduction.ll
===================================================================
--- llvm/test/Transforms/LoopVectorize/RISCV/ordered-reduction.ll
+++ llvm/test/Transforms/LoopVectorize/RISCV/ordered-reduction.ll
@@ -1,5 +1,5 @@
 ; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
-; RUN: opt -passes=loop-vectorize -hints-allow-reordering=false -S < %s | FileCheck %s --check-prefix=CHECK-NOT-VECTORIZED
+; RUN: opt -passes=loop-vectorize -hints-allow-reordering=false -S < %s | FileCheck %s --check-prefix=CHECK-ORDERED
 ; RUN: opt -passes=loop-vectorize -S < %s | FileCheck %s --check-prefix=CHECK-UNORDERED
 ; RUN: opt -passes=loop-vectorize -force-ordered-reductions=false -hints-allow-reordering=false -S < %s | FileCheck %s --check-prefix=CHECK-NOT-VECTORIZED
 ; RUN: opt -passes=loop-vectorize -force-ordered-reductions=true -hints-allow-reordering=false -S < %s | FileCheck %s --check-prefix=CHECK-ORDERED
Index: llvm/lib/Target/RISCV/RISCVTargetTransformInfo.h
===================================================================
--- llvm/lib/Target/RISCV/RISCVTargetTransformInfo.h
+++ llvm/lib/Target/RISCV/RISCVTargetTransformInfo.h
@@ -75,6 +75,7 @@
 
   bool shouldExpandReduction(const IntrinsicInst *II) const;
   bool supportsScalableVectors() const { return ST->hasVInstructions(); }
+  bool enableOrderedReductions() const { return true; }
   bool enableScalableVectorization() const { return ST->hasVInstructions(); }
   TailFoldingStyle
   getPreferredTailFoldingStyle(bool IVUpdateMayOverflow) const {


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