[llvm] d95513a - [RISCV] remove useless code

[via llvm-commits]

Author: Liqin.Weng
Date: 2022-05-16T12:54:03Z
New Revision: d95513ae3a73388cbe18fa1bd2c76fec70f3ec06

URL: https://github.com/llvm/llvm-project/commit/d95513ae3a73388cbe18fa1bd2c76fec70f3ec06
DIFF: https://github.com/llvm/llvm-project/commit/d95513ae3a73388cbe18fa1bd2c76fec70f3ec06.diff

LOG: [RISCV] remove useless code

When legality check for vectoring reduction， hasVInstructions() check be unneeded. RISCV can only loop vectorization with hasVInstructions()

Reviewed By: kito-cheng, craig.topper

Differential Revision: https://reviews.llvm.org/D125460

Added: 
    

Modified: 
    llvm/lib/Target/RISCV/RISCVTargetTransformInfo.h

Removed: 
    


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diff  --git a/llvm/lib/Target/RISCV/RISCVTargetTransformInfo.h b/llvm/lib/Target/RISCV/RISCVTargetTransformInfo.h
index a0a5110963521..cdec074dc2a46 100644
--- a/llvm/lib/Target/RISCV/RISCVTargetTransformInfo.h
+++ b/llvm/lib/Target/RISCV/RISCVTargetTransformInfo.h
@@ -171,9 +171,6 @@ class RISCVTTIImpl : public BasicTTIImplBase<RISCVTTIImpl> {
 
   bool isLegalToVectorizeReduction(const RecurrenceDescriptor &RdxDesc,
                                    ElementCount VF) const {
-    if (!ST->hasVInstructions())
-      return false;
-
     if (!VF.isScalable())
       return true;