[llvm] a3d35b8 - [RISCV] Use RISCV::RVVBitsPerBlock instead of 64 in getLMUL1VT. NFC (#144401)

[via llvm-commits]

Author: Craig Topper
Date: 2025-06-16T11:24:33-07:00
New Revision: a3d35b87eacece8cdbb4615ff6c65003773f5cbf

URL: https://github.com/llvm/llvm-project/commit/a3d35b87eacece8cdbb4615ff6c65003773f5cbf
DIFF: https://github.com/llvm/llvm-project/commit/a3d35b87eacece8cdbb4615ff6c65003773f5cbf.diff

LOG: [RISCV] Use RISCV::RVVBitsPerBlock instead of 64 in getLMUL1VT. NFC (#144401)

Added: 
    

Modified: 
    llvm/lib/Target/RISCV/RISCVISelLowering.cpp
    llvm/lib/Target/RISCV/RISCVTargetTransformInfo.cpp

Removed: 
    


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diff  --git a/llvm/lib/Target/RISCV/RISCVISelLowering.cpp b/llvm/lib/Target/RISCV/RISCVISelLowering.cpp
index 7cfada6c0601c..779786fa400fc 100644
--- a/llvm/lib/Target/RISCV/RISCVISelLowering.cpp
+++ b/llvm/lib/Target/RISCV/RISCVISelLowering.cpp
@@ -3499,7 +3499,7 @@ getVSlideup(SelectionDAG &DAG, const RISCVSubtarget &Subtarget, const SDLoc &DL,
 }
 
 static MVT getLMUL1VT(MVT VT) {
-  assert(VT.getVectorElementType().getSizeInBits() <= 64 &&
+  assert(VT.getVectorElementType().getSizeInBits() <= RISCV::RVVBitsPerBlock &&
          "Unexpected vector MVT");
   return MVT::getScalableVectorVT(
       VT.getVectorElementType(),

diff  --git a/llvm/lib/Target/RISCV/RISCVTargetTransformInfo.cpp b/llvm/lib/Target/RISCV/RISCVTargetTransformInfo.cpp
index fcc9d3977e5cd..0093c92ea5ef0 100644
--- a/llvm/lib/Target/RISCV/RISCVTargetTransformInfo.cpp
+++ b/llvm/lib/Target/RISCV/RISCVTargetTransformInfo.cpp
@@ -604,7 +604,7 @@ InstructionCost RISCVTTIImpl::getSlideCost(FixedVectorType *Tp,
 
 // Consolidate!
 static MVT getLMUL1VT(MVT VT) {
-  assert(VT.getVectorElementType().getSizeInBits() <= 64 &&
+  assert(VT.getVectorElementType().getSizeInBits() <= RISCV::RVVBitsPerBlock &&
          "Unexpected vector MVT");
   return MVT::getScalableVectorVT(
       VT.getVectorElementType(),