[llvm] 64e9a3f - [RISCV] Use isVLPreservingConfig in isConvertibleToVMV_V_V. NFC

[Craig Topper via llvm-commits]

Author: Craig Topper
Date: 2025-05-30T22:59:22-07:00
New Revision: 64e9a3f8f0201e9fc1a7e0124bd91436c0506e70

URL: https://github.com/llvm/llvm-project/commit/64e9a3f8f0201e9fc1a7e0124bd91436c0506e70
DIFF: https://github.com/llvm/llvm-project/commit/64e9a3f8f0201e9fc1a7e0124bd91436c0506e70.diff

LOG: [RISCV] Use isVLPreservingConfig in isConvertibleToVMV_V_V. NFC

Added: 
    

Modified: 
    llvm/lib/Target/RISCV/RISCVInstrInfo.cpp

Removed: 
    


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diff  --git a/llvm/lib/Target/RISCV/RISCVInstrInfo.cpp b/llvm/lib/Target/RISCV/RISCVInstrInfo.cpp
index 09a464324b967..9dc434b2c9197 100644
--- a/llvm/lib/Target/RISCV/RISCVInstrInfo.cpp
+++ b/llvm/lib/Target/RISCV/RISCVInstrInfo.cpp
@@ -293,11 +293,7 @@ static bool isConvertibleToVMV_V_V(const RISCVSubtarget &STI,
         }
         // Only permit `vsetvli x0, x0, vtype` between COPY and the source
         // define instruction.
-        if (MBBI->getOperand(0).getReg() != RISCV::X0)
-          return false;
-        if (MBBI->getOperand(1).isImm())
-          return false;
-        if (MBBI->getOperand(1).getReg() != RISCV::X0)
+        if (!RISCVInstrInfo::isVLPreservingConfig(*MBBI))
           return false;
         continue;
       }