[llvm] abc6716 - [RISCV] Remove unused variables. NFC

[Craig Topper via llvm-commits]

Author: Craig Topper
Date: 2022-02-02T19:23:16-08:00
New Revision: abc67160389cf5a4891adbd52b7e0326492271c2

URL: https://github.com/llvm/llvm-project/commit/abc67160389cf5a4891adbd52b7e0326492271c2
DIFF: https://github.com/llvm/llvm-project/commit/abc67160389cf5a4891adbd52b7e0326492271c2.diff

LOG: [RISCV] Remove unused variables. NFC

Added: 
    

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

Removed: 
    


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diff  --git a/llvm/lib/Target/RISCV/RISCVISelLowering.cpp b/llvm/lib/Target/RISCV/RISCVISelLowering.cpp
index 070a8064324d7..c0b5437d36e3e 100644
--- a/llvm/lib/Target/RISCV/RISCVISelLowering.cpp
+++ b/llvm/lib/Target/RISCV/RISCVISelLowering.cpp
@@ -7808,10 +7808,6 @@ SDValue RISCVTargetLowering::PerformDAGCombine(SDNode *N,
   case RISCVISD::SHFLW:
   case RISCVISD::UNSHFLW: {
     // Only the lower 32 bits of LHS and lower 4 bits of RHS are read.
-    SDValue LHS = N->getOperand(0);
-    SDValue RHS = N->getOperand(1);
-    APInt LHSMask = APInt::getLowBitsSet(LHS.getValueSizeInBits(), 32);
-    APInt RHSMask = APInt::getLowBitsSet(RHS.getValueSizeInBits(), 4);
     if (SimplifyDemandedLowBitsHelper(0, 32) ||
         SimplifyDemandedLowBitsHelper(1, 4))
       return SDValue(N, 0);