[llvm] dc20ce7 - [DAG] TargetLowering::ShrinkDemandedOp - rename Demanded arg to DemandedBits. NFC

[Simon Pilgrim via llvm-commits]

Author: Simon Pilgrim
Date: 2023-03-15T13:22:21Z
New Revision: dc20ce7e543df452772ae8e2c4f97c390dd87b23

URL: https://github.com/llvm/llvm-project/commit/dc20ce7e543df452772ae8e2c4f97c390dd87b23
DIFF: https://github.com/llvm/llvm-project/commit/dc20ce7e543df452772ae8e2c4f97c390dd87b23.diff

LOG: [DAG] TargetLowering::ShrinkDemandedOp - rename Demanded arg to DemandedBits. NFC

Make it clear this is referring to DemandedBits not DemandedElts.

Added: 
    

Modified: 
    llvm/include/llvm/CodeGen/TargetLowering.h
    llvm/lib/CodeGen/SelectionDAG/TargetLowering.cpp

Removed: 
    


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diff  --git a/llvm/include/llvm/CodeGen/TargetLowering.h b/llvm/include/llvm/CodeGen/TargetLowering.h
index 76770cb2423f..1489a1d3b2a0 100644
--- a/llvm/include/llvm/CodeGen/TargetLowering.h
+++ b/llvm/include/llvm/CodeGen/TargetLowering.h
@@ -3717,7 +3717,8 @@ class TargetLowering : public TargetLoweringBase {
   /// Convert x+y to (VT)((SmallVT)x+(SmallVT)y) if the casts are free.  This
   /// uses isZExtFree and ZERO_EXTEND for the widening cast, but it could be
   /// generalized for targets with other types of implicit widening casts.
-  bool ShrinkDemandedOp(SDValue Op, unsigned BitWidth, const APInt &Demanded,
+  bool ShrinkDemandedOp(SDValue Op, unsigned BitWidth,
+                        const APInt &DemandedBits,
                         TargetLoweringOpt &TLO) const;
 
   /// Look at Op.  At this point, we know that only the DemandedBits bits of the

diff  --git a/llvm/lib/CodeGen/SelectionDAG/TargetLowering.cpp b/llvm/lib/CodeGen/SelectionDAG/TargetLowering.cpp
index 93f940a2fa5d..8cb1055e2661 100644
--- a/llvm/lib/CodeGen/SelectionDAG/TargetLowering.cpp
+++ b/llvm/lib/CodeGen/SelectionDAG/TargetLowering.cpp
@@ -552,7 +552,7 @@ bool TargetLowering::ShrinkDemandedConstant(SDValue Op,
 /// This uses isZExtFree and ZERO_EXTEND for the widening cast, but it could be
 /// generalized for targets with other types of implicit widening casts.
 bool TargetLowering::ShrinkDemandedOp(SDValue Op, unsigned BitWidth,
-                                      const APInt &Demanded,
+                                      const APInt &DemandedBits,
                                       TargetLoweringOpt &TLO) const {
   assert(Op.getNumOperands() == 2 &&
          "ShrinkDemandedOp only supports binary operators!");
@@ -574,7 +574,7 @@ bool TargetLowering::ShrinkDemandedOp(SDValue Op, unsigned BitWidth,
   // Search for the smallest integer type with free casts to and from
   // Op's type. For expedience, just check power-of-2 integer types.
   const TargetLowering &TLI = DAG.getTargetLoweringInfo();
-  unsigned DemandedSize = Demanded.getActiveBits();
+  unsigned DemandedSize = DemandedBits.getActiveBits();
   unsigned SmallVTBits = DemandedSize;
   SmallVTBits = llvm::bit_ceil(SmallVTBits);
   for (; SmallVTBits < BitWidth; SmallVTBits = NextPowerOf2(SmallVTBits)) {