From dc7ac563ac3a76a5149257e5f95cf0474e7618cf Mon Sep 17 00:00:00 2001
From: Simon Pilgrim <llvm-dev@redking.me.uk>
Date: Thu, 27 Feb 2020 14:20:30 +0000
Subject: [PATCH] Fix shadow variable warnings. NFC.

---
 llvm/lib/Target/X86/X86ISelLowering.cpp | 28 ++++++++++++++--------------
 1 file changed, 14 insertions(+), 14 deletions(-)

diff --git a/llvm/lib/Target/X86/X86ISelLowering.cpp b/llvm/lib/Target/X86/X86ISelLowering.cpp
index 7bde0ba..6e3473a 100644
--- a/llvm/lib/Target/X86/X86ISelLowering.cpp
+++ b/llvm/lib/Target/X86/X86ISelLowering.cpp
@@ -18986,15 +18986,15 @@ static SDValue lowerINT_TO_FP_vXi64(SDValue Op, SelectionDAG &DAG,
   SmallVector<SDValue, 4> SignCvts(4);
   SmallVector<SDValue, 4> Chains(4);
   for (int i = 0; i != 4; ++i) {
-    SDValue Src = DAG.getNode(ISD::EXTRACT_VECTOR_ELT, DL, MVT::i64, SignSrc,
+    SDValue Elt = DAG.getNode(ISD::EXTRACT_VECTOR_ELT, DL, MVT::i64, SignSrc,
                               DAG.getIntPtrConstant(i, DL));
     if (IsStrict) {
       SignCvts[i] =
           DAG.getNode(ISD::STRICT_SINT_TO_FP, DL, {MVT::f32, MVT::Other},
-                      {Op.getOperand(0), Src});
+                      {Op.getOperand(0), Elt});
       Chains[i] = SignCvts[i].getValue(1);
     } else {
-      SignCvts[i] = DAG.getNode(ISD::SINT_TO_FP, DL, MVT::f32, Src);
+      SignCvts[i] = DAG.getNode(ISD::SINT_TO_FP, DL, MVT::f32, Elt);
     }
   }
   SDValue SignCvt = DAG.getBuildVector(VT, DL, SignCvts);
@@ -27357,10 +27357,10 @@ static SDValue LowerRotate(SDValue Op, const X86Subtarget &Subtarget,
   if (Subtarget.hasAVX512() && 32 <= EltSizeInBits) {
     // Attempt to rotate by immediate.
     if (0 <= CstSplatIndex) {
-      unsigned Op = (Opcode == ISD::ROTL ? X86ISD::VROTLI : X86ISD::VROTRI);
-      uint64_t RotateAmt = EltBits[CstSplatIndex].urem(EltSizeInBits);
-      return DAG.getNode(Op, DL, VT, R,
-                         DAG.getTargetConstant(RotateAmt, DL, MVT::i8));
+      unsigned RotOpc = (Opcode == ISD::ROTL ? X86ISD::VROTLI : X86ISD::VROTRI);
+      uint64_t RotAmt = EltBits[CstSplatIndex].urem(EltSizeInBits);
+      return DAG.getNode(RotOpc, DL, VT, R,
+                         DAG.getTargetConstant(RotAmt, DL, MVT::i8));
     }
 
     // Else, fall-back on VPROLV/VPRORV.
@@ -29467,14 +29467,14 @@ void X86TargetLowering::ReplaceNodeResults(SDNode *N,
       SDValue SignSrc = DAG.getSelect(dl, SrcVT, IsNeg, Sign, Src);
       SmallVector<SDValue, 4> SignCvts(4, DAG.getConstantFP(0.0, dl, MVT::f32));
       for (int i = 0; i != 2; ++i) {
-        SDValue Src = DAG.getNode(ISD::EXTRACT_VECTOR_ELT, dl, MVT::i64,
+        SDValue Elt = DAG.getNode(ISD::EXTRACT_VECTOR_ELT, dl, MVT::i64,
                                   SignSrc, DAG.getIntPtrConstant(i, dl));
         if (IsStrict)
           SignCvts[i] =
               DAG.getNode(ISD::STRICT_SINT_TO_FP, dl, {MVT::f32, MVT::Other},
-                          {N->getOperand(0), Src});
+                          {N->getOperand(0), Elt});
         else
-          SignCvts[i] = DAG.getNode(ISD::SINT_TO_FP, dl, MVT::f32, Src);
+          SignCvts[i] = DAG.getNode(ISD::SINT_TO_FP, dl, MVT::f32, Elt);
       };
       SDValue SignCvt = DAG.getBuildVector(MVT::v4f32, dl, SignCvts);
       SDValue Slow, Chain;
@@ -36715,13 +36715,13 @@ SDValue X86TargetLowering::SimplifyMultipleUseDemandedBitsForTargetNode(
         int M = ShuffleMask[i];
         if (!DemandedElts[i] || ShuffleUndef[i])
           continue;
-        int Op = M / NumElts;
-        int Index = M % NumElts;
-        if (M < 0 || Index != i) {
+        int OpIdx = M / NumElts;
+        int EltIdx = M % NumElts;
+        if (M < 0 || EltIdx != i) {
           IdentityOp.clearAllBits();
           break;
         }
-        IdentityOp &= APInt::getOneBitSet(NumOps, Op);
+        IdentityOp &= APInt::getOneBitSet(NumOps, OpIdx);
         if (IdentityOp == 0)
           break;
       }
-- 
2.7.4