[llvm] 022cc6e - [PowerPC] Delete dead Lower*

[Fangrui Song via llvm-commits]

Author: Fangrui Song
Date: 2021-01-06T21:58:40-08:00
New Revision: 022cc6e34349ec83bca260fc74d10797b643496c

URL: https://github.com/llvm/llvm-project/commit/022cc6e34349ec83bca260fc74d10797b643496c
DIFF: https://github.com/llvm/llvm-project/commit/022cc6e34349ec83bca260fc74d10797b643496c.diff

LOG: [PowerPC] Delete dead Lower*

Added: 
    

Modified: 
    llvm/lib/Target/PowerPC/PPCISelLowering.cpp
    llvm/lib/Target/PowerPC/PPCISelLowering.h

Removed: 
    


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diff  --git a/llvm/lib/Target/PowerPC/PPCISelLowering.cpp b/llvm/lib/Target/PowerPC/PPCISelLowering.cpp
index b92f4a15a49e..91a81e36f7da 100644
--- a/llvm/lib/Target/PowerPC/PPCISelLowering.cpp
+++ b/llvm/lib/Target/PowerPC/PPCISelLowering.cpp
@@ -2399,36 +2399,6 @@ SDValue PPC::get_VSPLTI_elt(SDNode *N, unsigned ByteSize, SelectionDAG &DAG) {
   return SDValue();
 }
 
-/// isQVALIGNIShuffleMask - If this is a qvaligni shuffle mask, return the shift
-/// amount, otherwise return -1.
-int PPC::isQVALIGNIShuffleMask(SDNode *N) {
-  EVT VT = N->getValueType(0);
-  if (VT != MVT::v4f64 && VT != MVT::v4f32 && VT != MVT::v4i1)
-    return -1;
-
-  ShuffleVectorSDNode *SVOp = cast<ShuffleVectorSDNode>(N);
-
-  // Find the first non-undef value in the shuffle mask.
-  unsigned i;
-  for (i = 0; i != 4 && SVOp->getMaskElt(i) < 0; ++i)
-    /*search*/;
-
-  if (i == 4) return -1;  // all undef.
-
-  // Otherwise, check to see if the rest of the elements are consecutively
-  // numbered from this value.
-  unsigned ShiftAmt = SVOp->getMaskElt(i);
-  if (ShiftAmt < i) return -1;
-  ShiftAmt -= i;
-
-  // Check the rest of the elements to see if they are consecutive.
-  for (++i; i != 4; ++i)
-    if (!isConstantOrUndef(SVOp->getMaskElt(i), ShiftAmt+i))
-      return -1;
-
-  return ShiftAmt;
-}
-
 //===----------------------------------------------------------------------===//
 //  Addressing Mode Selection
 //===----------------------------------------------------------------------===//

diff  --git a/llvm/lib/Target/PowerPC/PPCISelLowering.h b/llvm/lib/Target/PowerPC/PPCISelLowering.h
index 10df7c2feddf..477105bd03ac 100644
--- a/llvm/lib/Target/PowerPC/PPCISelLowering.h
+++ b/llvm/lib/Target/PowerPC/PPCISelLowering.h
@@ -662,10 +662,6 @@ namespace llvm {
     /// the number of bytes of each element [124] -> [bhw].
     SDValue get_VSPLTI_elt(SDNode *N, unsigned ByteSize, SelectionDAG &DAG);
 
-    /// If this is a qvaligni shuffle mask, return the shift
-    /// amount, otherwise return -1.
-    int isQVALIGNIShuffleMask(SDNode *N);
-
   } // end namespace PPC
 
   class PPCTargetLowering : public TargetLowering {
@@ -1151,13 +1147,11 @@ namespace llvm {
     SDValue LowerBUILD_VECTOR(SDValue Op, SelectionDAG &DAG) const;
     SDValue LowerVECTOR_SHUFFLE(SDValue Op, SelectionDAG &DAG) const;
     SDValue LowerINSERT_VECTOR_ELT(SDValue Op, SelectionDAG &DAG) const;
-    SDValue LowerEXTRACT_VECTOR_ELT(SDValue Op, SelectionDAG &DAG) const;
     SDValue LowerINTRINSIC_WO_CHAIN(SDValue Op, SelectionDAG &DAG) const;
     SDValue LowerINTRINSIC_VOID(SDValue Op, SelectionDAG &DAG) const;
     SDValue LowerBSWAP(SDValue Op, SelectionDAG &DAG) const;
     SDValue LowerATOMIC_CMP_SWAP(SDValue Op, SelectionDAG &DAG) const;
     SDValue LowerSCALAR_TO_VECTOR(SDValue Op, SelectionDAG &DAG) const;
-    SDValue LowerSIGN_EXTEND_INREG(SDValue Op, SelectionDAG &DAG) const;
     SDValue LowerMUL(SDValue Op, SelectionDAG &DAG) const;
     SDValue LowerFP_EXTEND(SDValue Op, SelectionDAG &DAG) const;
     SDValue LowerFP_ROUND(SDValue Op, SelectionDAG &DAG) const;