diff options
Diffstat (limited to 'llvm/lib/Target/PowerPC/PPCISelLowering.cpp')
| -rw-r--r-- | llvm/lib/Target/PowerPC/PPCISelLowering.cpp | 24 |
1 files changed, 2 insertions, 22 deletions
diff --git a/llvm/lib/Target/PowerPC/PPCISelLowering.cpp b/llvm/lib/Target/PowerPC/PPCISelLowering.cpp index f9d3ad8459d..01cb343a12f 100644 --- a/llvm/lib/Target/PowerPC/PPCISelLowering.cpp +++ b/llvm/lib/Target/PowerPC/PPCISelLowering.cpp @@ -279,26 +279,6 @@ unsigned PPC::getVSPLTImmediate(SDNode *N) { return cast<ConstantSDNode>(N->getOperand(0))->getValue(); } -/// isZeroVector - Return true if this build_vector is an all-zero vector. -/// -bool PPC::isZeroVector(SDNode *N) { - if (MVT::isInteger(N->getOperand(0).getValueType())) { - for (unsigned i = 0, e = N->getNumOperands(); i != e; ++i) - if (!isa<ConstantSDNode>(N->getOperand(i)) || - cast<ConstantSDNode>(N->getOperand(i))->getValue() != 0) - return false; - } else { - assert(MVT::isFloatingPoint(N->getOperand(0).getValueType()) && - "Vector of non-int, non-float values?"); - // See if this is all zeros. - for (unsigned i = 0, e = N->getNumOperands(); i != e; ++i) - if (!isa<ConstantFPSDNode>(N->getOperand(i)) || - !cast<ConstantFPSDNode>(N->getOperand(i))->isExactlyValue(0.0)) - return false; - } - return true; -} - /// isVecSplatImm - Return true if this is a build_vector of constants which /// can be formed by using a vspltis[bhw] instruction. The ByteSize field /// indicates the number of bytes of each element [124] -> [bhw]. @@ -347,7 +327,7 @@ bool PPC::isVecSplatImm(SDNode *N, unsigned ByteSize, char *Val) { int ShAmt = (4-ByteSize)*8; int MaskVal = ((int)Value << ShAmt) >> ShAmt; - // If this is zero, don't match, zero matches isZeroVector. + // If this is zero, don't match, zero matches ISD::isBuildVectorAllZeros. if (MaskVal == 0) return false; if (Val) *Val = MaskVal; @@ -721,7 +701,7 @@ SDOperand PPCTargetLowering::LowerOperation(SDOperand Op, SelectionDAG &DAG) { // See if this is all zeros. // FIXME: We should handle splat(-0.0), and other cases here. - if (PPC::isZeroVector(Op.Val)) + if (ISD::isBuildVectorAllZeros(Op.Val)) return Op; if (PPC::isVecSplatImm(Op.Val, 1) || // vspltisb |
