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Tidy up code

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135656 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Bruno Cardoso Lopes 2011-07-21 01:55:27 +00:00
parent c205a094bd
commit 67727cac2f
1 changed files with 5 additions and 15 deletions
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20
lib/Target/X86/X86ISelLowering.cpp
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@ -85,14 +85,10 @@ static SDValue Extract128BitVector(SDValue Vec,
DebugLoc dl) { DebugLoc dl) {
EVT VT = Vec.getValueType(); EVT VT = Vec.getValueType();
assert(VT.getSizeInBits() == 256 && "Unexpected vector size!"); assert(VT.getSizeInBits() == 256 && "Unexpected vector size!");
EVT ElVT = VT.getVectorElementType(); EVT ElVT = VT.getVectorElementType();
int Factor = VT.getSizeInBits()/128;
int Factor = VT.getSizeInBits() / 128; EVT ResultVT = EVT::getVectorVT(*DAG.getContext(), ElVT,
VT.getVectorNumElements()/Factor);
EVT ResultVT = EVT::getVectorVT(*DAG.getContext(),
ElVT,
VT.getVectorNumElements() / Factor);
// Extract from UNDEF is UNDEF. // Extract from UNDEF is UNDEF.
if (Vec.getOpcode() == ISD::UNDEF) if (Vec.getOpcode() == ISD::UNDEF)
@ -111,7 +107,6 @@ static SDValue Extract128BitVector(SDValue Vec,
* ElemsPerChunk); * ElemsPerChunk);
SDValue VecIdx = DAG.getConstant(NormalizedIdxVal, MVT::i32); SDValue VecIdx = DAG.getConstant(NormalizedIdxVal, MVT::i32);
SDValue Result = DAG.getNode(ISD::EXTRACT_SUBVECTOR, dl, ResultVT, Vec, SDValue Result = DAG.getNode(ISD::EXTRACT_SUBVECTOR, dl, ResultVT, Vec,
VecIdx); VecIdx);
@ -136,21 +131,18 @@ static SDValue Insert128BitVector(SDValue Result,
assert(VT.getSizeInBits() == 128 && "Unexpected vector size!"); assert(VT.getSizeInBits() == 128 && "Unexpected vector size!");
EVT ElVT = VT.getVectorElementType(); EVT ElVT = VT.getVectorElementType();
unsigned IdxVal = cast<ConstantSDNode>(Idx)->getZExtValue(); unsigned IdxVal = cast<ConstantSDNode>(Idx)->getZExtValue();
EVT ResultVT = Result.getValueType(); EVT ResultVT = Result.getValueType();
// Insert the relevant 128 bits. // Insert the relevant 128 bits.
unsigned ElemsPerChunk = 128 / ElVT.getSizeInBits(); unsigned ElemsPerChunk = 128/ElVT.getSizeInBits();
// This is the index of the first element of the 128-bit chunk // This is the index of the first element of the 128-bit chunk
// we want. // we want.
unsigned NormalizedIdxVal = (((IdxVal * ElVT.getSizeInBits()) / 128) unsigned NormalizedIdxVal = (((IdxVal * ElVT.getSizeInBits())/128)
* ElemsPerChunk); * ElemsPerChunk);
SDValue VecIdx = DAG.getConstant(NormalizedIdxVal, MVT::i32); SDValue VecIdx = DAG.getConstant(NormalizedIdxVal, MVT::i32);
Result = DAG.getNode(ISD::INSERT_SUBVECTOR, dl, ResultVT, Result, Vec, Result = DAG.getNode(ISD::INSERT_SUBVECTOR, dl, ResultVT, Result, Vec,
VecIdx); VecIdx);
return Result; return Result;
@ -3641,7 +3633,6 @@ unsigned X86::getExtractVEXTRACTF128Immediate(SDNode *N) {
EVT ElVT = VecVT.getVectorElementType(); EVT ElVT = VecVT.getVectorElementType();
unsigned NumElemsPerChunk = 128 / ElVT.getSizeInBits(); unsigned NumElemsPerChunk = 128 / ElVT.getSizeInBits();
return Index / NumElemsPerChunk; return Index / NumElemsPerChunk;
} }
@ -3659,7 +3650,6 @@ unsigned X86::getInsertVINSERTF128Immediate(SDNode *N) {
EVT ElVT = VecVT.getVectorElementType(); EVT ElVT = VecVT.getVectorElementType();
unsigned NumElemsPerChunk = 128 / ElVT.getSizeInBits(); unsigned NumElemsPerChunk = 128 / ElVT.getSizeInBits();
return Index / NumElemsPerChunk; return Index / NumElemsPerChunk;
} }