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Use SDValue bool checks; NFC intended

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llvm-svn: 233289
This commit is contained in:
Sanjay Patel 2015-03-26 16:55:43 +00:00
parent f8b93937c8
commit eef94e25b4
1 changed files with 13 additions and 20 deletions
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33
lib/Target/X86/X86ISelLowering.cpp
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@ -5571,8 +5571,7 @@ X86TargetLowering::LowerBUILD_VECTOR(SDValue Op, SelectionDAG &DAG) const {
return getOnesVector(VT, Subtarget->hasInt256(), DAG, dl);
}
SDValue Broadcast = LowerVectorBroadcast(Op, Subtarget, DAG);
if (Broadcast.getNode())
if (SDValue Broadcast = LowerVectorBroadcast(Op, Subtarget, DAG))
return Broadcast;
unsigned EVTBits = ExtVT.getSizeInBits();
@ -5747,24 +5746,20 @@ X86TargetLowering::LowerBUILD_VECTOR(SDValue Op, SelectionDAG &DAG) const {
}
// If element VT is < 32 bits, convert it to inserts into a zero vector.
if (EVTBits == 8 && NumElems == 16) {
SDValue V = LowerBuildVectorv16i8(Op, NonZeros,NumNonZero,NumZero, DAG,
Subtarget, *this);
if (V.getNode()) return V;
}
if (EVTBits == 8 && NumElems == 16)
if (SDValue V = LowerBuildVectorv16i8(Op, NonZeros,NumNonZero,NumZero, DAG,
Subtarget, *this))
return V;
if (EVTBits == 16 && NumElems == 8) {
SDValue V = LowerBuildVectorv8i16(Op, NonZeros,NumNonZero,NumZero, DAG,
Subtarget, *this);
if (V.getNode()) return V;
}
if (EVTBits == 16 && NumElems == 8)
if (SDValue V = LowerBuildVectorv8i16(Op, NonZeros,NumNonZero,NumZero, DAG,
Subtarget, *this))
return V;
// If element VT is == 32 bits and has 4 elems, try to generate an INSERTPS
if (EVTBits == 32 && NumElems == 4) {
SDValue V = LowerBuildVectorv4x32(Op, DAG, Subtarget, *this);
if (V.getNode())
if (EVTBits == 32 && NumElems == 4)
if (SDValue V = LowerBuildVectorv4x32(Op, DAG, Subtarget, *this))
return V;
}
// If element VT is == 32 bits, turn it into a number of shuffles.
SmallVector<SDValue, 8> V(NumElems);
@ -5812,13 +5807,11 @@ X86TargetLowering::LowerBUILD_VECTOR(SDValue Op, SelectionDAG &DAG) const {
V[i] = Op.getOperand(i);
// Check for elements which are consecutive loads.
SDValue LD = EltsFromConsecutiveLoads(VT, V, dl, DAG, false);
if (LD.getNode())
if (SDValue LD = EltsFromConsecutiveLoads(VT, V, dl, DAG, false))
return LD;
// Check for a build vector from mostly shuffle plus few inserting.
SDValue Sh = buildFromShuffleMostly(Op, DAG);
if (Sh.getNode())
if (SDValue Sh = buildFromShuffleMostly(Op, DAG))
return Sh;
// For SSE 4.1, use insertps to put the high elements into the low element.