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Fix the CodeGen/PowerPC/vec_constants.ll regression.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@32057 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2006-12-01 01:45:39 +00:00
parent 1a7f6ff272
commit 70fa493613
1 changed files with 9 additions and 6 deletions
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15
lib/Target/PowerPC/PPCISelLowering.cpp
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@ -1958,13 +1958,17 @@ static bool isConstantSplat(const uint64_t Bits128[2],
static SDOperand BuildSplatI(int Val, unsigned SplatSize, MVT::ValueType VT,
SelectionDAG &DAG) {
assert(Val >= -16 && Val <= 15 && "vsplti is out of range!");
// Force vspltis[hw] -1 to vspltisb -1.
if (Val == -1) SplatSize = 1;
static const MVT::ValueType VTys[] = { // canonical VT to use for each size.
MVT::v16i8, MVT::v8i16, MVT::Other, MVT::v4i32
};
MVT::ValueType ReqVT = VT != MVT::Other ? VT : VTys[SplatSize-1];
// Force vspltis[hw] -1 to vspltisb -1 to canonicalize.
if (Val == -1)
SplatSize = 1;
MVT::ValueType CanonicalVT = VTys[SplatSize-1];
// Build a canonical splat for this value.
@ -1973,8 +1977,7 @@ static SDOperand BuildSplatI(int Val, unsigned SplatSize, MVT::ValueType VT,
Ops.assign(MVT::getVectorNumElements(CanonicalVT), Elt);
SDOperand Res = DAG.getNode(ISD::BUILD_VECTOR, CanonicalVT,
&Ops[0], Ops.size());
if (VT == MVT::Other) return Res;
return DAG.getNode(ISD::BIT_CONVERT, VT, Res);
return DAG.getNode(ISD::BIT_CONVERT, ReqVT, Res);
}
/// BuildIntrinsicOp - Return a binary operator intrinsic node with the