Use the correct result value type instead of using getValueType(0)

in ExpandEXTRACT_VECTOR_ELT and SplitVectorOp. This fixes an abort
in the included testcase.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42264 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Dan Gohman 2007-09-24 15:54:53 +00:00
parent ea81d095dc
commit e40c7b0973
2 changed files with 10 additions and 4 deletions

View File

@ -3870,8 +3870,7 @@ SDOperand SelectionDAGLegalize::ExpandEXTRACT_VECTOR_ELT(SDOperand Op) {
SDOperand Vec = Op.getOperand(0);
SDOperand Idx = Op.getOperand(1);
SDNode *InVal = Vec.Val;
MVT::ValueType TVT = InVal->getValueType(0);
MVT::ValueType TVT = Vec.getValueType();
unsigned NumElems = MVT::getVectorNumElements(TVT);
switch (TLI.getOperationAction(ISD::EXTRACT_VECTOR_ELT, TVT)) {
@ -5803,10 +5802,10 @@ void SelectionDAGLegalize::SplitVectorOp(SDOperand Op, SDOperand &Lo,
SDOperand &Hi) {
assert(MVT::isVector(Op.getValueType()) && "Cannot split non-vector type!");
SDNode *Node = Op.Val;
unsigned NumElements = MVT::getVectorNumElements(Node->getValueType(0));
unsigned NumElements = MVT::getVectorNumElements(Op.getValueType());
assert(NumElements > 1 && "Cannot split a single element vector!");
unsigned NewNumElts = NumElements/2;
MVT::ValueType NewEltVT = MVT::getVectorElementType(Node->getValueType(0));
MVT::ValueType NewEltVT = MVT::getVectorElementType(Op.getValueType());
MVT::ValueType NewVT = MVT::getVectorType(NewEltVT, NewNumElts);
// See if we already split it.

View File

@ -0,0 +1,7 @@
; RUN: llvm-as %s -o - | llc -march=x86-64
define void @test(float* %R, <4 x float> %X) {
%tmp = extractelement <4 x float> %X, i32 3
store float %tmp, float* %R
ret void
}