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getelementptr instruction, support index vector of EVT. 

Differential Revision: http://reviews.llvm.org/D19775

llvm-svn: 268195
This commit is contained in:
Igor Breger 2016-05-01 13:29:12 +00:00
parent cdbc450ad6
commit 110af565c7
2 changed files with 11 additions and 1 deletions
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3
llvm/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp
View File

@ -3245,7 +3245,8 @@ void SelectionDAGBuilder::visitGetElementPtr(const User &I) {
cast<VectorType>(I.getType())->getVectorNumElements() : 0;
if (VectorWidth && !N.getValueType().isVector()) {
MVT VT = MVT::getVectorVT(N.getValueType().getSimpleVT(), VectorWidth);
LLVMContext &Context = *DAG.getContext();
EVT VT = EVT::getVectorVT(Context, N.getValueType(), VectorWidth);
SmallVector<SDValue, 16> Ops(VectorWidth, N);
N = DAG.getNode(ISD::BUILD_VECTOR, dl, VT, Ops);
}

9
llvm/test/CodeGen/X86/vector-gep.ll
View File

@ -114,3 +114,12 @@ entry:
ret <4 x i16*> %A
;CHECK: ret
}
;CHECK-LABEL: AGEP9:
define <64 x i16*> @AGEP9(i16* %param, <64 x i32> %off) nounwind {
entry:
;CHECK: vbroadcastss
%A = getelementptr i16, i16* %param, <64 x i32> %off
ret <64 x i16*> %A
;CHECK: ret
}