1
0
mirror of https://github.com/RPCS3/llvm-mirror.git synced 2025-01-31 20:51:52 +01:00

Added promotion to EXTRACT_SUBVECTOR operand.

I encountered with this case in one of KNL tests for i1 vectors.
v16i1 = EXTRACT_SUBVECTOR v32i1, x

llvm-svn: 238130
This commit is contained in:
Elena Demikhovsky 2015-05-25 11:33:13 +00:00
parent cf52b65e57
commit b0a0668b7b
4 changed files with 30 additions and 0 deletions

View File

@ -868,6 +868,7 @@ bool DAGTypeLegalizer::PromoteIntegerOperand(SDNode *N, unsigned OpNo) {
case ISD::FP16_TO_FP:
case ISD::UINT_TO_FP: Res = PromoteIntOp_UINT_TO_FP(N); break;
case ISD::ZERO_EXTEND: Res = PromoteIntOp_ZERO_EXTEND(N); break;
case ISD::EXTRACT_SUBVECTOR: Res = PromoteIntOp_EXTRACT_SUBVECTOR(N); break;
case ISD::SHL:
case ISD::SRA:
@ -3118,6 +3119,16 @@ SDValue DAGTypeLegalizer::PromoteIntOp_EXTRACT_VECTOR_ELT(SDNode *N) {
return DAG.getAnyExtOrTrunc(Ext, dl, N->getValueType(0));
}
SDValue DAGTypeLegalizer::PromoteIntOp_EXTRACT_SUBVECTOR(SDNode *N) {
SDLoc dl(N);
SDValue V0 = GetPromotedInteger(N->getOperand(0));
MVT InVT = V0.getValueType().getSimpleVT();
MVT OutVT = MVT::getVectorVT(InVT.getVectorElementType(),
N->getValueType(0).getVectorNumElements());
SDValue Ext = DAG.getNode(ISD::EXTRACT_SUBVECTOR, dl, OutVT, V0, N->getOperand(1));
return DAG.getNode(ISD::TRUNCATE, dl, N->getValueType(0), Ext);
}
SDValue DAGTypeLegalizer::PromoteIntOp_CONCAT_VECTORS(SDNode *N) {
SDLoc dl(N);
unsigned NumElems = N->getNumOperands();

View File

@ -278,6 +278,7 @@ private:
SDValue PromoteIntOp_INSERT_VECTOR_ELT(SDNode *N, unsigned OpNo);
SDValue PromoteIntOp_EXTRACT_ELEMENT(SDNode *N);
SDValue PromoteIntOp_EXTRACT_VECTOR_ELT(SDNode *N);
SDValue PromoteIntOp_EXTRACT_SUBVECTOR(SDNode *N);
SDValue PromoteIntOp_CONCAT_VECTORS(SDNode *N);
SDValue PromoteIntOp_SCALAR_TO_VECTOR(SDNode *N);
SDValue PromoteIntOp_SELECT(SDNode *N, unsigned OpNo);

View File

@ -1479,6 +1479,10 @@ X86TargetLowering::X86TargetLowering(const X86TargetMachine &TM,
setOperationAction(ISD::SIGN_EXTEND, MVT::v64i8, Custom);
setOperationAction(ISD::INSERT_VECTOR_ELT, MVT::v32i1, Custom);
setOperationAction(ISD::INSERT_VECTOR_ELT, MVT::v64i1, Custom);
setOperationAction(ISD::VSELECT, MVT::v32i16, Legal);
setOperationAction(ISD::VSELECT, MVT::v64i8, Legal);
setOperationAction(ISD::TRUNCATE, MVT::v32i1, Custom);
setOperationAction(ISD::TRUNCATE, MVT::v64i1, Custom);
for (int i = MVT::v32i8; i != MVT::v8i64; ++i) {
const MVT VT = (MVT::SimpleValueType)i;

View File

@ -393,3 +393,17 @@ define <8 x i1> @test20(i8 %a, i16 %y) {
%c = shufflevector < 8 x i1>%b, <8 x i1>undef, <8 x i32> <i32 undef, i32 2, i32 undef, i32 undef, i32 3, i32 undef, i32 2, i32 undef>
ret <8 x i1> %c
}
; KNL-LABEL: test21
; KNL: vpand %ymm
; KNL: vextracti128 $1, %ymm2
; KNL: vpand %ymm
; SKX-LABEL: test21
; SKX: vpmovb2m
; SKX: vmovdqu16 {{.*}}%k1
define <32 x i16> @test21(<32 x i16> %x , <32 x i1> %mask) nounwind readnone {
%ret = select <32 x i1> %mask, <32 x i16> %x, <32 x i16> zeroinitializer
ret <32 x i16> %ret
}