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[Hexagon] Fix zero-extending non-HVX bool vectors

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llvm-svn: 327712
This commit is contained in:
Krzysztof Parzyszek 2018-03-16 15:03:37 +00:00
parent a3e8413136
commit 071a8678db
3 changed files with 96 additions and 12 deletions
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9
lib/Target/Hexagon/HexagonISelLowering.cpp
View File

@ -1506,6 +1506,13 @@ HexagonTargetLowering::HexagonTargetLowering(const TargetMachine &TM,
setOperationAction(ISD::LOAD, VecVT, Custom);
}
for (MVT VT : {MVT::v2i16, MVT::v4i8, MVT::v2i32, MVT::v4i16, MVT::v2i32}) {
setCondCodeAction(ISD::SETLT, VT, Expand);
setCondCodeAction(ISD::SETLE, VT, Expand);
setCondCodeAction(ISD::SETULT, VT, Expand);
setCondCodeAction(ISD::SETULE, VT, Expand);
}
// Custom-lower bitcasts from i8 to v8i1.
setOperationAction(ISD::BITCAST, MVT::i8, Custom);
setOperationAction(ISD::SETCC, MVT::v2i16, Custom);
@ -2231,7 +2238,7 @@ HexagonTargetLowering::extractVector(SDValue VecV, SDValue IdxV,
// position 0.
assert(ty(IdxV) == MVT::i32);
SDValue S0 = DAG.getNode(ISD::MUL, dl, MVT::i32, IdxV,
DAG.getConstant(8, dl, MVT::i32));
DAG.getConstant(8*Scale, dl, MVT::i32));
SDValue T0 = DAG.getNode(HexagonISD::P2D, dl, MVT::i64, VecV);
SDValue T1 = DAG.getNode(ISD::SRL, dl, MVT::i64, T0, S0);
while (Scale > 1) {

30
lib/Target/Hexagon/HexagonPatterns.td
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@ -430,11 +430,19 @@ let AddedComplexity = 20 in {
def: Pat<(i32 (anyext I1:$Pu)), (C2_muxii I1:$Pu, 1, 0)>;
def: Pat<(i64 (anyext I1:$Pu)), (ToZext64 (C2_muxii I1:$Pu, 1, 0))>;
def: Pat<(v8i8 (zext V8I1:$Pu)), (C2_mask V8I1:$Pu)>;
def: Pat<(v4i16 (zext V4I1:$Pu)), (C2_mask V4I1:$Pu)>;
def: Pat<(v2i32 (zext V2I1:$Pu)), (C2_mask V2I1:$Pu)>;
def: Pat<(v4i8 (zext V4I1:$Pu)), (LoReg (C2_mask V4I1:$Pu))>;
def: Pat<(v2i16 (zext V2I1:$Pu)), (LoReg (C2_mask V2I1:$Pu))>;
def Vsplatpi: OutPatFrag<(ops node:$V),
(Combinew (A2_tfrsi $V), (A2_tfrsi $V))>;
def: Pat<(v8i8 (zext V8I1:$Pu)),
(A2_andp (C2_mask V8I1:$Pu), (Vsplatpi (i32 0x01010101)))>;
def: Pat<(v4i16 (zext V4I1:$Pu)),
(A2_andp (C2_mask V4I1:$Pu), (Vsplatpi (i32 0x00010001)))>;
def: Pat<(v2i32 (zext V2I1:$Pu)),
(A2_andp (C2_mask V2I1:$Pu), (A2_combineii (i32 1), (i32 1)))>;
def: Pat<(v4i8 (zext V4I1:$Pu)),
(A2_andir (LoReg (C2_mask V4I1:$Pu)), (i32 0x01010101))>;
def: Pat<(v2i16 (zext V2I1:$Pu)),
(A2_andir (LoReg (C2_mask V2I1:$Pu)), (i32 0x00010001))>;
def: Pat<(v4i16 (zext V4I8:$Rs)), (S2_vzxtbh V4I8:$Rs)>;
def: Pat<(v2i32 (zext V2I16:$Rs)), (S2_vzxthw V2I16:$Rs)>;
@ -695,18 +703,18 @@ def: Pat<(i1 (setne I1:$Ps, (i1 -1))), (C2_not I1:$Ps)>;
def: Pat<(i1 (seteq I1:$Ps, I1:$Pt)), (C2_xor I1:$Ps, (C2_not I1:$Pt))>;
def: Pat<(i1 (setne I1:$Ps, I1:$Pt)), (C2_xor I1:$Ps, I1:$Pt)>;
def: Pat<(i1 (seteq V4I8:$Rs, V4I8:$Rt)),
def: Pat<(v4i1 (seteq V4I8:$Rs, V4I8:$Rt)),
(A2_vcmpbeq (ToZext64 $Rs), (ToZext64 $Rt))>;
def: Pat<(i1 (setgt V4I8:$Rs, V4I8:$Rt)),
def: Pat<(v4i1 (setgt V4I8:$Rs, V4I8:$Rt)),
(A4_vcmpbgt (ToZext64 $Rs), (ToZext64 $Rt))>;
def: Pat<(i1 (setugt V4I8:$Rs, V4I8:$Rt)),
def: Pat<(v4i1 (setugt V4I8:$Rs, V4I8:$Rt)),
(A2_vcmpbgtu (ToZext64 $Rs), (ToZext64 $Rt))>;
def: Pat<(i1 (seteq V2I16:$Rs, V2I16:$Rt)),
def: Pat<(v2i1 (seteq V2I16:$Rs, V2I16:$Rt)),
(A2_vcmpheq (ToZext64 $Rs), (ToZext64 $Rt))>;
def: Pat<(i1 (setgt V2I16:$Rs, V2I16:$Rt)),
def: Pat<(v2i1 (setgt V2I16:$Rs, V2I16:$Rt)),
(A2_vcmphgt (ToZext64 $Rs), (ToZext64 $Rt))>;
def: Pat<(i1 (setugt V2I16:$Rs, V2I16:$Rt)),
def: Pat<(v2i1 (setugt V2I16:$Rs, V2I16:$Rt)),
(A2_vcmphgtu (ToZext64 $Rs), (ToZext64 $Rt))>;
def: Pat<(v2i1 (setne V2I32:$Rs, V2I32:$Rt)),

69
test/CodeGen/Hexagon/isel-zext-vNi1.ll Normal file
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@ -0,0 +1,69 @@
; RUN: llc -march=hexagon -disable-hsdr < %s | FileCheck %s
; Check that zero-extends of short boolean vectors are done correctly.
; These are not the only possible instruction sequences, so if something
; changes, the tests should be changed as well.
; CHECK-LABEL: f0:
; CHECK-DAG: r[[D00:([0-9]+:[0-9]+)]] = combine(#0,r0)
; CHECK-DAG: r[[D01:([0-9]+:[0-9]+)]] = combine(#0,r1)
; CHECK: p[[P00:[0-3]]] = vcmpb.gt(r[[D01]],r[[D00]])
; CHECK: r{{[0-9]+}}:[[R00:[0-9]+]] = mask(p[[P00]])
; CHECK: r0 = and(r[[R00]],##16843009)
define <4 x i8> @f0(<4 x i8> %a0, <4 x i8> %a1) #0 {
b0:
%v0 = icmp slt <4 x i8> %a0, %a1
%v1 = zext <4 x i1> %v0 to <4 x i8>
ret <4 x i8> %v1
}
; CHECK-LABEL: f1:
; CHECK-DAG: r[[D10:([0-9]+:[0-9]+)]] = vsxthw(r0)
; CHECK-DAG: r[[D11:([0-9]+:[0-9]+)]] = vsxthw(r1)
; CHECK: p[[P10:[0-3]]] = vcmpw.gt(r[[D11]],r[[D10]])
; CHECK: r{{[0-9]+}}:[[R10:[0-9]+]] = mask(p[[P10]])
; CHECK: r0 = and(r[[R10]],##65537)
define <2 x i16> @f1(<2 x i16> %a0, <2 x i16> %a1) #0 {
b0:
%v0 = icmp slt <2 x i16> %a0, %a1
%v1 = zext <2 x i1> %v0 to <2 x i16>
ret <2 x i16> %v1
}
; CHECK-LABEL: f2:
; CHECK-DAG: r[[D20:([0-9]+:[0-9]+)]] = CONST64(#72340172838076673)
; CHECK-DAG: p[[P20:[0-3]]] = vcmpb.gt(r3:2,r1:0)
; CHECK: r[[D21:([0-9]+:[0-9]+)]] = mask(p[[P20]])
; CHECK: r1:0 = and(r[[D21]],r[[D20]])
define <8 x i8> @f2(<8 x i8> %a0, <8 x i8> %a1) #0 {
b0:
%v0 = icmp slt <8 x i8> %a0, %a1
%v1 = zext <8 x i1> %v0 to <8 x i8>
ret <8 x i8> %v1
}
; CHECK-LABEL: f3:
; CHECK-DAG: r[[D30:([0-9]+:[0-9]+)]] = CONST64(#281479271743489)
; CHECK-DAG: p[[P30:[0-3]]] = vcmph.gt(r3:2,r1:0)
; CHECK: r[[D31:([0-9]+:[0-9]+)]] = mask(p[[P30]])
; CHECK: r1:0 = and(r[[D31]],r[[D30]])
define <4 x i16> @f3(<4 x i16> %a0, <4 x i16> %a1) #0 {
b0:
%v0 = icmp slt <4 x i16> %a0, %a1
%v1 = zext <4 x i1> %v0 to <4 x i16>
ret <4 x i16> %v1
}
; CHECK-LABEL: f4:
; CHECK-DAG: r[[D40:([0-9]+:[0-9]+)]] = combine(#1,#1)
; CHECK-DAG: p[[P40:[0-3]]] = vcmpw.gt(r3:2,r1:0)
; CHECK: r[[D41:([0-9]+:[0-9]+)]] = mask(p[[P40]])
; CHECK: r1:0 = and(r[[D41]],r[[D40]])
define <2 x i32> @f4(<2 x i32> %a0, <2 x i32> %a1) #0 {
b0:
%v0 = icmp slt <2 x i32> %a0, %a1
%v1 = zext <2 x i1> %v0 to <2 x i32>
ret <2 x i32> %v1
}
attributes #0 = { nounwind readnone }