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AMDGPU: Custom lower v4i16/v4f16 vector operations

Avoids stack access.

Also handle extract hi elt pattern from truncate + shift
to avoid a couple test regressions.

llvm-svn: 332453
This commit is contained in:
Matt Arsenault 2018-05-16 11:47:30 +00:00
parent 24dda2d3d2
commit 7dd12ffd85
10 changed files with 381 additions and 130 deletions

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@ -3144,6 +3144,28 @@ SDValue AMDGPUTargetLowering::performTruncateCombine(
}
}
// Equivalent of above for accessing the high element of a vector as an
// integer operation.
// trunc (srl (bitcast (build_vector x, y))), 16 -> trunc (bitcast y)
if (Src.getOpcode() == ISD::SRL) {
if (auto K = isConstOrConstSplat(Src.getOperand(1))) {
if (2 * K->getZExtValue() == Src.getValueType().getScalarSizeInBits()) {
SDValue BV = stripBitcast(Src.getOperand(0));
if (BV.getOpcode() == ISD::BUILD_VECTOR &&
BV.getValueType().getVectorNumElements() == 2) {
SDValue SrcElt = BV.getOperand(1);
EVT SrcEltVT = SrcElt.getValueType();
if (SrcEltVT.isFloatingPoint()) {
SrcElt = DAG.getNode(ISD::BITCAST, SL,
SrcEltVT.changeTypeToInteger(), SrcElt);
}
return DAG.getNode(ISD::TRUNCATE, SL, VT, SrcElt);
}
}
}
}
// Partially shrink 64-bit shifts to 32-bit if reduced to 16-bit.
//
// i16 (trunc (srl i64:x, K)), K <= 16 ->

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@ -137,6 +137,10 @@ public:
return false;
}
static inline SDValue stripBitcast(SDValue Val) {
return Val.getOpcode() == ISD::BITCAST ? Val.getOperand(0) : Val;
}
static bool allUsesHaveSourceMods(const SDNode *N,
unsigned CostThreshold = 4);
bool isFAbsFree(EVT VT) const override;

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@ -288,13 +288,24 @@ SITargetLowering::SITargetLowering(const TargetMachine &TM,
setOperationAction(ISD::VECTOR_SHUFFLE, MVT::v16i32, Expand);
setOperationAction(ISD::VECTOR_SHUFFLE, MVT::v16f32, Expand);
setOperationAction(ISD::BUILD_VECTOR, MVT::v4f16, Custom);
setOperationAction(ISD::BUILD_VECTOR, MVT::v4i16, Custom);
// Avoid stack access for these.
// TODO: Generalize to more vector types.
setOperationAction(ISD::INSERT_VECTOR_ELT, MVT::v2i16, Custom);
setOperationAction(ISD::INSERT_VECTOR_ELT, MVT::v2f16, Custom);
setOperationAction(ISD::INSERT_VECTOR_ELT, MVT::v4i16, Custom);
setOperationAction(ISD::INSERT_VECTOR_ELT, MVT::v4f16, Custom);
setOperationAction(ISD::EXTRACT_VECTOR_ELT, MVT::v2i16, Custom);
setOperationAction(ISD::EXTRACT_VECTOR_ELT, MVT::v2f16, Custom);
setOperationAction(ISD::EXTRACT_VECTOR_ELT, MVT::v4i16, Custom);
setOperationAction(ISD::EXTRACT_VECTOR_ELT, MVT::v4f16, Custom);
setOperationAction(ISD::INSERT_VECTOR_ELT, MVT::v4i16, Custom);
setOperationAction(ISD::INSERT_VECTOR_ELT, MVT::v4f16, Custom);
// BUFFER/FLAT_ATOMIC_CMP_SWAP on GCN GPUs needs input marshalling,
// and output demarshalling
setOperationAction(ISD::ATOMIC_CMP_SWAP, MVT::i32, Custom);
@ -3333,6 +3344,8 @@ SDValue SITargetLowering::LowerOperation(SDValue Op, SelectionDAG &DAG) const {
return lowerINSERT_VECTOR_ELT(Op, DAG);
case ISD::EXTRACT_VECTOR_ELT:
return lowerEXTRACT_VECTOR_ELT(Op, DAG);
case ISD::BUILD_VECTOR:
return lowerBUILD_VECTOR(Op, DAG);
case ISD::FP_ROUND:
return lowerFP_ROUND(Op, DAG);
case ISD::TRAP:
@ -4157,34 +4170,72 @@ SDValue SITargetLowering::lowerADDRSPACECAST(SDValue Op,
SDValue SITargetLowering::lowerINSERT_VECTOR_ELT(SDValue Op,
SelectionDAG &DAG) const {
SDValue Vec = Op.getOperand(0);
SDValue InsVal = Op.getOperand(1);
SDValue Idx = Op.getOperand(2);
EVT VecVT = Vec.getValueType();
assert(VecVT.getScalarSizeInBits() == 16);
unsigned NumElts = VecVT.getVectorNumElements();
SDLoc SL(Op);
auto KIdx = dyn_cast<ConstantSDNode>(Idx);
if (NumElts == 4 && KIdx) {
SDValue BCVec = DAG.getNode(ISD::BITCAST, SL, MVT::v2i32, Vec);
SDValue LoHalf = DAG.getNode(ISD::EXTRACT_VECTOR_ELT, SL, MVT::i32, BCVec,
DAG.getConstant(0, SL, MVT::i32));
SDValue HiHalf = DAG.getNode(ISD::EXTRACT_VECTOR_ELT, SL, MVT::i32, BCVec,
DAG.getConstant(1, SL, MVT::i32));
SDValue LoVec = DAG.getNode(ISD::BITCAST, SL, MVT::v2i16, LoHalf);
SDValue HiVec = DAG.getNode(ISD::BITCAST, SL, MVT::v2i16, HiHalf);
unsigned Idx = KIdx->getZExtValue();
bool InsertLo = Idx < 2;
SDValue InsHalf = DAG.getNode(ISD::INSERT_VECTOR_ELT, SL, MVT::v2i16,
InsertLo ? LoVec : HiVec,
DAG.getNode(ISD::BITCAST, SL, MVT::i16, InsVal),
DAG.getConstant(InsertLo ? Idx : (Idx - 2), SL, MVT::i32));
InsHalf = DAG.getNode(ISD::BITCAST, SL, MVT::i32, InsHalf);
SDValue Concat = InsertLo ?
DAG.getBuildVector(MVT::v2i32, SL, { InsHalf, HiHalf }) :
DAG.getBuildVector(MVT::v2i32, SL, { LoHalf, InsHalf });
return DAG.getNode(ISD::BITCAST, SL, VecVT, Concat);
}
assert(NumElts == 2 || NumElts == 4);
if (isa<ConstantSDNode>(Idx))
return SDValue();
EVT IntVT = NumElts == 2 ? MVT::i32 : MVT::i64;
// Avoid stack access for dynamic indexing.
SDLoc SL(Op);
SDValue Vec = Op.getOperand(0);
SDValue Val = DAG.getNode(ISD::BITCAST, SL, MVT::i16, Op.getOperand(1));
SDValue Val = DAG.getNode(ISD::BITCAST, SL, MVT::i16, InsVal);
// v_bfi_b32 (v_bfm_b32 16, (shl idx, 16)), val, vec
SDValue ExtVal = DAG.getNode(ISD::ZERO_EXTEND, SL, MVT::i32, Val);
SDValue ExtVal = DAG.getNode(ISD::ZERO_EXTEND, SL, IntVT, Val);
// Convert vector index to bit-index.
SDValue ScaledIdx = DAG.getNode(ISD::SHL, SL, MVT::i32, Idx,
DAG.getConstant(4, SL, MVT::i32));
SDValue BCVec = DAG.getNode(ISD::BITCAST, SL, MVT::i32, Vec);
SDValue BFM = DAG.getNode(ISD::SHL, SL, MVT::i32,
DAG.getConstant(0xffff, SL, MVT::i32),
SDValue BCVec = DAG.getNode(ISD::BITCAST, SL, IntVT, Vec);
SDValue BFM = DAG.getNode(ISD::SHL, SL, IntVT,
DAG.getConstant(0xffff, SL, IntVT),
ScaledIdx);
SDValue LHS = DAG.getNode(ISD::AND, SL, MVT::i32, BFM, ExtVal);
SDValue RHS = DAG.getNode(ISD::AND, SL, MVT::i32,
DAG.getNOT(SL, BFM, MVT::i32), BCVec);
SDValue LHS = DAG.getNode(ISD::AND, SL, IntVT, BFM, ExtVal);
SDValue RHS = DAG.getNode(ISD::AND, SL, IntVT,
DAG.getNOT(SL, BFM, IntVT), BCVec);
SDValue BFI = DAG.getNode(ISD::OR, SL, MVT::i32, LHS, RHS);
return DAG.getNode(ISD::BITCAST, SL, Op.getValueType(), BFI);
SDValue BFI = DAG.getNode(ISD::OR, SL, IntVT, LHS, RHS);
return DAG.getNode(ISD::BITCAST, SL, VecVT, BFI);
}
SDValue SITargetLowering::lowerEXTRACT_VECTOR_ELT(SDValue Op,
@ -4194,6 +4245,9 @@ SDValue SITargetLowering::lowerEXTRACT_VECTOR_ELT(SDValue Op,
EVT ResultVT = Op.getValueType();
SDValue Vec = Op.getOperand(0);
SDValue Idx = Op.getOperand(1);
EVT VecVT = Vec.getValueType();
unsigned NumElts = VecVT.getVectorNumElements();
assert(VecVT.getScalarSizeInBits() == 16 && (NumElts == 2 || NumElts == 4));
DAGCombinerInfo DCI(DAG, AfterLegalizeVectorOps, true, nullptr);
@ -4204,21 +4258,45 @@ SDValue SITargetLowering::lowerEXTRACT_VECTOR_ELT(SDValue Op,
if (SDValue Combined = performExtractVectorEltCombine(Op.getNode(), DCI))
return Combined;
EVT IntVT = NumElts == 2 ? MVT::i32 : MVT::i64;
SDValue Four = DAG.getConstant(4, SL, MVT::i32);
// Convert vector index to bit-index (* 16)
SDValue ScaledIdx = DAG.getNode(ISD::SHL, SL, MVT::i32, Idx, Four);
SDValue BC = DAG.getNode(ISD::BITCAST, SL, MVT::i32, Vec);
SDValue Elt = DAG.getNode(ISD::SRL, SL, MVT::i32, BC, ScaledIdx);
SDValue Result = Elt;
if (ResultVT.bitsLT(MVT::i32))
Result = DAG.getNode(ISD::TRUNCATE, SL, MVT::i16, Result);
SDValue BC = DAG.getNode(ISD::BITCAST, SL, IntVT, Vec);
SDValue Elt = DAG.getNode(ISD::SRL, SL, IntVT, BC, ScaledIdx);
if (ResultVT == MVT::f16) {
SDValue Result = DAG.getNode(ISD::TRUNCATE, SL, MVT::i16, Elt);
return DAG.getNode(ISD::BITCAST, SL, ResultVT, Result);
}
return DAG.getAnyExtOrTrunc(Elt, SL, ResultVT);
}
SDValue SITargetLowering::lowerBUILD_VECTOR(SDValue Op,
SelectionDAG &DAG) const {
SDLoc SL(Op);
EVT VT = Op.getValueType();
assert(VT == MVT::v4i16 || VT == MVT::v4f16);
EVT HalfVT = MVT::getVectorVT(VT.getVectorElementType().getSimpleVT(), 2);
// Turn into pair of packed build_vectors.
// TODO: Special case for constants that can be materialized with s_mov_b64.
SDValue Lo = DAG.getBuildVector(HalfVT, SL,
{ Op.getOperand(0), Op.getOperand(1) });
SDValue Hi = DAG.getBuildVector(HalfVT, SL,
{ Op.getOperand(2), Op.getOperand(3) });
SDValue CastLo = DAG.getNode(ISD::BITCAST, SL, MVT::i32, Lo);
SDValue CastHi = DAG.getNode(ISD::BITCAST, SL, MVT::i32, Hi);
SDValue Blend = DAG.getBuildVector(MVT::v2i32, SL, { CastLo, CastHi });
return DAG.getNode(ISD::BITCAST, SL, VT, Blend);
}
bool
SITargetLowering::isOffsetFoldingLegal(const GlobalAddressSDNode *GA) const {
// We can fold offsets for anything that doesn't require a GOT relocation.

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@ -84,6 +84,7 @@ class SITargetLowering final : public AMDGPUTargetLowering {
SDValue lowerADDRSPACECAST(SDValue Op, SelectionDAG &DAG) const;
SDValue lowerINSERT_VECTOR_ELT(SDValue Op, SelectionDAG &DAG) const;
SDValue lowerEXTRACT_VECTOR_ELT(SDValue Op, SelectionDAG &DAG) const;
SDValue lowerBUILD_VECTOR(SDValue Op, SelectionDAG &DAG) const;
SDValue lowerTRAP(SDValue Op, SelectionDAG &DAG) const;
SDNode *adjustWritemask(MachineSDNode *&N, SelectionDAG &DAG) const;

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@ -7,17 +7,17 @@ target datalayout = "A5"
; size and not 4 corresponding to the sign-extended size (i32).
; DEBUG: {{^}}# Machine code for function extload_align:
; DEBUG: (load 2, addrspace 5)
; DEBUG: (volatile load 2 from %ir.a, addrspace 5)
; DEBUG: {{^}}# End machine code for function extload_align.
define amdgpu_kernel void @extload_align(i32 addrspace(5)* %out, i32 %index) #0 {
%v0 = alloca [4 x i16], addrspace(5)
%a1 = getelementptr inbounds [4 x i16], [4 x i16] addrspace(5)* %v0, i32 0, i32 0
%a2 = getelementptr inbounds [4 x i16], [4 x i16] addrspace(5)* %v0, i32 0, i32 1
store i16 0, i16 addrspace(5)* %a1
store i16 1, i16 addrspace(5)* %a2
store volatile i16 0, i16 addrspace(5)* %a1
store volatile i16 1, i16 addrspace(5)* %a2
%a = getelementptr inbounds [4 x i16], [4 x i16] addrspace(5)* %v0, i32 0, i32 %index
%val = load i16, i16 addrspace(5)* %a
%val = load volatile i16, i16 addrspace(5)* %a
%eval = sext i16 %val to i32
store i32 %eval, i32 addrspace(5)* %out
ret void

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@ -70,31 +70,20 @@ define amdgpu_kernel void @extract_vector_elt_v3f16(half addrspace(1)* %out, <3
ret void
}
; GCN-LABEL: {{^}}extract_vector_elt_v4f16:
; GCN: buffer_load_ushort
; GCN: buffer_load_ushort
; GCN: buffer_store_short
; GCN: buffer_store_short
define amdgpu_kernel void @extract_vector_elt_v4f16(half addrspace(1)* %out, <4 x half> %foo) #0 {
%p0 = extractelement <4 x half> %foo, i32 0
%p1 = extractelement <4 x half> %foo, i32 2
%out1 = getelementptr half, half addrspace(1)* %out, i32 10
store half %p1, half addrspace(1)* %out, align 2
store half %p0, half addrspace(1)* %out1, align 2
ret void
}
; GCN-LABEL: {{^}}dynamic_extract_vector_elt_v3f16:
; GCN: buffer_load_ushort
; GCN: buffer_load_ushort
; GCN: buffer_load_ushort
; SICIVI: buffer_load_ushort
; SICIVI: buffer_load_ushort
; SICIVI: buffer_load_ushort
; GCN: buffer_store_short
; GCN: buffer_store_short
; GCN: buffer_store_short
; GFX9-DAG: global_load_short_d16_hi v
; GFX9-DAG: global_load_short_d16 v
; GCN: buffer_load_ushort
; GCN: buffer_store_short
; GCN-DAG: s_lshl_b32 s{{[0-9]+}}, s{{[0-9]+}}, 4
; GFX89: v_lshrrev_b64 v{{\[[0-9]+:[0-9]+\]}}, s{{[0-9]+}}, v
; SI: v_lshr_b64 v{{\[[0-9]+:[0-9]+\]}}, v{{\[[0-9]+:[0-9]+\]}}, s{{[0-9]+}}
; GCN: {{buffer|global}}_store_short
define amdgpu_kernel void @dynamic_extract_vector_elt_v3f16(half addrspace(1)* %out, <3 x half> %foo, i32 %idx) #0 {
%p0 = extractelement <3 x half> %foo, i32 %idx
%out1 = getelementptr half, half addrspace(1)* %out, i32 1
@ -102,23 +91,45 @@ define amdgpu_kernel void @dynamic_extract_vector_elt_v3f16(half addrspace(1)* %
ret void
}
; GCN-LABEL: {{^}}dynamic_extract_vector_elt_v4f16:
; GCN: buffer_load_ushort
; GCN: buffer_load_ushort
; GCN: buffer_load_ushort
; GCN: buffer_load_ushort
; GCN-LABEL: {{^}}v_extractelement_v4f16_2:
; SI: buffer_load_dword [[LOAD:v[0-9]+]], v{{\[[0-9]+:[0-9]+\]}}, s{{\[[0-9]+:[0-9]+\]}}, 0 addr64 offset:4
; SI: buffer_store_short [[LOAD]]
; GCN: buffer_store_short
; GCN: buffer_store_short
; GCN: buffer_store_short
; GCN: buffer_store_short
; VI: flat_load_dword v
; VI: flat_store_short
; GCN: buffer_load_ushort
; GCN: buffer_store_short
define amdgpu_kernel void @dynamic_extract_vector_elt_v4f16(half addrspace(1)* %out, <4 x half> %foo, i32 %idx) #0 {
%p0 = extractelement <4 x half> %foo, i32 %idx
%out1 = getelementptr half, half addrspace(1)* %out, i32 1
store half %p0, half addrspace(1)* %out
; GFX9: global_load_dword [[LOAD:v[0-9]+]], v{{\[[0-9]+:[0-9]+\]}}, off offset:4
; GFX9: global_store_short_d16_hi v{{\[[0-9]+:[0-9]+\]}}, [[LOAD]]
define amdgpu_kernel void @v_extractelement_v4f16_2(half addrspace(1)* %out, <4 x half> addrspace(1)* %in) #0 {
%tid = call i32 @llvm.amdgcn.workitem.id.x() #1
%tid.ext = sext i32 %tid to i64
%in.gep = getelementptr inbounds <4 x half>, <4 x half> addrspace(1)* %in, i64 %tid.ext
%out.gep = getelementptr inbounds half, half addrspace(1)* %out, i64 %tid.ext
%vec = load <4 x half>, <4 x half> addrspace(1)* %in.gep
%vec.extract = extractelement <4 x half> %vec, i32 2
store half %vec.extract, half addrspace(1)* %out.gep
ret void
}
; GCN-LABEL: {{^}}v_insertelement_v4f16_dynamic_vgpr:
; GCN-DAG: {{flat|global|buffer}}_load_dword [[IDX:v[0-9]+]],
; GCN-DAG: {{flat|global|buffer}}_load_dwordx2 v{{\[}}[[LO:[0-9]+]]:[[HI:[0-9]+]]{{\]}}
; GCN-DAG: v_lshlrev_b32_e32 [[SCALED_IDX:v[0-9]+]], 4, [[IDX]]
; GFX89: v_lshrrev_b64 v{{\[}}[[SHIFT_LO:[0-9]+]]:[[SHIFT_HI:[0-9]+]]{{\]}}, [[SCALED_IDX]], v{{\[}}[[LO]]:[[HI]]{{\]}}
; GFX89: {{flat|global}}_store_short v{{\[[0-9]+:[0-9]+\]}}, v[[SHIFT_LO]]
; SI: v_lshr_b64 v{{\[}}[[SHIFT_LO:[0-9]+]]:[[SHIFT_HI:[0-9]+]]{{\]}}, v{{\[}}[[LO]]:[[HI]]{{\]}}, [[SCALED_IDX]]
; SI: buffer_store_short v[[SHIFT_LO]]
define amdgpu_kernel void @v_insertelement_v4f16_dynamic_vgpr(half addrspace(1)* %out, <4 x half> addrspace(1)* %in) #0 {
%tid = call i32 @llvm.amdgcn.workitem.id.x() #1
%tid.ext = sext i32 %tid to i64
%in.gep = getelementptr inbounds <4 x half>, <4 x half> addrspace(1)* %in, i64 %tid.ext
%out.gep = getelementptr inbounds half, half addrspace(1)* %out, i64 %tid.ext
%idx.val = load volatile i32, i32 addrspace(1)* undef
%vec = load <4 x half>, <4 x half> addrspace(1)* %in.gep
%vec.extract = extractelement <4 x half> %vec, i32 %idx.val
store half %vec.extract, half addrspace(1)* %out.gep
ret void
}

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@ -1,6 +1,6 @@
; RUN: llc -march=amdgcn -mtriple=amdgcn---amdgiz -verify-machineinstrs < %s | FileCheck -check-prefix=GCN -check-prefix=SI -check-prefix=SICIVI %s
; RUN: llc -march=amdgcn -mtriple=amdgcn---amdgiz -mcpu=tonga -mattr=-flat-for-global -verify-machineinstrs < %s | FileCheck -check-prefix=GCN -check-prefix=VI -check-prefix=SICIVI %s
; RUN: llc -march=amdgcn -mtriple=amdgcn---amdgiz -mcpu=gfx900 -mattr=-flat-for-global -verify-machineinstrs < %s | FileCheck -check-prefix=GCN -check-prefix=GFX9 %s
; RUN: llc -march=amdgcn -mtriple=amdgcn---amdgiz -verify-machineinstrs < %s | FileCheck -enable-var-scope -check-prefixes=GCN,SI,SICIVI %s
; RUN: llc -march=amdgcn -mtriple=amdgcn---amdgiz -mcpu=tonga -mattr=-flat-for-global -verify-machineinstrs < %s | FileCheck -enable-var-scope -check-prefixes=GCN,VI,SICIVI,GFX89 %s
; RUN: llc -march=amdgcn -mtriple=amdgcn---amdgiz -mcpu=gfx900 -mattr=-flat-for-global -verify-machineinstrs < %s | FileCheck -enable-var-scope -check-prefixes=GCN,GFX9,GFX89 %s
; GCN-LABEL: {{^}}extract_vector_elt_v2i16:
; GCN: s_load_dword [[VEC:s[0-9]+]]
@ -96,20 +96,15 @@ define amdgpu_kernel void @extract_vector_elt_v4i16(i16 addrspace(1)* %out, <4 x
; SICIVI: buffer_load_ushort
; SICIVI: buffer_load_ushort
; SICIVI: buffer_store_short
; SICIVI: buffer_store_short
; SICIVI: buffer_store_short
; GFX9-DAG: global_load_short_d16_hi v
; GFX9-DAG: global_load_short_d16 v
; SICIVI: buffer_load_ushort
; SICIVI: buffer_store_short
; GCN-DAG: s_lshl_b32 s{{[0-9]+}}, s{{[0-9]+}}, 4
; GFX89: v_lshrrev_b64 v{{\[[0-9]+:[0-9]+\]}}, s{{[0-9]+}}, v
; GFX9: buffer_load_ushort
; GFX9: global_load_short_d16_hi
; GFX9: global_load_short_d16 v
; GFX9: buffer_store_dword
; GFX9: buffer_store_dword
; GFX9: buffer_load_ushort
; GFX9: buffer_store_short
; SI: v_lshr_b64 v{{\[[0-9]+:[0-9]+\]}}, v{{\[[0-9]+:[0-9]+\]}}, s{{[0-9]+}}
; GCN: {{buffer|global}}_store_short
define amdgpu_kernel void @dynamic_extract_vector_elt_v3i16(i16 addrspace(1)* %out, <3 x i16> %foo, i32 %idx) #0 {
%p0 = extractelement <3 x i16> %foo, i32 %idx
%out1 = getelementptr i16, i16 addrspace(1)* %out, i32 1
@ -117,29 +112,15 @@ define amdgpu_kernel void @dynamic_extract_vector_elt_v3i16(i16 addrspace(1)* %o
ret void
}
; GCN-LABEL: {{^}}dynamic_extract_vector_elt_v4i16:
; SICIVI: buffer_load_ushort
; SICIVI: buffer_load_ushort
; SICIVI: buffer_load_ushort
; SICIVI: buffer_load_ushort
; SICIVI: buffer_store_short
; SICIVI: buffer_store_short
; SICIVI: buffer_store_short
; SICIVI: buffer_store_short
; SICIVI: buffer_load_ushort
; SICIVI: buffer_store_short
; GFX9: s_load_dword
; GFX9: buffer_store_dword
; GFX9: buffer_store_dword
; GFX9: buffer_load_ushort
; GFX9: buffer_store_short
define amdgpu_kernel void @dynamic_extract_vector_elt_v4i16(i16 addrspace(1)* %out, <4 x i16> %foo, i32 %idx) #0 {
%p0 = extractelement <4 x i16> %foo, i32 %idx
%out1 = getelementptr i16, i16 addrspace(1)* %out, i32 1
store i16 %p0, i16 addrspace(1)* %out
; GCN-LABEL: {{^}}v_insertelement_v4i16_dynamic_sgpr:
define amdgpu_kernel void @v_insertelement_v4i16_dynamic_sgpr(i16 addrspace(1)* %out, <4 x i16> addrspace(1)* %in, i32 %idx) #0 {
%tid = call i32 @llvm.amdgcn.workitem.id.x() #1
%tid.ext = sext i32 %tid to i64
%in.gep = getelementptr inbounds <4 x i16>, <4 x i16> addrspace(1)* %in, i64 %tid.ext
%out.gep = getelementptr inbounds i16, i16 addrspace(1)* %out, i64 %tid.ext
%vec = load <4 x i16>, <4 x i16> addrspace(1)* %in.gep
%vec.extract = extractelement <4 x i16> %vec, i32 %idx
store i16 %vec.extract, i16 addrspace(1)* %out.gep
ret void
}

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@ -201,33 +201,6 @@ define amdgpu_kernel void @dynamic_insertelement_v3i16(<3 x i16> addrspace(1)* %
ret void
}
; GCN-LABEL: {{^}}dynamic_insertelement_v4i16:
; GCN: buffer_load_ushort v{{[0-9]+}}, off
; GCN: buffer_load_ushort v{{[0-9]+}}, off
; GCN: buffer_load_ushort v{{[0-9]+}}, off
; GCN: buffer_load_ushort v{{[0-9]+}}, off
; GCN-DAG: v_mov_b32_e32 [[BASE_FI:v[0-9]+]], 8{{$}}
; GCN-DAG: s_and_b32 [[MASK_IDX:s[0-9]+]], s{{[0-9]+}}, 3{{$}}
; GCN-DAG: v_or_b32_e32 [[IDX:v[0-9]+]], [[MASK_IDX]], [[BASE_FI]]{{$}}
; GCN-DAG: buffer_store_short v{{[0-9]+}}, off, s{{\[[0-9]+:[0-9]+\]}}, s{{[0-9]+}} offset:14
; GCN-DAG: buffer_store_short v{{[0-9]+}}, off, s{{\[[0-9]+:[0-9]+\]}}, s{{[0-9]+}} offset:12
; GCN-DAG: buffer_store_short v{{[0-9]+}}, off, s{{\[[0-9]+:[0-9]+\]}}, s{{[0-9]+}} offset:10
; GCN-DAG: buffer_store_short v{{[0-9]+}}, off, s{{\[[0-9]+:[0-9]+\]}}, s{{[0-9]+}} offset:8
; GCN: buffer_store_short v{{[0-9]+}}, [[IDX]], s{{\[[0-9]+:[0-9]+\]}}, s{{[0-9]+}} offen{{$}}
; GCN-NO-TONGA: s_waitcnt expcnt
; GCN: buffer_load_dwordx2
; GCN: buffer_store_dwordx2 v{{\[[0-9]+:[0-9]+\]}}, off
define amdgpu_kernel void @dynamic_insertelement_v4i16(<4 x i16> addrspace(1)* %out, <4 x i16> %a, i32 %b) nounwind {
%vecins = insertelement <4 x i16> %a, i16 5, i32 %b
store <4 x i16> %vecins, <4 x i16> addrspace(1)* %out, align 8
ret void
}
; GCN-LABEL: {{^}}dynamic_insertelement_v2i8:
; GCN: buffer_load_ubyte v{{[0-9]+}}, off
; GCN: buffer_load_ubyte v{{[0-9]+}}, off

View File

@ -1,6 +1,6 @@
; RUN: llc -verify-machineinstrs -march=amdgcn -mtriple=amdgcn---amdgiz -mcpu=gfx900 -enable-amdgpu-aa=0 -mattr=+flat-for-global,-fp64-fp16-denormals < %s | FileCheck -check-prefix=GCN -check-prefix=GFX9 -check-prefix=GFX89 %s
; RUN: llc -verify-machineinstrs -march=amdgcn -mtriple=amdgcn---amdgiz -mcpu=fiji -enable-amdgpu-aa=0 -mattr=+flat-for-global < %s | FileCheck -check-prefix=GCN -check-prefix=CIVI -check-prefix=VI -check-prefix=GFX89 %s
; RUN: llc -verify-machineinstrs -march=amdgcn -mtriple=amdgcn---amdgiz -mcpu=hawaii -enable-amdgpu-aa=0 -mattr=+flat-for-global < %s | FileCheck -check-prefix=GCN -check-prefix=CIVI -check-prefix=CI %s
; RUN: llc -verify-machineinstrs -march=amdgcn -mtriple=amdgcn---amdgiz -mcpu=gfx900 -enable-amdgpu-aa=0 -mattr=+flat-for-global,-fp64-fp16-denormals < %s | FileCheck -enable-var-scope -check-prefix=GCN -check-prefix=GFX9 -check-prefix=GFX89 %s
; RUN: llc -verify-machineinstrs -march=amdgcn -mtriple=amdgcn---amdgiz -mcpu=fiji -enable-amdgpu-aa=0 -mattr=+flat-for-global < %s | FileCheck -enable-var-scope -check-prefix=GCN -check-prefix=CIVI -check-prefix=VI -check-prefix=GFX89 %s
; RUN: llc -verify-machineinstrs -march=amdgcn -mtriple=amdgcn---amdgiz -mcpu=hawaii -enable-amdgpu-aa=0 -mattr=+flat-for-global < %s | FileCheck -enable-var-scope -check-prefix=GCN -check-prefix=CIVI -check-prefix=CI %s
; GCN-LABEL: {{^}}s_insertelement_v2i16_0:
; GCN: s_load_dword [[VEC:s[0-9]+]]
@ -484,6 +484,187 @@ define amdgpu_kernel void @v_insertelement_v2f16_dynamic_vgpr(<2 x half> addrspa
ret void
}
; GCN-LABEL: {{^}}v_insertelement_v4f16_0:
; GCN-DAG: s_load_dword [[VAL:s[0-9]+]]
; GCN-DAG: {{flat|global}}_load_dwordx2 v{{\[}}[[LO:[0-9]+]]:[[HI:[0-9]+]]{{\]}}
; GFX9-DAG: v_mov_b32_e32 [[BFI_MASK:v[0-9]+]], 0xffff{{$}}
; GFX9: v_bfi_b32 v[[INS_LO:[0-9]+]], [[BFI_MASK]], [[VAL]], v[[LO]]
; CIVI: v_and_b32_e32 [[AND:v[0-9]+]], 0xffff0000, v[[LO]]
; CIVI: v_or_b32_e32 v[[INS_LO:[0-9]+]], [[VAL]], [[AND]]
; GCN: {{flat|global}}_store_dwordx2 v{{\[[0-9]+:[0-9]+\]}}, v{{\[}}[[INS_LO]]:[[HI]]{{\]}}
define amdgpu_kernel void @v_insertelement_v4f16_0(<4 x half> addrspace(1)* %out, <4 x half> addrspace(1)* %in, i32 %val) #0 {
%tid = call i32 @llvm.amdgcn.workitem.id.x() #1
%tid.ext = sext i32 %tid to i64
%in.gep = getelementptr inbounds <4 x half>, <4 x half> addrspace(1)* %in, i64 %tid.ext
%out.gep = getelementptr inbounds <4 x half>, <4 x half> addrspace(1)* %out, i64 %tid.ext
%vec = load <4 x half>, <4 x half> addrspace(1)* %in.gep
%val.trunc = trunc i32 %val to i16
%val.cvt = bitcast i16 %val.trunc to half
%vecins = insertelement <4 x half> %vec, half %val.cvt, i32 0
store <4 x half> %vecins, <4 x half> addrspace(1)* %out.gep
ret void
}
; GCN-LABEL: {{^}}v_insertelement_v4f16_1:
; GCN-DAG: s_load_dword [[VAL:s[0-9]+]]
; GCN-DAG: {{flat|global}}_load_dwordx2 v{{\[}}[[LO:[0-9]+]]:[[HI:[0-9]+]]{{\]}}
; GFX9: v_and_b32_e32 [[AND:v[0-9]+]], 0xffff, v[[LO]]
; GFX9: v_lshl_or_b32 v[[INS_HALF:[0-9]+]], [[VAL]], 16, [[AND]]
; VI: s_lshl_b32 [[VAL]], [[VAL]], 16
; VI-DAG: v_mov_b32_e32 [[COPY_VAL:v[0-9]+]], [[VAL]]
; VI: v_or_b32_sdwa v[[INS_HALF:[0-9]+]], v[[LO]], [[COPY_VAL]] dst_sel:DWORD dst_unused:UNUSED_PAD src0_sel:WORD_0 src1_sel:DWORD
; CI: v_and_b32_e32 [[AND:v[0-9]+]], 0xffff, v[[LO]]
; CI: v_or_b32_e32 v[[INS_HALF:[0-9]+]], [[VAL]], [[AND]]
; GCN: {{flat|global}}_store_dwordx2 v{{\[[0-9]+:[0-9]+\]}}, v{{\[}}[[INS_HALF]]:[[HI]]{{\]}}
define amdgpu_kernel void @v_insertelement_v4f16_1(<4 x half> addrspace(1)* %out, <4 x half> addrspace(1)* %in, i32 %val) #0 {
%tid = call i32 @llvm.amdgcn.workitem.id.x() #1
%tid.ext = sext i32 %tid to i64
%in.gep = getelementptr inbounds <4 x half>, <4 x half> addrspace(1)* %in, i64 %tid.ext
%out.gep = getelementptr inbounds <4 x half>, <4 x half> addrspace(1)* %out, i64 %tid.ext
%vec = load <4 x half>, <4 x half> addrspace(1)* %in.gep
%val.trunc = trunc i32 %val to i16
%val.cvt = bitcast i16 %val.trunc to half
%vecins = insertelement <4 x half> %vec, half %val.cvt, i32 1
store <4 x half> %vecins, <4 x half> addrspace(1)* %out.gep
ret void
}
; GCN-LABEL: {{^}}v_insertelement_v4f16_2:
; GCN-DAG: s_load_dword [[VAL:s[0-9]+]]
; GCN-DAG: {{flat|global}}_load_dwordx2 v{{\[}}[[LO:[0-9]+]]:[[HI:[0-9]+]]{{\]}}
; GFX9-DAG: v_mov_b32_e32 [[BFI_MASK:v[0-9]+]], 0xffff{{$}}
; GFX9: v_bfi_b32 v[[INS_HI:[0-9]+]], [[BFI_MASK]], [[VAL]], v[[HI]]
; CIVI: v_and_b32_e32 [[AND:v[0-9]+]], 0xffff0000, v[[HI]]
; CIVI: v_or_b32_e32 v[[INS_HI:[0-9]+]], [[VAL]], [[AND]]
; GCN: {{flat|global}}_store_dwordx2 v{{\[[0-9]+:[0-9]+\]}}, v{{\[}}[[LO]]:[[INS_HI]]{{\]}}
define amdgpu_kernel void @v_insertelement_v4f16_2(<4 x half> addrspace(1)* %out, <4 x half> addrspace(1)* %in, i32 %val) #0 {
%tid = call i32 @llvm.amdgcn.workitem.id.x() #1
%tid.ext = sext i32 %tid to i64
%in.gep = getelementptr inbounds <4 x half>, <4 x half> addrspace(1)* %in, i64 %tid.ext
%out.gep = getelementptr inbounds <4 x half>, <4 x half> addrspace(1)* %out, i64 %tid.ext
%vec = load <4 x half>, <4 x half> addrspace(1)* %in.gep
%val.trunc = trunc i32 %val to i16
%val.cvt = bitcast i16 %val.trunc to half
%vecins = insertelement <4 x half> %vec, half %val.cvt, i32 2
store <4 x half> %vecins, <4 x half> addrspace(1)* %out.gep
ret void
}
; GCN-LABEL: {{^}}v_insertelement_v4f16_3:
; GCN-DAG: s_load_dword [[VAL:s[0-9]+]]
; GCN-DAG: {{flat|global}}_load_dwordx2 v{{\[}}[[LO:[0-9]+]]:[[HI:[0-9]+]]{{\]}}
; GFX9: v_and_b32_e32 [[AND:v[0-9]+]], 0xffff, v[[HI]]
; GFX9: v_lshl_or_b32 v[[INS_HI:[0-9]+]], [[VAL]], 16, [[AND]]
; VI: s_lshl_b32 [[VAL]], [[VAL]], 16
; VI-DAG: v_mov_b32_e32 [[COPY_VAL:v[0-9]+]], [[VAL]]
; VI: v_or_b32_sdwa v[[INS_HI:[0-9]+]], v[[HI]], [[COPY_VAL]] dst_sel:DWORD dst_unused:UNUSED_PAD src0_sel:WORD_0 src1_sel:DWORD
; CI: v_and_b32_e32 [[AND:v[0-9]+]], 0xffff, v[[HI]]
; CI: v_or_b32_e32 v[[INS_HI:[0-9]+]], [[VAL]], [[AND]]
; GCN: {{flat|global}}_store_dwordx2 v{{\[[0-9]+:[0-9]+\]}}, v{{\[}}[[LO]]:[[INS_HI]]{{\]}}
define amdgpu_kernel void @v_insertelement_v4f16_3(<4 x half> addrspace(1)* %out, <4 x half> addrspace(1)* %in, i32 %val) #0 {
%tid = call i32 @llvm.amdgcn.workitem.id.x() #1
%tid.ext = sext i32 %tid to i64
%in.gep = getelementptr inbounds <4 x half>, <4 x half> addrspace(1)* %in, i64 %tid.ext
%out.gep = getelementptr inbounds <4 x half>, <4 x half> addrspace(1)* %out, i64 %tid.ext
%vec = load <4 x half>, <4 x half> addrspace(1)* %in.gep
%val.trunc = trunc i32 %val to i16
%val.cvt = bitcast i16 %val.trunc to half
%vecins = insertelement <4 x half> %vec, half %val.cvt, i32 3
store <4 x half> %vecins, <4 x half> addrspace(1)* %out.gep
ret void
}
; GCN-LABEL: {{^}}v_insertelement_v4i16_2:
; GCN-DAG: s_load_dword [[VAL:s[0-9]+]]
; GCN-DAG: {{flat|global}}_load_dwordx2 v{{\[}}[[LO:[0-9]+]]:[[HI:[0-9]+]]{{\]}}
; GFX9-DAG: v_mov_b32_e32 [[BFI_MASK:v[0-9]+]], 0xffff{{$}}
; GFX9: v_bfi_b32 v[[INS_HI:[0-9]+]], [[BFI_MASK]], [[VAL]], v[[HI]]
; CIVI: v_and_b32_e32 [[AND:v[0-9]+]], 0xffff0000, v[[HI]]
; CIVI: v_or_b32_e32 v[[INS_HI:[0-9]+]], [[VAL]], [[AND]]
; GCN: {{flat|global}}_store_dwordx2 v{{\[[0-9]+:[0-9]+\]}}, v{{\[}}[[LO]]:[[INS_HI]]{{\]}}
define amdgpu_kernel void @v_insertelement_v4i16_2(<4 x i16> addrspace(1)* %out, <4 x i16> addrspace(1)* %in, i32 %val) #0 {
%tid = call i32 @llvm.amdgcn.workitem.id.x() #1
%tid.ext = sext i32 %tid to i64
%in.gep = getelementptr inbounds <4 x i16>, <4 x i16> addrspace(1)* %in, i64 %tid.ext
%out.gep = getelementptr inbounds <4 x i16>, <4 x i16> addrspace(1)* %out, i64 %tid.ext
%vec = load <4 x i16>, <4 x i16> addrspace(1)* %in.gep
%val.trunc = trunc i32 %val to i16
%val.cvt = bitcast i16 %val.trunc to i16
%vecins = insertelement <4 x i16> %vec, i16 %val.cvt, i32 2
store <4 x i16> %vecins, <4 x i16> addrspace(1)* %out.gep
ret void
}
; FIXME: Better code on CI?
; GCN-LABEL: {{^}}v_insertelement_v4i16_dynamic_vgpr:
; GCN-DAG: {{flat|global}}_load_dword [[IDX:v[0-9]+]],
; GCN-DAG: s_load_dword [[VAL:s[0-9]+]]
; GCN-DAG: {{flat|global}}_load_dwordx2 v{{\[}}[[LO:[0-9]+]]:[[HI:[0-9]+]]{{\]}}
; GCN-DAG: v_lshlrev_b32_e32 [[SCALED_IDX:v[0-9]+]], 4, [[IDX]]
; GCN-DAG: s_mov_b32 s[[MASK_HI:[0-9]+]], 0
; GCN-DAG: s_mov_b32 s[[MASK_LO:[0-9]+]], 0xffff{{$}}
; GFX89: v_lshlrev_b64 v{{\[}}[[SHIFT_LO:[0-9]+]]:[[SHIFT_HI:[0-9]+]]{{\]}}, [[SCALED_IDX]], s{{\[}}[[MASK_LO]]:[[MASK_HI]]{{\]}}
; GFX89-DAG: v_not_b32_e32 v[[NOT_SHIFT_LO:[0-9+]]], v[[SHIFT_LO]]
; GFX89-DAG: v_not_b32_e32 v[[NOT_SHIFT_HI:[0-9+]]], v[[SHIFT_HI]]
; GFX89-DAG: v_and_b32_e32 v[[MASK:[0-9]+]], [[VAL]], v[[SHIFT_LO]]
; GFX89-DAG: v_and_b32_e32 v[[AND0:[0-9]+]], v[[NOT_SHIFT_LO]], v[[LO]]
; GFX89-DAG: v_and_b32_e32 v[[AND1:[0-9]+]], v[[NOT_SHIFT_HI]], v[[HI]]
; GFX89: v_or_b32_sdwa v[[OR_SDWA:[0-9]+]], v[[MASK]], v[[AND0]] dst_sel:DWORD dst_unused:UNUSED_PAD src0_sel:WORD_0 src1_sel:DWORD
; CI: v_lshl_b64 v{{\[}}[[SHIFT_LO:[0-9]+]]:[[SHIFT_HI:[0-9]+]]{{\]}}, s{{\[}}[[MASK_LO]]:[[MASK_HI]]{{\]}}, [[SCALED_IDX]]
; CI-DAG: v_bfi_b32 v[[OR_SDWA:[0-9]+]], v[[SHIFT_LO]],
; CI-DAG: v_bfi_b32 v[[AND1:[0-9]+]], v[[SHIFT_HI]], 0,
; GCN: {{flat|global}}_store_dwordx2 v{{\[[0-9]+:[0-9]+\]}}, v{{\[}}[[OR_SDWA]]:[[AND1]]{{\]}}
define amdgpu_kernel void @v_insertelement_v4i16_dynamic_vgpr(<4 x i16> addrspace(1)* %out, <4 x i16> addrspace(1)* %in, i32 %val) #0 {
%tid = call i32 @llvm.amdgcn.workitem.id.x() #1
%tid.ext = sext i32 %tid to i64
%in.gep = getelementptr inbounds <4 x i16>, <4 x i16> addrspace(1)* %in, i64 %tid.ext
%out.gep = getelementptr inbounds <4 x i16>, <4 x i16> addrspace(1)* %out, i64 %tid.ext
%idx.val = load volatile i32, i32 addrspace(1)* undef
%vec = load <4 x i16>, <4 x i16> addrspace(1)* %in.gep
%val.trunc = trunc i32 %val to i16
%val.cvt = bitcast i16 %val.trunc to i16
%vecins = insertelement <4 x i16> %vec, i16 %val.cvt, i32 %idx.val
store <4 x i16> %vecins, <4 x i16> addrspace(1)* %out.gep
ret void
}
; GCN-LABEL: {{^}}v_insertelement_v4f16_dynamic_sgpr:
define amdgpu_kernel void @v_insertelement_v4f16_dynamic_sgpr(<4 x half> addrspace(1)* %out, <4 x half> addrspace(1)* %in, i32 %val, i32 %idxval) #0 {
%tid = call i32 @llvm.amdgcn.workitem.id.x() #1
%tid.ext = sext i32 %tid to i64
%in.gep = getelementptr inbounds <4 x half>, <4 x half> addrspace(1)* %in, i64 %tid.ext
%out.gep = getelementptr inbounds <4 x half>, <4 x half> addrspace(1)* %out, i64 %tid.ext
%vec = load <4 x half>, <4 x half> addrspace(1)* %in.gep
%val.trunc = trunc i32 %val to i16
%val.cvt = bitcast i16 %val.trunc to half
%vecins = insertelement <4 x half> %vec, half %val.cvt, i32 %idxval
store <4 x half> %vecins, <4 x half> addrspace(1)* %out.gep
ret void
}
declare i32 @llvm.amdgcn.workitem.id.x() #1
attributes #0 = { nounwind }

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@ -289,9 +289,9 @@ define amdgpu_kernel void @v_test_umin_ule_v3i32(<3 x i32> addrspace(1)* %out, <
; SI-NOT: v_min_u32_e32
; VI: v_min_u16_e32
; VI: v_min_u16_sdwa
; VI: v_min_u16_sdwa v{{[0-9]+}}, v{{[0-9]+}}, v{{[0-9]+}} dst_sel:WORD_1 dst_unused:UNUSED_PAD src0_sel:WORD_1 src1_sel:WORD_1
; VI: v_min_u16_e32
; VI-NOT: v_min_u16_e32
; VI-NOT: v_min_u16
; GFX9: v_pk_min_u16
; GFX9: v_pk_min_u16