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//===-- AMDGPUGIsel.td - AMDGPU GlobalISel Patterns---------*- tablegen -*-===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
// This files contains patterns that should only be used by GlobalISel. For
// example patterns for V_* instructions that have S_* equivalents.
// SelectionDAG does not support selecting V_* instructions.
//===----------------------------------------------------------------------===//
include "AMDGPU.td"
def p0 : PtrValueType<i64, 0>;
def p1 : PtrValueType<i64, 1>;
def p4 : PtrValueType<i64, 4>;
def sd_vsrc0 : ComplexPattern<i32, 1, "">;
def gi_vsrc0 :
GIComplexOperandMatcher<s32, "selectVSRC0">,
GIComplexPatternEquiv<sd_vsrc0>;
def sd_vcsrc : ComplexPattern<i32, 1, "">;
def gi_vcsrc :
GIComplexOperandMatcher<s32, "selectVCSRC">,
GIComplexPatternEquiv<sd_vcsrc>;
def gi_vop3mods0 :
GIComplexOperandMatcher<s32, "selectVOP3Mods0">,
GIComplexPatternEquiv<VOP3Mods0>;
def gi_vop3mods :
GIComplexOperandMatcher<s32, "selectVOP3Mods">,
GIComplexPatternEquiv<VOP3Mods>;
def gi_vop3omods :
GIComplexOperandMatcher<s32, "selectVOP3OMods">,
GIComplexPatternEquiv<VOP3OMods>;
def gi_smrd_imm :
GIComplexOperandMatcher<s64, "selectSmrdImm">,
GIComplexPatternEquiv<SMRDImm>;
def gi_smrd_imm32 :
GIComplexOperandMatcher<s64, "selectSmrdImm32">,
GIComplexPatternEquiv<SMRDImm32>;
def gi_smrd_sgpr :
GIComplexOperandMatcher<s64, "selectSmrdSgpr">,
GIComplexPatternEquiv<SMRDSgpr>;
def gi_flat_offset :
GIComplexOperandMatcher<s64, "selectFlatOffset">,
GIComplexPatternEquiv<FLATOffset>;
def gi_flat_offset_signed :
GIComplexOperandMatcher<s64, "selectFlatOffsetSigned">,
GIComplexPatternEquiv<FLATOffsetSigned>;
def gi_mubuf_scratch_offset :
GIComplexOperandMatcher<s32, "selectMUBUFScratchOffset">,
GIComplexPatternEquiv<MUBUFScratchOffset>;
def gi_mubuf_scratch_offen :
GIComplexOperandMatcher<s32, "selectMUBUFScratchOffen">,
GIComplexPatternEquiv<MUBUFScratchOffen>;
class GISelSop2Pat <
SDPatternOperator node,
Instruction inst,
ValueType dst_vt,
ValueType src0_vt = dst_vt, ValueType src1_vt = src0_vt> : GCNPat <
(dst_vt (node (src0_vt SReg_32:$src0), (src1_vt SReg_32:$src1))),
(inst src0_vt:$src0, src1_vt:$src1)
>;
class GISelVop2Pat <
SDPatternOperator node,
Instruction inst,
ValueType dst_vt,
ValueType src0_vt = dst_vt, ValueType src1_vt = src0_vt> : GCNPat <
(dst_vt (node (src0_vt (sd_vsrc0 src0_vt:$src0)), (src1_vt VGPR_32:$src1))),
(inst src0_vt:$src0, src1_vt:$src1)
>;
class GISelVop2CommutePat <
SDPatternOperator node,
Instruction inst,
ValueType dst_vt,
ValueType src0_vt = dst_vt, ValueType src1_vt = src0_vt> : GCNPat <
(dst_vt (node (src1_vt VGPR_32:$src1), (src0_vt (sd_vsrc0 src0_vt:$src0)))),
(inst src0_vt:$src0, src1_vt:$src1)
>;
class GISelVop3Pat2 <
SDPatternOperator node,
Instruction inst,
ValueType dst_vt,
ValueType src0_vt = dst_vt, ValueType src1_vt = src0_vt> : GCNPat <
(dst_vt (node (src0_vt (sd_vcsrc src0_vt:$src0)), (src1_vt (sd_vcsrc src1_vt:$src1)))),
(inst src0_vt:$src0, src1_vt:$src1)
>;
class GISelVop3Pat2CommutePat <
SDPatternOperator node,
Instruction inst,
ValueType dst_vt,
ValueType src0_vt = dst_vt, ValueType src1_vt = src0_vt> : GCNPat <
(dst_vt (node (src0_vt (sd_vcsrc src0_vt:$src0)), (src1_vt (sd_vcsrc src1_vt:$src1)))),
(inst src0_vt:$src1, src1_vt:$src0)
>;
class GISelVop3Pat2ModsPat <
SDPatternOperator node,
Instruction inst,
ValueType dst_vt,
ValueType src0_vt = dst_vt, ValueType src1_vt = src0_vt> : GCNPat <
(dst_vt (node (src0_vt (VOP3Mods0 src0_vt:$src0, i32:$src0_modifiers, i1:$clamp, i32:$omods)),
(src1_vt (VOP3Mods src1_vt:$src1, i32:$src1_modifiers)))),
(inst i32:$src0_modifiers, src0_vt:$src0,
i32:$src1_modifiers, src1_vt:$src1, $clamp, $omods)
>;
multiclass GISelVop2IntrPat <
SDPatternOperator node, Instruction inst,
ValueType dst_vt, ValueType src_vt = dst_vt> {
def : GISelVop2Pat <node, inst, dst_vt, src_vt>;
// FIXME: Intrinsics aren't marked as commutable, so we need to add an explcit
// pattern to handle commuting. This is another reason why legalizing to a
// generic machine instruction may be better that matching the intrinsic
// directly.
def : GISelVop2CommutePat <node, inst, dst_vt, src_vt>;
}
def : GISelSop2Pat <or, S_OR_B32, i32>;
def : GISelVop2Pat <or, V_OR_B32_e32, i32>;
// FIXME: We can't re-use SelectionDAG patterns here because they match
// against a custom SDNode and we would need to create a generic machine
// instruction that is equivalent to the custom SDNode. This would also require
// us to custom legalize the intrinsic to the new generic machine instruction,
// but I can't get custom legalizing of intrinsic to work and I'm not sure if
// this is even supported yet.
def : GISelVop3Pat2ModsPat <
int_amdgcn_cvt_pkrtz, V_CVT_PKRTZ_F16_F32_e64, v2f16, f32>;
defm : GISelVop2IntrPat <int_maxnum, V_MAX_F32_e32, f32>;
def : GISelVop3Pat2ModsPat <int_maxnum, V_MAX_F64, f64>;
defm : GISelVop2IntrPat <int_minnum, V_MIN_F32_e32, f32>;
def : GISelVop3Pat2ModsPat <int_minnum, V_MIN_F64, f64>;
// Since GlobalISel is more flexible then SelectionDAG, I think we can get
// away with adding patterns for integer types and not legalizing all
// loads and stores to vector types. This should help simplify the load/store
// legalization.
foreach Ty = [i64, p0, p1, p4] in {
defm : SMRD_Pattern <"S_LOAD_DWORDX2", Ty>;
}
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