256 lines
14 KiB
TableGen
256 lines
14 KiB
TableGen
// RUN: llvm-tblgen -I %p/../../../include -gen-global-isel-combiner \
|
|
// RUN: -combiners=MyCombiner %s | \
|
|
// RUN: FileCheck %s
|
|
|
|
include "llvm/Target/Target.td"
|
|
include "llvm/Target/GlobalISel/Combine.td"
|
|
|
|
def MyTargetISA : InstrInfo;
|
|
def MyTarget : Target { let InstructionSet = MyTargetISA; }
|
|
|
|
def dummy;
|
|
|
|
def HasAnswerToEverything : Predicate<"Subtarget->getAnswerToUniverse() == 42 && Subtarget->getAnswerToLife() == 42">;
|
|
|
|
def WipOpcodeTest0 : GICombineRule<
|
|
(defs root:$d),
|
|
(match (wip_match_opcode G_TRUNC):$d),
|
|
(apply [{ APPLY }])>;
|
|
|
|
def WipOpcodeTest1 : GICombineRule<
|
|
(defs root:$d),
|
|
(match (wip_match_opcode G_TRUNC, G_SEXT):$d),
|
|
(apply [{ APPLY }])>;
|
|
|
|
// Note: also checks that spaces in the type name are removed.
|
|
def reg_matchinfo : GIDefMatchData<"Register ">;
|
|
def InstTest0 : GICombineRule<
|
|
(defs root:$d, reg_matchinfo:$r0, reg_matchinfo:$r1),
|
|
(match (COPY $a, $b):$d),
|
|
(apply [{ APPLY ${r0}, ${r1} }])>;
|
|
|
|
let Predicates = [HasAnswerToEverything] in
|
|
def InstTest1 : GICombineRule<
|
|
(defs root:$d, reg_matchinfo:$r0),
|
|
(match (COPY $a, $b):$d,
|
|
(G_ZEXT $b, $c),
|
|
[{ return CHECK ${a}, ${b}, ${c}, ${d} }]),
|
|
(apply [{ APPLY }])>;
|
|
|
|
def InOutInstTest0 : GICombineRule<
|
|
(defs root:$root),
|
|
(match (G_ZEXT $tmp, $ext),
|
|
(G_STORE $tmp, $ptr):$root),
|
|
(apply (G_STORE $ext, $ptr):$root, "APPLY ${ext} ${ptr} ${root}")>;
|
|
|
|
// Imm operand of G_CONSTANT should match a literal int, while the second
|
|
// should match a constant.
|
|
def InOutInstTest1 : GICombineRule<
|
|
(defs root:$dst),
|
|
(match
|
|
(G_CONSTANT $x, -42:$z),
|
|
(G_AND $dst, $x, (i32 43))),
|
|
(apply (G_TRUNC $dst, $z))>;
|
|
|
|
def MatchICst: GICombinePatFrag<
|
|
(outs),
|
|
(ins gi_mo:$foo, gi_imm:$cst),
|
|
[(pattern "return matchIConstant(${foo}, ${cst});")]>;
|
|
|
|
def PatFragTest0 : GICombineRule<
|
|
(defs root:$dst),
|
|
(match (G_ZEXT $dst, $cst), (MatchICst $cst, (i32 0))),
|
|
(apply (COPY $dst, (i32 0)))>;
|
|
|
|
// TODO: add test with temp reg use
|
|
|
|
def MyCombiner: GICombiner<"GenMyCombiner", [
|
|
WipOpcodeTest0,
|
|
WipOpcodeTest1,
|
|
InstTest0,
|
|
InstTest1,
|
|
InOutInstTest0,
|
|
InOutInstTest1,
|
|
PatFragTest0
|
|
]>;
|
|
|
|
// We have at most 2 registers used by one rule at a time, so we should only have 2 registers MDInfos.
|
|
|
|
// CHECK: struct MatchInfosTy {
|
|
// CHECK-NEXT: Register MDInfo0, MDInfo1;
|
|
// CHECK-NEXT: };
|
|
|
|
// Check predicates
|
|
// CHECK: switch (PredicateID) {
|
|
// CHECK-NEXT: case GICXXPred_MI_Predicate_GICombiner0: {
|
|
// CHECK-NEXT: return CHECK State.MIs[0]->getOperand(0), State.MIs[0]->getOperand(1), State.MIs[1]->getOperand(1), State.MIs[0]
|
|
// CHECK-NEXT: }
|
|
// CHECK-NEXT: case GICXXPred_MI_Predicate_GICombiner1: {
|
|
// CHECK-NEXT: return matchIConstant(State.MIs[0]->getOperand(1), 0);
|
|
// CHECK-NEXT: }
|
|
|
|
// Verify we reset MatchData on each tryCombineAll
|
|
// CHECK: bool GenMyCombiner::tryCombineAll(MachineInstr &I) const {
|
|
// CHECK-NEXT: const TargetSubtargetInfo &ST = MF.getSubtarget();
|
|
// CHECK-NEXT: const PredicateBitset AvailableFeatures = getAvailableFeatures();
|
|
// CHECK-NEXT: B.setInstrAndDebugLoc(I);
|
|
// CHECK-NEXT: State.MIs.clear();
|
|
// CHECK-NEXT: State.MIs.push_back(&I);
|
|
// CHECK-NEXT: MatchInfos = MatchInfosTy();
|
|
// CHECK-EMPTY:
|
|
// CHECK-NEXT: if (executeMatchTable(*this, State, ExecInfo, B, getMatchTable(), *ST.getInstrInfo(), MRI, *MRI.getTargetRegisterInfo(), *ST.getRegBankInfo(), AvailableFeatures, /*CoverageInfo*/ nullptr))
|
|
// CHECK-NEXT: return true;
|
|
// CHECK-NEXT: }
|
|
// CHECK-EMPTY:
|
|
// CHECK-NEXT: return false;
|
|
// CHECK-NEXT: }
|
|
|
|
// Check apply
|
|
// CHECK: enum {
|
|
// CHECK-NEXT: GICXXCustomAction_CombineApplyGICombiner0 = GICXXCustomAction_Invalid + 1,
|
|
// CHECK-NEXT: GICXXCustomAction_CombineApplyGICombiner1,
|
|
// CHECK-NEXT: GICXXCustomAction_CombineApplyGICombiner2,
|
|
// CHECK-NEXT: };
|
|
// CHECK-NEXT: void GenMyCombiner::runCustomAction(unsigned ApplyID, const MatcherState &State, NewMIVector &OutMIs) const {
|
|
// CHECK-NEXT: switch(ApplyID) {
|
|
// CHECK-NEXT: case GICXXCustomAction_CombineApplyGICombiner0:{
|
|
// CHECK-NEXT: APPLY
|
|
// CHECK-NEXT: return;
|
|
// CHECK-NEXT: }
|
|
// CHECK-NEXT: case GICXXCustomAction_CombineApplyGICombiner1:{
|
|
// CHECK-NEXT: APPLY MatchInfos.MDInfo0, MatchInfos.MDInfo1
|
|
// CHECK-NEXT: return;
|
|
// CHECK-NEXT: }
|
|
// CHECK-NEXT: case GICXXCustomAction_CombineApplyGICombiner2:{
|
|
// CHECK-NEXT: APPLY State.MIs[1]->getOperand(1) State.MIs[0]->getOperand(1) OutMIs[0]
|
|
// CHECK-NEXT: return;
|
|
// CHECK-NEXT: }
|
|
// CHECK-NEXT: }
|
|
// CHECK-NEXT: llvm_unreachable("Unknown Apply Action");
|
|
// CHECK-NEXT: }
|
|
|
|
// Verify match table.
|
|
// CHECK: const uint8_t *GenMyCombiner::getMatchTable() const {
|
|
// CHECK-NEXT: constexpr static uint8_t MatchTable0[] = {
|
|
// CHECK-NEXT: GIM_SwitchOpcode, /*MI*/0, /*[*/GIMT_Encode2(19), GIMT_Encode2(127), /*)*//*default:*//*Label 6*/ GIMT_Encode4(657),
|
|
// CHECK-NEXT: /*TargetOpcode::COPY*//*Label 0*/ GIMT_Encode4(442), GIMT_Encode4(0), GIMT_Encode4(0), GIMT_Encode4(0), GIMT_Encode4(0), GIMT_Encode4(0), GIMT_Encode4(0), GIMT_Encode4(0), GIMT_Encode4(0), GIMT_Encode4(0), GIMT_Encode4(0), GIMT_Encode4(0), GIMT_Encode4(0), GIMT_Encode4(0), GIMT_Encode4(0), GIMT_Encode4(0), GIMT_Encode4(0), GIMT_Encode4(0), GIMT_Encode4(0), GIMT_Encode4(0), GIMT_Encode4(0), GIMT_Encode4(0), GIMT_Encode4(0), GIMT_Encode4(0), GIMT_Encode4(0), GIMT_Encode4(0), GIMT_Encode4(0), GIMT_Encode4(0), GIMT_Encode4(0), GIMT_Encode4(0), GIMT_Encode4(0), GIMT_Encode4(0), GIMT_Encode4(0), GIMT_Encode4(0), GIMT_Encode4(0), GIMT_Encode4(0), GIMT_Encode4(0),
|
|
// CHECK-NEXT: /*TargetOpcode::G_AND*//*Label 1*/ GIMT_Encode4(484), GIMT_Encode4(0), GIMT_Encode4(0), GIMT_Encode4(0), GIMT_Encode4(0), GIMT_Encode4(0), GIMT_Encode4(0), GIMT_Encode4(0), GIMT_Encode4(0), GIMT_Encode4(0), GIMT_Encode4(0), GIMT_Encode4(0), GIMT_Encode4(0), GIMT_Encode4(0), GIMT_Encode4(0), GIMT_Encode4(0), GIMT_Encode4(0), GIMT_Encode4(0), GIMT_Encode4(0), GIMT_Encode4(0), GIMT_Encode4(0), GIMT_Encode4(0), GIMT_Encode4(0), GIMT_Encode4(0), GIMT_Encode4(0), GIMT_Encode4(0), GIMT_Encode4(0), GIMT_Encode4(0), GIMT_Encode4(0), GIMT_Encode4(0), GIMT_Encode4(0), GIMT_Encode4(0),
|
|
// CHECK-NEXT: /*TargetOpcode::G_STORE*//*Label 2*/ GIMT_Encode4(537), GIMT_Encode4(0), GIMT_Encode4(0), GIMT_Encode4(0), GIMT_Encode4(0), GIMT_Encode4(0), GIMT_Encode4(0), GIMT_Encode4(0), GIMT_Encode4(0), GIMT_Encode4(0), GIMT_Encode4(0), GIMT_Encode4(0), GIMT_Encode4(0), GIMT_Encode4(0), GIMT_Encode4(0), GIMT_Encode4(0), GIMT_Encode4(0), GIMT_Encode4(0), GIMT_Encode4(0), GIMT_Encode4(0), GIMT_Encode4(0), GIMT_Encode4(0), GIMT_Encode4(0), GIMT_Encode4(0), GIMT_Encode4(0), GIMT_Encode4(0), GIMT_Encode4(0), GIMT_Encode4(0), GIMT_Encode4(0), GIMT_Encode4(0), GIMT_Encode4(0),
|
|
// CHECK-NEXT: /*TargetOpcode::G_TRUNC*//*Label 3*/ GIMT_Encode4(579), GIMT_Encode4(0), GIMT_Encode4(0), GIMT_Encode4(0), GIMT_Encode4(0),
|
|
// CHECK-NEXT: /*TargetOpcode::G_SEXT*//*Label 4*/ GIMT_Encode4(604), GIMT_Encode4(0),
|
|
// CHECK-NEXT: /*TargetOpcode::G_ZEXT*//*Label 5*/ GIMT_Encode4(617),
|
|
// CHECK-NEXT: // Label 0: @442
|
|
// CHECK-NEXT: GIM_Try, /*On fail goto*//*Label 7*/ GIMT_Encode4(471), // Rule ID 4 //
|
|
// CHECK-NEXT: GIM_CheckFeatures, GIMT_Encode2(GIFBS_HasAnswerToEverything),
|
|
// CHECK-NEXT: GIM_CheckSimplePredicate, GIMT_Encode2(GICXXPred_Simple_IsRule3Enabled),
|
|
// CHECK-NEXT: // MIs[0] a
|
|
// CHECK-NEXT: // No operand predicates
|
|
// CHECK-NEXT: // MIs[0] b
|
|
// CHECK-NEXT: GIM_RecordInsnIgnoreCopies, /*DefineMI*/1, /*MI*/0, /*OpIdx*/1, // MIs[1]
|
|
// CHECK-NEXT: GIM_CheckOpcode, /*MI*/1, GIMT_Encode2(TargetOpcode::G_ZEXT),
|
|
// CHECK-NEXT: // MIs[1] c
|
|
// CHECK-NEXT: // No operand predicates
|
|
// CHECK-NEXT: GIM_CheckCxxInsnPredicate, /*MI*/0, /*FnId*/GIMT_Encode2(GICXXPred_MI_Predicate_GICombiner0),
|
|
// CHECK-NEXT: GIM_CheckIsSafeToFold, /*InsnID*/1,
|
|
// CHECK-NEXT: // Combiner Rule #3: InstTest1
|
|
// CHECK-NEXT: GIR_CustomAction, GIMT_Encode2(GICXXCustomAction_CombineApplyGICombiner0),
|
|
// CHECK-NEXT: GIR_Done,
|
|
// CHECK-NEXT: // Label 7: @471
|
|
// CHECK-NEXT: GIM_Try, /*On fail goto*//*Label 8*/ GIMT_Encode4(483), // Rule ID 3 //
|
|
// CHECK-NEXT: GIM_CheckSimplePredicate, GIMT_Encode2(GICXXPred_Simple_IsRule2Enabled),
|
|
// CHECK-NEXT: // MIs[0] a
|
|
// CHECK-NEXT: // No operand predicates
|
|
// CHECK-NEXT: // MIs[0] b
|
|
// CHECK-NEXT: // No operand predicates
|
|
// CHECK-NEXT: // Combiner Rule #2: InstTest0
|
|
// CHECK-NEXT: GIR_CustomAction, GIMT_Encode2(GICXXCustomAction_CombineApplyGICombiner1),
|
|
// CHECK-NEXT: GIR_Done,
|
|
// CHECK-NEXT: // Label 8: @483
|
|
// CHECK-NEXT: GIM_Reject,
|
|
// CHECK-NEXT: // Label 1: @484
|
|
// CHECK-NEXT: GIM_Try, /*On fail goto*//*Label 9*/ GIMT_Encode4(536), // Rule ID 6 //
|
|
// CHECK-NEXT: GIM_CheckSimplePredicate, GIMT_Encode2(GICXXPred_Simple_IsRule5Enabled),
|
|
// CHECK-NEXT: GIM_CheckType, /*MI*/0, /*Op*/2, /*Type*/GILLT_s32,
|
|
// CHECK-NEXT: // MIs[0] dst
|
|
// CHECK-NEXT: // No operand predicates
|
|
// CHECK-NEXT: // MIs[0] x
|
|
// CHECK-NEXT: GIM_RecordInsnIgnoreCopies, /*DefineMI*/1, /*MI*/0, /*OpIdx*/1, // MIs[1]
|
|
// CHECK-NEXT: GIM_CheckOpcode, /*MI*/1, GIMT_Encode2(TargetOpcode::G_CONSTANT),
|
|
// CHECK-NEXT: // MIs[1] z
|
|
// CHECK-NEXT: GIM_CheckLiteralInt, /*MI*/1, /*Op*/1, GIMT_Encode8(-42),
|
|
// CHECK-NEXT: GIM_CheckConstantInt8, /*MI*/0, /*Op*/2, 43,
|
|
// CHECK-NEXT: GIM_CheckIsSafeToFold, /*InsnID*/1,
|
|
// CHECK-NEXT: // Combiner Rule #5: InOutInstTest1
|
|
// CHECK-NEXT: GIR_BuildMI, /*InsnID*/0, /*Opcode*/GIMT_Encode2(TargetOpcode::G_TRUNC),
|
|
// CHECK-NEXT: GIR_Copy, /*NewInsnID*/0, /*OldInsnID*/0, /*OpIdx*/0, // dst
|
|
// CHECK-NEXT: GIR_Copy, /*NewInsnID*/0, /*OldInsnID*/1, /*OpIdx*/1, // z
|
|
// CHECK-NEXT: GIR_EraseFromParent, /*InsnID*/0,
|
|
// CHECK-NEXT: GIR_Done,
|
|
// CHECK-NEXT: // Label 9: @536
|
|
// CHECK-NEXT: GIM_Reject,
|
|
// CHECK-NEXT: // Label 2: @537
|
|
// CHECK-NEXT: GIM_Try, /*On fail goto*//*Label 10*/ GIMT_Encode4(578), // Rule ID 5 //
|
|
// CHECK-NEXT: GIM_CheckSimplePredicate, GIMT_Encode2(GICXXPred_Simple_IsRule4Enabled),
|
|
// CHECK-NEXT: // MIs[0] tmp
|
|
// CHECK-NEXT: GIM_RecordInsnIgnoreCopies, /*DefineMI*/1, /*MI*/0, /*OpIdx*/0, // MIs[1]
|
|
// CHECK-NEXT: GIM_CheckOpcode, /*MI*/1, GIMT_Encode2(TargetOpcode::G_ZEXT),
|
|
// CHECK-NEXT: // MIs[1] ext
|
|
// CHECK-NEXT: // No operand predicates
|
|
// CHECK-NEXT: // MIs[0] ptr
|
|
// CHECK-NEXT: // No operand predicates
|
|
// CHECK-NEXT: GIM_CheckIsSafeToFold, /*InsnID*/1,
|
|
// CHECK-NEXT: // Combiner Rule #4: InOutInstTest0
|
|
// CHECK-NEXT: GIR_BuildMI, /*InsnID*/0, /*Opcode*/GIMT_Encode2(TargetOpcode::G_STORE),
|
|
// CHECK-NEXT: GIR_Copy, /*NewInsnID*/0, /*OldInsnID*/1, /*OpIdx*/1, // ext
|
|
// CHECK-NEXT: GIR_Copy, /*NewInsnID*/0, /*OldInsnID*/0, /*OpIdx*/1, // ptr
|
|
// CHECK-NEXT: GIR_MergeMemOperands, /*InsnID*/0, /*NumInsns*/2, /*MergeInsnID's*/0, 1,
|
|
// CHECK-NEXT: GIR_CustomAction, GIMT_Encode2(GICXXCustomAction_CombineApplyGICombiner2),
|
|
// CHECK-NEXT: GIR_EraseFromParent, /*InsnID*/0,
|
|
// CHECK-NEXT: GIR_Done,
|
|
// CHECK-NEXT: // Label 10: @578
|
|
// CHECK-NEXT: GIM_Reject,
|
|
// CHECK-NEXT: // Label 3: @579
|
|
// CHECK-NEXT: GIM_Try, /*On fail goto*//*Label 11*/ GIMT_Encode4(591), // Rule ID 0 //
|
|
// CHECK-NEXT: GIM_CheckSimplePredicate, GIMT_Encode2(GICXXPred_Simple_IsRule0Enabled),
|
|
// CHECK-NEXT: // Combiner Rule #0: WipOpcodeTest0; wip_match_opcode 'G_TRUNC'
|
|
// CHECK-NEXT: GIR_CustomAction, GIMT_Encode2(GICXXCustomAction_CombineApplyGICombiner0),
|
|
// CHECK-NEXT: GIR_Done,
|
|
// CHECK-NEXT: // Label 11: @591
|
|
// CHECK-NEXT: GIM_Try, /*On fail goto*//*Label 12*/ GIMT_Encode4(603), // Rule ID 1 //
|
|
// CHECK-NEXT: GIM_CheckSimplePredicate, GIMT_Encode2(GICXXPred_Simple_IsRule1Enabled),
|
|
// CHECK-NEXT: // Combiner Rule #1: WipOpcodeTest1; wip_match_opcode 'G_TRUNC'
|
|
// CHECK-NEXT: GIR_CustomAction, GIMT_Encode2(GICXXCustomAction_CombineApplyGICombiner0),
|
|
// CHECK-NEXT: GIR_Done,
|
|
// CHECK-NEXT: // Label 12: @603
|
|
// CHECK-NEXT: GIM_Reject,
|
|
// CHECK-NEXT: // Label 4: @604
|
|
// CHECK-NEXT: GIM_Try, /*On fail goto*//*Label 13*/ GIMT_Encode4(616), // Rule ID 2 //
|
|
// CHECK-NEXT: GIM_CheckSimplePredicate, GIMT_Encode2(GICXXPred_Simple_IsRule1Enabled),
|
|
// CHECK-NEXT: // Combiner Rule #1: WipOpcodeTest1; wip_match_opcode 'G_SEXT'
|
|
// CHECK-NEXT: GIR_CustomAction, GIMT_Encode2(GICXXCustomAction_CombineApplyGICombiner0),
|
|
// CHECK-NEXT: GIR_Done,
|
|
// CHECK-NEXT: // Label 13: @616
|
|
// CHECK-NEXT: GIM_Reject,
|
|
// CHECK-NEXT: // Label 5: @617
|
|
// CHECK-NEXT: GIM_Try, /*On fail goto*//*Label 14*/ GIMT_Encode4(656), // Rule ID 7 //
|
|
// CHECK-NEXT: GIM_CheckSimplePredicate, GIMT_Encode2(GICXXPred_Simple_IsRule6Enabled),
|
|
// CHECK-NEXT: // MIs[0] dst
|
|
// CHECK-NEXT: // No operand predicates
|
|
// CHECK-NEXT: // MIs[0] cst
|
|
// CHECK-NEXT: // No operand predicates
|
|
// CHECK-NEXT: GIM_CheckCxxInsnPredicate, /*MI*/0, /*FnId*/GIMT_Encode2(GICXXPred_MI_Predicate_GICombiner1),
|
|
// CHECK-NEXT: GIR_MakeTempReg, /*TempRegID*/0, /*TypeID*/GILLT_s32,
|
|
// CHECK-NEXT: GIR_BuildConstant, /*TempRegID*/0, /*Val*/GIMT_Encode8(0),
|
|
// CHECK-NEXT: // Combiner Rule #6: PatFragTest0 @ [__PatFragTest0_match_1[0]]
|
|
// CHECK-NEXT: GIR_BuildMI, /*InsnID*/0, /*Opcode*/GIMT_Encode2(TargetOpcode::COPY),
|
|
// CHECK-NEXT: GIR_Copy, /*NewInsnID*/0, /*OldInsnID*/0, /*OpIdx*/0, // dst
|
|
// CHECK-NEXT: GIR_AddSimpleTempRegister, /*InsnID*/0, /*TempRegID*/0,
|
|
// CHECK-NEXT: GIR_EraseFromParent, /*InsnID*/0,
|
|
// CHECK-NEXT: GIR_Done,
|
|
// CHECK-NEXT: // Label 14: @656
|
|
// CHECK-NEXT: GIM_Reject,
|
|
// CHECK-NEXT: // Label 6: @657
|
|
// CHECK-NEXT: GIM_Reject,
|
|
// CHECK-NEXT: }; // Size: 658 bytes
|
|
// CHECK-NEXT: return MatchTable0;
|
|
// CHECK-NEXT: }
|