derek.holloway
7502bf64a4
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157 lines
7.0 KiB
TableGen
157 lines
7.0 KiB
TableGen
// RUN: llvm-tblgen -I %p/../../../include -gen-global-isel-combiner \
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// RUN: -combiners=MyCombiner %s | \
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// RUN: FileCheck %s
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include "llvm/Target/Target.td"
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include "llvm/Target/GlobalISel/Combine.td"
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def MyTargetISA : InstrInfo;
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def MyTarget : Target { let InstructionSet = MyTargetISA; }
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def InstTest0 : GICombineRule<
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(defs root:$a),
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(match (G_BUILD_VECTOR $a, $b, $c, $d)),
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(apply [{ APPLY }])>;
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def InstTest1 : GICombineRule<
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(defs root:$a),
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(match (G_BUILD_VECTOR $a, $b)),
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(apply [{ APPLY }])>;
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def InstTest2 : GICombineRule<
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(defs root:$a),
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(match (G_UNMERGE_VALUES $a, $b)),
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(apply [{ APPLY }])>;
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def InstTest3 : GICombineRule<
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(defs root:$a),
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(match (G_UNMERGE_VALUES $a, $b, $c, $d)),
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(apply [{ APPLY }])>;
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def VariadicTypeTestCxx : GICombineRule<
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(defs root:$a),
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(match (G_BUILD_VECTOR $a, GIVariadic<2, 4>:$b)),
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(apply [{ ${b} }])>;
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def VariadicTypeTestReuse : GICombineRule<
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(defs root:$a),
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(match (G_BUILD_VECTOR $a, $c, GIVariadic<2, 4>:$b)),
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(apply (G_MERGE_VALUES $a, $b, $c))>;
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def MyCombiner: GICombiner<"GenMyCombiner", [
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InstTest0,
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InstTest1,
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InstTest2,
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InstTest3,
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VariadicTypeTestCxx,
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VariadicTypeTestReuse
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]>;
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// CHECK: bool GenMyCombiner::runCustomAction(unsigned ApplyID, const MatcherState &State, NewMIVector &OutMIs) const {
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// CHECK-NEXT: Helper.getBuilder().setInstrAndDebugLoc(*State.MIs[0]);
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// CHECK-NEXT: switch(ApplyID) {
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// CHECK-NEXT: case GICXXCustomAction_GICombiner0:{
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// CHECK-NEXT: // Apply Patterns
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// CHECK-NEXT: APPLY
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// CHECK-NEXT: return true;
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// CHECK-NEXT: }
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// CHECK-NEXT: case GICXXCustomAction_GICombiner1:{
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// CHECK-NEXT: // Apply Patterns
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// CHECK-NEXT: getRemainingOperands(*State.MIs[0], 1)
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// CHECK-NEXT: return true;
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// CHECK-NEXT: }
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// CHECK-NEXT: }
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// CHECK-NEXT: llvm_unreachable("Unknown Apply Action");
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// CHECK-NEXT: }
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// CHECK: const uint8_t *GenMyCombiner::getMatchTable() const {
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// CHECK-NEXT: constexpr static uint8_t MatchTable0[] = {
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// CHECK-NEXT: GIM_SwitchOpcode, /*MI*/0, /*[*/GIMT_Encode2({{[0-9]+}}), GIMT_Encode2({{[0-9]+}}), /*)*//*default:*//*Label 2*/ GIMT_Encode4({{[0-9]+}}),
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// CHECK-NEXT: /*TargetOpcode::G_UNMERGE_VALUES*//*Label 0*/ GIMT_Encode4({{[0-9]+}}), GIMT_Encode4(0), GIMT_Encode4(0),
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// CHECK-NEXT: /*TargetOpcode::G_BUILD_VECTOR*//*Label 1*/ GIMT_Encode4({{[0-9]+}}),
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// CHECK-NEXT: // Label 0: @{{[0-9]+}}
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// CHECK-NEXT: GIM_Try, /*On fail goto*//*Label 3*/ GIMT_Encode4({{[0-9]+}}), // Rule ID 2 //
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// CHECK-NEXT: GIM_CheckSimplePredicate, GIMT_Encode2(GICXXPred_Simple_IsRule2Enabled),
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// CHECK-NEXT: GIM_CheckNumOperands, /*MI*/0, /*Expected*/2,
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// CHECK-NEXT: // MIs[0] a
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// CHECK-NEXT: // No operand predicates
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// CHECK-NEXT: // MIs[0] b
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// CHECK-NEXT: // No operand predicates
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// CHECK-NEXT: // Combiner Rule #2: InstTest2
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// CHECK-NEXT: GIR_DoneWithCustomAction, /*Fn*/GIMT_Encode2(GICXXCustomAction_GICombiner0),
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// CHECK-NEXT: // Label 3: @{{[0-9]+}}
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// CHECK-NEXT: GIM_Try, /*On fail goto*//*Label 4*/ GIMT_Encode4({{[0-9]+}}), // Rule ID 3 //
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// CHECK-NEXT: GIM_CheckSimplePredicate, GIMT_Encode2(GICXXPred_Simple_IsRule3Enabled),
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// CHECK-NEXT: GIM_CheckNumOperands, /*MI*/0, /*Expected*/4,
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// CHECK-NEXT: // MIs[0] a
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// CHECK-NEXT: // No operand predicates
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// CHECK-NEXT: // MIs[0] b
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// CHECK-NEXT: // No operand predicates
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// CHECK-NEXT: // MIs[0] c
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// CHECK-NEXT: // No operand predicates
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// CHECK-NEXT: // MIs[0] d
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// CHECK-NEXT: // No operand predicates
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// CHECK-NEXT: // Combiner Rule #3: InstTest3
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// CHECK-NEXT: GIR_DoneWithCustomAction, /*Fn*/GIMT_Encode2(GICXXCustomAction_GICombiner0),
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// CHECK-NEXT: // Label 4: @{{[0-9]+}}
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// CHECK-NEXT: GIM_Reject,
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// CHECK-NEXT: // Label 1: @{{[0-9]+}}
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// CHECK-NEXT: GIM_Try, /*On fail goto*//*Label 5*/ GIMT_Encode4({{[0-9]+}}), // Rule ID 4 //
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// CHECK-NEXT: GIM_CheckSimplePredicate, GIMT_Encode2(GICXXPred_Simple_IsRule4Enabled),
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// CHECK-NEXT: GIM_CheckNumOperandsGE, /*MI*/0, /*Expected*/3,
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// CHECK-NEXT: GIM_CheckNumOperandsLE, /*MI*/0, /*Expected*/5,
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// CHECK-NEXT: // MIs[0] a
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// CHECK-NEXT: // No operand predicates
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// CHECK-NEXT: // MIs[0] b
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// CHECK-NEXT: // No operand predicates
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// CHECK-NEXT: // Combiner Rule #4: VariadicTypeTestCxx
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// CHECK-NEXT: GIR_DoneWithCustomAction, /*Fn*/GIMT_Encode2(GICXXCustomAction_GICombiner1),
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// CHECK-NEXT: // Label 5: @{{[0-9]+}}
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// CHECK-NEXT: GIM_Try, /*On fail goto*//*Label 6*/ GIMT_Encode4({{[0-9]+}}), // Rule ID 1 //
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// CHECK-NEXT: GIM_CheckSimplePredicate, GIMT_Encode2(GICXXPred_Simple_IsRule1Enabled),
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// CHECK-NEXT: GIM_CheckNumOperands, /*MI*/0, /*Expected*/2,
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// CHECK-NEXT: // MIs[0] a
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// CHECK-NEXT: // No operand predicates
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// CHECK-NEXT: // MIs[0] b
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// CHECK-NEXT: // No operand predicates
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// CHECK-NEXT: // Combiner Rule #1: InstTest1
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// CHECK-NEXT: GIR_DoneWithCustomAction, /*Fn*/GIMT_Encode2(GICXXCustomAction_GICombiner0),
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// CHECK-NEXT: // Label 6: @{{[0-9]+}}
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// CHECK-NEXT: GIM_Try, /*On fail goto*//*Label 7*/ GIMT_Encode4({{[0-9]+}}), // Rule ID 5 //
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// CHECK-NEXT: GIM_CheckSimplePredicate, GIMT_Encode2(GICXXPred_Simple_IsRule5Enabled),
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// CHECK-NEXT: GIM_CheckNumOperandsGE, /*MI*/0, /*Expected*/4,
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// CHECK-NEXT: GIM_CheckNumOperandsLE, /*MI*/0, /*Expected*/6,
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// CHECK-NEXT: // MIs[0] a
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// CHECK-NEXT: // No operand predicates
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// CHECK-NEXT: // MIs[0] c
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// CHECK-NEXT: // No operand predicates
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// CHECK-NEXT: // MIs[0] b
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// CHECK-NEXT: // No operand predicates
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// CHECK-NEXT: // Combiner Rule #5: VariadicTypeTestReuse
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// CHECK-NEXT: GIR_BuildRootMI, /*Opcode*/GIMT_Encode2(TargetOpcode::G_MERGE_VALUES),
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// CHECK-NEXT: GIR_RootToRootCopy, /*OpIdx*/0, // a
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// CHECK-NEXT: GIR_CopyRemaining, /*NewInsnID*/0, /*OldInsnID*/0, /*OpIdx*/2, // b
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// CHECK-NEXT: GIR_RootToRootCopy, /*OpIdx*/1, // c
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// CHECK-NEXT: GIR_EraseRootFromParent_Done,
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// CHECK-NEXT: // Label 7: @{{[0-9]+}}
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// CHECK-NEXT: GIM_Try, /*On fail goto*//*Label 8*/ GIMT_Encode4({{[0-9]+}}), // Rule ID 0 //
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// CHECK-NEXT: GIM_CheckSimplePredicate, GIMT_Encode2(GICXXPred_Simple_IsRule0Enabled),
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// CHECK-NEXT: GIM_CheckNumOperands, /*MI*/0, /*Expected*/4,
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// CHECK-NEXT: // MIs[0] a
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// CHECK-NEXT: // No operand predicates
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// CHECK-NEXT: // MIs[0] b
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// CHECK-NEXT: // No operand predicates
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// CHECK-NEXT: // MIs[0] c
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// CHECK-NEXT: // No operand predicates
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// CHECK-NEXT: // MIs[0] d
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// CHECK-NEXT: // No operand predicates
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// CHECK-NEXT: // Combiner Rule #0: InstTest0
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// CHECK-NEXT: GIR_DoneWithCustomAction, /*Fn*/GIMT_Encode2(GICXXCustomAction_GICombiner0),
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// CHECK-NEXT: // Label 8: @{{[0-9]+}}
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// CHECK-NEXT: GIM_Reject,
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// CHECK-NEXT: // Label 2: @{{[0-9]+}}
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// CHECK-NEXT: GIM_Reject,
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// CHECK-NEXT: }; // Size: 128 bytes
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// CHECK-NEXT: return MatchTable0;
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// CHECK-NEXT: }
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