92 lines
5.9 KiB
TableGen
92 lines
5.9 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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// emits a imm
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def InstTest0 : GICombineRule<
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(defs root:$a),
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(match (COPY $a, (i32 0))),
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(apply (COPY $a, 0))>;
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// implicitly emits a G_CONSTANT
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def InstTest1 : GICombineRule<
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(defs root:$a),
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(match (G_ZEXT $a, 0)),
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(apply (COPY $a, (i32 0)))>;
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// emits a CImm because G_CONSTANT is a special case.
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def CImmInstTest1 : GICombineRule<
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(defs root:$a),
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(match (G_CONSTANT $a, (i32 0))),
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(apply (G_CONSTANT $a, (i32 42)))>;
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def MyCombiner: GICombiner<"GenMyCombiner", [
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InstTest0,
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InstTest1,
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CImmInstTest1
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]>;
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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(19), GIMT_Encode2(127), /*)*//*default:*//*Label 3*/ GIMT_Encode4(559),
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// 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), 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), 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),
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// CHECK-NEXT: /*TargetOpcode::G_CONSTANT*//*Label 1*/ GIMT_Encode4(473), GIMT_Encode4(0), GIMT_Encode4(0), GIMT_Encode4(0), GIMT_Encode4(0), GIMT_Encode4(0),
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// CHECK-NEXT: /*TargetOpcode::G_ZEXT*//*Label 2*/ GIMT_Encode4(519),
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// CHECK-NEXT: // Label 0: @442
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// CHECK-NEXT: GIM_Try, /*On fail goto*//*Label 4*/ GIMT_Encode4(472), // Rule ID 0 //
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// CHECK-NEXT: GIM_CheckSimplePredicate, GIMT_Encode2(GICXXPred_Simple_IsRule0Enabled),
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// CHECK-NEXT: GIM_CheckType, /*MI*/0, /*Op*/1, /*Type*/GILLT_s32,
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// CHECK-NEXT: // MIs[0] a
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// CHECK-NEXT: // No operand predicates
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// CHECK-NEXT: GIM_CheckConstantInt8, /*MI*/0, /*Op*/1, 0,
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// CHECK-NEXT: // Combiner Rule #0: InstTest0
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// CHECK-NEXT: GIR_BuildMI, /*InsnID*/0, /*Opcode*/GIMT_Encode2(TargetOpcode::COPY),
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// CHECK-NEXT: GIR_Copy, /*NewInsnID*/0, /*OldInsnID*/0, /*OpIdx*/0, // a
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// CHECK-NEXT: GIR_AddImm8, /*InsnID*/0, /*Imm*/0,
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// CHECK-NEXT: GIR_EraseFromParent, /*InsnID*/0,
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// CHECK-NEXT: GIR_Done,
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// CHECK-NEXT: // Label 4: @472
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// CHECK-NEXT: GIM_Reject,
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// CHECK-NEXT: // Label 1: @473
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// CHECK-NEXT: GIM_Try, /*On fail goto*//*Label 5*/ GIMT_Encode4(518), // Rule ID 2 //
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// CHECK-NEXT: GIM_CheckSimplePredicate, GIMT_Encode2(GICXXPred_Simple_IsRule2Enabled),
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// CHECK-NEXT: GIM_CheckType, /*MI*/0, /*Op*/1, /*Type*/GILLT_s32,
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// CHECK-NEXT: // MIs[0] a
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// CHECK-NEXT: // No operand predicates
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// CHECK-NEXT: GIM_CheckLiteralInt, /*MI*/0, /*Op*/1, GIMT_Encode8(0),
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// CHECK-NEXT: // Combiner Rule #2: CImmInstTest1
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// CHECK-NEXT: GIR_BuildMI, /*InsnID*/0, /*Opcode*/GIMT_Encode2(TargetOpcode::G_CONSTANT),
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// CHECK-NEXT: GIR_Copy, /*NewInsnID*/0, /*OldInsnID*/0, /*OpIdx*/0, // a
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// CHECK-NEXT: GIR_AddCImm, /*InsnID*/0, /*Type*/GILLT_s32, /*Imm*/GIMT_Encode8(42),
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// CHECK-NEXT: GIR_EraseFromParent, /*InsnID*/0,
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// CHECK-NEXT: GIR_Done,
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// CHECK-NEXT: // Label 5: @518
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// CHECK-NEXT: GIM_Reject,
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// CHECK-NEXT: // Label 2: @519
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// CHECK-NEXT: GIM_Try, /*On fail goto*//*Label 6*/ GIMT_Encode4(558), // Rule ID 1 //
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// CHECK-NEXT: GIM_CheckSimplePredicate, GIMT_Encode2(GICXXPred_Simple_IsRule1Enabled),
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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] Operand 1
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// CHECK-NEXT: GIM_CheckConstantInt8, /*MI*/0, /*Op*/1, 0,
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// CHECK-NEXT: GIR_MakeTempReg, /*TempRegID*/0, /*TypeID*/GILLT_s32,
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// CHECK-NEXT: GIR_BuildConstant, /*TempRegID*/0, /*Val*/GIMT_Encode8(0),
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// CHECK-NEXT: // Combiner Rule #1: InstTest1
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// CHECK-NEXT: GIR_BuildMI, /*InsnID*/0, /*Opcode*/GIMT_Encode2(TargetOpcode::COPY),
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// CHECK-NEXT: GIR_Copy, /*NewInsnID*/0, /*OldInsnID*/0, /*OpIdx*/0, // a
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// CHECK-NEXT: GIR_AddSimpleTempRegister, /*InsnID*/0, /*TempRegID*/0,
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// CHECK-NEXT: GIR_EraseFromParent, /*InsnID*/0,
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// CHECK-NEXT: GIR_Done,
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// CHECK-NEXT: // Label 6: @558
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// CHECK-NEXT: GIM_Reject,
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// CHECK-NEXT: // Label 3: @559
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// CHECK-NEXT: GIM_Reject,
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// CHECK-NEXT: }; // Size: 560 bytes
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// CHECK-NEXT: return MatchTable0;
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// CHECK-NEXT: }
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