84 lines
5.9 KiB
TableGen
84 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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def ReplaceMatched : GICombineRule<
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(defs root:$dst),
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(match (G_FNEG $tmp, $src),
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(G_FNEG $dst, $tmp)),
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(apply (GIReplaceReg $dst, $src))>;
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def ReplaceTemp : GICombineRule<
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(defs root:$a),
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(match (G_BUILD_VECTOR $tmp, $x, $y),
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(G_UNMERGE_VALUES $a, $b, $tmp)),
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(apply (G_UNMERGE_VALUES $a, i32:$new, $y),
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(GIReplaceReg $b, $new))>;
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def MyCombiner: GICombiner<"GenMyCombiner", [
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ReplaceMatched,
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ReplaceTemp
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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(65), GIMT_Encode2(181), /*)*//*default:*//*Label 2*/ GIMT_Encode4(558),
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// CHECK-NEXT: /*TargetOpcode::G_UNMERGE_VALUES*//*Label 0*/ GIMT_Encode4(474), 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), 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_FNEG*//*Label 1*/ GIMT_Encode4(526),
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// CHECK-NEXT: // Label 0: @474
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// CHECK-NEXT: GIM_Try, /*On fail goto*//*Label 3*/ GIMT_Encode4(525), // 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*/3,
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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] tmp
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// CHECK-NEXT: GIM_RecordInsnIgnoreCopies, /*DefineMI*/1, /*MI*/0, /*OpIdx*/2, // MIs[1]
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// CHECK-NEXT: GIM_CheckOpcode, /*MI*/1, GIMT_Encode2(TargetOpcode::G_BUILD_VECTOR),
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// CHECK-NEXT: GIM_CheckNumOperands, /*MI*/1, /*Expected*/3,
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// CHECK-NEXT: // MIs[1] x
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// CHECK-NEXT: // No operand predicates
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// CHECK-NEXT: // MIs[1] y
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// CHECK-NEXT: // No operand predicates
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// CHECK-NEXT: GIM_CheckIsSafeToFold, /*InsnID*/1,
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// CHECK-NEXT: GIR_MakeTempReg, /*TempRegID*/0, /*TypeID*/GILLT_s32,
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// CHECK-NEXT: // Combiner Rule #1: ReplaceTemp
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// CHECK-NEXT: GIR_BuildMI, /*InsnID*/0, /*Opcode*/GIMT_Encode2(TargetOpcode::G_UNMERGE_VALUES),
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// CHECK-NEXT: GIR_Copy, /*NewInsnID*/0, /*OldInsnID*/0, /*OpIdx*/0, // a
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// CHECK-NEXT: GIR_AddTempRegister, /*InsnID*/0, /*TempRegID*/0, /*TempRegFlags*/GIMT_Encode2(RegState::Define),
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// CHECK-NEXT: GIR_Copy, /*NewInsnID*/0, /*OldInsnID*/1, /*OpIdx*/2, // y
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// CHECK-NEXT: GIR_ReplaceRegWithTempReg, /*OldInsnID*/0, /*OldOpIdx*/1, /*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 3: @525
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// CHECK-NEXT: GIM_Reject,
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// CHECK-NEXT: // Label 1: @526
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// CHECK-NEXT: GIM_Try, /*On fail goto*//*Label 4*/ GIMT_Encode4(557), // Rule ID 0 //
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// CHECK-NEXT: GIM_CheckSimplePredicate, GIMT_Encode2(GICXXPred_Simple_IsRule0Enabled),
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// CHECK-NEXT: // MIs[0] dst
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// CHECK-NEXT: // No operand predicates
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// CHECK-NEXT: // MIs[0] tmp
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// CHECK-NEXT: GIM_RecordInsnIgnoreCopies, /*DefineMI*/1, /*MI*/0, /*OpIdx*/1, // MIs[1]
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// CHECK-NEXT: GIM_CheckOpcode, /*MI*/1, GIMT_Encode2(TargetOpcode::G_FNEG),
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// CHECK-NEXT: // MIs[1] src
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// CHECK-NEXT: // No operand predicates
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// CHECK-NEXT: GIM_CheckCanReplaceReg, /*OldInsnID*/0, /*OldOpIdx*/0, /*NewInsnId*/1, /*NewOpIdx*/1,
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// CHECK-NEXT: GIM_CheckIsSafeToFold, /*InsnID*/1,
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// CHECK-NEXT: // Combiner Rule #0: ReplaceMatched
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// CHECK-NEXT: GIR_ReplaceReg, /*OldInsnID*/0, /*OldOpIdx*/0, /*NewInsnId*/1, /*NewOpIdx*/1,
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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: @557
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// CHECK-NEXT: GIM_Reject,
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// CHECK-NEXT: // Label 2: @558
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// CHECK-NEXT: GIM_Reject,
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// CHECK-NEXT: }; // Size: 559 bytes
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// CHECK-NEXT: return MatchTable0;
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// CHECK-NEXT: }
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