136 lines
6.1 KiB
TableGen
136 lines
6.1 KiB
TableGen
// RUN: llvm-tblgen -gen-macro-fusion-pred -I %p/../../include %s | FileCheck %s --check-prefix=CHECK-PREDICATOR
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// RUN: llvm-tblgen -gen-subtarget -I %p/../../include %s | FileCheck %s --check-prefix=CHECK-SUBTARGET
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include "llvm/Target/Target.td"
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def TestInstrInfo : InstrInfo { }
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def TestAsmWriter : AsmWriter {
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int PassSubtarget = 1;
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}
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def Test : Target {
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let InstructionSet = TestInstrInfo;
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let AssemblyWriters = [TestAsmWriter];
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}
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let Namespace = "Test" in {
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foreach i = 0-32 in {
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def X#i : Register<"x"#i>;
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}
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def GPR : RegisterClass<"GPR", [i32], 32, (sequence "X%u", 0, 32)>;
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class TestInst<int Opc> : Instruction {
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field bits<32> Inst;
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field bits<32> SoftFail = 0;
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let Size = 4;
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let Inst = Opc;
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let OutOperandList = (outs);
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let InOperandList = (ins);
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let AsmString = NAME;
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}
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}
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def Inst0 : TestInst<0>;
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def Inst1 : TestInst<1>;
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def BothFusionPredicate: BothFusionPredicateWithMCInstPredicate<CheckRegOperand<0, X0>>;
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def TestBothFusionPredicate: Fusion<"test-both-fusion-predicate", "HasBothFusionPredicate",
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"Test BothFusionPredicate",
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[BothFusionPredicate]>;
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def TestFusion: SimpleFusion<"test-fusion", "HasTestFusion", "Test Fusion",
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CheckOpcode<[Inst0]>,
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CheckAll<[
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CheckOpcode<[Inst1]>,
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CheckRegOperand<0, X0>
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]>>;
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// CHECK-PREDICATOR: #ifdef GET_Test_MACRO_FUSION_PRED_DECL
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// CHECK-PREDICATOR-NEXT: #undef GET_Test_MACRO_FUSION_PRED_DECL
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// CHECK-PREDICATOR-EMPTY:
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// CHECK-PREDICATOR-NEXT: namespace llvm {
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// CHECK-PREDICATOR-NEXT: bool isTestBothFusionPredicate(const TargetInstrInfo &, const TargetSubtargetInfo &, const MachineInstr *, const MachineInstr &);
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// CHECK-PREDICATOR-NEXT: bool isTestFusion(const TargetInstrInfo &, const TargetSubtargetInfo &, const MachineInstr *, const MachineInstr &);
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// CHECK-PREDICATOR-NEXT: } // end namespace llvm
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// CHECK-PREDICATOR-EMPTY:
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// CHECK-PREDICATOR-NEXT: #endif
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// CHECK-PREDICATOR: #ifdef GET_Test_MACRO_FUSION_PRED_IMPL
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// CHECK-PREDICATOR-NEXT: #undef GET_Test_MACRO_FUSION_PRED_IMPL
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// CHECK-PREDICATOR-EMPTY:
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// CHECK-PREDICATOR-NEXT: namespace llvm {
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// CHECK-PREDICATOR-NEXT: bool isTestBothFusionPredicate(
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// CHECK-PREDICATOR-NEXT: const TargetInstrInfo &TII,
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// CHECK-PREDICATOR-NEXT: const TargetSubtargetInfo &STI,
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// CHECK-PREDICATOR-NEXT: const MachineInstr *FirstMI,
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// CHECK-PREDICATOR-NEXT: const MachineInstr &SecondMI) {
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// CHECK-PREDICATOR-NEXT: auto &MRI = SecondMI.getMF()->getRegInfo();
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// CHECK-PREDICATOR-NEXT: {
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// CHECK-PREDICATOR-NEXT: const MachineInstr *MI = FirstMI;
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// CHECK-PREDICATOR-NEXT: if (MI->getOperand(0).getReg() != Test::X0)
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// CHECK-PREDICATOR-NEXT: return false;
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// CHECK-PREDICATOR-NEXT: }
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// CHECK-PREDICATOR-NEXT: {
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// CHECK-PREDICATOR-NEXT: const MachineInstr *MI = &SecondMI;
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// CHECK-PREDICATOR-NEXT: if (MI->getOperand(0).getReg() != Test::X0)
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// CHECK-PREDICATOR-NEXT: return false;
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// CHECK-PREDICATOR-NEXT: }
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// CHECK-PREDICATOR-NEXT: return true;
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// CHECK-PREDICATOR-NEXT: }
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// CHECK-PREDICATOR-NEXT: bool isTestFusion(
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// CHECK-PREDICATOR-NEXT: const TargetInstrInfo &TII,
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// CHECK-PREDICATOR-NEXT: const TargetSubtargetInfo &STI,
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// CHECK-PREDICATOR-NEXT: const MachineInstr *FirstMI,
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// CHECK-PREDICATOR-NEXT: const MachineInstr &SecondMI) {
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// CHECK-PREDICATOR-NEXT: auto &MRI = SecondMI.getMF()->getRegInfo();
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// CHECK-PREDICATOR-NEXT: {
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// CHECK-PREDICATOR-NEXT: const MachineInstr *MI = &SecondMI;
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// CHECK-PREDICATOR-NEXT: if (!(
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// CHECK-PREDICATOR-NEXT: ( MI->getOpcode() == Test::Inst1 )
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// CHECK-PREDICATOR-NEXT: && MI->getOperand(0).getReg() == Test::X0
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// CHECK-PREDICATOR-NEXT: ))
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// CHECK-PREDICATOR-NEXT: return false;
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// CHECK-PREDICATOR-NEXT: }
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// CHECK-PREDICATOR-NEXT: if (!FirstMI)
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// CHECK-PREDICATOR-NEXT: return true;
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// CHECK-PREDICATOR-NEXT: {
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// CHECK-PREDICATOR-NEXT: const MachineInstr *MI = FirstMI;
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// CHECK-PREDICATOR-NEXT: if (( MI->getOpcode() != Test::Inst0 ))
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// CHECK-PREDICATOR-NEXT: return false;
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// CHECK-PREDICATOR-NEXT: }
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// CHECK-PREDICATOR-NEXT: {
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// CHECK-PREDICATOR-NEXT: const MachineInstr *MI = &SecondMI;
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// CHECK-PREDICATOR-NEXT: if (!(
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// CHECK-PREDICATOR-NEXT: MI->getOperand(0).getReg().isVirtual()
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// CHECK-PREDICATOR-NEXT: || MI->getOperand(0).getReg() == MI->getOperand(1).getReg()
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// CHECK-PREDICATOR-NEXT: ))
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// CHECK-PREDICATOR-NEXT: return false;
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// CHECK-PREDICATOR-NEXT: }
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// CHECK-PREDICATOR-NEXT: {
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// CHECK-PREDICATOR-NEXT: Register FirstDest = FirstMI->getOperand(0).getReg();
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// CHECK-PREDICATOR-NEXT: if (FirstDest.isVirtual() && !MRI.hasOneNonDBGUse(FirstDest))
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// CHECK-PREDICATOR-NEXT: return false;
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// CHECK-PREDICATOR-NEXT: }
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// CHECK-PREDICATOR-NEXT: if (!(FirstMI->getOperand(0).isReg() &&
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// CHECK-PREDICATOR-NEXT: SecondMI.getOperand(1).isReg() &&
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// CHECK-PREDICATOR-NEXT: FirstMI->getOperand(0).getReg() == SecondMI.getOperand(1).getReg()))
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// CHECK-PREDICATOR-NEXT: return false;
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// CHECK-PREDICATOR-NEXT: return true;
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// CHECK-PREDICATOR-NEXT: }
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// CHECK-PREDICATOR-NEXT: } // end namespace llvm
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// CHECK-PREDICATOR-EMPTY:
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// CHECK-PREDICATOR-NEXT: #endif
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// Check that we have generated target subfeature.
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// CHECK-SUBTARGET: { "test-fusion", "Test Fusion", Test::TestFusion
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// Check that we have generated `getMacroFusions()` function.
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// CHECK-SUBTARGET: std::vector<MacroFusionPredTy> getMacroFusions() const override;
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// CHECK-SUBTARGET: std::vector<MacroFusionPredTy> TestGenSubtargetInfo::getMacroFusions() const {
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// CHECK-SUBTARGET-NEXT: std::vector<MacroFusionPredTy> Fusions;
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// CHECK-SUBTARGET-NEXT: if (hasFeature(Test::TestBothFusionPredicate)) Fusions.push_back(llvm::isTestBothFusionPredicate);
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// CHECK-SUBTARGET-NEXT: if (hasFeature(Test::TestFusion)) Fusions.push_back(llvm::isTestFusion);
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// CHECK-SUBTARGET-NEXT: return Fusions;
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// CHECK-SUBTARGET-NEXT: }
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