GlobalISelEmitterCustomPredicate.td
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// RUN: llvm-tblgen %s -gen-global-isel -optimize-match-table=false -I %p/../../include -I %p/Common -o - | FileCheck %s
include "llvm/Target/Target.td"
include "GlobalISelEmitterCommon.td"
// Boilerplate code for setting up some registers with subregs.
class MyReg<string n, list<Register> subregs = []>
: Register<n> {
let SubRegs = subregs;
}
class MyClass<int size, list<ValueType> types, dag registers>
: RegisterClass<"Test", types, size, registers> {
let Size = size;
}
def sub0 : SubRegIndex<16>;
def sub1 : SubRegIndex<16, 16>;
def S0 : MyReg<"s0">;
def S1 : MyReg<"s1">;
def SRegs : MyClass<16, [i16], (sequence "S%u", 0, 1)>;
let SubRegIndices = [sub0, sub1] in {
def D0 : MyReg<"d0", [S0, S1]>;
}
def DRegs : MyClass<32, [i32], (sequence "D%u", 0, 0)>;
def DOP : RegisterOperand<DRegs>;
def AND_OR : I<(outs DRegs:$dst), (ins DOP:$src0, DOP:$src1, DOP:$src2), []>;
def or_oneuse : PatFrag<
(ops node:$x, node:$y),
(or node:$x, node:$y), [{ return foo(); }]> {
let GISelPredicateCode = [{
return MRI.hasOneNonDBGUse(MI.getOperand(0).getReg());
}];
}
// FIXME: GISelPredicateCode ignored if DAG predicate not set.
def and_or_pat : PatFrag<
(ops node:$x, node:$y, node:$z),
(and (or node:$x, node:$y), node:$z), [{ return foo(); }]> {
let GISelPredicateCode = [{
return doesComplexCheck(MI);
}];
let PredicateCodeUsesOperands = 1;
}
// CHECK: GIM_Try, /*On fail goto*//*Label 0*/ 99, // Rule ID 2 //
// CHECK-NEXT: GIM_CheckNumOperands, /*MI*/0, /*Expected*/3,
// CHECK-NEXT: GIM_CheckOpcode, /*MI*/0, TargetOpcode::G_AND,
// CHECK-NEXT: // MIs[0] dst
// CHECK-NEXT: GIM_CheckType, /*MI*/0, /*Op*/0, /*Type*/GILLT_s32,
// CHECK-NEXT: GIM_CheckRegBankForClass, /*MI*/0, /*Op*/0, /*RC*/Test::DRegsRegClassID,
// CHECK-NEXT: // MIs[0] src2
// CHECK-NEXT: GIM_CheckType, /*MI*/0, /*Op*/1, /*Type*/GILLT_s32,
// CHECK-NEXT: GIM_RecordNamedOperand, /*MI*/0, /*Op*/1, /*StoreIdx*/2, // Name : pred:2:z
// CHECK-NEXT: GIM_CheckRegBankForClass, /*MI*/0, /*Op*/1, /*RC*/Test::DRegsRegClassID,
// CHECK-NEXT: // MIs[0] Operand 2
// CHECK-NEXT: GIM_CheckType, /*MI*/0, /*Op*/2, /*Type*/GILLT_s32,
// CHECK-NEXT: GIM_RecordInsn, /*DefineMI*/1, /*MI*/0, /*OpIdx*/2, // MIs[1]
// CHECK-NEXT: GIM_CheckNumOperands, /*MI*/1, /*Expected*/3,
// CHECK-NEXT: GIM_CheckOpcode, /*MI*/1, TargetOpcode::G_OR,
// CHECK-NEXT: // MIs[1] Operand 0
// CHECK-NEXT: GIM_CheckType, /*MI*/1, /*Op*/0, /*Type*/GILLT_s32,
// CHECK-NEXT: // MIs[1] src0
// CHECK-NEXT: GIM_CheckType, /*MI*/1, /*Op*/1, /*Type*/GILLT_s32,
// CHECK-NEXT: GIM_RecordNamedOperand, /*MI*/1, /*Op*/1, /*StoreIdx*/0, // Name : pred:2:x
// CHECK-NEXT: GIM_CheckRegBankForClass, /*MI*/1, /*Op*/1, /*RC*/Test::DRegsRegClassID,
// CHECK-NEXT: // MIs[1] src1
// CHECK-NEXT: GIM_CheckType, /*MI*/1, /*Op*/2, /*Type*/GILLT_s32,
// CHECK-NEXT: GIM_RecordNamedOperand, /*MI*/1, /*Op*/2, /*StoreIdx*/1, // Name : pred:2:y
// CHECK-NEXT: GIM_CheckRegBankForClass, /*MI*/1, /*Op*/2, /*RC*/Test::DRegsRegClassID,
// CHECK-NEXT: GIM_CheckCxxInsnPredicate, /*MI*/0, /*FnId*/GIPFP_MI_Predicate_and_or_pat,
// CHECK-NEXT: GIM_CheckIsSafeToFold, /*InsnID*/1,
// CHECK-NEXT: // (and:{ *:[i32] } DOP:{ *:[i32] }:$src2:$pred:2:z, (or:{ *:[i32] } DOP:{ *:[i32] }:$src0:$pred:2:x, DOP:{ *:[i32] }:$src1:$pred:2:y))<<P:2:Predicate_and_or_pat>> => (AND_OR:{ *:[i32] } DOP:{ *:[i32] }:$src0, DOP:{ *:[i32] }:$src1, DOP:{ *:[i32] }:$src2)
// CHECK-NEXT: GIR_BuildMI, /*InsnID*/0, /*Opcode*/MyTarget::AND_OR,
// CHECK: GIM_Try, /*On fail goto*//*Label 1*/ 198, // Rule ID 1 //
// CHECK-NEXT: GIM_CheckNumOperands, /*MI*/0, /*Expected*/3,
// CHECK-NEXT: GIM_CheckOpcode, /*MI*/0, TargetOpcode::G_AND,
// CHECK-NEXT: // MIs[0] dst
// CHECK-NEXT: GIM_CheckType, /*MI*/0, /*Op*/0, /*Type*/GILLT_s32,
// CHECK-NEXT: GIM_CheckRegBankForClass, /*MI*/0, /*Op*/0, /*RC*/Test::DRegsRegClassID,
// CHECK-NEXT: // MIs[0] Operand 1
// CHECK-NEXT: GIM_CheckType, /*MI*/0, /*Op*/1, /*Type*/GILLT_s32,
// CHECK-NEXT: GIM_RecordInsn, /*DefineMI*/1, /*MI*/0, /*OpIdx*/1, // MIs[1]
// CHECK-NEXT: GIM_CheckNumOperands, /*MI*/1, /*Expected*/3,
// CHECK-NEXT: GIM_CheckOpcode, /*MI*/1, TargetOpcode::G_OR,
// CHECK-NEXT: // MIs[1] Operand 0
// CHECK-NEXT: GIM_CheckType, /*MI*/1, /*Op*/0, /*Type*/GILLT_s32,
// CHECK-NEXT: // MIs[1] src0
// CHECK-NEXT: GIM_CheckType, /*MI*/1, /*Op*/1, /*Type*/GILLT_s32,
// CHECK-NEXT: GIM_RecordNamedOperand, /*MI*/1, /*Op*/1, /*StoreIdx*/0, // Name : pred:2:x
// CHECK-NEXT: GIM_CheckRegBankForClass, /*MI*/1, /*Op*/1, /*RC*/Test::DRegsRegClassID,
// CHECK-NEXT: // MIs[1] src1
// CHECK-NEXT: GIM_CheckType, /*MI*/1, /*Op*/2, /*Type*/GILLT_s32,
// CHECK-NEXT: GIM_RecordNamedOperand, /*MI*/1, /*Op*/2, /*StoreIdx*/1, // Name : pred:2:y
// CHECK-NEXT: GIM_CheckRegBankForClass, /*MI*/1, /*Op*/2, /*RC*/Test::DRegsRegClassID,
// CHECK-NEXT: // MIs[0] src2
// CHECK-NEXT: GIM_CheckType, /*MI*/0, /*Op*/2, /*Type*/GILLT_s32,
// CHECK-NEXT: GIM_RecordNamedOperand, /*MI*/0, /*Op*/2, /*StoreIdx*/2, // Name : pred:2:z
// CHECK-NEXT: GIM_CheckRegBankForClass, /*MI*/0, /*Op*/2, /*RC*/Test::DRegsRegClassID,
// CHECK-NEXT: GIM_CheckCxxInsnPredicate, /*MI*/0, /*FnId*/GIPFP_MI_Predicate_and_or_pat,
// CHECK-NEXT: GIM_CheckIsSafeToFold, /*InsnID*/1,
// CHECK-NEXT: // (and:{ *:[i32] } (or:{ *:[i32] } DOP:{ *:[i32] }:$src0:$pred:2:x, DOP:{ *:[i32] }:$src1:$pred:2:y), DOP:{ *:[i32] }:$src2:$pred:2:z)<<P:2:Predicate_and_or_pat>> => (AND_OR:{ *:[i32] } DOP:{ *:[i32] }:$src0, DOP:{ *:[i32] }:$src1, DOP:{ *:[i32] }:$src2)
// CHECK-NEXT: GIR_BuildMI, /*InsnID*/0, /*Opcode*/MyTarget::AND_OR,
// Test commutative, standalone pattern.
def : Pat<
(i32 (and_or_pat DOP:$src0, DOP:$src1, DOP:$src2)),
(AND_OR DOP:$src0, DOP:$src1, DOP:$src2)
>;
def sub3_pat : PatFrag<
(ops node:$x, node:$y, node:$z),
(sub (sub node:$x, node:$y), node:$z), [{ return foo(); }]> {
let GISelPredicateCode = [{
return doesComplexCheck(MI);
}];
let PredicateCodeUsesOperands = 1;
}
// CHECK: GIM_Try, /*On fail goto*//*Label 2*/ 285, // Rule ID 0 //
// CHECK-NEXT: GIM_CheckNumOperands, /*MI*/0, /*Expected*/3,
// CHECK-NEXT: GIM_CheckOpcode, /*MI*/0, TargetOpcode::G_SUB,
// CHECK-NEXT: // MIs[0] dst
// CHECK-NEXT: GIM_CheckType, /*MI*/0, /*Op*/0, /*Type*/GILLT_s32,
// CHECK-NEXT: GIM_CheckRegBankForClass, /*MI*/0, /*Op*/0, /*RC*/Test::DRegsRegClassID,
// CHECK-NEXT: // MIs[0] Operand 1
// CHECK-NEXT: GIM_CheckType, /*MI*/0, /*Op*/1, /*Type*/GILLT_s32,
// CHECK-NEXT: GIM_RecordInsn, /*DefineMI*/1, /*MI*/0, /*OpIdx*/1, // MIs[1]
// CHECK-NEXT: GIM_CheckNumOperands, /*MI*/1, /*Expected*/3,
// CHECK-NEXT: GIM_CheckOpcode, /*MI*/1, TargetOpcode::G_SUB,
// CHECK-NEXT: // MIs[1] Operand 0
// CHECK-NEXT: GIM_CheckType, /*MI*/1, /*Op*/0, /*Type*/GILLT_s32,
// CHECK-NEXT: // MIs[1] src0
// CHECK-NEXT: GIM_CheckType, /*MI*/1, /*Op*/1, /*Type*/GILLT_s32,
// CHECK-NEXT: GIM_RecordNamedOperand, /*MI*/1, /*Op*/1, /*StoreIdx*/0, // Name : pred:1:x
// CHECK-NEXT: // MIs[1] src1
// CHECK-NEXT: GIM_CheckType, /*MI*/1, /*Op*/2, /*Type*/GILLT_s32,
// CHECK-NEXT: GIM_RecordNamedOperand, /*MI*/1, /*Op*/2, /*StoreIdx*/1, // Name : pred:1:y
// CHECK-NEXT: // MIs[0] src2
// CHECK-NEXT: GIM_CheckType, /*MI*/0, /*Op*/2, /*Type*/GILLT_s32,
// CHECK-NEXT: GIM_RecordNamedOperand, /*MI*/0, /*Op*/2, /*StoreIdx*/2, // Name : pred:1:z
// CHECK-NEXT: GIM_CheckCxxInsnPredicate, /*MI*/0, /*FnId*/GIPFP_MI_Predicate_sub3_pat,
// CHECK-NEXT: GIM_CheckIsSafeToFold, /*InsnID*/1,
// CHECK-NEXT: // (sub:{ *:[i32] } (sub:{ *:[i32] } i32:{ *:[i32] }:$src0:$pred:1:x, i32:{ *:[i32] }:$src1:$pred:1:y), i32:{ *:[i32] }:$src2:$pred:1:z)<<P:1:Predicate_sub3_pat>> => (SUB3:{ *:[i32] } i32:{ *:[i32] }:$src0, i32:{ *:[i32] }:$src1, i32:{ *:[i32] }:$src2)
// CHECK-NEXT: GIR_BuildMI, /*InsnID*/0, /*Opcode*/MyTarget::SUB3,
// Test a non-commutative pattern.
def SUB3 : I<(outs DRegs:$dst),
(ins DOP:$src0, DOP:$src1, DOP:$src2),
[(set DRegs:$dst, (sub3_pat i32:$src0, i32:$src1, i32:$src2))]
>;