1 // RUN: llvm-tblgen --gen-fast-isel -I %p/../../include %s 2>&1 | FileCheck %s 2 3 include "llvm/Target/Target.td" 4 5 //===- Define the necessary boilerplate for our test target. --------------===// 6 7 def MyTargetISA : InstrInfo; 8 def MyTarget : Target { let InstructionSet = MyTargetISA; } 9 10 def R0 : Register<"r0"> { let Namespace = "MyTarget"; } 11 def R1 : Register<"r0"> { let Namespace = "MyTarget"; } 12 def GPR32M : RegisterClass<"MyTarget", [i32], 32, (add R0)>; 13 def GPR32MOp : RegisterOperand<GPR32M>; 14 15 def GPR32 : RegisterClass<"MyTarget", [i32], 32, (add R0, R1)>; 16 def GPR32Op : RegisterOperand<GPR32>; 17 18 class I<dag OOps, dag IOps, list<dag> Pat> : Instruction { 19 let Namespace = "MyTarget"; 20 let OutOperandList = OOps; 21 let InOperandList = IOps; 22 let Pattern = Pat; 23 } 24 25 def HasA : Predicate<"Subtarget->hasA()">; 26 27 let Predicates = [HasA] in { 28 29 def ADD : I<(outs GPR32Op:$rd), (ins GPR32Op:$rs, GPR32Op:$rt), 30 [(set GPR32Op:$rd, (add GPR32Op:$rs, GPR32Op:$rt))]>; 31 32 let FastISelShouldIgnore = 1 in 33 def ADD_M : I<(outs GPR32MOp:$rd), (ins GPR32MOp:$rs, GPR32MOp:$rt), 34 [(set GPR32MOp:$rd, (add GPR32MOp:$rs, GPR32MOp:$rt))]>; 35 } 36 37 // CHECK-NOT: error: Duplicate predicate in FastISel table! 38
