xref: /llvm-project/llvm/test/TableGen/AsmPredicateCombining.td (revision 45f3a5aae7320a847bbcb24eca0a33e933ec8561)
1// RUN: llvm-tblgen -gen-disassembler -I %p/../../include %s | \
2// RUN:     FileCheck --check-prefix=DISASS %s
3// RUN: llvm-tblgen -gen-asm-matcher -I %p/../../include %s | \
4// RUN:     FileCheck --check-prefix=MATCHER %s
5// RUN: llvm-tblgen -gen-asm-writer -I %p/../../include %s | \
6// RUN:     FileCheck --check-prefix=WRITER %s
7
8// Check that combining conditions in AssemblerPredicate generates the correct
9// output when using both the (all_of) AND operator, and the (any_of) OR
10// operator.
11
12include "llvm/Target/Target.td"
13
14def archInstrInfo : InstrInfo { }
15def archAsmWriter : AsmWriter {
16  int PassSubtarget = 1;
17}
18
19def arch : Target {
20  let InstructionSet = archInstrInfo;
21  let AssemblyWriters = [archAsmWriter];
22}
23
24let Namespace = "arch" in {
25  def R0 : Register<"r0">;
26  def R1 : Register<"r1">;
27  def R2 : Register<"r2">;
28  def R3 : Register<"r3">;
29  def R4 : Register<"r4">;
30}
31def Regs : RegisterClass<"Regs", [i32], 32, (add R0, R1, R2, R3, R4)>;
32
33class TestInsn<int Opc, list<Predicate> Preds> : Instruction {
34  let Size = 2;
35  let OutOperandList = (outs);
36  let InOperandList = (ins Regs:$r);
37  field bits<16> Inst;
38  let Inst = Opc;
39  let AsmString = NAME # " $r";
40  field bits<16> SoftFail = 0;
41  let Predicates = Preds;
42}
43
44
45def AsmCond1 : SubtargetFeature<"cond1", "cond1", "true", "">;
46def AsmCond2a: SubtargetFeature<"cond2a", "cond2a", "true", "">;
47def AsmCond2b: SubtargetFeature<"cond2b", "cond2b", "true", "">;
48def AsmCond3a: SubtargetFeature<"cond3a", "cond3a", "true", "">;
49def AsmCond3b: SubtargetFeature<"cond3b", "cond3b", "true", "">;
50def AsmCond4 : SubtargetFeature<"cond4", "cond4", "true", "">;
51
52def AsmPred1 : Predicate<"Pred1">, AssemblerPredicate<(all_of AsmCond1)>;
53def AsmPred2 : Predicate<"Pred2">, AssemblerPredicate<(all_of AsmCond2a, AsmCond2b)>;
54def AsmPred3 : Predicate<"Pred3">, AssemblerPredicate<(any_of AsmCond3a, AsmCond3b)>;
55def AsmPred4 : Predicate<"Pred4">, AssemblerPredicate<(all_of AsmCond4, (not (any_of AsmCond3a, AsmCond3b)))>;
56// MATCHER:      if (FB[arch::AsmCond1])
57// MATCHER-NEXT:   Features.set(Feature_AsmPred1Bit);
58// MATCHER-NEXT: if (FB[arch::AsmCond2a] && FB[arch::AsmCond2b])
59// MATCHER-NEXT:   Features.set(Feature_AsmPred2Bit);
60// MATCHER-NEXT: if (FB[arch::AsmCond3a] || FB[arch::AsmCond3b])
61// MATCHER-NEXT:   Features.set(Feature_AsmPred3Bit);
62// MATCHER-NEXT: if (FB[arch::AsmCond4] && !(FB[arch::AsmCond3a] || FB[arch::AsmCond3b]))
63// MATCHER-NEXT:   Features.set(Feature_AsmPred4Bit);
64
65def insn1 : TestInsn<1, [AsmPred1]>;
66// DISASS: return (Bits[arch::AsmCond1]);
67
68def insn2 : TestInsn<2, [AsmPred2]>;
69// DISASS: return (Bits[arch::AsmCond2a] && Bits[arch::AsmCond2b])
70
71def insn3 : TestInsn<3, [AsmPred3]>;
72// DISASS: return (Bits[arch::AsmCond3a] || Bits[arch::AsmCond3b])
73
74def insn4 : TestInsn<4, [AsmPred1, AsmPred2]>;
75// DISASS: return (Bits[arch::AsmCond1] && (Bits[arch::AsmCond2a] && Bits[arch::AsmCond2b]))
76
77def insn5 : TestInsn<5, [AsmPred1, AsmPred3]>;
78// DISASS: return (Bits[arch::AsmCond1] && (Bits[arch::AsmCond3a] || Bits[arch::AsmCond3b]))
79
80def insn6 : TestInsn<6, []>;
81def : InstAlias<"alias1", (insn6 R0)> { let Predicates = [AsmPred1]; }
82// WRITER:      // (insn6 R0)
83// WRITER-NEXT: {AliasPatternCond::K_Reg, arch::R0},
84// WRITER-NEXT: {AliasPatternCond::K_Feature, arch::AsmCond1},
85def : InstAlias<"alias2", (insn6 R1)> { let Predicates = [AsmPred2]; }
86// WRITER:      // (insn6 R1)
87// WRITER-NEXT: {AliasPatternCond::K_Reg, arch::R1},
88// WRITER-NEXT: {AliasPatternCond::K_Feature, arch::AsmCond2a},
89// WRITER-NEXT: {AliasPatternCond::K_Feature, arch::AsmCond2b},
90def : InstAlias<"alias3", (insn6 R2)> { let Predicates = [AsmPred3]; }
91// WRITER:      // (insn6 R2)
92// WRITER-NEXT: {AliasPatternCond::K_Reg, arch::R2},
93// WRITER-NEXT: {AliasPatternCond::K_OrFeature, arch::AsmCond3a},
94// WRITER-NEXT: {AliasPatternCond::K_OrFeature, arch::AsmCond3b},
95// WRITER-NEXT: {AliasPatternCond::K_EndOrFeatures, 0},
96def : InstAlias<"alias4", (insn6 R3)> { let Predicates = [AsmPred1, AsmPred2]; }
97// WRITER:      // (insn6 R3)
98// WRITER-NEXT: {AliasPatternCond::K_Reg, arch::R3},
99// WRITER-NEXT: {AliasPatternCond::K_Feature, arch::AsmCond1},
100// WRITER-NEXT: {AliasPatternCond::K_Feature, arch::AsmCond2a},
101// WRITER-NEXT: {AliasPatternCond::K_Feature, arch::AsmCond2b},
102def : InstAlias<"alias5", (insn6 R4)> { let Predicates = [AsmPred1, AsmPred3]; }
103// WRITER:      // (insn6 R4)
104// WRITER-NEXT: {AliasPatternCond::K_Reg, arch::R4},
105// WRITER-NEXT: {AliasPatternCond::K_Feature, arch::AsmCond1},
106// WRITER-NEXT: {AliasPatternCond::K_OrFeature, arch::AsmCond3a},
107// WRITER-NEXT: {AliasPatternCond::K_OrFeature, arch::AsmCond3b},
108// WRITER-NEXT: {AliasPatternCond::K_EndOrFeatures, 0},
109