170ad2335e
### Summary Fix optional operand mask indexing in the generated asm matcher when HasMnemonicFirst is false.
65 lines
1.7 KiB
TableGen
65 lines
1.7 KiB
TableGen
// RUN: llvm-tblgen -gen-asm-matcher -I %p/../../include %s | FileCheck %s
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// Check that specifying AsmVariant works correctly
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include "llvm/Target/Target.td"
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def ArchParser : AsmParser {
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let HasMnemonicFirst = 0;
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}
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def Arch : Target {
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let AssemblyParsers = [ArchParser];
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}
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def Reg : Register<"reg">;
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def RegClass : RegisterClass<"foo", [i32], 0, (add Reg)>;
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def OptinalAsmOperand :AsmOperandClass {
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let Name = "OptinalAsmOperand";
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let RenderMethod = "addOptinalAsmOperand";
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let IsOptional = 1;
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}
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def OptinalOperand : Operand<i32> {
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let OperandNamespace = "Arch";
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let OperandType = "OPERAND_INPUT_MODS";
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let PrintMethod = "printOptinalOperand";
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let ParserMatchClass = OptinalAsmOperand;
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}
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class InstCommonBase {
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field bits<64> Inst;
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}
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def foo : Instruction, InstCommonBase {
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bits<32> optinalOp;
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let Size = 2;
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let OutOperandList = (outs);
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let InOperandList = (ins OptinalOperand:$optinalOp);
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let AsmString = "$optinalOp\tfoo";
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let Namespace = "Arch";
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let Inst{22 - 10} = optinalOp{12 - 0};
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}
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// CHECK: if (OptionalOperandsMask[*(p + 1)]) {
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// CHECK: SmallBitVector OptionalOperandsMask(2);
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// CHECK: OptionalOperandsMask.reset(0, 2);
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// CHECK: if (Formal == InvalidMatchClass) {
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// CHECK-NEXT: OptionalOperandsMask.set(FormalIdx, 2);
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// CHECK: if (isSubclass(Formal, OptionalMatchClass)) {
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// CHECK-NEXT: OptionalOperandsMask.set(FormalIdx);
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// CHECK: if (Diag == Match_InvalidOperand && isSubclass(Formal, OptionalMatchClass)) {
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// CHECK-NEXT: OptionalOperandsMask.set(FormalIdx);
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// CHECK: for (unsigned i = 0, NumDefaults = 0; i < 2; ++i) {
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// CHECK-NEXT: NumDefaults += (OptionalOperandsMask[i] ? 1 : 0);
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// CHECK-NEXT: DefaultsOffset[i + 1] = NumDefaults;
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// CHECK-NEXT: }
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