1 files changed, 44 insertions, 0 deletions
diff --git a/test/TableGen/trydecode-emission2.td b/test/TableGen/trydecode-emission2.td
new file mode 100644
index 000000000000..56ca6d33c241
--- /dev/null
+++ b/test/TableGen/trydecode-emission2.td
@@ -0,0 +1,44 @@
+// RUN: llvm-tblgen -gen-disassembler -I %p/../../include %s | FileCheck %s
+
+include "llvm/Target/Target.td"
+
+def archInstrInfo : InstrInfo { }
+
+def arch : Target {
+  let InstructionSet = archInstrInfo;
+}
+
+class TestInstruction : Instruction {
+  let Size = 1;
+  let OutOperandList = (outs);
+  let InOperandList = (ins);
+  field bits<8> Inst;
+  field bits<8> SoftFail = 0;
+}
+
+def InstA : TestInstruction {
+  let Inst = {0,0,0,0,0,0,?,?};
+  let AsmString = "InstA";
+  let DecoderMethod = "DecodeInstA";
+  let hasCompleteDecoder = 0;
+}
+
+def InstB : TestInstruction {
+  let Inst = {0,0,0,?,?,0,1,1};
+  let AsmString = "InstB";
+  let DecoderMethod = "DecodeInstB";
+  let hasCompleteDecoder = 0;
+}
+
+// CHECK:      /* 0 */       MCD::OPC_ExtractField, 2, 1,  // Inst{2} ...
+// CHECK-NEXT: /* 3 */       MCD::OPC_FilterValue, 0, 29, 0, // Skip to: 36
+// CHECK-NEXT: /* 7 */       MCD::OPC_ExtractField, 5, 3,  // Inst{7-5} ...
+// CHECK-NEXT: /* 10 */      MCD::OPC_FilterValue, 0, 22, 0, // Skip to: 36
+// CHECK-NEXT: /* 14 */      MCD::OPC_CheckField, 0, 2, 3, 5, 0, // Skip to: 25
+// CHECK-NEXT: /* 20 */      MCD::OPC_TryDecode, 24, 0, 0, 0, // Opcode: InstB, skip to: 25
+// CHECK-NEXT: /* 25 */      MCD::OPC_CheckField, 3, 2, 0, 5, 0, // Skip to: 36
+// CHECK-NEXT: /* 31 */      MCD::OPC_TryDecode, 23, 1, 0, 0, // Opcode: InstA, skip to: 36
+// CHECK-NEXT: /* 36 */      MCD::OPC_Fail,
+
+// CHECK: if (DecodeInstB(MI, insn, Address, Decoder) == MCDisassembler::Fail) { DecodeComplete = false; return MCDisassembler::Fail; }
+// CHECK: if (DecodeInstA(MI, insn, Address, Decoder) == MCDisassembler::Fail) { DecodeComplete = false; return MCDisassembler::Fail; }