1 files changed, 33 insertions, 0 deletions
diff --git a/lib/Target/BPF/BPFInstrFormats.td b/lib/Target/BPF/BPFInstrFormats.td
new file mode 100644
index 0000000..53f3ad6
--- /dev/null
+++ b/lib/Target/BPF/BPFInstrFormats.td
@@ -0,0 +1,33 @@
+//===-- BPFInstrFormats.td - BPF Instruction Formats -------*- tablegen -*-===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+class InstBPF<dag outs, dag ins, string asmstr, list<dag> pattern>
+  : Instruction {
+  field bits<64> Inst;
+  field bits<64> SoftFail = 0;
+  let Size = 8;
+
+  let Namespace = "BPF";
+  let DecoderNamespace = "BPF";
+
+  bits<3> BPFClass;
+  let Inst{58-56} = BPFClass;
+
+  dag OutOperandList = outs;
+  dag InOperandList = ins;
+  let AsmString = asmstr;
+  let Pattern = pattern;
+}
+
+// Pseudo instructions
+class Pseudo<dag outs, dag ins, string asmstr, list<dag> pattern>
+  : InstBPF<outs, ins, asmstr, pattern> {
+  let Inst{63-0} = 0;
+  let isPseudo = 1;
+}