LLVM  8.0.0svn
TargetOpcodes.h
Go to the documentation of this file.
1 //===-- llvm/CodeGen/TargetOpcodes.h - Target Indep Opcodes -----*- C++ -*-===//
2 //
3 // The LLVM Compiler Infrastructure
4 //
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
7 //
8 //===----------------------------------------------------------------------===//
9 //
10 // This file defines the target independent instruction opcodes.
11 //
12 //===----------------------------------------------------------------------===//
13 
14 #ifndef LLVM_CODEGEN_TARGETOPCODES_H
15 #define LLVM_CODEGEN_TARGETOPCODES_H
16 
17 namespace llvm {
18 
19 /// Invariant opcodes: All instruction sets have these as their low opcodes.
20 ///
21 namespace TargetOpcode {
22 enum {
23 #define HANDLE_TARGET_OPCODE(OPC) OPC,
24 #define HANDLE_TARGET_OPCODE_MARKER(IDENT, OPC) IDENT = OPC,
25 #include "llvm/Support/TargetOpcodes.def"
26 };
27 } // end namespace TargetOpcode
28 
29 /// Check whether the given Opcode is a generic opcode that is not supposed
30 /// to appear after ISel.
31 inline bool isPreISelGenericOpcode(unsigned Opcode) {
32  return Opcode >= TargetOpcode::PRE_ISEL_GENERIC_OPCODE_START &&
33  Opcode <= TargetOpcode::PRE_ISEL_GENERIC_OPCODE_END;
34 }
35 
36 /// Check whether the given Opcode is a target-specific opcode.
37 inline bool isTargetSpecificOpcode(unsigned Opcode) {
38  return Opcode > TargetOpcode::PRE_ISEL_GENERIC_OPCODE_END;
39 }
40 } // end namespace llvm
41 
42 #endif
This class represents lattice values for constants.
Definition: AllocatorList.h:24
bool isTargetSpecificOpcode(unsigned Opcode)
Check whether the given Opcode is a target-specific opcode.
Definition: TargetOpcodes.h:37
bool isPreISelGenericOpcode(unsigned Opcode)
Check whether the given Opcode is a generic opcode that is not supposed to appear after ISel...
Definition: TargetOpcodes.h:31