diff options
| -rw-r--r-- | utils/TableGen/IntrinsicEmitter.cpp | 34 |
1 files changed, 18 insertions, 16 deletions
diff --git a/utils/TableGen/IntrinsicEmitter.cpp b/utils/TableGen/IntrinsicEmitter.cpp index b17212bf11..c5e36239a5 100644 --- a/utils/TableGen/IntrinsicEmitter.cpp +++ b/utils/TableGen/IntrinsicEmitter.cpp @@ -618,34 +618,36 @@ EmitAttributes(const std::vector<CodeGenIntrinsic> &Ints, raw_ostream &OS) { /// EmitModRefBehavior - Determine intrinsic alias analysis mod/ref behavior. void IntrinsicEmitter:: EmitModRefBehavior(const std::vector<CodeGenIntrinsic> &Ints, raw_ostream &OS){ - OS << "// Determine intrinsic alias analysis mod/ref behavior.\n"; - OS << "#ifdef GET_INTRINSIC_MODREF_BEHAVIOR\n"; - OS << "switch (iid) {\n"; - OS << "default:\n return UnknownModRefBehavior;\n"; + OS << "// Determine intrinsic alias analysis mod/ref behavior.\n" + << "#ifdef GET_INTRINSIC_MODREF_BEHAVIOR\n" + << "assert(iid <= Intrinsic::" << Ints.back().EnumName << " && " + << "\"Unknown intrinsic.\");\n\n"; + + OS << "static const uint8_t IntrinsicModRefBehavior[] = {\n" + << " /* invalid */ UnknownModRefBehavior,\n"; for (unsigned i = 0, e = Ints.size(); i != e; ++i) { - if (Ints[i].ModRef == CodeGenIntrinsic::ReadWriteMem) - continue; - OS << "case " << TargetPrefix << "Intrinsic::" << Ints[i].EnumName - << ":\n"; + OS << " /* " << TargetPrefix << Ints[i].EnumName << " */ "; switch (Ints[i].ModRef) { - default: - assert(false && "Unknown Mod/Ref type!"); case CodeGenIntrinsic::NoMem: - OS << " return DoesNotAccessMemory;\n"; + OS << "DoesNotAccessMemory,\n"; break; case CodeGenIntrinsic::ReadArgMem: - OS << " return OnlyReadsArgumentPointees;\n"; + OS << "OnlyReadsArgumentPointees,\n"; break; case CodeGenIntrinsic::ReadMem: - OS << " return OnlyReadsMemory;\n"; + OS << "OnlyReadsMemory,\n"; break; case CodeGenIntrinsic::ReadWriteArgMem: - OS << " return OnlyAccessesArgumentPointees;\n"; + OS << "OnlyAccessesArgumentPointees,\n"; + break; + case CodeGenIntrinsic::ReadWriteMem: + OS << "UnknownModRefBehavior,\n"; break; } } - OS << "}\n"; - OS << "#endif // GET_INTRINSIC_MODREF_BEHAVIOR\n\n"; + OS << "};\n\n" + << "return static_cast<ModRefBehavior>(IntrinsicModRefBehavior[iid]);\n" + << "#endif // GET_INTRINSIC_MODREF_BEHAVIOR\n\n"; } void IntrinsicEmitter:: |