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[IntrinsicEmitter] Remove GET_INTRINSIC_MODREF_BEHAVIOR table

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There is no need to generate separate table for intrinsics mod ref behaviour.
It can now be determined purely from function attributes.

Differential Revision: http://reviews.llvm.org/D13917

llvm-svn: 251040
This commit is contained in:
Igor Laevsky 2015-10-22 18:35:34 +00:00
parent ce6809b79e
commit cc1f4f3f3e
1 changed files with 0 additions and 41 deletions
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41
utils/TableGen/IntrinsicEmitter.cpp
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@ -50,8 +50,6 @@ public:
raw_ostream &OS);
void EmitAttributes(const std::vector<CodeGenIntrinsic> &Ints,
raw_ostream &OS);
void EmitModRefBehavior(const std::vector<CodeGenIntrinsic> &Ints,
raw_ostream &OS);
void EmitIntrinsicToGCCBuiltinMap(const std::vector<CodeGenIntrinsic> &Ints,
raw_ostream &OS);
void EmitIntrinsicToMSBuiltinMap(const std::vector<CodeGenIntrinsic> &Ints,
@ -92,9 +90,6 @@ void IntrinsicEmitter::run(raw_ostream &OS) {
// Emit the intrinsic parameter attributes.
EmitAttributes(Ints, OS);
// Emit intrinsic alias analysis mod/ref behavior.
EmitModRefBehavior(Ints, OS);
// Emit code to translate GCC builtins into LLVM intrinsics.
EmitIntrinsicToGCCBuiltinMap(Ints, OS);
@ -705,42 +700,6 @@ EmitAttributes(const std::vector<CodeGenIntrinsic> &Ints, raw_ostream &OS) {
OS << "#endif // GET_INTRINSIC_ATTRIBUTES\n\n";
}
/// 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"
<< "#ifdef GET_INTRINSIC_MODREF_BEHAVIOR\n"
<< "assert(iid <= Intrinsic::" << Ints.back().EnumName << " && "
<< "\"Unknown intrinsic.\");\n\n";
OS << "static const uint8_t IntrinsicModRefBehavior[] = {\n"
<< " /* invalid */ FMRB_UnknownModRefBehavior,\n";
for (unsigned i = 0, e = Ints.size(); i != e; ++i) {
OS << " /* " << TargetPrefix << Ints[i].EnumName << " */ ";
switch (Ints[i].ModRef) {
case CodeGenIntrinsic::NoMem:
OS << "FMRB_DoesNotAccessMemory,\n";
break;
case CodeGenIntrinsic::ReadArgMem:
OS << "FMRB_OnlyReadsArgumentPointees,\n";
break;
case CodeGenIntrinsic::ReadMem:
OS << "FMRB_OnlyReadsMemory,\n";
break;
case CodeGenIntrinsic::ReadWriteArgMem:
OS << "FMRB_OnlyAccessesArgumentPointees,\n";
break;
case CodeGenIntrinsic::ReadWriteMem:
OS << "FMRB_UnknownModRefBehavior,\n";
break;
}
}
OS << "};\n\n"
<< "return "
"static_cast<FunctionModRefBehavior>(IntrinsicModRefBehavior[iid]);\n"
<< "#endif // GET_INTRINSIC_MODREF_BEHAVIOR\n\n";
}
/// EmitTargetBuiltins - All of the builtins in the specified map are for the
/// same target, and we already checked it.
static void EmitTargetBuiltins(const std::map<std::string, std::string> &BIM,