6502/llvm-6502
1
0
Fork 0
mirror of https://github.com/c64scene-ar/llvm-6502.git synced 2025-07-25 13:24:46 +00:00
Code Issues Projects Releases Wiki Activity

[weak vtables] Remove a bunch of weak vtables

Browse Source 
This patch removes most of the trivial cases of weak vtables by pinning them to
a single object file. The memory leaks in this version have been fixed. Thanks
Alexey for pointing them out.

Differential Revision: http://llvm-reviews.chandlerc.com/D2068

Reviewed by Andy

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@195064 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Juergen Ributzka
2013-11-19 00:57:56 +00:00
parent 26efdc5621
commit 354362524a
113 changed files with 506 additions and 152 deletions
Download Patch File Download Diff File Expand all files Collapse all files

70
utils/TableGen/CodeGenSchedule.cpp
View File

@@ -38,12 +38,16 @@ static void dumpIdxVec(const SmallVectorImpl<unsigned> &V) {
// (instrs a, b, ...) Evaluate and union all arguments. Identical to AddOp.
struct InstrsOp : public SetTheory::Operator {
void apply(SetTheory &ST, DagInit *Expr, SetTheory::RecSet &Elts,
ArrayRef<SMLoc> Loc) {
ST.evaluate(Expr->arg_begin(), Expr->arg_end(), Elts, Loc);
}
virtual void apply(SetTheory &ST, DagInit *Expr, SetTheory::RecSet &Elts,
ArrayRef<SMLoc> Loc);
};
// Provide out-of-line definition to prevent weak vtable.
void InstrsOp::apply(SetTheory &ST, DagInit *Expr, SetTheory::RecSet &Elts,
ArrayRef<SMLoc> Loc) {
ST.evaluate(Expr->arg_begin(), Expr->arg_end(), Elts, Loc);
}
// (instregex "OpcPat",...) Find all instructions matching an opcode pattern.
//
// TODO: Since this is a prefix match, perform a binary search over the
@@ -56,35 +60,39 @@ struct InstRegexOp : public SetTheory::Operator {
const CodeGenTarget &Target;
InstRegexOp(const CodeGenTarget &t): Target(t) {}
void apply(SetTheory &ST, DagInit *Expr, SetTheory::RecSet &Elts,
ArrayRef<SMLoc> Loc) {
SmallVector<Regex*, 4> RegexList;
for (DagInit::const_arg_iterator
AI = Expr->arg_begin(), AE = Expr->arg_end(); AI != AE; ++AI) {
StringInit *SI = dyn_cast<StringInit>(*AI);
if (!SI)
PrintFatalError(Loc, "instregex requires pattern string: "
+ Expr->getAsString());
std::string pat = SI->getValue();
// Implement a python-style prefix match.
if (pat[0] != '^') {
pat.insert(0, "^(");
pat.insert(pat.end(), ')');
}
RegexList.push_back(new Regex(pat));
}
for (CodeGenTarget::inst_iterator I = Target.inst_begin(),
E = Target.inst_end(); I != E; ++I) {
for (SmallVectorImpl<Regex*>::iterator
RI = RegexList.begin(), RE = RegexList.end(); RI != RE; ++RI) {
if ((*RI)->match((*I)->TheDef->getName()))
Elts.insert((*I)->TheDef);
}
}
DeleteContainerPointers(RegexList);
}
virtual void apply(SetTheory &ST, DagInit *Expr, SetTheory::RecSet &Elts,
ArrayRef<SMLoc> Loc);
};
// Provide out-of-line definition to prevent weak vtable.
void InstRegexOp::apply(SetTheory &ST, DagInit *Expr, SetTheory::RecSet &Elts,
ArrayRef<SMLoc> Loc) {
SmallVector<Regex*, 4> RegexList;
for (DagInit::const_arg_iterator
AI = Expr->arg_begin(), AE = Expr->arg_end(); AI != AE; ++AI) {
StringInit *SI = dyn_cast<StringInit>(*AI);
if (!SI)
PrintFatalError(Loc, "instregex requires pattern string: "
+ Expr->getAsString());
std::string pat = SI->getValue();
// Implement a python-style prefix match.
if (pat[0] != '^') {
pat.insert(0, "^(");
pat.insert(pat.end(), ')');
}
RegexList.push_back(new Regex(pat));
}
for (CodeGenTarget::inst_iterator I = Target.inst_begin(),
E = Target.inst_end(); I != E; ++I) {
for (SmallVectorImpl<Regex*>::iterator
RI = RegexList.begin(), RE = RegexList.end(); RI != RE; ++RI) {
if ((*RI)->match((*I)->TheDef->getName()))
Elts.insert((*I)->TheDef);
}
}
DeleteContainerPointers(RegexList);
}
/// CodeGenModels ctor interprets machine model records and populates maps.
CodeGenSchedModels::CodeGenSchedModels(RecordKeeper &RK,
const CodeGenTarget &TGT):