forked from OSchip/llvm-project
Add a flag to enable a darwin linker optimization
llvm-svn: 24130
This commit is contained in:
parent
6b63e0c6fd
commit
7432ceef5c
|
@ -567,6 +567,13 @@ bool DarwinAsmPrinter::doFinalization(Module &M) {
|
|||
<< "\t.long\t" << *i << '\n';
|
||||
}
|
||||
|
||||
// Funny Darwin hack: This flag tells the linker that no global symbols
|
||||
// contain code that falls through to other global symbols (e.g. the obvious
|
||||
// implementation of multiple entry points). If this doesn't occur, the
|
||||
// linker can safely perform dead code stripping. Since LLVM never generates
|
||||
// code that does this, it is always safe to set.
|
||||
O << "\t.subsections_via_symbols\n";
|
||||
|
||||
AsmPrinter::doFinalization(M);
|
||||
return false; // success
|
||||
}
|
||||
|
@ -711,7 +718,6 @@ bool AIXAsmPrinter::doFinalization(Module &M) {
|
|||
O << "_section_.text:\n"
|
||||
<< "\t.csect .data[RW],3\n"
|
||||
<< "\t.llong _section_.text\n";
|
||||
|
||||
delete Mang;
|
||||
return false; // success
|
||||
}
|
||||
|
|
Loading…
Reference in New Issue