No, you probably haven't. I was seeing it as clang doing to lto link of the
module together and then codegen based on that (which means it would have the
options), but...
That said, I think the general problem is more specific. I.e. how do you
specify -msse3 as part of the default code generation flags when you do lto?
The C++ interface has addAttr (which is painful in that it requires, as you
say, every linker to understand llvm's command line interface), but this is
also pretty painful:
const void *compile(size_t *length,
bool disableOpt,
bool disableInline,
bool disableGVNLoadPRE,
bool disableVectorization,
std::string &errMsg);
because, you know, all optimizations, inlining, gvnloadpre, and vectorization
are all anyone care about :)
Realize this has dovetailed into "let's solve the general problem" but I am
curious. The gold plugin's methods aren't much better.
Or am I missing something?
-eric
http://reviews.llvm.org/D7968
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