I think all of my breakage is resolved, however, the attribuets
changes introduced a number of jit regressions. The problem is that
"exit" is now getting declared as:
declare void @exit(i32) noreturn nounwind
This is a problem for lli.cpp, because it does this:
Constant *Exit = Mod->getOrInsertFunction("exit", Type::VoidTy,
Type::Int32Ty, NULL);
...
if (Function *ExitF = dyn_cast<Function>(Exit)) {
...
} else {
std::cerr << "ERROR: exit defined with wrong prototype!\n";
abort();
The problem here is that getOrInsertFunction is returning a bitcast of
the exit function (with the type above) to a void(int)* type.
I think that getOrInsertFunction should just return the function (not
a bitcast) if the function type other than the attributes are the same.
-Chris
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