tmsriram added inline comments.
================
Comment at: lib/CodeGen/CGCall.cpp:1859
+ if (auto *Fn = dyn_cast<FunctionDecl>(TargetDecl)) {
+ if (!Fn->isDefined() && !AttrOnCallSite) {
+ FuncAttrs.addAttribute(llvm::Attribute::NonLazyBind);
----------------
rnk wrote:
> Remind me what happens when the definition is within the current DSO after
> linking. I seem to recall that the call through memory is 6 bytes and the
> direct pcrel call is 5 bytes, and the linker is required to know to rewrite
> the indirect call to a nop. Is that accurate?
That's accurate, the linker rewrites it with a nop equivalent.
https://reviews.llvm.org/D39079
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