Ilod added a comment.
I don't think weak linkage defines this.
For example, in:
struct A {
inline int foo() { return 0; }
int bar() { return 1; }
int baz();
};
int A::baz() { return 2; }
With /Ob1, we should inline foo and bar, but never baz. But baz doesn't have
weak linkage, does it?
But indeed, if in CodeGenFunctions.cpp, instead of adding InlineHint attribute
when we have isInlined(), I add noinline attribute if we don't have it (with
/Ob1 or equivalent clang flag), I could avoid the work I started to inline only
hinted functions at http://reviews.llvm.org/D20603
http://reviews.llvm.org/D20647
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