[LLVMdev] _Znwm is not a builtin
chandlerc at google.com
Wed May 15 20:59:24 PDT 2013
On Wed, May 15, 2013 at 9:46 PM, Chris Lattner <clattner at apple.com> wrote:
> It's not clear to me that "builtin" is the right way to model this, but it
> definitely sounds like this should be an attribute on a call site (as
> opposed to on the function itself). What specific kinds of optimizations
> are we interested in doing to _Znwm calls?
You can see the paper to the C++ committee, but my primary goals.
1) run SROA over heap memory
2) pool together heap allocations on the same CFG trace
3) promote (sufficiently small and lifetime bounded) heap allocations to
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