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2015 Feb 19
3
[LLVMdev] Patchpoints used for inline caches and pointless reloads
Hi All,
I am observing something i suspect is a misbehaviour of the register
allocator which impacts the performance of patchpoints. This occurs in
the context of an abstract machine which in some places uses inline
caches. The problematic code looks like this:
entry: ; Initialize the abstract machine
%db = call create_big_seldom_used_database()
; do a lot of things which increases register