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fog_start
2008 Oct 31
0
[LLVMdev] Identifying hotspot blocks
...serted a dummy function say
foo(), and am using a function call to foo(); before and after the hot spots
in the code to act as a marker for me in the assembly code. I then would
like to use the SCC call graph pass in the code and only extract the
signature features for blocks which come between two foo_start() and
foo_end() function calls.
Can anyone please comment on how I can implement this, I am relatively new
to llvm, but Im guessing if I need generate a pass which can show me the
whole CFG in a stack and then do analysis of different blocks. Maybe inherit
a pass from SCCCallgraphPass and BlockGra...