This patch extends verifier to check that all probabilities and counts are
initialized if profile is supposed to be present. This is a bit complicated
by the posibility that we inline !flag_guess_branch_probability function
into function with profile defined and in this case we need to stop
verification. For this reason I added flag to cfg structure tracking this.
Bootstrapped/regtested x86_64-linux, comitted.
gcc/ChangeLog:
* cfg.h (struct control_flow_graph): New field full_profile.
* auto-profile.cc (afdo_annotate_cfg): Set full_profile to true.
* cfg.cc (init_flow): Set full_profile to false.
* graphite.cc (graphite_transform_loops): Set full_profile to false.
* lto-streamer-in.cc (input_cfg): Initialize full_profile flag.
* predict.cc (pass_profile::execute): Set full_profile to true.
* symtab-thunks.cc (expand_thunk): Set full_profile to true.
* tree-cfg.cc (gimple_verify_flow_info): Verify that profile is full
if full_profile is set.
* tree-inline.cc (initialize_cfun): Initialize full_profile.
(expand_call_inline): Combine full_profile.