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intel/compiler: Introduce backend_shader method to propagate IR changes to analysis passes

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The invalidate_analysis() method knows what analysis passes there are
in the back-end and calls their invalidate() method to report changes
in the IR.  For the moment it just calls invalidate_live_intervals()
(which will eventually be fully replaced by this function) if anything
changed.

This makes all optimization passes invalidate DEPENDENCY_EVERYTHING,
which is clearly far from ideal -- The dependency classes passed to
invalidate_analysis() will be refined in a future commit.

Reviewed-by: Matt Turner <mattst88@gmail.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/4012>
This commit is contained in:
Francisco Jerez
2016-03-12 18:50:24 -08:00
committed by Matt Turner
parent 03eb46f4a7
commit d966a6b4c4
24 changed files with 93 additions and 52 deletions
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4
src/intel/compiler/brw_schedule_instructions.cpp
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@@ -1839,7 +1839,7 @@ fs_visitor::schedule_instructions(instruction_scheduler_mode mode)
cfg->num_blocks, mode);
sched.run(cfg);
invalidate_live_intervals();
invalidate_analysis(DEPENDENCY_EVERYTHING);
}
void
@@ -1848,5 +1848,5 @@ vec4_visitor::opt_schedule_instructions()
vec4_instruction_scheduler sched(this, prog_data->total_grf);
sched.run(cfg);
invalidate_live_intervals();
invalidate_analysis(DEPENDENCY_EVERYTHING);
}