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

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 <[email protected]>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/4012>

1 files changed, 2 insertions, 2 deletions

diff --git a/src/intel/compiler/brw_schedule_instructions.cpp b/src/intel/compiler/brw_schedule_instructions.cpp
index 9c78944cf68..826f2e771e3 100644
--- a/src/intel/compiler/brw_schedule_instructions.cpp
+++ b/src/intel/compiler/brw_schedule_instructions.cpp
@@ -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);
 }