i965/fs: Add a very basic validation pass

Currently the validation pass only validates that regs_read and
regs_written are consistent with the sizes of VGRF's.  We can add more as
we find it to be useful.

Reviewed-by: Matt Turner <[email protected]>

1 files changed, 1 insertions, 0 deletions

diff --git a/src/mesa/drivers/dri/i965/brw_fs.h b/src/mesa/drivers/dri/i965/brw_fs.h
index 5880f690ef1..1886dd8e5ff 100644
--- a/src/mesa/drivers/dri/i965/brw_fs.h
+++ b/src/mesa/drivers/dri/i965/brw_fs.h
@@ -151,6 +151,7 @@ public:
    void invalidate_live_intervals();
    void calculate_live_intervals();
    void calculate_register_pressure();
+   void validate();
    bool opt_algebraic();
    bool opt_redundant_discard_jumps();
    bool opt_cse();