[Mesa-dev] [PATCH 03/15] i965/cfg: Rework to make IF & ELSE blocks flow into ENDIF.

[Matt Turner]

And since this change makes ENDIF start blocks, I'll squash this
change in as well to make sure dead_control_flow_eliminate continues
working:

diff --git a/src/mesa/drivers/dri/i965/brw_dead_control_flow.cpp
b/src/mesa/drivers/dri/i965/brw_dead_control_flow.cpp
index ad8ed82..63a3e5b 100644
--- a/src/mesa/drivers/dri/i965/brw_dead_control_flow.cpp
+++ b/src/mesa/drivers/dri/i965/brw_dead_control_flow.cpp
@@ -45,10 +45,10 @@ dead_control_flow_eliminate(backend_visitor *v)
       bblock_t *block = cfg.blocks[b];
       bool found = false;

-      /* ENDIF instructions, by definition, can only be found at the ends of
+      /* ENDIF instructions, by definition, can only be found at the start of
        * basic blocks.
        */
-      backend_instruction *endif_inst = block->end;
+      backend_instruction *endif_inst = block->start;
       if (endif_inst->opcode != BRW_OPCODE_ENDIF)
          continue;