intel/brw: Move idom_tree declaration to brw_analysis.h

Reviewed-by: Lionel Landwerlin <lionel.g.landwerlin@intel.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/33048>

src/intel/compiler/brw_analysis.h

@@ -13,6 +13,65 @@
 struct fs_visitor;
 
 namespace brw {
+   /**
+    * Immediate dominator tree analysis of a shader.
+    */
+   struct idom_tree {
+      idom_tree(const fs_visitor *s);
+      ~idom_tree();
+
+      bool
+      validate(const fs_visitor *) const
+      {
+         /* FINISHME */
+         return true;
+      }
+
+      analysis_dependency_class
+      dependency_class() const
+      {
+         return DEPENDENCY_BLOCKS;
+      }
+
+      const bblock_t *
+      parent(const bblock_t *b) const
+      {
+         assert(unsigned(b->num) < num_parents);
+         return parents[b->num];
+      }
+
+      bblock_t *
+      parent(bblock_t *b) const
+      {
+         assert(unsigned(b->num) < num_parents);
+         return parents[b->num];
+      }
+
+      bblock_t *
+      intersect(bblock_t *b1, bblock_t *b2) const;
+
+      /**
+       * Returns true if block `a` dominates block `b`.
+       */
+      bool
+      dominates(const bblock_t *a, const bblock_t *b) const
+      {
+         while (a != b) {
+            if (b->num == 0)
+               return false;
+
+            b = parent(b);
+         }
+         return true;
+      }
+
+      void dump(FILE *file = stderr) const;
+
+   private:
+      unsigned num_parents;
+      bblock_t **parents;
+   };
+
    /**
     * Register pressure analysis of a shader.  Estimates how many registers
     * are live at any point of the program in GRF units.

src/intel/compiler/brw_cfg.h

@@ -32,7 +32,6 @@ struct bblock_t;
 #ifdef __cplusplus
 
 #include "brw_inst.h"
-#include "brw_ir_analysis.h"
 
 struct bblock_t;
 
@@ -471,65 +470,4 @@ cfg_t::adjust_block_ips()
    }
 }
 
-namespace brw {
-   /**
-    * Immediate dominator tree analysis of a shader.
-    */
-   struct idom_tree {
-      idom_tree(const fs_visitor *s);
-      ~idom_tree();
-
-      bool
-      validate(const fs_visitor *) const
-      {
-         /* FINISHME */
-         return true;
-      }
-
-      analysis_dependency_class
-      dependency_class() const
-      {
-         return DEPENDENCY_BLOCKS;
-      }
-
-      const bblock_t *
-      parent(const bblock_t *b) const
-      {
-         assert(unsigned(b->num) < num_parents);
-         return parents[b->num];
-      }
-
-      bblock_t *
-      parent(bblock_t *b) const
-      {
-         assert(unsigned(b->num) < num_parents);
-         return parents[b->num];
-      }
-
-      bblock_t *
-      intersect(bblock_t *b1, bblock_t *b2) const;
-
-      /**
-       * Returns true if block `a` dominates block `b`.
-       */
-      bool
-      dominates(const bblock_t *a, const bblock_t *b) const
-      {
-         while (a != b) {
-            if (b->num == 0)
-               return false;
-
-            b = parent(b);
-         }
-         return true;
-      }
-
-      void dump(FILE *file = stderr) const;
-
-   private:
-      unsigned num_parents;
-      bblock_t **parents;
-   };
-}
-
 #endif