glsl: Hide many classes local to individual .cpp files in anon namespaces.

This gives the compiler the chance to inline and not export class symbols
even in the absence of LTO.  Saves about 60kb on disk.

Reviewed-by: Kenneth Graunke <[email protected]>
Reviewed-by: Ian Romanick <[email protected]>

1 files changed, 4 insertions, 0 deletions

diff --git a/src/glsl/lower_output_reads.cpp b/src/glsl/lower_output_reads.cpp
index 5ba9720d0dc..128b0b8cdb2 100644
--- a/src/glsl/lower_output_reads.cpp
+++ b/src/glsl/lower_output_reads.cpp
@@ -37,6 +37,8 @@
  * main() function to copy the final values to the actual shader outputs.
  */
 
+namespace {
+
 class output_read_remover : public ir_hierarchical_visitor {
 protected:
    /**
@@ -55,6 +57,8 @@ public:
    virtual ir_visitor_status visit_leave(class ir_function_signature *);
 };
 
+} /* anonymous namespace */
+
 /**
  * Hash function for the output variables - computes the hash of the name.
  * NOTE: We're using the name string to ensure that the hash doesn't depend