Mesa (7.10): linker: Add imported functions to the linked IR

[Ian Romanick]

Module: Mesa
Branch: 7.10
Commit: 55d86204f3f659fadc8e6dee694147afc35dfd97
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=55d86204f3f659fadc8e6dee694147afc35dfd97

Author: Ian Romanick <ian.d.romanick at intel.com>
Date:   Tue Mar  8 11:41:35 2011 -0800

linker: Add imported functions to the linked IR

Fixes piglit test glsl-function-chain16 and bugzilla #34203.

NOTE: This is a candidate for stable release branches.
(cherry picked from commit 60f898a90ebd29d2593866faa1f2d6f65961a414)

---

 src/glsl/link_functions.cpp |    8 +++++++-
 1 files changed, 7 insertions(+), 1 deletions(-)

diff --git a/src/glsl/link_functions.cpp b/src/glsl/link_functions.cpp
index 19a2eeb..256652a 100644
--- a/src/glsl/link_functions.cpp
+++ b/src/glsl/link_functions.cpp
@@ -103,9 +103,15 @@ public:
        * details that may be missing.
        */
       ir_function *f = linked->symbols->get_function(name);
-      if (f == NULL)
+      if (f == NULL) {
 	 f = new(linked) ir_function(name);
 
+	 /* Add the new function to the linked IR.
+	  */
+	 linked->symbols->add_function(f);
+	 linked->ir->push_head(f);
+      }
+
       ir_function_signature *linked_sig =
 	 f->exact_matching_signature(&callee->parameters);
       if (linked_sig == NULL) {