Mesa (master): draw: Fix memory leaks in llvm code.

[Jose Fonseca]

Module: Mesa
Branch: master
Commit: e9bf09a98a624e594bdea2503326bb693b8cf9b8
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=e9bf09a98a624e594bdea2503326bb693b8cf9b8

Author: José Fonseca <jfonseca at vmware.com>
Date:   Fri Apr 30 19:00:58 2010 +0100

draw: Fix memory leaks in llvm code.

---

 src/gallium/auxiliary/draw/draw_llvm.c             |    2 +
 .../draw/draw_pt_fetch_shade_pipeline_llvm.c       |   24 ++++++++++++++++++++
 2 files changed, 26 insertions(+), 0 deletions(-)

diff --git a/src/gallium/auxiliary/draw/draw_llvm.c b/src/gallium/auxiliary/draw/draw_llvm.c
index 3b2df05..2c23428 100644
--- a/src/gallium/auxiliary/draw/draw_llvm.c
+++ b/src/gallium/auxiliary/draw/draw_llvm.c
@@ -207,6 +207,8 @@ draw_llvm_create(struct draw_context *draw)
 void
 draw_llvm_destroy(struct draw_llvm *llvm)
 {
+   LLVMDisposePassManager(llvm->pass);
+
    FREE(llvm);
 }
 
diff --git a/src/gallium/auxiliary/draw/draw_pt_fetch_shade_pipeline_llvm.c b/src/gallium/auxiliary/draw/draw_pt_fetch_shade_pipeline_llvm.c
index d2a492f..35913a5 100644
--- a/src/gallium/auxiliary/draw/draw_pt_fetch_shade_pipeline_llvm.c
+++ b/src/gallium/auxiliary/draw/draw_pt_fetch_shade_pipeline_llvm.c
@@ -349,7 +349,31 @@ static void llvm_middle_end_finish( struct draw_pt_middle_end *middle )
 static void llvm_middle_end_destroy( struct draw_pt_middle_end *middle )
 {
    struct llvm_middle_end *fpme = (struct llvm_middle_end *)middle;
+   struct draw_context *draw = fpme->draw;
+   struct draw_llvm_variant *variant = NULL;
+
+   variant = fpme->variants;
+   while(variant) {
+      struct draw_llvm_variant *next = variant->next;
 
+      if (variant->function_elts) {
+         if (variant->function_elts)
+            LLVMFreeMachineCodeForFunction(draw->engine,
+                                           variant->function_elts);
+         LLVMDeleteFunction(variant->function_elts);
+      }
+
+      if (variant->function) {
+         if (variant->function)
+            LLVMFreeMachineCodeForFunction(draw->engine,
+                                           variant->function);
+         LLVMDeleteFunction(variant->function);
+      }
+
+      FREE(variant);
+
+      variant = next;
+   }
    if (fpme->fetch)
       draw_pt_fetch_destroy( fpme->fetch );