Mesa (master): iris: Sweep the NIR in iris_create_uncompiled_shader().

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Module: Mesa
Branch: master
Commit: 22025595f3f1accf960b586fcb7f4b020fa48e75
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=22025595f3f1accf960b586fcb7f4b020fa48e75

Author: Kenneth Graunke <kenneth at whitecape.org>
Date:   Fri Jun  7 00:57:25 2019 -0700

iris: Sweep the NIR in iris_create_uncompiled_shader().

We run a ton of backend specific passes here (mostly brw_preprocess_nir)
and ought to sweep up any unused memory at this point, since we're going
to hang on to this NIR for as long as the linked program lives.

---

 src/gallium/drivers/iris/iris_program.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/gallium/drivers/iris/iris_program.c b/src/gallium/drivers/iris/iris_program.c
index 2712eb29591..eb049fae8b4 100644
--- a/src/gallium/drivers/iris/iris_program.c
+++ b/src/gallium/drivers/iris/iris_program.c
@@ -1862,6 +1862,8 @@ iris_create_uncompiled_shader(struct pipe_context *ctx,
    NIR_PASS_V(nir, brw_nir_lower_image_load_store, devinfo);
    NIR_PASS_V(nir, iris_lower_storage_image_derefs);
 
+   nir_sweep(nir);
+
    if (nir->constant_data_size > 0) {
       unsigned data_offset;
       u_upload_data(ice->shaders.uploader, 0, nir->constant_data_size,