st/glsl_to_nir: remove dead local variables

[mesa.git] / src / mesa / state_tracker / st_glsl_to_nir.cpp

diff --git a/src/mesa/state_tracker/st_glsl_to_nir.cpp b/src/mesa/state_tracker/st_glsl_to_nir.cpp
index d7f2e3e6eaa98a201a0134f946f2d6526ace3b7a..271a30eab708ebc9cdf203294967cdc810b8589d 100644 (file)
--- a/src/mesa/state_tracker/st_glsl_to_nir.cpp
+++ b/src/mesa/state_tracker/st_glsl_to_nir.cpp
@@ -463,6 +463,9 @@ st_glsl_to_nir_post_opts(struct st_context *st, struct gl_program *prog,
    NIR_PASS_V(nir, st_nir_lower_builtin);
    NIR_PASS_V(nir, gl_nir_lower_atomics, shader_program, true);
 
+   nir_variable_mode mask = nir_var_function_temp;
+   nir_remove_dead_variables(nir, mask);
+
    if (st->ctx->_Shader->Flags & GLSL_DUMP) {
       _mesa_log("\n");
       _mesa_log("NIR IR for linked %s program %d:\n",