On 04/08/2016 01:35 AM, Kenneth Graunke wrote:
Some passes may not refer to options->..., at which point the compiler
will warn about an unused variable.  Just cast to void unconditionally
to shut it up.

Signed-off-by: Kenneth Graunke <kenn...@whitecape.org>
---
  src/compiler/nir/nir_algebraic.py | 1 +
  1 file changed, 1 insertion(+)

diff --git a/src/compiler/nir/nir_algebraic.py 
b/src/compiler/nir/nir_algebraic.py
index d05564f..53a7907 100644
--- a/src/compiler/nir/nir_algebraic.py
+++ b/src/compiler/nir/nir_algebraic.py
@@ -291,6 +291,7 @@ ${pass_name}(nir_shader *shader)
     bool progress = false;
     bool condition_flags[${len(condition_list)}];
     const nir_shader_compiler_options *options = shader->options;
+   (void) options;


Hmm, don't like this very much. I suppose since it is generated code, it can not be done per block where options is unused.
For respect to other people's right to have clean build logs, patch is:

Reviewed-by: Eduardo Lima Mitev <el...@igalia.com>

     % for index, condition in enumerate(condition_list):
     condition_flags[${index}] = ${condition};


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