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glsl: Silence unused variable warning in the release build

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Resolves the following gcc warning

 opt_flip_matrices.cpp:84:32: warning: unused variable 'deref'

v2: keep the variable, but wrap it in a ifndef NDEBUG block
    (suggested by Ian)

Signed-off-by: Emil Velikov <emil.l.velikov@gmail.com>
Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>
This commit is contained in:
Emil Velikov 2013-07-08 18:30:44 +01:00 • committed by Kenneth Graunke
parent 4df6823f21
commit f0260f4e3d
1 changed files with 2 additions and 0 deletions
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2
src/glsl/opt_flip_matrices.cpp
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@ -81,8 +81,10 @@ matrix_flipper::visit_enter(ir_expression *ir)
if (mvp_transpose &&
strcmp(mat_var->name, "gl_ModelViewProjectionMatrix") == 0) {
#ifndef NDEBUG
ir_dereference_variable *deref = ir->operands[0]->as_dereference_variable();
assert(deref && deref->var == mat_var);
#endif
void *mem_ctx = ralloc_parent(ir);