On 02/26/2016 07:09 AM, Alejandro Piñeiro wrote:
> v2:
> * Take into account out varyings too (Timothy Arceri)
> * Fix style (Timothy Arceri)
> * Use a new ast_expression variable, instead of an
> ast_expression::hir new parameter (Timothy Arceri)
>
> Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=94129
> ---
> src/compiler/glsl/ast_to_hir.cpp | 7 +++++++
> 1 file changed, 7 insertions(+)
>
> diff --git a/src/compiler/glsl/ast_to_hir.cpp
> b/src/compiler/glsl/ast_to_hir.cpp
> index 49e4858..ac451df 100644
> --- a/src/compiler/glsl/ast_to_hir.cpp
> +++ b/src/compiler/glsl/ast_to_hir.cpp
> @@ -1899,6 +1899,13 @@ ast_expression::do_hir(exec_list *instructions,
> if (var != NULL) {
> var->data.used = true;
> result = new(ctx) ir_dereference_variable(var);
> +
> + if ((var->data.mode == ir_var_auto || var->data.mode ==
> ir_var_shader_out)
> + && !this->is_lhs
> + && result->variable_referenced()->data.assigned != true) {
> + _mesa_glsl_warning(&loc, state, "`%s' used uninitialized",
> + this->primary_expression.identifier);
It seems like this might miss cases like
void main()
{
int i;
int a[2];
a[i] = 0;
}
> + }
> } else {
> _mesa_glsl_error(& loc, state, "`%s' undeclared",
> this->primary_expression.identifier);
>
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