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nir/lower_io_to_vector: initialize base

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Prevent GCC warning:
```
[230/1401] Compiling C object src/compiler/nir/libnir.a.p/nir_lower_io_to_vector.c.o
In function 'get_flat_type',
    inlined from 'create_new_io_vars' at ../src/compiler/nir/nir_lower_io_to_vector.c:300:10:
../src/compiler/nir/nir_lower_io_to_vector.c:208:14: warning: 'base' may be used uninitialized [-Wmaybe-uninitialized]
  208 |       return glsl_array_type(glsl_vector_type(base, 4), slots, 0);
      |              ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
../src/compiler/nir/nir_lower_io_to_vector.c: In function 'create_new_io_vars':
../src/compiler/nir/nir_lower_io_to_vector.c:163:24: note: 'base' was declared here
  163 |    enum glsl_base_type base;
      |                        ^~~~
```

Closes: https://gitlab.freedesktop.org/mesa/mesa/-/issues/8957

Reviewed-by: Faith Ekstrand <faith.ekstrand@collabora.com>
Reviewed-by: Mike Blumenkrantz <michael.blumenkrantz@gmail.com>
Signed-off-by: David Heidelberg <david.heidelberg@collabora.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/22840>
This commit is contained in:
David Heidelberg 2023-05-03 23:30:27 +02:00 • committed by Marge Bot
parent be34257197
commit 1c1855cc00
1 changed files with 1 additions and 1 deletions
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2
src/compiler/nir/nir_lower_io_to_vector.c
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@ -160,7 +160,7 @@ get_flat_type(const nir_shader *shader, nir_variable *old_vars[MAX_SLOTS][4],
unsigned todo = 1;
unsigned slots = 0;
unsigned num_vars = 0;
enum glsl_base_type base;
enum glsl_base_type base = GLSL_TYPE_ERROR;
*num_vertices = 0;
*first_var = NULL;