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vkd3d: Add a macro to mark unreachable code.

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This should silence warnings about some branches non returning any value
without requiring additional "return 0" statement or similar.

Also, in theory this might enable to compiler to optimize the program
a little bit more, though that's unlikely to have any measurable effect.
This commit is contained in:
Giovanni Mascellani
2022-08-31 13:25:24 +02:00
committed by Alexandre Julliard
parent 56b2f56b86
commit d5fd309ef8
Notes: Alexandre Julliard 2022-10-18 00:13:00 +02:00 
Approved-by: Zebediah Figura (@zfigura)
Approved-by: Henri Verbeet (@hverbeet)
Approved-by: Alexandre Julliard (@julliard)
Merge-Request: https://gitlab.winehq.org/wine/vkd3d/-/merge_requests/11
10 changed files with 52 additions and 71 deletions
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14
libs/vkd3d-shader/hlsl.c
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@@ -333,13 +333,11 @@ static unsigned int traverse_path_from_component_index(struct hlsl_ctx *ctx,
}
index -= field_comp_count;
}
assert(0);
return 0;
vkd3d_unreachable();
}
default:
assert(0);
return 0;
vkd3d_unreachable();
}
}
@@ -466,8 +464,7 @@ struct hlsl_type *hlsl_get_element_type_from_path_index(struct hlsl_ctx *ctx, co
}
default:
assert(0);
return NULL;
vkd3d_unreachable();
}
}
@@ -586,8 +583,7 @@ unsigned int hlsl_type_component_count(const struct hlsl_type *type)
return 1;
default:
assert(0);
return 0;
vkd3d_unreachable();
}
}
@@ -1590,7 +1586,7 @@ static void dump_ir_constant(struct vkd3d_string_buffer *buffer, const struct hl
break;
default:
assert(0);
vkd3d_unreachable();
}
}
if (type->dimx != 1)