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vkd3d-shader/ir: Check that SSA registers are used validly.

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Specifically, they are assigned only once and only assigned components
are used.

Right now we don't check that the assignment dominates all usages.
This commit is contained in:
Giovanni Mascellani
2024-01-10 11:58:44 +01:00
committed by Alexandre Julliard
parent 26bebe8f91
commit b0c8a47f9d
Notes: Alexandre Julliard 2024-01-15 23:01:43 +01:00 
Approved-by: Giovanni Mascellani (@giomasce)
Approved-by: Henri Verbeet (@hverbeet)
Approved-by: Alexandre Julliard (@julliard)
Merge-Request: https://gitlab.winehq.org/wine/vkd3d/-/merge_requests/550
2 changed files with 54 additions and 2 deletions
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libs/vkd3d-shader/vkd3d_shader_private.h
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@@ -216,6 +216,7 @@ enum vkd3d_shader_error
VKD3D_SHADER_ERROR_VSIR_INVALID_DCL_TEMPS = 9014,
VKD3D_SHADER_ERROR_VSIR_INVALID_INDEX = 9015,
VKD3D_SHADER_ERROR_VSIR_INVALID_INSTRUCTION_NESTING = 9016,
VKD3D_SHADER_ERROR_VSIR_INVALID_SSA_USAGE = 9017,
VKD3D_SHADER_WARNING_VSIR_DYNAMIC_DESCRIPTOR_ARRAY = 9300,
};