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vkd3d-shader/hlsl: Lower return statements.

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This commit is contained in:
Zebediah Figura
2021-09-13 23:08:34 -05:00
committed by Alexandre Julliard
parent 0cf39f3c63
commit 8bdee6681b
Notes: Alexandre Julliard 2023-02-13 22:20:34 +01:00 
Approved-by: Giovanni Mascellani (@giomasce)
Approved-by: Francisco Casas (@fcasas)
Approved-by: Henri Verbeet (@hverbeet)
Approved-by: Alexandre Julliard (@julliard)
Merge-Request: https://gitlab.winehq.org/wine/vkd3d/-/merge_requests/85
5 changed files with 236 additions and 7 deletions
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14
libs/vkd3d-shader/hlsl.c
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@@ -1209,6 +1209,8 @@ struct hlsl_ir_function_decl *hlsl_new_func_decl(struct hlsl_ctx *ctx,
const struct hlsl_semantic *semantic, const struct vkd3d_shader_location *loc)
{
struct hlsl_ir_function_decl *decl;
struct hlsl_ir_constant *constant;
struct hlsl_ir_store *store;
if (!(decl = hlsl_alloc(ctx, sizeof(*decl))))
return NULL;
@@ -1227,6 +1229,18 @@ struct hlsl_ir_function_decl *hlsl_new_func_decl(struct hlsl_ctx *ctx,
decl->return_var->semantic = *semantic;
}
if (!(decl->early_return_var = hlsl_new_synthetic_var(ctx, "early_return",
hlsl_get_scalar_type(ctx, HLSL_TYPE_BOOL), loc)))
return decl;
if (!(constant = hlsl_new_bool_constant(ctx, false, loc)))
return decl;
list_add_tail(&decl->body.instrs, &constant->node.entry);
if (!(store = hlsl_new_simple_store(ctx, decl->early_return_var, &constant->node)))
return decl;
list_add_tail(&decl->body.instrs, &store->node.entry);
return decl;
}