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vkd3d-shader/hlsl: Add copy propagation logic for switches.

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Signed-off-by: Nikolay Sivov <nsivov@codeweavers.com>
This commit is contained in:
Nikolay Sivov 2023-10-11 14:08:59 +02:00 committed by Alexandre Julliard
parent 72623031a2
commit a4fa323e6c
Notes: Alexandre Julliard 2023-10-31 22:37:53 +01:00 
Approved-by: Giovanni Mascellani (@giomasce)
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/361
1 changed files with 39 additions and 0 deletions
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39
libs/vkd3d-shader/hlsl_codegen.c
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@ -1675,6 +1675,19 @@ static void copy_propagation_invalidate_from_block(struct hlsl_ctx *ctx, struct
break;
}
case HLSL_IR_SWITCH:
{
struct hlsl_ir_switch *s = hlsl_ir_switch(instr);
struct hlsl_ir_switch_case *c;
LIST_FOR_EACH_ENTRY(c, &s->cases, struct hlsl_ir_switch_case, entry)
{
copy_propagation_invalidate_from_block(ctx, state, &c->body);
}
break;
}
default:
break;
}
@ -1723,6 +1736,28 @@ static bool copy_propagation_process_loop(struct hlsl_ctx *ctx, struct hlsl_ir_l
return progress;
}
static bool copy_propagation_process_switch(struct hlsl_ctx *ctx, struct hlsl_ir_switch *s,
struct copy_propagation_state *state)
{
struct copy_propagation_state inner_state;
struct hlsl_ir_switch_case *c;
bool progress = false;
LIST_FOR_EACH_ENTRY(c, &s->cases, struct hlsl_ir_switch_case, entry)
{
copy_propagation_state_init(ctx, &inner_state, state);
progress |= copy_propagation_transform_block(ctx, &c->body, &inner_state);
copy_propagation_state_destroy(&inner_state);
}
LIST_FOR_EACH_ENTRY(c, &s->cases, struct hlsl_ir_switch_case, entry)
{
copy_propagation_invalidate_from_block(ctx, state, &c->body);
}
return progress;
}
static bool copy_propagation_transform_block(struct hlsl_ctx *ctx, struct hlsl_block *block,
struct copy_propagation_state *state)
{
@ -1761,6 +1796,10 @@ static bool copy_propagation_transform_block(struct hlsl_ctx *ctx, struct hlsl_b
progress |= copy_propagation_process_loop(ctx, hlsl_ir_loop(instr), state);
break;
case HLSL_IR_SWITCH:
progress |= copy_propagation_process_switch(ctx, hlsl_ir_switch(instr), state);
break;
default:
break;
}