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vkd3d-shader/hlsl: Handle loops in copy propagation.

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Signed-off-by: Giovanni Mascellani <gmascellani@codeweavers.com>
Signed-off-by: Henri Verbeet <hverbeet@codeweavers.com>
Signed-off-by: Zebediah Figura <zfigura@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Giovanni Mascellani 2022-05-03 11:57:21 +02:00 committed by Alexandre Julliard
parent ec85eb538b
commit e6ce077ad4
1 changed files with 17 additions and 2 deletions
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19
libs/vkd3d-shader/hlsl_codegen.c
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@ -634,6 +634,21 @@ static bool copy_propagation_process_if(struct hlsl_ctx *ctx, struct hlsl_ir_if
return progress;
}
static bool copy_propagation_process_loop(struct hlsl_ctx *ctx, struct hlsl_ir_loop *loop,
struct copy_propagation_state *state)
{
struct copy_propagation_state inner_state;
bool progress = false;
copy_propagation_invalidate_from_block(ctx, state, &loop->body);
copy_propagation_state_init(ctx, &inner_state, state);
progress |= copy_propagation_transform_block(ctx, &loop->body, &inner_state);
copy_propagation_state_destroy(&inner_state);
return progress;
}
static bool copy_propagation_transform_block(struct hlsl_ctx *ctx, struct hlsl_block *block,
struct copy_propagation_state *state)
{
@ -661,8 +676,8 @@ static bool copy_propagation_transform_block(struct hlsl_ctx *ctx, struct hlsl_b
break;
case HLSL_IR_LOOP:
FIXME("Copy propagation doesn't support loops yet, leaving.\n");
return progress;
progress |= copy_propagation_process_loop(ctx, hlsl_ir_loop(instr), state);
break;
default:
break;