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vkd3d-shader/hlsl: Use replace_ir() for fold_swizzle_chains().

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This commit is contained in:
Elizabeth Figura
2025-08-20 17:07:48 -05:00
committed by Henri Verbeet
parent f3522eae2e
commit 2a4ac90ad2
Notes: Henri Verbeet 2025-10-09 15:57:34 +02:00 
Approved-by: Francisco Casas (@fcasas)
Approved-by: Henri Verbeet (@hverbeet)
Merge-Request: https://gitlab.winehq.org/wine/vkd3d/-/merge_requests/1749
1 changed files with 9 additions and 14 deletions
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23
libs/vkd3d-shader/hlsl_codegen.c
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@@ -3852,36 +3852,31 @@ static struct hlsl_ir_node *lower_narrowing_casts(struct hlsl_ctx *ctx,
return NULL;
}
static bool fold_swizzle_chains(struct hlsl_ctx *ctx, struct hlsl_ir_node *instr, void *context)
static struct hlsl_ir_node *fold_swizzle_chains(struct hlsl_ctx *ctx,
struct hlsl_ir_node *instr, struct hlsl_block *block)
{
struct hlsl_ir_swizzle *swizzle;
struct hlsl_ir_node *next_instr;
if (instr->type != HLSL_IR_SWIZZLE)
return false;
return NULL;
swizzle = hlsl_ir_swizzle(instr);
next_instr = swizzle->val.node;
if (next_instr->type == HLSL_IR_SWIZZLE)
{
struct hlsl_ir_node *new_swizzle;
uint32_t combined_swizzle;
combined_swizzle = hlsl_combine_swizzles(hlsl_ir_swizzle(next_instr)->u.vector,
swizzle->u.vector, instr->data_type->e.numeric.dimx);
next_instr = hlsl_ir_swizzle(next_instr)->val.node;
if (!(new_swizzle = hlsl_new_swizzle(ctx, combined_swizzle,
instr->data_type->e.numeric.dimx, next_instr, &instr->loc)))
return false;
list_add_before(&instr->entry, &new_swizzle->entry);
hlsl_replace_node(instr, new_swizzle);
return true;
return hlsl_block_add_swizzle(ctx, block, combined_swizzle,
instr->data_type->e.numeric.dimx, next_instr, &instr->loc);
}
return false;
return NULL;
}
static bool remove_trivial_swizzles(struct hlsl_ctx *ctx, struct hlsl_ir_node *instr, void *context)
@@ -8521,7 +8516,7 @@ static void hlsl_run_folding_passes(struct hlsl_ctx *ctx, struct hlsl_block *bod
{
progress = simplify_exprs(ctx, body);
progress |= hlsl_copy_propagation_execute(ctx, body);
progress |= hlsl_transform_ir(ctx, fold_swizzle_chains, body, NULL);
progress |= replace_ir(ctx, fold_swizzle_chains, body);
progress |= hlsl_transform_ir(ctx, remove_trivial_swizzles, body, NULL);
progress |= hlsl_transform_ir(ctx, remove_trivial_conditional_branches, body, NULL);
} while (progress);
@@ -13856,7 +13851,7 @@ static void loop_unrolling_simplify(struct hlsl_ctx *ctx, struct hlsl_block *blo
current_index = index_instructions(block, *index);
progress |= copy_propagation_transform_block(ctx, block, state);
progress |= hlsl_transform_ir(ctx, fold_swizzle_chains, block, NULL);
progress |= replace_ir(ctx, fold_swizzle_chains, block);
progress |= hlsl_transform_ir(ctx, remove_trivial_swizzles, block, NULL);
progress |= hlsl_transform_ir(ctx, remove_trivial_conditional_branches, block, NULL);
} while (progress);
@@ -14723,7 +14718,7 @@ static void process_entry_function(struct hlsl_ctx *ctx, struct list *semantic_v
progress = vectorize_exprs(ctx, body);
compute_liveness(ctx, body);
progress |= hlsl_transform_ir(ctx, dce, body, NULL);
progress |= hlsl_transform_ir(ctx, fold_swizzle_chains, body, NULL);
progress |= replace_ir(ctx, fold_swizzle_chains, body);
progress |= hlsl_transform_ir(ctx, remove_trivial_swizzles, body, NULL);
progress |= vectorize_stores(ctx, body);
} while (progress);