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

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This commit is contained in:
Elizabeth Figura
2025-08-20 17:27:43 -05:00
committed by Henri Verbeet
parent adc8d5cfad
commit 0bfed6587a
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 8 additions and 10 deletions
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18
libs/vkd3d-shader/hlsl_codegen.c
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@@ -3564,7 +3564,8 @@ static bool validate_dereferences(struct hlsl_ctx *ctx, struct hlsl_ir_node *ins
return false;
}
static bool fold_redundant_casts(struct hlsl_ctx *ctx, struct hlsl_ir_node *instr, void *context)
static struct hlsl_ir_node *fold_redundant_casts(struct hlsl_ctx *ctx,
struct hlsl_ir_node *instr, struct hlsl_block *block)
{
if (instr->type == HLSL_IR_EXPR)
{
@@ -3573,20 +3574,17 @@ static bool fold_redundant_casts(struct hlsl_ctx *ctx, struct hlsl_ir_node *inst
const struct hlsl_type *src_type;
if (expr->op != HLSL_OP1_CAST)
return false;
return NULL;
src_type = expr->operands[0].node->data_type;
if (hlsl_types_are_equal(src_type, dst_type)
|| (src_type->e.numeric.type == dst_type->e.numeric.type
&& hlsl_is_vec1(src_type) && hlsl_is_vec1(dst_type)))
{
hlsl_replace_node(&expr->node, expr->operands[0].node);
return true;
}
return expr->operands[0].node;
}
return false;
return NULL;
}
/* Copy an element of a complex variable. Helper for
@@ -8510,7 +8508,7 @@ static void hlsl_run_folding_passes(struct hlsl_ctx *ctx, struct hlsl_block *bod
{
bool progress;
hlsl_transform_ir(ctx, fold_redundant_casts, body, NULL);
replace_ir(ctx, fold_redundant_casts, body);
do
{
progress = simplify_exprs(ctx, body);
@@ -8519,7 +8517,7 @@ static void hlsl_run_folding_passes(struct hlsl_ctx *ctx, struct hlsl_block *bod
progress |= replace_ir(ctx, fold_trivial_swizzles, body);
progress |= hlsl_transform_ir(ctx, remove_trivial_conditional_branches, body, NULL);
} while (progress);
hlsl_transform_ir(ctx, fold_redundant_casts, body, NULL);
replace_ir(ctx, fold_redundant_casts, body);
}
void hlsl_run_const_passes(struct hlsl_ctx *ctx, struct hlsl_block *body)
@@ -8530,7 +8528,7 @@ void hlsl_run_const_passes(struct hlsl_ctx *ctx, struct hlsl_block *body)
replace_ir(ctx, lower_matrix_swizzles, body);
replace_ir(ctx, lower_broadcasts, body);
while (hlsl_transform_ir(ctx, fold_redundant_casts, body, NULL));
while (replace_ir(ctx, fold_redundant_casts, body));
do
{
progress = hlsl_transform_ir(ctx, split_array_copies, body, NULL);