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vkd3d-shader/hlsl: Introduce simplify_exprs().

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Also invoke simplify_exprs() after replace_deref_path_with_offset().
This commit is contained in:
Shaun Ren
2025-02-20 19:44:38 -05:00
committed by Henri Verbeet
parent c6f18c9394
commit 2368ff6637
Notes: Henri Verbeet 2025-03-12 22:20:19 +01:00 
Approved-by: Francisco Casas (@fcasas)
Approved-by: Elizabeth Figura (@zfigura)
Approved-by: Henri Verbeet (@hverbeet)
Merge-Request: https://gitlab.winehq.org/wine/vkd3d/-/merge_requests/1388
1 changed files with 21 additions and 8 deletions
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29
libs/vkd3d-shader/hlsl_codegen.c
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@@ -6562,6 +6562,24 @@ void hlsl_lower_index_loads(struct hlsl_ctx *ctx, struct hlsl_block *body)
lower_ir(ctx, lower_index_loads, body);
}
static bool simplify_exprs(struct hlsl_ctx *ctx, struct hlsl_block *block)
{
bool progress, any_progress = false;
do
{
progress = hlsl_transform_ir(ctx, hlsl_fold_constant_exprs, block, NULL);
progress |= hlsl_transform_ir(ctx, hlsl_normalize_binary_exprs, block, NULL);
progress |= hlsl_transform_ir(ctx, hlsl_fold_constant_identities, block, NULL);
progress |= hlsl_transform_ir(ctx, hlsl_fold_constant_swizzles, block, NULL);
any_progress |= progress;
} while (progress);
return any_progress;
}
static void hlsl_run_folding_passes(struct hlsl_ctx *ctx, struct hlsl_block *body)
{
bool progress;
@@ -6569,10 +6587,7 @@ static void hlsl_run_folding_passes(struct hlsl_ctx *ctx, struct hlsl_block *bod
hlsl_transform_ir(ctx, fold_redundant_casts, body, NULL);
do
{
progress = hlsl_transform_ir(ctx, hlsl_fold_constant_exprs, body, NULL);
progress |= hlsl_transform_ir(ctx, hlsl_fold_constant_identities, body, NULL);
progress |= hlsl_transform_ir(ctx, hlsl_normalize_binary_exprs, body, NULL);
progress |= hlsl_transform_ir(ctx, hlsl_fold_constant_swizzles, body, NULL);
progress = simplify_exprs(ctx, body);
progress |= hlsl_copy_propagation_execute(ctx, body);
progress |= hlsl_transform_ir(ctx, fold_swizzle_chains, body, NULL);
progress |= hlsl_transform_ir(ctx, remove_trivial_swizzles, body, NULL);
@@ -11516,9 +11531,7 @@ static void loop_unrolling_simplify(struct hlsl_ctx *ctx, struct hlsl_block *blo
copy_propagation_pop_scope(state);
copy_propagation_push_scope(state, ctx);
progress = hlsl_transform_ir(ctx, hlsl_fold_constant_exprs, block, NULL);
progress |= hlsl_transform_ir(ctx, hlsl_fold_constant_identities, block, NULL);
progress |= hlsl_transform_ir(ctx, hlsl_fold_constant_swizzles, block, NULL);
progress = simplify_exprs(ctx, block);
current_index = index_instructions(block, *index);
progress |= copy_propagation_transform_block(ctx, block, state);
@@ -12218,7 +12231,7 @@ static void process_entry_function(struct hlsl_ctx *ctx,
/* TODO: move forward, remove when no longer needed */
transform_derefs(ctx, replace_deref_path_with_offset, body);
while (hlsl_transform_ir(ctx, hlsl_fold_constant_exprs, body, NULL));
simplify_exprs(ctx, body);
transform_derefs(ctx, clean_constant_deref_offset_srcs, body);
do