[PATCH 1/5] d3dcompiler: Index instructions for liveness ranges.
Zebediah Figura
z.figura12 at gmail.com
Sun Mar 29 21:53:16 CDT 2020
From: Zebediah Figura <zfigura at codeweavers.com>
Signed-off-by: Zebediah Figura <zfigura at codeweavers.com>
---
dlls/d3dcompiler_43/d3dcompiler_private.h | 2 +
dlls/d3dcompiler_43/hlsl.y | 65 ++++++++++++++++++++---
dlls/d3dcompiler_43/utils.c | 2 +-
3 files changed, 62 insertions(+), 7 deletions(-)
diff --git a/dlls/d3dcompiler_43/d3dcompiler_private.h b/dlls/d3dcompiler_43/d3dcompiler_private.h
index 2a926282128..0dee4129f01 100644
--- a/dlls/d3dcompiler_43/d3dcompiler_private.h
+++ b/dlls/d3dcompiler_43/d3dcompiler_private.h
@@ -658,6 +658,7 @@ struct hlsl_ir_node
{
struct list entry;
enum hlsl_ir_node_type type;
+ unsigned int index; /* for liveness ranges */
struct hlsl_type *data_type;
struct source_location loc;
@@ -734,6 +735,7 @@ struct hlsl_ir_loop
struct hlsl_ir_node node;
/* loop condition is stored in the body (as "if (!condition) break;") */
struct list *body;
+ unsigned int next_index; /* liveness index of the end of the loop */
};
enum hlsl_ir_expr_op {
diff --git a/dlls/d3dcompiler_43/hlsl.y b/dlls/d3dcompiler_43/hlsl.y
index 4c3e96caa0d..bf1704b5d55 100644
--- a/dlls/d3dcompiler_43/hlsl.y
+++ b/dlls/d3dcompiler_43/hlsl.y
@@ -915,6 +915,19 @@ static const struct hlsl_ir_function_decl *get_overloaded_func(struct wine_rb_tr
return NULL;
}
+static struct hlsl_ir_function_decl *get_func_entry(const char *name)
+{
+ struct wine_rb_entry *entry;
+
+ if ((entry = wine_rb_get(&hlsl_ctx.functions, name))
+ && (entry = WINE_RB_ENTRY_VALUE(entry, struct hlsl_ir_function, entry)->overloads.root))
+ {
+ return WINE_RB_ENTRY_VALUE(entry, struct hlsl_ir_function_decl, entry);
+ }
+
+ return NULL;
+}
+
static struct list *append_unop(struct list *list, struct hlsl_ir_node *node)
{
list_add_tail(list, &node->entry);
@@ -2545,9 +2558,37 @@ static void dump_function(struct wine_rb_entry *entry, void *context)
wine_rb_for_each_entry(&func->overloads, dump_function_decl, NULL);
}
+/* Allocate a unique, ordered index to each instruction, which will be used for
+ * computing liveness ranges. */
+static unsigned int index_instructions(struct list *instrs, unsigned int index)
+{
+ struct hlsl_ir_node *instr;
+
+ LIST_FOR_EACH_ENTRY(instr, instrs, struct hlsl_ir_node, entry)
+ {
+ instr->index = index++;
+
+ if (instr->type == HLSL_IR_IF)
+ {
+ struct hlsl_ir_if *iff = if_from_node(instr);
+ index = index_instructions(iff->then_instrs, index);
+ if (iff->else_instrs)
+ index = index_instructions(iff->else_instrs, index);
+ }
+ else if (instr->type == HLSL_IR_LOOP)
+ {
+ index = index_instructions(loop_from_node(instr)->body, index);
+ loop_from_node(instr)->next_index = index;
+ }
+ }
+
+ return index;
+}
+
struct bwriter_shader *parse_hlsl(enum shader_type type, DWORD major, DWORD minor,
const char *entrypoint, char **messages)
{
+ struct hlsl_ir_function_decl *entry_func;
struct hlsl_scope *scope, *next_scope;
struct hlsl_type *hlsl_type, *next_type;
struct hlsl_ir_var *var, *next_var;
@@ -2573,12 +2614,6 @@ struct bwriter_shader *parse_hlsl(enum shader_type type, DWORD major, DWORD mino
hlsl_parse();
- if (TRACE_ON(hlsl_parser))
- {
- TRACE("IR dump.\n");
- wine_rb_for_each_entry(&hlsl_ctx.functions, dump_function, NULL);
- }
-
TRACE("Compilation status = %d\n", hlsl_ctx.status);
if (messages)
{
@@ -2597,6 +2632,24 @@ struct bwriter_shader *parse_hlsl(enum shader_type type, DWORD major, DWORD mino
d3dcompiler_free((void *)hlsl_ctx.source_files[i]);
d3dcompiler_free(hlsl_ctx.source_files);
+ if (hlsl_ctx.status == PARSE_ERR)
+ goto out;
+
+ if (!(entry_func = get_func_entry(entrypoint)))
+ {
+ hlsl_message("error: entry point %s is not defined\n", debugstr_a(entrypoint));
+ goto out;
+ }
+
+ index_instructions(entry_func->body, 1);
+
+ if (TRACE_ON(hlsl_parser))
+ {
+ TRACE("IR dump.\n");
+ wine_rb_for_each_entry(&hlsl_ctx.functions, dump_function, NULL);
+ }
+
+out:
TRACE("Freeing functions IR.\n");
wine_rb_destroy(&hlsl_ctx.functions, free_function_rb, NULL);
diff --git a/dlls/d3dcompiler_43/utils.c b/dlls/d3dcompiler_43/utils.c
index 6e9bb593e00..84323c334f8 100644
--- a/dlls/d3dcompiler_43/utils.c
+++ b/dlls/d3dcompiler_43/utils.c
@@ -2156,7 +2156,7 @@ static void debug_dump_ir_loop(const struct hlsl_ir_loop *loop)
static void debug_dump_instr(const struct hlsl_ir_node *instr)
{
- wine_dbg_printf("%p: ", instr);
+ wine_dbg_printf("%4u: %p: ", instr->index, instr);
switch (instr->type)
{
case HLSL_IR_EXPR:
--
2.25.1
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