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@@ -1,6 +1,7 @@
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typedef struct ssaModule ssaModule;
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typedef struct ssaValue ssaValue;
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typedef struct ssaValueArgs ssaValueArgs;
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+typedef struct ssaDefer ssaDefer;
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typedef struct ssaBlock ssaBlock;
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typedef struct ssaProc ssaProc;
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typedef struct ssaEdge ssaEdge;
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@@ -8,6 +9,8 @@ typedef struct ssaRegister ssaRegister;
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typedef struct ssaTargetList ssaTargetList;
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typedef enum ssaBlockKind ssaBlockKind;
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typedef enum ssaBranchPrediction ssaBranchPrediction;
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+typedef enum ssaDeferExitKind ssaDeferExitKind;
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+
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String ssa_mangle_name(ssaModule *m, String path, Entity *e);
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@@ -49,6 +52,7 @@ enum ssaBlockKind {
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// architectures, these could become conditions blocks like amd64 LT or EQ
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ssaBlock_Entry, // Entry point
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ssaBlock_Plain,
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+ ssaBlock_Defer, // Similar to a plain block but generated by a `defer` statement
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ssaBlock_If,
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ssaBlock_Ret,
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ssaBlock_RetJmp, // Stores return value and jumps to Ret block
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@@ -63,6 +67,27 @@ enum ssaBranchPrediction {
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ssaBranch_Unlikely = -1,
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};
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+typedef enum ssaDeferKind {
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+ ssaDefer_Node,
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+ ssaDefer_Instr,
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+} ssaDeferKind;
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+
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+struct ssaDefer {
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+ ssaDeferKind kind;
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+ i32 scope_level;
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+ ssaBlock * block;
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+ union {
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+ AstNode * stmt;
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+ ssaValue * instr;
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+ };
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+};
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+
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+enum ssaDeferExitKind {
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+ ssaDeferExit_Default,
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+ ssaDeferExit_Return,
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+ ssaDeferExit_Branch,
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+};
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+
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// ssaEdge represents a control flow graph (CFG) edge
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struct ssaEdge {
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// Succs array: Block To
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@@ -79,6 +104,7 @@ struct ssaBlock {
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ssaBlockKind kind;
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ssaProc * proc; // Containing procedure
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String name; // Optional
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+ i32 scope_level;
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// Likely branch direction
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ssaBranchPrediction likeliness;
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@@ -118,6 +144,9 @@ struct ssaProc {
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i32 block_id;
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i32 value_id;
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MapSsaValue values; // Key: Entity *
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+
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+ Array(ssaDefer) defer_stmts;
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+ i32 scope_level;
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};
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struct ssaRegister {
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@@ -147,6 +176,17 @@ struct ssaModule {
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ssaValueArray procs_to_generate;
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};
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+typedef enum ssaAddrKind {
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+ ssaAddr_Default,
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+ ssaAddr_Map,
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+} ssaAddrKind;
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+
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+typedef struct ssaAddr {
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+ ssaValue * addr;
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+ ssaAddrKind kind;
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+} ssaAddr;
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+
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+
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void ssa_push_target_list(ssaProc *p, ssaBlock *break_, ssaBlock *continue_, ssaBlock *fallthrough_) {
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ssaTargetList *tl = gb_alloc_item(p->allocator, ssaTargetList);
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@@ -167,6 +207,7 @@ ssaBlock *ssa_new_block(ssaProc *p, ssaBlockKind kind, char *name) {
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b->id = p->block_id++;
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b->kind = kind;
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b->proc = p;
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+ p->scope_level = p->scope_level;
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if (name != NULL || name[0] != 0) {
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b->name = make_string_c(name);
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}
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@@ -352,6 +393,17 @@ ssaValue *ssa_const_int(ssaProc *p, Type *t, i64 c) {
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return NULL;
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}
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+
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+
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+
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+ssaAddr ssa_build_addr (ssaProc *p, AstNode *expr);
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+ssaValue *ssa_build_expr (ssaProc *p, AstNode *expr);
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+void ssa_build_stmt (ssaProc *p, AstNode *node);
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+void ssa_build_stmt_list(ssaProc *p, AstNodeArray nodes);
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+ssaValue *ssa_emit_deep_field_ptr_index(ssaProc *p, ssaValue *e, Selection sel);
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+
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+
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+
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void ssa_reset_value_args(ssaValue *v) {
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for_array(i, v->args) {
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v->args.e[i]->uses--;
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@@ -365,6 +417,85 @@ void ssa_reset(ssaValue *v, ssaOp op) {
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ssa_reset_value_args(v);
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}
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+ssaValue *ssa_get_last_value(ssaBlock *b) {
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+ if (b == NULL) {
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+ return NULL;
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+ }
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+ isize len = b->values.count;
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+ if (len <= 0) {
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+ return 0;
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+ }
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+ ssaValue *v = b->values.e[len-1];
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+ return v;
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+}
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+
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+void ssa_emit_comment(ssaProc *p, String s) {
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+ // ssa_new_value0v(p, ssaOp_Comment, NULL, exact_value_string(s));
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+}
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+
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+void ssa_build_defer_stmt(ssaProc *p, ssaDefer d) {
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+ // ssaValue *last_instr = ssa_get_last_value(p->curr_block);
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+ ssaBlock *b = ssa_new_block(p, ssaBlock_Plain, "defer");
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+ ssa_emit_jump(p, b);
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+ ssa_start_block(p, b);
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+ ssa_emit_comment(p, str_lit("defer"));
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+ if (d.kind == ssaDefer_Node) {
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+ ssa_build_stmt(p, d.stmt);
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+ } else if (d.kind == ssaDefer_Instr) {
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+ // NOTE(bill): Need to make a new copy
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+ ssaValue *v = cast(ssaValue *)gb_alloc_copy(p->allocator, d.instr, gb_size_of(ssaValue));
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+ array_add(&p->curr_block->values, v);
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+ }
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+}
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+
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+void ssa_emit_defer_stmts(ssaProc *p, ssaDeferExitKind kind, ssaBlock *b) {
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+ isize count = p->defer_stmts.count;
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+ for (isize i = count-1; i >= 0; i--) {
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+ ssaDefer d = p->defer_stmts.e[i];
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+ if (kind == ssaDeferExit_Default) {
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+ gb_printf_err("scope_level %d %d\n", p->scope_level, d.scope_level);
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+ if (p->scope_level == d.scope_level &&
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+ d.scope_level > 1) {
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+ ssa_build_defer_stmt(p, d);
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+ array_pop(&p->defer_stmts);
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+ continue;
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+ } else {
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+ break;
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+ }
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+ } else if (kind == ssaDeferExit_Return) {
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+ ssa_build_defer_stmt(p, d);
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+ } else if (kind == ssaDeferExit_Branch) {
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+ GB_ASSERT(b != NULL);
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+ i32 lower_limit = b->scope_level+1;
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+ if (lower_limit < d.scope_level) {
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+ ssa_build_defer_stmt(p, d);
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+ }
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+ }
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+ }
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+}
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+
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+ssaDefer ssa_add_defer_node(ssaProc *p, i32 scope_level, AstNode *stmt) {
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+ ssaDefer d = {ssaDefer_Node};
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+ d.scope_level = scope_level;
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+ d.block = p->curr_block;
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+ d.stmt = stmt;
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+ array_add(&p->defer_stmts, d);
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+ return d;
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+}
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+
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+void ssa_open_scope(ssaProc *p) {
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+ p->scope_level++;
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+}
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+
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+void ssa_close_scope(ssaProc *p, ssaDeferExitKind kind, ssaBlock *b) {
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+ ssa_emit_defer_stmts(p, kind, b);
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+ GB_ASSERT(p->scope_level > 0);
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+ p->scope_level--;
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+}
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+
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+
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+
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+
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ssaValue *ssa_emit_load(ssaProc *p, ssaValue *v) {
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GB_ASSERT(is_type_pointer(v->type));
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return ssa_new_value1(p, ssaOp_Load, type_deref(v->type), v);
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@@ -411,15 +542,6 @@ bool ssa_is_blank_ident(AstNode *node) {
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}
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-typedef enum ssaAddrKind {
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- ssaAddr_Default,
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- ssaAddr_Map,
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-} ssaAddrKind;
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-
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-typedef struct ssaAddr {
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- ssaValue * addr;
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- ssaAddrKind kind;
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-} ssaAddr;
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ssaAddr ssa_addr(ssaValue *v) {
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if (v != NULL) {
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@@ -456,6 +578,7 @@ ssaProc *ssa_new_proc(ssaModule *m, String name, Entity *entity, DeclInfo *decl_
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p->decl_info = decl_info;
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array_init(&p->blocks, heap_allocator());
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+ array_init(&p->defer_stmts, heap_allocator());
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map_ssa_value_init(&p->values, heap_allocator());
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return p;
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@@ -472,10 +595,8 @@ ssaAddr ssa_add_local(ssaProc *p, Entity *e, AstNode *expr) {
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map_ssa_value_set(&p->values, hash_pointer(e), local);
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map_ssa_value_set(&p->module->values, hash_pointer(e), local);
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local->comment_string = e->token.string;
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-
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- ssaValue *addr = ssa_new_value1(p, ssaOp_Addr, local->type, local);
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- ssa_new_value1(p, ssaOp_Zero, t, addr);
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- return ssa_addr(addr);
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+ ssa_new_value1(p, ssaOp_Zero, t, local);
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+ return ssa_addr(local);
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}
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ssaAddr ssa_add_local_for_ident(ssaProc *p, AstNode *name) {
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Entity **found = map_entity_get(&p->module->info->definitions, hash_pointer(name));
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@@ -498,9 +619,7 @@ ssaAddr ssa_add_local_generated(ssaProc *p, Type *t) {
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return ssa_add_local(p, e, NULL);
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}
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-void ssa_emit_comment(ssaProc *p, String s) {
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- // ssa_new_value0v(p, ssaOp_Comment, NULL, exact_value_string(s));
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-}
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+
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#define SSA_MAX_STRUCT_FIELD_COUNT 4
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@@ -549,12 +668,6 @@ bool can_ssa_type(Type *t) {
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return true;
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}
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-ssaAddr ssa_build_addr (ssaProc *p, AstNode *expr);
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-ssaValue *ssa_build_expr (ssaProc *p, AstNode *expr);
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-void ssa_build_stmt (ssaProc *p, AstNode *node);
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-void ssa_build_stmt_list(ssaProc *p, AstNodeArray nodes);
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-ssaValue *ssa_emit_deep_field_ptr_index(ssaProc *p, ssaValue *e, Selection sel);
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-
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void ssa_addr_store(ssaProc *p, ssaAddr addr, ssaValue *value) {
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if (addr.addr == NULL) {
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return;
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@@ -706,10 +819,6 @@ ssaValue *ssa_emit_ptr_index(ssaProc *p, ssaValue *s, i64 index) {
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GB_ASSERT(t->Record.field_count > 0);
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GB_ASSERT(gb_is_between(index, 0, t->Record.field_count-1));
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result_type = make_type_pointer(a, t->Record.fields[index]->type);
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- i64 offset = t->Record.offsets[index];
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- ssaValue *ptr = ssa_emit_conv(p, s, t_u8_ptr);
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- ptr = ssa_new_value2(p, ssaOp_PtrOffset, ptr->type, ptr, ssa_const_int(p, t_int, offset));
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- return ssa_emit_conv(p, ptr, result_type);
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} else if (is_type_tuple(t)) {
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GB_ASSERT(t->Tuple.variable_count > 0);
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GB_ASSERT(gb_is_between(index, 0, t->Tuple.variable_count-1));
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@@ -772,13 +881,7 @@ ssaValue *ssa_emit_value_index(ssaProc *p, ssaValue *s, i64 index) {
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type_set_offsets(a, t);
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GB_ASSERT(t->Record.field_count > 0);
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GB_ASSERT(gb_is_between(index, 0, t->Record.field_count-1));
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- Type *ptr_type = make_type_pointer(a, t->Record.fields[index]->type);
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- i64 offset = t->Record.offsets[index];
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- ssaValue *ptr = ssa_address_from_load_or_generate_local(p, s);
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- ptr = ssa_emit_conv(p, s, t_u8_ptr);
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- ptr = ssa_new_value2(p, ssaOp_PtrOffset, ptr->type, ptr, ssa_const_int(p, t_int, offset));
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- ptr = ssa_emit_conv(p, ptr, ptr_type);
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- return ssa_emit_load(p, ptr);
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+ result_type = t->Record.fields[index]->type;
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} else if (is_type_tuple(t)) {
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GB_ASSERT(t->Tuple.variable_count > 0);
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GB_ASSERT(gb_is_between(index, 0, t->Tuple.variable_count-1));
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@@ -1007,9 +1110,88 @@ ssaAddr ssa_build_addr(ssaProc *p, AstNode *expr) {
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return ssa_addr(a);
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}
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case_end;
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+
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+
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+ case_ast_node(ce, CastExpr, expr);
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+ switch (ce->token.kind) {
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+ case Token_cast: {
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+ ssa_emit_comment(p, str_lit("Cast - cast"));
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+ // NOTE(bill): Needed for dereference of pointer conversion
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+ Type *type = type_of_expr(p->module->info, expr);
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+ ssaAddr addr = ssa_add_local_generated(p, type);
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+ ssa_addr_store(p, addr, ssa_emit_conv(p, ssa_build_expr(p, ce->expr), type));
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+ return addr;
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+ }
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+ #if 0
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+ case Token_transmute: {
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+ ssa_emit_comment(p, str_lit("Cast - transmute"));
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+ // NOTE(bill): Needed for dereference of pointer conversion
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+ Type *type = type_of_expr(p->module->info, expr);
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+ ssaValue *v = ssa_add_local_generated(p, type);
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+ ssa_emit_store(p, v, ssa_emit_transmute(p, ssa_build_expr(p, ce->expr), type));
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+ return ssa_addr(v);
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+ }
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+ case Token_union_cast: {
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+ ssa_emit_comment(p, str_lit("Cast - union_cast"));
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+ // NOTE(bill): Needed for dereference of pointer conversion
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+ Type *type = type_of_expr(p->module->info, expr);
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+ ssaValue *v = ssa_add_local_generated(p, type);
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+ ssa_emit_store(p, v, ssa_emit_union_cast(p, ssa_build_expr(p, ce->expr), type, ast_node_token(expr).pos));
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+ return ssa_addr(v);
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+ }
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+ #endif
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+ default:
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+ GB_PANIC("Unknown cast expression");
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+ }
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+ case_end;
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+
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+ case_ast_node(ue, UnaryExpr, expr);
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+ switch (ue->op.kind) {
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+ case Token_Pointer: {
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+ return ssa_build_addr(p, ue->expr);
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+ }
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+ default:
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+ GB_PANIC("Invalid unary expression for ssa_build_addr");
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+ }
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+ case_end;
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+
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+ case_ast_node(be, BinaryExpr, expr);
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+ GB_PANIC("Invalid binary expression for ssa_build_addr: %.*s\n", LIT(be->op.string));
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+ case_end;
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+
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+ case_ast_node(ie, IndexExpr, expr);
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+ GB_PANIC("TODO(bill): ssa_build_addr IndexExpr");
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+ case_end;
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+
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+ case_ast_node(se, SliceExpr, expr);
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+ GB_PANIC("TODO(bill): ssa_build_addr SliceExpr");
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+ case_end;
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+
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+ case_ast_node(de, DerefExpr, expr);
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+ ssaValue *addr = ssa_build_expr(p, de->expr);
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+ return ssa_addr(addr);
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+ case_end;
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+
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+ case_ast_node(ce, CallExpr, expr);
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+ ssaValue *e = ssa_build_expr(p, expr);
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+ ssaValue *v = ssa_address_from_load_or_generate_local(p, e);
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+ return ssa_addr(v);
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+ case_end;
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+
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+ case_ast_node(cl, CompoundLit, expr);
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+ GB_PANIC("TODO(bill): ssa_build_addr CompoundLit");
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+ case_end;
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+
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}
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- GB_PANIC("Cannot get entity's address");
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+ TokenPos token_pos = ast_node_token(expr).pos;
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+ GB_PANIC("Unexpected address expression\n"
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+ "\tAstNode: %.*s @ "
|
|
|
+ "%.*s(%td:%td)\n",
|
|
|
+ LIT(ast_node_strings[expr->kind]),
|
|
|
+ LIT(token_pos.file), token_pos.line, token_pos.column);
|
|
|
+
|
|
|
+
|
|
|
return ssa_addr(NULL);
|
|
|
}
|
|
|
|
|
@@ -1234,6 +1416,7 @@ ssaOp ssa_determine_op(TokenKind op, Type *t) {
|
|
|
return ssaOp_Invalid;
|
|
|
}
|
|
|
|
|
|
+
|
|
|
ssaValue *ssa_emit_comp(ssaProc *p, TokenKind op, ssaValue *x, ssaValue *y) {
|
|
|
GB_ASSERT(x != NULL && y != NULL);
|
|
|
Type *a = core_type(x->type);
|
|
@@ -1278,6 +1461,130 @@ ssaValue *ssa_emit_comp(ssaProc *p, TokenKind op, ssaValue *x, ssaValue *y) {
|
|
|
|
|
|
|
|
|
|
|
|
+ssaValue *ssa_emit_unary_arith(ssaProc *p, TokenKind op, ssaValue *x, Type *type) {
|
|
|
+ if (is_type_vector(x->type)) {
|
|
|
+ ssa_emit_comment(p, str_lit("vector.arith.begin"));
|
|
|
+ // IMPORTANT TODO(bill): This is very wasteful with regards to stack memory
|
|
|
+ Type *tl = base_type(x->type);
|
|
|
+ ssaValue *val = ssa_address_from_load_or_generate_local(p, x);
|
|
|
+ GB_ASSERT(is_type_vector(type));
|
|
|
+ Type *elem_type = base_type(type)->Vector.elem;
|
|
|
+
|
|
|
+ ssaAddr res = ssa_add_local_generated(p, type);
|
|
|
+ for (i64 i = 0; i < tl->Vector.count; i++) {
|
|
|
+ ssaValue *index = ssa_const_int(p, t_int, i);
|
|
|
+ ssaValue *e = ssa_emit_load(p, ssa_emit_array_index(p, val, index));
|
|
|
+ ssaValue *z = ssa_emit_unary_arith(p, op, e, elem_type);
|
|
|
+ ssa_emit_store(p, ssa_emit_array_index(p, res.addr, index), z);
|
|
|
+ }
|
|
|
+ ssa_emit_comment(p, str_lit("vector.arith.end"));
|
|
|
+ return ssa_addr_load(p, res);
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+
|
|
|
+ switch (op) {
|
|
|
+ case Token_Pointer: {
|
|
|
+ GB_PANIC("Token_Pointer should be handled elsewhere");
|
|
|
+ } break;
|
|
|
+
|
|
|
+ case Token_Add:
|
|
|
+ return x;
|
|
|
+
|
|
|
+ case Token_Not: // Boolean not
|
|
|
+ return ssa_new_value1(p, ssaOp_NotB, type, x);
|
|
|
+ case Token_Xor: { // Bitwise not
|
|
|
+ isize bits = 8*type_size_of(p->allocator, x->type);
|
|
|
+ switch (bits) {
|
|
|
+ case 8: return ssa_new_value1(p, ssaOp_Not8, type, x);
|
|
|
+ case 16: return ssa_new_value1(p, ssaOp_Not16, type, x);
|
|
|
+ case 32: return ssa_new_value1(p, ssaOp_Not32, type, x);
|
|
|
+ case 64: return ssa_new_value1(p, ssaOp_Not64, type, x);
|
|
|
+ }
|
|
|
+ GB_PANIC("unknown integer size");
|
|
|
+ } break;
|
|
|
+
|
|
|
+ case Token_Sub: { // 0-x
|
|
|
+ isize bits = 8*type_size_of(p->allocator, x->type);
|
|
|
+ if (is_type_integer(x->type)) {
|
|
|
+ switch (bits) {
|
|
|
+ case 8: return ssa_new_value1(p, ssaOp_Neg8, type, x);
|
|
|
+ case 16: return ssa_new_value1(p, ssaOp_Neg16, type, x);
|
|
|
+ case 32: return ssa_new_value1(p, ssaOp_Neg32, type, x);
|
|
|
+ case 64: return ssa_new_value1(p, ssaOp_Neg64, type, x);
|
|
|
+ }
|
|
|
+ } else if (is_type_float(x->type)) {
|
|
|
+ switch (bits) {
|
|
|
+ case 32: return ssa_new_value1(p, ssaOp_Neg32F, type, x);
|
|
|
+ case 64: return ssa_new_value1(p, ssaOp_Neg64F, type, x);
|
|
|
+ }
|
|
|
+ }
|
|
|
+ GB_PANIC("unknown type for -x");
|
|
|
+ } break;
|
|
|
+ }
|
|
|
+ return NULL;
|
|
|
+}
|
|
|
+ssaValue *ssa_emit_arith(ssaProc *p, TokenKind op, ssaValue *x, ssaValue *y, Type *type) {
|
|
|
+ if (is_type_vector(x->type)) {
|
|
|
+ GB_PANIC("TODO(bill): ssa_emit_arith vector");
|
|
|
+ } else if (is_type_complex(x->type)) {
|
|
|
+ GB_PANIC("TODO(bill): ssa_emit_arith complex");
|
|
|
+ } else if (is_type_quaternion(x->type)) {
|
|
|
+ GB_PANIC("TODO(bill): ssa_emit_arith quaternion");
|
|
|
+ }
|
|
|
+
|
|
|
+ if (op == Token_Add) {
|
|
|
+ if (is_type_pointer(x->type)) {
|
|
|
+ GB_PANIC("TODO(bill): Ptr arith");
|
|
|
+ ssaValue *ptr = ssa_emit_conv(p, x, type);
|
|
|
+ ssaValue *offset = y;
|
|
|
+ // return ssa_emit_ptr_offset(p, ptr, offset);
|
|
|
+ } else if (is_type_pointer(y->type)) {
|
|
|
+ GB_PANIC("TODO(bill): Ptr arith");
|
|
|
+
|
|
|
+ ssaValue *ptr = ssa_emit_conv(p, y, type);
|
|
|
+ ssaValue *offset = x;
|
|
|
+ // return ssa_emit_ptr_offset(p, ptr, offset);
|
|
|
+ }
|
|
|
+ } else if (op == Token_Sub) {
|
|
|
+ if (is_type_pointer(x->type) && is_type_integer(y->type)) {
|
|
|
+ GB_PANIC("TODO(bill): Ptr arith");
|
|
|
+ // ptr - int
|
|
|
+ ssaValue *ptr = ssa_emit_conv(p, x, type);
|
|
|
+ ssaValue *offset = y;
|
|
|
+ // return ssa_emit_ptr_offset(p, ptr, offset);
|
|
|
+ } else if (is_type_pointer(x->type) && is_type_pointer(y->type)) {
|
|
|
+ GB_ASSERT(is_type_integer(type));
|
|
|
+ Type *ptr_type = base_type(x->type);
|
|
|
+ GB_ASSERT(!is_type_rawptr(ptr_type));
|
|
|
+ ssaValue *elem_size = ssa_const_int(p, t_int, type_size_of(p->allocator, ptr_type->Pointer.elem));
|
|
|
+ ssaValue *a = ssa_emit_conv(p, x, type);
|
|
|
+ ssaValue *b = ssa_emit_conv(p, y, type);
|
|
|
+ ssaValue *diff = ssa_emit_arith(p, op, a, b, type);
|
|
|
+ return ssa_emit_arith(p, Token_Quo, diff, elem_size, type);
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ switch (op) {
|
|
|
+ case Token_Add:
|
|
|
+ case Token_Sub:
|
|
|
+ case Token_Mul:
|
|
|
+ case Token_Quo:
|
|
|
+ case Token_Mod:
|
|
|
+ case Token_And:
|
|
|
+ case Token_Or:
|
|
|
+ case Token_Xor:
|
|
|
+ case Token_AndNot:
|
|
|
+ GB_ASSERT(x != NULL && y != NULL);
|
|
|
+ return ssa_new_value2(p, ssa_determine_op(op, x->type), type, x, y);
|
|
|
+ }
|
|
|
+
|
|
|
+ return NULL;
|
|
|
+}
|
|
|
+
|
|
|
+
|
|
|
+
|
|
|
+
|
|
|
ssaValue *ssa_build_cond(ssaProc *p, AstNode *cond, ssaBlock *yes, ssaBlock *no) {
|
|
|
switch (cond->kind) {
|
|
|
case_ast_node(pe, ParenExpr, cond);
|
|
@@ -1439,47 +1746,12 @@ ssaValue *ssa_build_expr(ssaProc *p, AstNode *expr) {
|
|
|
case_end;
|
|
|
|
|
|
case_ast_node(ue, UnaryExpr, expr);
|
|
|
- switch (ue->op.kind) {
|
|
|
- case Token_Pointer: {
|
|
|
+ if (ue->op.kind == Token_Pointer) {
|
|
|
return ssa_build_addr(p, ue->expr).addr;
|
|
|
- } break;
|
|
|
-
|
|
|
- case Token_Add:
|
|
|
- return ssa_build_expr(p, ue->expr);
|
|
|
-
|
|
|
- case Token_Not: // Boolean not
|
|
|
- return ssa_new_value1(p, ssaOp_NotB, tv->type, ssa_build_expr(p, ue->expr));
|
|
|
- case Token_Xor: { // Bitwise not
|
|
|
- ssaValue *x = ssa_build_expr(p, ue->expr);
|
|
|
- isize bits = 8*type_size_of(p->allocator, x->type);
|
|
|
- switch (bits) {
|
|
|
- case 8: return ssa_new_value1(p, ssaOp_Not8, tv->type, x);
|
|
|
- case 16: return ssa_new_value1(p, ssaOp_Not16, tv->type, x);
|
|
|
- case 32: return ssa_new_value1(p, ssaOp_Not32, tv->type, x);
|
|
|
- case 64: return ssa_new_value1(p, ssaOp_Not64, tv->type, x);
|
|
|
- }
|
|
|
- GB_PANIC("unknown integer size");
|
|
|
- } break;
|
|
|
-
|
|
|
- case Token_Sub: { // 0-x
|
|
|
- ssaValue *x = ssa_build_expr(p, ue->expr);
|
|
|
- isize bits = 8*type_size_of(p->allocator, x->type);
|
|
|
- if (is_type_integer(x->type)) {
|
|
|
- switch (bits) {
|
|
|
- case 8: return ssa_new_value1(p, ssaOp_Neg8, tv->type, x);
|
|
|
- case 16: return ssa_new_value1(p, ssaOp_Neg16, tv->type, x);
|
|
|
- case 32: return ssa_new_value1(p, ssaOp_Neg32, tv->type, x);
|
|
|
- case 64: return ssa_new_value1(p, ssaOp_Neg64, tv->type, x);
|
|
|
- }
|
|
|
- } else if (is_type_float(x->type)) {
|
|
|
- switch (bits) {
|
|
|
- case 32: return ssa_new_value1(p, ssaOp_Neg32F, tv->type, x);
|
|
|
- case 64: return ssa_new_value1(p, ssaOp_Neg64F, tv->type, x);
|
|
|
- }
|
|
|
- }
|
|
|
- GB_PANIC("unknown type for -x");
|
|
|
- } break;
|
|
|
}
|
|
|
+ ssaValue *x = ssa_build_expr(p, ue->expr);
|
|
|
+ return ssa_emit_unary_arith(p, ue->op.kind, x, tv->type);
|
|
|
+
|
|
|
case_end;
|
|
|
|
|
|
case_ast_node(be, BinaryExpr, expr);
|
|
@@ -1497,8 +1769,7 @@ ssaValue *ssa_build_expr(ssaProc *p, AstNode *expr) {
|
|
|
case Token_AndNot: {
|
|
|
ssaValue *x = ssa_build_expr(p, be->left);
|
|
|
ssaValue *y = ssa_build_expr(p, be->right);
|
|
|
- GB_ASSERT(x != NULL && y != NULL);
|
|
|
- return ssa_new_value2(p, ssa_determine_op(be->op.kind, x->type), tv->type, x, y);
|
|
|
+ return ssa_emit_arith(p, be->op.kind, x, y, type);
|
|
|
}
|
|
|
|
|
|
case Token_Shl:
|
|
@@ -1527,8 +1798,126 @@ ssaValue *ssa_build_expr(ssaProc *p, AstNode *expr) {
|
|
|
break;
|
|
|
}
|
|
|
case_end;
|
|
|
+
|
|
|
+ case_ast_node(de, DerefExpr, expr);
|
|
|
+ return ssa_addr_load(p, ssa_build_addr(p, expr));
|
|
|
+ case_end;
|
|
|
+
|
|
|
+ case_ast_node(se, SelectorExpr, expr);
|
|
|
+ return ssa_addr_load(p, ssa_build_addr(p, expr));
|
|
|
+ case_end;
|
|
|
+
|
|
|
+ case_ast_node(te, TernaryExpr, expr);
|
|
|
+ ssa_emit_comment(p, str_lit("TernaryExpr"));
|
|
|
+
|
|
|
+ ssaValue *yes = NULL;
|
|
|
+ ssaValue *no = NULL;
|
|
|
+
|
|
|
+ GB_ASSERT(te->y != NULL);
|
|
|
+ ssaBlock *then = ssa_new_block(p, ssaBlock_Plain, "if.then");
|
|
|
+ ssaBlock *done = ssa_new_block(p, ssaBlock_Plain, "if.done"); // NOTE(bill): Append later
|
|
|
+ ssaBlock *else_ = ssa_new_block(p, ssaBlock_Plain, "if.else");
|
|
|
+
|
|
|
+ ssaBlock *v = NULL;
|
|
|
+
|
|
|
+ ssa_build_cond(p, te->cond, then, else_);
|
|
|
+ ssa_start_block(p, then);
|
|
|
+
|
|
|
+ // ssa_open_scope(p);
|
|
|
+ yes = ssa_build_expr(p, te->x);
|
|
|
+ // ssa_close_scope(p, ssaDeferExit_Default, NULL);
|
|
|
+
|
|
|
+ ssa_emit_jump(p, done);
|
|
|
+ ssa_start_block(p, else_);
|
|
|
+
|
|
|
+ // ssa_open_scope(p);
|
|
|
+ no = ssa_build_expr(p, te->y);
|
|
|
+ // ssa_close_scope(p, ssaDeferExit_Default, NULL);
|
|
|
+
|
|
|
+ ssa_emit_jump(p, done);
|
|
|
+ ssa_start_block(p, done);
|
|
|
+
|
|
|
+ return ssa_new_value2(p, ssaOp_Phi, tv->type, yes, no);
|
|
|
+ case_end;
|
|
|
+
|
|
|
+
|
|
|
+ case_ast_node(ce, CastExpr, expr);
|
|
|
+ Type *type = tv->type;
|
|
|
+ ssaValue *e = ssa_build_expr(p, ce->expr);
|
|
|
+ switch (ce->token.kind) {
|
|
|
+ case Token_cast:
|
|
|
+ ssa_emit_comment(p, str_lit("cast - cast"));
|
|
|
+ return ssa_emit_conv(p, e, type);
|
|
|
+
|
|
|
+ // case Token_transmute:
|
|
|
+ // ssa_emit_comment(p, str_lit("cast - transmute"));
|
|
|
+ // return ssa_emit_transmute(p, e, type);
|
|
|
+
|
|
|
+ #if 0
|
|
|
+ case Token_down_cast:
|
|
|
+ ssa_emit_comment(p, str_lit("cast - down_cast"));
|
|
|
+ return ssa_emit_down_cast(p, e, type);
|
|
|
+ #endif
|
|
|
+
|
|
|
+ // case Token_union_cast:
|
|
|
+ // ssa_emit_comment(p, str_lit("cast - union_cast"));
|
|
|
+ // return ssa_emit_union_cast(p, e, type, ast_node_token(expr).pos);
|
|
|
+
|
|
|
+ default:
|
|
|
+ GB_PANIC("Unhandled cast expression %.*s", LIT(token_strings[ce->token.kind]));
|
|
|
+ }
|
|
|
+ case_end;
|
|
|
+
|
|
|
+ case_ast_node(pl, ProcLit, expr);
|
|
|
+ GB_PANIC("TODO(bill): ssa_build_expr ProcLit");
|
|
|
+ #if 0
|
|
|
+ // NOTE(bill): Generate a new name
|
|
|
+ // parent$count
|
|
|
+ isize name_len = proc->name.len + 1 + 8 + 1;
|
|
|
+ u8 *name_text = gb_alloc_array(proc->module->allocator, u8, name_len);
|
|
|
+ name_len = gb_snprintf(cast(char *)name_text, name_len, "%.*s$%d", LIT(proc->name), cast(i32)proc->children.count);
|
|
|
+ String name = make_string(name_text, name_len-1);
|
|
|
+
|
|
|
+ Type *type = type_of_expr(proc->module->info, expr);
|
|
|
+ irValue *value = ir_value_procedure(proc->module->allocator,
|
|
|
+ proc->module, NULL, type, pl->type, pl->body, name);
|
|
|
+
|
|
|
+ value->Proc.tags = pl->tags;
|
|
|
+ value->Proc.parent = proc;
|
|
|
+
|
|
|
+ array_add(&proc->children, &value->Proc);
|
|
|
+ array_add(&proc->module->procs_to_generate, value);
|
|
|
+
|
|
|
+ return value;
|
|
|
+ #endif
|
|
|
+ case_end;
|
|
|
+
|
|
|
+ case_ast_node(cl, CompoundLit, expr);
|
|
|
+ return ssa_addr_load(p, ssa_build_addr(p, expr));
|
|
|
+ case_end;
|
|
|
+
|
|
|
+
|
|
|
+ case_ast_node(ce, CallExpr, expr);
|
|
|
+ if (map_tav_get(&p->module->info->types, hash_pointer(ce->proc))->mode == Addressing_Type) {
|
|
|
+ GB_ASSERT(ce->args.count == 1);
|
|
|
+ ssaValue *x = ssa_build_expr(p, ce->args.e[0]);
|
|
|
+ return ssa_emit_conv(p, x, tv->type);
|
|
|
+ }
|
|
|
+
|
|
|
+ AstNode *p = unparen_expr(ce->proc);
|
|
|
+ GB_PANIC("TODO(bill): ssa_build_expr CallExpr");
|
|
|
+ case_end;
|
|
|
+
|
|
|
+ case_ast_node(se, SliceExpr, expr);
|
|
|
+ return ssa_addr_load(p, ssa_build_addr(p, expr));
|
|
|
+ case_end;
|
|
|
+
|
|
|
+ case_ast_node(ie, IndexExpr, expr);
|
|
|
+ return ssa_addr_load(p, ssa_build_addr(p, expr));
|
|
|
+ case_end;
|
|
|
}
|
|
|
|
|
|
+ GB_PANIC("Unexpected expression: %.*s", LIT(ast_node_strings[expr->kind]));
|
|
|
|
|
|
return NULL;
|
|
|
}
|
|
@@ -1566,21 +1955,43 @@ void ssa_build_when_stmt(ssaProc *p, AstNodeWhenStmt *ws) {
|
|
|
}
|
|
|
|
|
|
void ssa_build_assign_op(ssaProc *p, ssaAddr lhs, ssaValue *value, TokenKind op) {
|
|
|
- // ssaValue *old_value = ssa_addr_load(p, lhs);
|
|
|
- // Type *type = old_value->type;
|
|
|
+ ssaValue *old_value = ssa_addr_load(p, lhs);
|
|
|
+ Type *type = old_value->type;
|
|
|
|
|
|
- // ssaValue *change = value;
|
|
|
- // if (is_type_pointer(type) && is_type_integer(value->type)) {
|
|
|
- // change = ssa_emit_conv(p, value, default_type(value->type));
|
|
|
- // } else {
|
|
|
- // change = ssa_emit_conv(p, value, type);
|
|
|
- // }
|
|
|
- // ssaValue *new_value = ssa_emit_arith(p, op, old_value, change, type);
|
|
|
- // ssa_addr_store(p, lhs, new_value);
|
|
|
+ ssaValue *change = value;
|
|
|
+ if (is_type_pointer(type) && is_type_integer(value->type)) {
|
|
|
+ change = ssa_emit_conv(p, value, default_type(value->type));
|
|
|
+ } else {
|
|
|
+ change = ssa_emit_conv(p, value, type);
|
|
|
+ }
|
|
|
+ ssaValue *new_value = ssa_emit_arith(p, op, old_value, change, type);
|
|
|
+ ssa_addr_store(p, lhs, new_value);
|
|
|
}
|
|
|
|
|
|
-
|
|
|
+void ssa_build_stmt_internal(ssaProc *p, AstNode *node);
|
|
|
void ssa_build_stmt(ssaProc *p, AstNode *node) {
|
|
|
+ u32 prev_stmt_state_flags = p->module->stmt_state_flags;
|
|
|
+
|
|
|
+ if (node->stmt_state_flags != 0) {
|
|
|
+ u32 in = node->stmt_state_flags;
|
|
|
+ u32 out = p->module->stmt_state_flags;
|
|
|
+
|
|
|
+ if (in & StmtStateFlag_bounds_check) {
|
|
|
+ out |= StmtStateFlag_bounds_check;
|
|
|
+ out &= ~StmtStateFlag_no_bounds_check;
|
|
|
+ } else if (in & StmtStateFlag_no_bounds_check) {
|
|
|
+ out |= StmtStateFlag_no_bounds_check;
|
|
|
+ out &= ~StmtStateFlag_bounds_check;
|
|
|
+ }
|
|
|
+
|
|
|
+ p->module->stmt_state_flags = out;
|
|
|
+ }
|
|
|
+
|
|
|
+ ssa_build_stmt_internal(p, node);
|
|
|
+
|
|
|
+ p->module->stmt_state_flags = prev_stmt_state_flags;
|
|
|
+}
|
|
|
+void ssa_build_stmt_internal(ssaProc *p, AstNode *node) {
|
|
|
if (p->curr_block == NULL) {
|
|
|
ssaBlock *dead_block = ssa_new_block(p, ssaBlock_Plain, "");
|
|
|
ssa_start_block(p, dead_block);
|
|
@@ -1591,7 +2002,9 @@ void ssa_build_stmt(ssaProc *p, AstNode *node) {
|
|
|
case_end;
|
|
|
|
|
|
case_ast_node(bs, BlockStmt, node);
|
|
|
+ ssa_open_scope(p);
|
|
|
ssa_build_stmt_list(p, bs->stmts);
|
|
|
+ ssa_close_scope(p, ssaDeferExit_Default, NULL);
|
|
|
case_end;
|
|
|
|
|
|
case_ast_node(us, UsingStmt, node);
|
|
@@ -1649,11 +2062,11 @@ void ssa_build_stmt(ssaProc *p, AstNode *node) {
|
|
|
if (init == NULL) { // TODO(bill): remove this
|
|
|
continue;
|
|
|
}
|
|
|
- Type *t = type_deref(init->type);
|
|
|
- if (init->op == ssaOp_Addr && t->kind == Type_Tuple) {
|
|
|
+ Type *t = base_type(init->type);
|
|
|
+ if (t->kind == Type_Tuple) {
|
|
|
for (isize i = 0; i < t->Tuple.variable_count; i++) {
|
|
|
- Entity *e = t->Tuple.variables[i];
|
|
|
- ssaValue *v = ssa_emit_ptr_index(p, init, i);
|
|
|
+ // Entity *e = t->Tuple.variables[i];
|
|
|
+ ssaValue *v = ssa_emit_value_index(p, init, i);
|
|
|
array_add(&inits, v);
|
|
|
}
|
|
|
} else {
|
|
@@ -1667,6 +2080,8 @@ void ssa_build_stmt(ssaProc *p, AstNode *node) {
|
|
|
}
|
|
|
|
|
|
gb_temp_arena_memory_end(tmp);
|
|
|
+ } else {
|
|
|
+ GB_PANIC("TODO(bill): ssa_build_stmt Type/Proc Entities");
|
|
|
}
|
|
|
case_end;
|
|
|
|
|
@@ -1714,12 +2129,12 @@ void ssa_build_stmt(ssaProc *p, AstNode *node) {
|
|
|
|
|
|
for_array(i, as->rhs) {
|
|
|
ssaValue *init = ssa_build_expr(p, as->rhs.e[i]);
|
|
|
- Type *t = type_deref(init->type);
|
|
|
+ Type *t = base_type(init->type);
|
|
|
// TODO(bill): refactor for code reuse as this is repeated a bit
|
|
|
- if (init->op == ssaOp_Addr && t->kind == Type_Tuple) {
|
|
|
+ if (t->kind == Type_Tuple) {
|
|
|
for (isize i = 0; i < t->Tuple.variable_count; i++) {
|
|
|
Entity *e = t->Tuple.variables[i];
|
|
|
- ssaValue *v = ssa_emit_ptr_index(p, init, i);
|
|
|
+ ssaValue *v = ssa_emit_value_index(p, init, i);
|
|
|
array_add(&inits, v);
|
|
|
}
|
|
|
} else {
|
|
@@ -1734,14 +2149,14 @@ void ssa_build_stmt(ssaProc *p, AstNode *node) {
|
|
|
} break;
|
|
|
|
|
|
default: {
|
|
|
- GB_PANIC("TODO(bill): assign operations");
|
|
|
+ // GB_PANIC("TODO(bill): assign operations");
|
|
|
// NOTE(bill): Only 1 += 1 is allowed, no tuples
|
|
|
// +=, -=, etc
|
|
|
- // i32 op = cast(i32)as->op.kind;
|
|
|
- // op += Token_Add - Token_AddEq; // Convert += to +
|
|
|
- // ssaAddr lhs = ssa_build_addr(p, as->lhs.e[0]);
|
|
|
- // ssaValue *value = ssa_build_expr(p, as->rhs.e[0]);
|
|
|
- // ssa_build_assign_op(p, lhs, value, cast(TokenKind)op);
|
|
|
+ i32 op = cast(i32)as->op.kind;
|
|
|
+ op += Token_Add - Token_AddEq; // Convert += to +
|
|
|
+ ssaAddr lhs = ssa_build_addr(p, as->lhs.e[0]);
|
|
|
+ ssaValue *value = ssa_build_expr(p, as->rhs.e[0]);
|
|
|
+ ssa_build_assign_op(p, lhs, value, cast(TokenKind)op);
|
|
|
} break;
|
|
|
}
|
|
|
|
|
@@ -1754,7 +2169,13 @@ void ssa_build_stmt(ssaProc *p, AstNode *node) {
|
|
|
case_end;
|
|
|
|
|
|
case_ast_node(ds, DeferStmt, node);
|
|
|
- GB_PANIC("TODO: DeferStmt");
|
|
|
+ // GB_PANIC("TODO: DeferStmt");
|
|
|
+ ssa_emit_comment(p, str_lit("DeferStmt"));
|
|
|
+ i32 scope_level = p->scope_level;
|
|
|
+ if (ds->stmt->kind == AstNode_BlockStmt) {
|
|
|
+ scope_level--;
|
|
|
+ }
|
|
|
+ ssa_add_defer_node(p, scope_level, ds->stmt);
|
|
|
case_end;
|
|
|
|
|
|
case_ast_node(rs, ReturnStmt, node);
|
|
@@ -1780,18 +2201,18 @@ void ssa_build_stmt(ssaProc *p, AstNode *node) {
|
|
|
ssa_build_cond(p, is->cond, then, else_);
|
|
|
ssa_start_block(p, then);
|
|
|
|
|
|
- // ssa_open_scope(p);
|
|
|
+ ssa_open_scope(p);
|
|
|
ssa_build_stmt(p, is->body);
|
|
|
- // ssa_close_scope(p, ssaDeferExit_Default, NULL);
|
|
|
+ ssa_close_scope(p, ssaDeferExit_Default, NULL);
|
|
|
|
|
|
ssa_emit_jump(p, done);
|
|
|
|
|
|
if (is->else_stmt != NULL) {
|
|
|
ssa_start_block(p, else_);
|
|
|
|
|
|
- // ssa_open_scope(p);
|
|
|
+ ssa_open_scope(p);
|
|
|
ssa_build_stmt(p, is->else_stmt);
|
|
|
- // ssa_close_scope(p, ssaDeferExit_Default, NULL);
|
|
|
+ ssa_close_scope(p, ssaDeferExit_Default, NULL);
|
|
|
|
|
|
ssa_emit_jump(p, done);
|
|
|
}
|
|
@@ -1829,9 +2250,9 @@ void ssa_build_stmt(ssaProc *p, AstNode *node) {
|
|
|
}
|
|
|
|
|
|
ssa_push_target_list(p, done, post, NULL);
|
|
|
- // ssa_open_scope(p);
|
|
|
+ ssa_open_scope(p);
|
|
|
ssa_build_stmt(p, fs->body);
|
|
|
- // ssa_close_scope(p, ssaDeferExit_Default, NULL);
|
|
|
+ ssa_close_scope(p, ssaDeferExit_Default, NULL);
|
|
|
ssa_pop_target_list(p);
|
|
|
|
|
|
ssa_emit_jump(p, post);
|
|
@@ -1877,7 +2298,7 @@ void ssa_build_stmt(ssaProc *p, AstNode *node) {
|
|
|
break;
|
|
|
}
|
|
|
if (b != NULL) {
|
|
|
- // ssa_emit_defer_stmts(p, irDeferExit_Branch, b);
|
|
|
+ ssa_emit_defer_stmts(p, ssaDeferExit_Branch, b);
|
|
|
}
|
|
|
switch (bs->token.kind) {
|
|
|
case Token_break: ssa_emit_comment(p, str_lit("break")); break;
|
|
@@ -1986,6 +2407,9 @@ void ssa_print_proc(gbFile *f, ssaProc *p) {
|
|
|
gb_fprintf(f, " b%d", pred->id);
|
|
|
}
|
|
|
}
|
|
|
+ if (b->name.len > 0) {
|
|
|
+ gb_fprintf(f, " ; %.*s", LIT(b->name));
|
|
|
+ }
|
|
|
gb_fprintf(f, "\n");
|
|
|
|
|
|
isize n = 0;
|
|
@@ -2087,6 +2511,10 @@ void ssa_build_proc(ssaModule *m, ssaProc *p) {
|
|
|
ssa_start_block(p, p->entry);
|
|
|
ssa_build_stmt(p, pl->body);
|
|
|
|
|
|
+ if (p->entity->type->Proc.result_count == 0) {
|
|
|
+ ssa_emit_defer_stmts(p, ssaDeferExit_Return, NULL);
|
|
|
+ }
|
|
|
+
|
|
|
p->exit = ssa_new_block(p, ssaBlock_Exit, "exit");
|
|
|
ssa_emit_jump(p, p->exit);
|
|
|
|