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Wrap Tilde's goto pseudo-instruction

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This commit is contained in:
gingerBill
2023-07-19 14:31:32 +01:00
parent b2edab193f
commit 7f97274ecc
3 changed files with 28 additions and 21 deletions
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src/tilde_stmt.cpp
+22 -17
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@@ -1,3 +1,11 @@
gb_internal bool cg_emit_goto(cgProcedure *p, TB_Node *control_region) {
if (tb_inst_get_control(p->func)) {
tb_inst_goto(p->func, control_region);
return true;
}
return false;
}
gb_internal cgValue cg_emit_load(cgProcedure *p, cgValue const &ptr, bool is_volatile) {
GB_ASSERT(is_type_pointer(ptr.type));
Type *type = type_deref(ptr.type);
@@ -857,7 +865,7 @@ gb_internal void cg_build_if_stmt(cgProcedure *p, Ast *node) {
if (is->init != nullptr) {
TB_Node *init = tb_inst_region_with_name(p->func, -1, "if_init");
tb_inst_goto(p->func, init);
cg_emit_goto(p, init);
tb_inst_set_control(p->func, init);
cg_build_stmt(p, is->init);
}
@@ -886,7 +894,7 @@ gb_internal void cg_build_if_stmt(cgProcedure *p, Ast *node) {
cg_build_stmt(p, is->body);
tb_inst_goto(p->func, done);
cg_emit_goto(p, done);
if (is->else_stmt != nullptr) {
tb_inst_set_control(p->func, else_);
@@ -895,7 +903,7 @@ gb_internal void cg_build_if_stmt(cgProcedure *p, Ast *node) {
cg_build_stmt(p, is->else_stmt);
cg_scope_close(p, cgDeferExit_Default, nullptr);
tb_inst_goto(p->func, done);
cg_emit_goto(p, done);
}
tb_inst_set_control(p->func, done);
@@ -909,7 +917,7 @@ gb_internal void cg_build_for_stmt(cgProcedure *p, Ast *node) {
if (fs->init != nullptr) {
TB_Node *init = tb_inst_region_with_name(p->func, -1, "for_init");
tb_inst_goto(p->func, init);
cg_emit_goto(p, init);
tb_inst_set_control(p->func, init);
cg_build_stmt(p, fs->init);
}
@@ -924,7 +932,7 @@ gb_internal void cg_build_for_stmt(cgProcedure *p, Ast *node) {
post = tb_inst_region_with_name(p->func, -1, "for_post");
}
tb_inst_goto(p->func, loop);
cg_emit_goto(p, loop);
tb_inst_set_control(p->func, loop);
if (loop != body) {
@@ -936,12 +944,12 @@ gb_internal void cg_build_for_stmt(cgProcedure *p, Ast *node) {
cg_build_stmt(p, fs->body);
cg_pop_target_list(p);
tb_inst_goto(p->func, post);
cg_emit_goto(p, post);
if (fs->post != nullptr) {
tb_inst_set_control(p->func, post);
cg_build_stmt(p, fs->post);
tb_inst_goto(p->func, loop);
cg_emit_goto(p, loop);
}
tb_inst_set_control(p->func, done);
}
@@ -1144,13 +1152,13 @@ gb_internal void cg_build_switch_stmt(cgProcedure *p, Ast *node) {
cg_scope_close(p, cgDeferExit_Default, body_region);
cg_pop_target_list(p);
tb_inst_goto(p->func, done);
cg_emit_goto(p, done);
tb_inst_set_control(p->func, next_cond);
}
if (default_block != nullptr) {
if (!is_trivial) {
tb_inst_goto(p->func, default_block);
cg_emit_goto(p, default_block);
}
tb_inst_set_control(p->func, default_block);
@@ -1161,7 +1169,8 @@ gb_internal void cg_build_switch_stmt(cgProcedure *p, Ast *node) {
cg_pop_target_list(p);
}
tb_inst_goto(p->func, done);
cg_emit_goto(p, done);
tb_inst_set_control(p->func, done);
cg_scope_close(p, cgDeferExit_Default, done);
@@ -1232,7 +1241,7 @@ gb_internal void cg_build_stmt(cgProcedure *p, Ast *node) {
cg_scope_close(p, cgDeferExit_Default, nullptr);
if (done != nullptr) {
tb_inst_goto(p->func, done);
cg_emit_goto(p, done);
tb_inst_set_control(p->func, done);
}
@@ -1304,9 +1313,7 @@ gb_internal void cg_build_stmt(cgProcedure *p, Ast *node) {
case_end;
case_ast_node(bs, BranchStmt, node);
TB_Node *prev_block = tb_inst_get_control(p->func);
TB_Node *block = nullptr;
TB_Node *block = nullptr;
if (bs->label != nullptr) {
cgBranchBlocks bb = cg_lookup_branch_blocks(p, bs->label);
@@ -1333,9 +1340,7 @@ gb_internal void cg_build_stmt(cgProcedure *p, Ast *node) {
GB_ASSERT(block != nullptr);
cg_emit_defer_stmts(p, cgDeferExit_Branch, block);
tb_inst_goto(p->func, block);
tb_inst_set_control(p->func, prev_block);
cg_emit_goto(p, block);
case_end;
case_ast_node(es, ExprStmt, node);