motiejus/zig
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@typeOf now guarantees no runtime side effects

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related: #1627
This commit is contained in:
Andrew Kelley
2019-08-31 10:38:18 -04:00
parent 6ab8b2aab4
commit a223063923
7 changed files with 90 additions and 1 deletions
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7
src/codegen.cpp
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@@ -645,6 +645,7 @@ static ZigLLVMDIScope *get_di_scope(CodeGen *g, Scope *scope) {
case ScopeIdSuspend:
case ScopeIdCompTime:
case ScopeIdRuntime:
case ScopeIdTypeOf:
return get_di_scope(g, scope->parent);
}
zig_unreachable();
@@ -3757,6 +3758,7 @@ static void render_async_var_decls(CodeGen *g, Scope *scope) {
case ScopeIdSuspend:
case ScopeIdCompTime:
case ScopeIdRuntime:
case ScopeIdTypeOf:
scope = scope->parent;
continue;
}
@@ -5942,12 +5944,17 @@ static void ir_render(CodeGen *g, ZigFn *fn_entry) {
for (size_t block_i = 0; block_i < executable->basic_block_list.length; block_i += 1) {
IrBasicBlock *current_block = executable->basic_block_list.at(block_i);
if (get_scope_typeof(current_block->scope) != nullptr) {
LLVMBuildBr(g->builder, current_block->llvm_block);
}
assert(current_block->llvm_block);
LLVMPositionBuilderAtEnd(g->builder, current_block->llvm_block);
for (size_t instr_i = 0; instr_i < current_block->instruction_list.length; instr_i += 1) {
IrInstruction *instruction = current_block->instruction_list.at(instr_i);
if (instruction->ref_count == 0 && !ir_has_side_effects(instruction))
continue;
if (get_scope_typeof(instruction->scope) != nullptr)
continue;
if (!g->strip_debug_symbols) {
set_debug_location(g, instruction);