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cleanup: IrBasicBlockGen

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remove unused members { parent, index, ref_count }
This commit is contained in:
Michael Dusan 2020-04-21 08:22:21 -04:00 committed by Andrew Kelley
parent 78e2a203e3
commit 73677e178d
2 changed files with 1 additions and 24 deletions
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3
src/all_types.hpp
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@ -2590,11 +2590,8 @@ struct IrBasicBlockSrc {
struct IrBasicBlockGen {
ZigList<IrInstGen *> instruction_list;
IrBasicBlockSrc *parent;
Scope *scope;
const char *name_hint;
uint32_t index; // index into the basic block list
uint32_t ref_count;
LLVMBasicBlockRef llvm_block;
LLVMBasicBlockRef llvm_exit_block;
// The instruction that referenced this basic block and caused us to

22
src/ir.cpp
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@ -997,19 +997,10 @@ static bool instr_is_unreachable(IrInstSrc *instruction) {
return instruction->is_noreturn;
}
static void ir_link_new_bb(IrBasicBlockGen *new_bb, IrBasicBlockSrc *old_bb) {
new_bb->parent = old_bb;
old_bb->child = new_bb;
}
static void ir_ref_bb(IrBasicBlockSrc *bb) {
bb->ref_count += 1;
}
static void ir_ref_bb_gen(IrBasicBlockGen *bb) {
bb->ref_count += 1;
}
static void ir_ref_instruction(IrInstSrc *instruction, IrBasicBlockSrc *cur_bb) {
assert(instruction->id != IrInstSrcIdInvalid);
instruction->base.ref_count += 1;
@ -1023,8 +1014,6 @@ static void ir_ref_instruction(IrInstSrc *instruction, IrBasicBlockSrc *cur_bb)
static void ir_ref_inst_gen(IrInstGen *instruction, IrBasicBlockGen *cur_bb) {
assert(instruction->id != IrInstGenIdInvalid);
instruction->base.ref_count += 1;
if (instruction->owner_bb != cur_bb && !instr_is_comptime(instruction))
ir_ref_bb_gen(instruction->owner_bb);
}
static void ir_ref_var(ZigVar *var) {
@ -1084,13 +1073,12 @@ static IrBasicBlockGen *ir_create_basic_block_gen(IrAnalyze *ira, Scope *scope,
result->scope = scope;
result->name_hint = name_hint;
result->debug_id = exec_next_debug_id_gen(ira->new_irb.exec);
result->index = UINT32_MAX; // set later
return result;
}
static IrBasicBlockGen *ir_build_bb_from(IrAnalyze *ira, IrBasicBlockSrc *other_bb) {
IrBasicBlockGen *new_bb = ir_create_basic_block_gen(ira, other_bb->scope, other_bb->name_hint);
ir_link_new_bb(new_bb, other_bb);
other_bb->child = new_bb;
return new_bb;
}
@ -2082,8 +2070,6 @@ static IrInstGen *ir_build_cond_br_gen(IrAnalyze *ira, IrInst *source_instr, IrI
inst->else_block = else_block;
ir_ref_inst_gen(condition, ira->new_irb.current_basic_block);
ir_ref_bb_gen(then_block);
ir_ref_bb_gen(else_block);
return &inst->base;
}
@ -2527,7 +2513,6 @@ static IrInstGen *ir_build_phi_gen(IrAnalyze *ira, IrInst *source_instr, size_t
phi_instruction->incoming_values = incoming_values;
for (size_t i = 0; i < incoming_count; i += 1) {
ir_ref_bb_gen(incoming_blocks[i]);
ir_ref_inst_gen(incoming_values[i], ira->new_irb.current_basic_block);
}
@ -2552,8 +2537,6 @@ static IrInstGen *ir_build_br_gen(IrAnalyze *ira, IrInst *source_instr, IrBasicB
IrInstGenBr *inst = ir_build_inst_noreturn<IrInstGenBr>(&ira->new_irb, source_instr->scope, source_instr->source_node);
inst->dest_block = dest_block;
ir_ref_bb_gen(dest_block);
return &inst->base;
}
@ -3219,11 +3202,9 @@ static IrInstGenSwitchBr *ir_build_switch_br_gen(IrAnalyze *ira, IrInst *source_
instruction->cases = cases;
ir_ref_inst_gen(target_value, ira->new_irb.current_basic_block);
ir_ref_bb_gen(else_block);
for (size_t i = 0; i < case_count; i += 1) {
ir_ref_inst_gen(cases[i].value, ira->new_irb.current_basic_block);
ir_ref_bb_gen(cases[i].block);
}
return instruction;
@ -30590,7 +30571,6 @@ ZigType *ir_analyze(CodeGen *codegen, IrExecutableSrc *old_exec, IrExecutableGen
IrBasicBlockSrc *old_entry_bb = ira->old_irb.exec->basic_block_list.at(0);
IrBasicBlockGen *new_entry_bb = ir_get_new_bb(ira, old_entry_bb, nullptr);
ir_ref_bb_gen(new_entry_bb);
ira->new_irb.current_basic_block = new_entry_bb;
ira->old_bb_index = 0;