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core: Prepend statement type to basic block label names 

Aids debugging IR.
This commit is contained in:
David Mak 2023-09-05 09:41:05 +08:00
parent 17b4686260
commit 19915bac79
1 changed files with 13 additions and 13 deletions
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26
nac3core/src/codegen/stmt.rs
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@ -221,13 +221,13 @@ pub fn gen_for<'ctx, 'a, G: CodeGenerator>(
let int32 = ctx.ctx.i32_type(); let int32 = ctx.ctx.i32_type();
let size_t = generator.get_size_type(ctx.ctx); let size_t = generator.get_size_type(ctx.ctx);
let zero = int32.const_zero(); let zero = int32.const_zero();
let current = ctx.builder.get_insert_block().unwrap().get_parent().unwrap(); let current = ctx.builder.get_insert_block().and_then(|bb| bb.get_parent()).unwrap();
let test_bb = ctx.ctx.append_basic_block(current, "test"); let test_bb = ctx.ctx.append_basic_block(current, "for.cond");
let body_bb = ctx.ctx.append_basic_block(current, "body"); let body_bb = ctx.ctx.append_basic_block(current, "for.body");
let cont_bb = ctx.ctx.append_basic_block(current, "cont"); let cont_bb = ctx.ctx.append_basic_block(current, "for.end");
// if there is no orelse, we just go to cont_bb // if there is no orelse, we just go to cont_bb
let orelse_bb = let orelse_bb =
if orelse.is_empty() { cont_bb } else { ctx.ctx.append_basic_block(current, "orelse") }; if orelse.is_empty() { cont_bb } else { ctx.ctx.append_basic_block(current, "for.orelse") };
// store loop bb information and restore it later // store loop bb information and restore it later
let loop_bb = ctx.loop_target.replace((test_bb, cont_bb)); let loop_bb = ctx.loop_target.replace((test_bb, cont_bb));
@ -338,12 +338,12 @@ pub fn gen_while<'ctx, 'a, G: CodeGenerator>(
let var_assignment = ctx.var_assignment.clone(); let var_assignment = ctx.var_assignment.clone();
let current = ctx.builder.get_insert_block().unwrap().get_parent().unwrap(); let current = ctx.builder.get_insert_block().unwrap().get_parent().unwrap();
let test_bb = ctx.ctx.append_basic_block(current, "test"); let test_bb = ctx.ctx.append_basic_block(current, "while.test");
let body_bb = ctx.ctx.append_basic_block(current, "body"); let body_bb = ctx.ctx.append_basic_block(current, "while.body");
let cont_bb = ctx.ctx.append_basic_block(current, "cont"); let cont_bb = ctx.ctx.append_basic_block(current, "while.cont");
// if there is no orelse, we just go to cont_bb // if there is no orelse, we just go to cont_bb
let orelse_bb = let orelse_bb =
if orelse.is_empty() { cont_bb } else { ctx.ctx.append_basic_block(current, "orelse") }; if orelse.is_empty() { cont_bb } else { ctx.ctx.append_basic_block(current, "while.orelse") };
// store loop bb information and restore it later // store loop bb information and restore it later
let loop_bb = ctx.loop_target.replace((test_bb, cont_bb)); let loop_bb = ctx.loop_target.replace((test_bb, cont_bb));
ctx.builder.build_unconditional_branch(test_bb); ctx.builder.build_unconditional_branch(test_bb);
@ -401,15 +401,15 @@ pub fn gen_if<'ctx, 'a, G: CodeGenerator>(
let var_assignment = ctx.var_assignment.clone(); let var_assignment = ctx.var_assignment.clone();
let current = ctx.builder.get_insert_block().unwrap().get_parent().unwrap(); let current = ctx.builder.get_insert_block().unwrap().get_parent().unwrap();
let test_bb = ctx.ctx.append_basic_block(current, "test"); let test_bb = ctx.ctx.append_basic_block(current, "if.test");
let body_bb = ctx.ctx.append_basic_block(current, "body"); let body_bb = ctx.ctx.append_basic_block(current, "if.body");
let mut cont_bb = None; let mut cont_bb = None;
// if there is no orelse, we just go to cont_bb // if there is no orelse, we just go to cont_bb
let orelse_bb = if orelse.is_empty() { let orelse_bb = if orelse.is_empty() {
cont_bb = Some(ctx.ctx.append_basic_block(current, "cont")); cont_bb = Some(ctx.ctx.append_basic_block(current, "if.cont"));
cont_bb.unwrap() cont_bb.unwrap()
} else { } else {
ctx.ctx.append_basic_block(current, "orelse") ctx.ctx.append_basic_block(current, "if.orelse")
}; };
ctx.builder.build_unconditional_branch(test_bb); ctx.builder.build_unconditional_branch(test_bb);
ctx.builder.position_at_end(test_bb); ctx.builder.position_at_end(test_bb);