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LLVM IR: Improve type switch case names for better debuggability when generating LLVM IR

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This commit is contained in:
gingerBill
2025-12-27 12:48:25 +00:00
parent 4e40b808c4
commit 14a60adefe
1 changed files with 11 additions and 2 deletions
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13
src/llvm_backend_stmt.cpp
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@@ -1962,7 +1962,7 @@ gb_internal void lb_build_type_switch_stmt(lbProcedure *p, AstTypeSwitchStmt *ss
num_cases += cc->list.count;
if (cc->list.count == 0) {
GB_ASSERT(default_block == nullptr);
default_block = lb_create_block(p, "typeswitch.default.body");
default_block = lb_create_block(p, "typeswitch.case.default");
else_block = default_block;
}
}
@@ -2042,7 +2042,16 @@ gb_internal void lb_build_type_switch_stmt(lbProcedure *p, AstTypeSwitchStmt *ss
continue;
}
lbBlock *body = lb_create_block(p, "typeswitch.body");
char const *body_name = "typeswitch.case";
if (!are_types_identical(case_entity->type, parent_base_type)) {
gbString canonical_name = temp_canonical_string(case_entity->type);
gbString bn = gb_string_make(heap_allocator(), "typeswitch.case.");
bn = gb_string_append_length(bn, canonical_name, gb_string_length(canonical_name));
body_name = cast(char const *)bn;
}
lbBlock *body = lb_create_block(p, body_name);
if (p->debug_info != nullptr) {
LLVMSetCurrentDebugLocation2(p->builder, lb_debug_location_from_ast(p, clause));
}