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fix constant debug info when number literal is 0

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This commit is contained in:
Andrew Kelley 2017-08-06 18:15:11 -04:00
parent a0a57beed5
commit d83e4092bf
2 changed files with 18 additions and 19 deletions
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34
src/analyze.cpp
View File

@ -813,8 +813,19 @@ static const char *calling_convention_name(CallingConvention cc) {
case CallingConventionCold: return "coldcc";
case CallingConventionNaked: return "nakedcc";
case CallingConventionStdcall: return "stdcallcc";
default: zig_unreachable();
}
zig_unreachable();
}
static const char *calling_convention_fn_type_str(CallingConvention cc) {
switch (cc) {
case CallingConventionUnspecified: return "";
case CallingConventionC: return "extern ";
case CallingConventionCold: return "coldcc ";
case CallingConventionNaked: return "nakedcc ";
case CallingConventionStdcall: return "stdcallcc ";
}
zig_unreachable();
}
TypeTableEntry *get_fn_type(CodeGen *g, FnTypeId *fn_type_id) {
@ -832,24 +843,7 @@ TypeTableEntry *get_fn_type(CodeGen *g, FnTypeId *fn_type_id) {
// populate the name of the type
buf_resize(&fn_type->name, 0);
const char *cc_str;
switch (fn_type->data.fn.fn_type_id.cc) {
case CallingConventionUnspecified:
cc_str = "";
break;
case CallingConventionC:
cc_str = "extern ";
break;
case CallingConventionCold:
cc_str = "coldcc ";
break;
case CallingConventionNaked:
cc_str = "nakedcc ";
break;
case CallingConventionStdcall:
cc_str = "stdcallcc ";
break;
}
const char *cc_str = calling_convention_fn_type_str(fn_type->data.fn.fn_type_id.cc);
buf_appendf(&fn_type->name, "%sfn(", cc_str);
for (size_t i = 0; i < fn_type_id->param_count; i += 1) {
FnTypeParamInfo *param_info = &fn_type_id->param_info[i];
@ -4145,6 +4139,8 @@ void render_const_value(CodeGen *g, Buf *buf, ConstExprValue *const_val) {
}
TypeTableEntry *make_int_type(CodeGen *g, bool is_signed, uint32_t size_in_bits) {
assert(size_in_bits > 0);
TypeTableEntry *entry = new_type_table_entry(TypeTableEntryIdInt);
entry->is_copyable = true;
entry->type_ref = LLVMIntType(size_in_bits);

3
src/codegen.cpp
View File

@ -3891,6 +3891,9 @@ static void do_code_gen(CodeGen *g) {
ConstExprValue *const_val = var->value;
assert(const_val->special != ConstValSpecialRuntime);
size_t bits_needed = bigint_bits_needed(&const_val->data.x_bigint);
if (bits_needed < 8) {
bits_needed = 8;
}
TypeTableEntry *var_type = get_int_type(g, const_val->data.x_bigint.is_negative, bits_needed);
LLVMValueRef init_val = bigint_to_llvm_const(var_type->type_ref, &const_val->data.x_bigint);
gen_global_var(g, var, init_val, var_type);