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when rendering llvm const values, ensure the types align

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the representation of the const expr val in zig, and the
type that we tell LLVM it is.
This commit is contained in:
Andrew Kelley
2019-01-09 10:43:48 -05:00
parent 4d5d0d3ada
commit 5864d92b40
5 changed files with 102 additions and 60 deletions
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8
src/codegen.cpp
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@@ -5626,6 +5626,8 @@ static LLVMValueRef gen_const_val_ptr(CodeGen *g, ConstExprValue *const_val, con
}
static LLVMValueRef gen_const_val(CodeGen *g, ConstExprValue *const_val, const char *name) {
Error err;
ZigType *type_entry = const_val->type;
assert(!type_entry->zero_bits);
@@ -5769,6 +5771,12 @@ static LLVMValueRef gen_const_val(CodeGen *g, ConstExprValue *const_val, const c
}
ConstExprValue *field_val = &const_val->data.x_struct.fields[i];
assert(field_val->type != nullptr);
if ((err = ensure_const_val_repr(nullptr, g, nullptr, field_val,
type_struct_field->type_entry)))
{
zig_unreachable();
}
LLVMValueRef val = gen_const_val(g, field_val, "");
fields[type_struct_field->gen_index] = val;
make_unnamed_struct = make_unnamed_struct || is_llvm_value_unnamed_type(field_val->type, val);