xref: /llvm-project/clang/test/CodeGen/ms_struct-long-double.c (revision 87c2ad29ee4e9e939a41935b9cde2b03f336394a)
1 // RUN: %clang_cc1 -emit-llvm-only -triple i686-windows-gnu -fdump-record-layouts %s | FileCheck %s
2 // RUN: %clang_cc1 -emit-llvm-only -triple i686-linux -fdump-record-layouts -Wno-incompatible-ms-struct %s | FileCheck %s
3 // RUN: not %clang_cc1 -emit-llvm-only -triple i686-linux -fdump-record-layouts %s 2>&1 | FileCheck %s -check-prefix=ERROR
4 
5 struct ldb_struct {
6   char c;
7   long double ldb;
8 } __attribute__((__ms_struct__));
9 
10 struct ldb_struct a;
11 
12 // CHECK:             0 | struct ldb_struct
13 // CHECK-NEXT:        0 |   char c
14 // CHECK-NEXT:        4 |   long double ldb
15 // CHECK-NEXT:          | [sizeof=16, align=4]
16 
17 // ERROR: error: ms_struct may not produce Microsoft-compatible layouts with fundamental data types with sizes that aren't a power of two
18