44 lines · cpp
1// RUN: %clang_cc1 %std_cxx98-14 -w -triple=x86_64-pc-win32 -fms-compatibility -fdump-record-layouts-simple -foverride-record-layout=%S/Inputs/override-bit-field-layout.layout %s | FileCheck %s --check-prefixes=CHECK,PRE172// RUN: %clang_cc1 -std=c++17 -w -triple=x86_64-pc-win32 -fms-compatibility -fdump-record-layouts-simple -foverride-record-layout=%S/Inputs/override-bit-field-layout.layout %s | FileCheck %s --check-prefixes=CHECK,CXX173// RUN: %clang_cc1 %std_cxx20- -w -triple=x86_64-pc-win32 -fms-compatibility -fdump-record-layouts-simple -foverride-record-layout=%S/Inputs/override-bit-field-layout.layout %s | FileCheck %s --check-prefixes=CHECK,CXX204 5// PRE17: Type: struct S16// PRE17: FieldOffsets: [0, 11]7struct S1 {8 short a : 3;9 short b : 5;10};11 12// CHECK: Type: struct S213// CHECK: FieldOffsets: [64]14struct S2 {15 virtual ~S2() = default;16 short a : 3;17};18 19// CXX17: Type: struct S120// CXX17: FieldOffsets: [0, 11]21// CXX20: Type: struct S122// CXX20: FieldOffsets: [0, 3]23 24// CHECK: Type: struct S325// CHECK: Size:3226// CHECK: FieldOffsets: [0, 1]27struct S3 {28 int a : 1;29 int b : 2;30};31 32// CHECK: Type: struct S433// CHECK: FieldOffsets: [32]34struct S4 : S3 {35 char c;36};37 38void use_structs() {39 S1 s1s[sizeof(S1)];40 S2 s2s[sizeof(S2)];41 S3 s3s[sizeof(S3)];42 S4 s4s[sizeof(S4)];43}44