1 // RUN: %clang_cc1 -triple powerpc-ibm-aix-xcoff -fdump-record-layouts \ 2 // RUN: -fsyntax-only -fxl-pragma-pack -x c %s | \ 3 // RUN: FileCheck --check-prefixes=CHECK,32BIT %s 4 5 // RUN: %clang_cc1 -triple powerpc-ibm-aix-xcoff -fdump-record-layouts \ 6 // RUN: -fsyntax-only -fxl-pragma-pack -x c++ %s | \ 7 // RUN: FileCheck --check-prefixes=CHECK,32BIT %s 8 9 // RUN: %clang_cc1 -triple powerpc64-ibm-aix-xcoff -fdump-record-layouts \ 10 // RUN: -fsyntax-only -fxl-pragma-pack -x c %s | \ 11 // RUN: FileCheck --check-prefixes=CHECK,64BIT %s 12 13 // RUN: %clang_cc1 -triple powerpc64-ibm-aix-xcoff -fdump-record-layouts \ 14 // RUN: -fsyntax-only -fxl-pragma-pack -x c++ %s | \ 15 // RUN: FileCheck --check-prefixes=CHECK,64BIT %s 16 17 struct A { 18 int a1 : 30; 19 int a2 : 30; 20 int a3 : 4; 21 }; 22 23 int a = sizeof(struct A); 24 25 // CHECK: *** Dumping AST Record Layout 26 // CHECK-NEXT: 0 | struct A 27 // CHECK-NEXT: 0:0-29 | int a1 28 // CHECK-NEXT: 4:0-29 | int a2 29 // CHECK-NEXT: 8:0-3 | int a3 30 // CHECK-NEXT: sizeof=12, {{(dsize=12, )?}}align=4, preferredalign=4 31 32 #pragma align(packed) 33 struct AlignPacked { 34 int a1 : 30; 35 int a2 : 30; 36 int a3 : 4; 37 }; 38 #pragma align(reset) 39 40 int b = sizeof(struct AlignPacked); 41 42 // CHECK: *** Dumping AST Record Layout 43 // CHECK-NEXT: 0 | struct AlignPacked 44 // CHECK-NEXT: 0:0-29 | int a1 45 // CHECK-NEXT: 3:6-35 | int a2 46 // CHECK-NEXT: 7:4-7 | int a3 47 // CHECK-NEXT: sizeof=8, {{(dsize=8, )?}}align=1, preferredalign=1 48 49 #pragma pack(1) 50 struct Pack1 { 51 int a1 : 30; 52 int a2 : 30; 53 int a3 : 4; 54 }; 55 #pragma pack(pop) 56 57 int c = sizeof(struct Pack1); 58 59 // CHECK: *** Dumping AST Record Layout 60 // CHECK-NEXT: 0 | struct Pack1 61 // CHECK-NEXT: 0:0-29 | int a1 62 // CHECK-NEXT: 3:6-35 | int a2 63 // CHECK-NEXT: 7:4-7 | int a3 64 // CHECK-NEXT: sizeof=8, {{(dsize=8, )?}}align=1, preferredalign=1 65 66 #pragma pack(2) 67 struct Pack2 { 68 int a1 : 30; 69 int a2 : 30; 70 int a3 : 4; 71 }; 72 #pragma pack(pop) 73 74 int d = sizeof(struct Pack2); 75 76 // CHECK: *** Dumping AST Record Layout 77 // CHECK-NEXT: 0 | struct Pack2 78 // CHECK-NEXT: 0:0-29 | int a1 79 // CHECK-NEXT: 3:6-35 | int a2 80 // CHECK-NEXT: 7:4-7 | int a3 81 // CHECK-NEXT: sizeof=8, {{(dsize=8, )?}}align=2, preferredalign=2 82 // 83 struct __attribute__((packed)) PackedAttr { 84 char f1; 85 int : 0; 86 short : 3; 87 char f4 : 2; 88 }; 89 90 int e = sizeof(struct PackedAttr); 91 // CHECK: *** Dumping AST Record Layout 92 // CHECK-NEXT: 0 | struct PackedAttr 93 // CHECK-NEXT: 0 | char f1 94 // CHECK-NEXT: 4:- | int 95 // CHECK-NEXT: 4:0-2 | short 96 // CHECK-NEXT: 4:3-4 | char f4 97 // CHECK-NEXT: sizeof=5, {{(dsize=5, )?}}align=1, preferredalign=1 98 99 #pragma pack(2) 100 struct __attribute__((packed)) PackedAttrAndPragma { 101 char f1; 102 long long : 0; 103 }; 104 #pragma pack(pop) 105 106 int f = sizeof(struct PackedAttrAndPragma); 107 // CHECK: *** Dumping AST Record Layout 108 // CHECK-NEXT: 0 | struct PackedAttrAndPragma 109 // CHECK-NEXT: 0 | char f1 110 // 32BIT-NEXT: 4:- | long long 111 // 32BIT-NEXT: sizeof=4, {{(dsize=4, )?}}align=1, preferredalign=1 112 // 64BIT-NEXT: 8:- | long long 113 // 64BIT-NEXT: sizeof=8, {{(dsize=8, )?}}align=1, preferredalign=1 114