// RUN: %clang_cc1 -triple powerpc-ibm-aix-xcoff -fdump-record-layouts \ // RUN: -fsyntax-only -fxl-pragma-pack -x c %s | \ // RUN: FileCheck --check-prefixes=CHECK,32BIT %s // RUN: %clang_cc1 -triple powerpc-ibm-aix-xcoff -fdump-record-layouts \ // RUN: -fsyntax-only -fxl-pragma-pack -x c++ %s | \ // RUN: FileCheck --check-prefixes=CHECK,32BIT %s // RUN: %clang_cc1 -triple powerpc64-ibm-aix-xcoff -fdump-record-layouts \ // RUN: -fsyntax-only -fxl-pragma-pack -x c %s | \ // RUN: FileCheck --check-prefixes=CHECK,64BIT %s // RUN: %clang_cc1 -triple powerpc64-ibm-aix-xcoff -fdump-record-layouts \ // RUN: -fsyntax-only -fxl-pragma-pack -x c++ %s | \ // RUN: FileCheck --check-prefixes=CHECK,64BIT %s struct A { int a1 : 30; int a2 : 30; int a3 : 4; }; int a = sizeof(struct A); // CHECK: *** Dumping AST Record Layout // CHECK-NEXT: 0 | struct A // CHECK-NEXT: 0:0-29 | int a1 // CHECK-NEXT: 4:0-29 | int a2 // CHECK-NEXT: 8:0-3 | int a3 // CHECK-NEXT: sizeof=12, {{(dsize=12, )?}}align=4, preferredalign=4 #pragma align(packed) struct AlignPacked { int a1 : 30; int a2 : 30; int a3 : 4; }; #pragma align(reset) int b = sizeof(struct AlignPacked); // CHECK: *** Dumping AST Record Layout // CHECK-NEXT: 0 | struct AlignPacked // CHECK-NEXT: 0:0-29 | int a1 // CHECK-NEXT: 3:6-35 | int a2 // CHECK-NEXT: 7:4-7 | int a3 // CHECK-NEXT: sizeof=8, {{(dsize=8, )?}}align=1, preferredalign=1 #pragma pack(1) struct Pack1 { int a1 : 30; int a2 : 30; int a3 : 4; }; #pragma pack(pop) int c = sizeof(struct Pack1); // CHECK: *** Dumping AST Record Layout // CHECK-NEXT: 0 | struct Pack1 // CHECK-NEXT: 0:0-29 | int a1 // CHECK-NEXT: 3:6-35 | int a2 // CHECK-NEXT: 7:4-7 | int a3 // CHECK-NEXT: sizeof=8, {{(dsize=8, )?}}align=1, preferredalign=1 #pragma pack(2) struct Pack2 { int a1 : 30; int a2 : 30; int a3 : 4; }; #pragma pack(pop) int d = sizeof(struct Pack2); // CHECK: *** Dumping AST Record Layout // CHECK-NEXT: 0 | struct Pack2 // CHECK-NEXT: 0:0-29 | int a1 // CHECK-NEXT: 3:6-35 | int a2 // CHECK-NEXT: 7:4-7 | int a3 // CHECK-NEXT: sizeof=8, {{(dsize=8, )?}}align=2, preferredalign=2 // struct __attribute__((packed)) PackedAttr { char f1; int : 0; short : 3; char f4 : 2; }; int e = sizeof(struct PackedAttr); // CHECK: *** Dumping AST Record Layout // CHECK-NEXT: 0 | struct PackedAttr // CHECK-NEXT: 0 | char f1 // CHECK-NEXT: 4:- | int // CHECK-NEXT: 4:0-2 | short // CHECK-NEXT: 4:3-4 | char f4 // CHECK-NEXT: sizeof=5, {{(dsize=5, )?}}align=1, preferredalign=1 #pragma pack(2) struct __attribute__((packed)) PackedAttrAndPragma { char f1; long long : 0; }; #pragma pack(pop) int f = sizeof(struct PackedAttrAndPragma); // CHECK: *** Dumping AST Record Layout // CHECK-NEXT: 0 | struct PackedAttrAndPragma // CHECK-NEXT: 0 | char f1 // 32BIT-NEXT: 4:- | long long // 32BIT-NEXT: sizeof=4, {{(dsize=4, )?}}align=1, preferredalign=1 // 64BIT-NEXT: 8:- | long long // 64BIT-NEXT: sizeof=8, {{(dsize=8, )?}}align=1, preferredalign=1