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1// Tests for bitfield access with zero-length bitfield padding2 3// Configs that have cheap unaligned access4// Little Endian5// RUN: %clang_cc1 -triple=aarch64-apple-darwin %s -emit-llvm -o /dev/null -fdump-record-layouts-simple | FileCheck --check-prefixes CHECK,LAYOUT-T %s6// RUN: %clang_cc1 -triple=aarch64-linux-gnu %s -emit-llvm -o /dev/null -fdump-record-layouts-simple | FileCheck --check-prefixes CHECK,LAYOUT-T %s7// RUN: %clang_cc1 -triple=arm-apple-darwin %s -emit-llvm -o /dev/null -fdump-record-layouts-simple | FileCheck --check-prefixes CHECK,LAYOUT-DWN32 %s8// RUN: %clang_cc1 -triple=arm-none-eabi %s -emit-llvm -o /dev/null -fdump-record-layouts-simple | FileCheck --check-prefixes CHECK,LAYOUT-T %s9// RUN: %clang_cc1 -triple=i686-linux-gnu %s -emit-llvm -o /dev/null -fdump-record-layouts-simple | FileCheck --check-prefixes CHECK,LAYOUT-T %s10// RUN: %clang_cc1 -triple=x86_64-linux-gnu %s -emit-llvm -o /dev/null -fdump-record-layouts-simple | FileCheck --check-prefixes CHECK,LAYOUT-T %s11 12// Big Endian13// RUN: %clang_cc1 -triple=powerpc-linux-gnu %s -emit-llvm -o /dev/null -fdump-record-layouts-simple | FileCheck --check-prefixes CHECK,LAYOUT-T %s14// RUN: %clang_cc1 -triple=powerpc64-linux-gnu %s -emit-llvm -o /dev/null -fdump-record-layouts-simple | FileCheck --check-prefixes CHECK,LAYOUT-T %s15 16// Configs that have expensive unaligned access17// Little Endian18// RUN: %clang_cc1 -triple=hexagon-elf %s -emit-llvm -o /dev/null -fdump-record-layouts-simple | FileCheck --check-prefixes CHECK,LAYOUT-T %s19 20// Big endian21// RUN: %clang_cc1 -triple=m68k-elf %s -emit-llvm -o /dev/null -fdump-record-layouts-simple | FileCheck --check-prefixes CHECK,LAYOUT-M68K %s22// RUN: %clang_cc1 -triple=mips-elf %s -emit-llvm -o /dev/null -fdump-record-layouts-simple | FileCheck --check-prefixes CHECK,LAYOUT-T %s23 24// And now a few with -fno-bitfield-type-align. Precisely how this behaves is25// ABI-dependent.26// Cheap unaligned27// RUN: %clang_cc1 -triple=aarch64-apple-darwin -fno-bitfield-type-align %s -emit-llvm -o /dev/null -fdump-record-layouts-simple | FileCheck --check-prefixes CHECK,LAYOUT-NT %s28// RUN: %clang_cc1 -triple=aarch64-linux-gnu -fno-bitfield-type-align %s -emit-llvm -o /dev/null -fdump-record-layouts-simple | FileCheck --check-prefixes CHECK,LAYOUT-ARM64-T %s29// RUN: %clang_cc1 -triple=arm-apple-darwin -fno-bitfield-type-align %s -emit-llvm -o /dev/null -fdump-record-layouts-simple | FileCheck --check-prefixes CHECK,LAYOUT-DWN32 %s30// RUN: %clang_cc1 -triple=i686-linux-gnu -fno-bitfield-type-align %s -emit-llvm -o /dev/null -fdump-record-layouts-simple | FileCheck --check-prefixes CHECK,LAYOUT-NT %s31// RUN: %clang_cc1 -triple=x86_64-linux-gnu -fno-bitfield-type-align %s -emit-llvm -o /dev/null -fdump-record-layouts-simple | FileCheck --check-prefixes CHECK,LAYOUT-NT %s32// RUN: %clang_cc1 -triple=powerpc-linux-gnu -fno-bitfield-type-align %s -emit-llvm -o /dev/null -fdump-record-layouts-simple | FileCheck --check-prefixes CHECK,LAYOUT-NT %s33// RUN: %clang_cc1 -triple=powerpc64-linux-gnu -fno-bitfield-type-align %s -emit-llvm -o /dev/null -fdump-record-layouts-simple | FileCheck --check-prefixes CHECK,LAYOUT-NT %s34 35// Expensive unaligned36// RUN: %clang_cc1 -triple=hexagon-elf -fno-bitfield-type-align %s -emit-llvm -o /dev/null -fdump-record-layouts-simple | FileCheck --check-prefixes CHECK,LAYOUT-STRICT-NT %s37// RUN: %clang_cc1 -triple=mips-elf -fno-bitfield-type-align %s -emit-llvm -o /dev/null -fdump-record-layouts-simple | FileCheck --check-prefixes CHECK,LAYOUT-STRICT-NT %s38 39 40struct P1 {41  unsigned a :8;42  char :0;43  unsigned b :8;44} p1;45// CHECK-LABEL: LLVMType:%struct.P1 =46// LAYOUT-T-SAME: type { i8, i8, [2 x i8] }47// LAYOUT-ARM64-T-SAME: type { i8, i8 }48// LAYOUT-M68K-SAME: type { i8, i8 }49// LAYOUT-NT-SAME: type { i8, i8 }50// LAYOUT-STRICT-NT-SAME: type { i8, i8 }51// LAYOUT-DWN32-SAME: type { i8, [3 x i8], i8, [3 x i8] }52// CHECK: BitFields:[53// LAYOUT-T-NEXT: <CGBitFieldInfo Offset:{{[0-9]+}} Size:8 IsSigned:0 StorageSize:8 StorageOffset:054// LAYOUT-T-NEXT: <CGBitFieldInfo Offset:{{[0-9]+}} Size:8 IsSigned:0 StorageSize:8 StorageOffset:155 56// LAYOUT-NT-NEXT: <CGBitFieldInfo Offset:{{[0-9]+}} Size:8 IsSigned:0 StorageSize:8 StorageOffset:057// LAYOUT-NT-NEXT: <CGBitFieldInfo Offset:{{[0-9]+}} Size:8 IsSigned:0 StorageSize:8 StorageOffset:158 59// LAYOUT-STRICT-NT-NEXT: <CGBitFieldInfo Offset:{{[0-9]+}} Size:8 IsSigned:0 StorageSize:8 StorageOffset:060// LAYOUT-STRICT-NT-NEXT: <CGBitFieldInfo Offset:{{[0-9]+}} Size:8 IsSigned:0 StorageSize:8 StorageOffset:161 62// LAYOUT-ARM64-T-NEXT: <CGBitFieldInfo Offset:{{[0-9]+}} Size:8 IsSigned:0 StorageSize:8 StorageOffset:063// LAYOUT-ARM64-T-NEXT: <CGBitFieldInfo Offset:{{[0-9]+}} Size:8 IsSigned:0 StorageSize:8 StorageOffset:164//65// LAYOUT-M68K-NEXT: <CGBitFieldInfo Offset:{{[0-9]+}} Size:8 IsSigned:0 StorageSize:8 StorageOffset:066// LAYOUT-M68K-NEXT: <CGBitFieldInfo Offset:{{[0-9]+}} Size:8 IsSigned:0 StorageSize:8 StorageOffset:167 68// LAYOUT-DWN32-NEXT: <CGBitFieldInfo Offset:{{[0-9]+}} Size:8 IsSigned:0 StorageSize:8 StorageOffset:069// LAYOUT-DWN32-NEXT: <CGBitFieldInfo Offset:{{[0-9]+}} Size:8 IsSigned:0 StorageSize:8 StorageOffset:470// CHECK-NEXT: ]>71 72// This will often be align(1) with -fno-bitfield-type-align73struct P2 {74  unsigned a :8;75  char :0;76  short :0;77  unsigned b :8;78} p2;79// CHECK-LABEL: LLVMType:%struct.P2 =80// LAYOUT-T-SAME: type { i8, i8, i8, i8 }81// LAYOUT-ARM64-T-SAME: type { i8, i8, i8, i8 }82// LAYOUT-M68K-SAME: type { i8, i8, i8, i8 }83// LAYOUT-NT-SAME: type { i8, i8 }84// LAYOUT-STRICT-NT-SAME: type { i8, i8 }85// LAYOUT-DWN32-SAME: type { i8, [3 x i8], i8, [3 x i8] }86// CHECK: BitFields:[87// LAYOUT-T-NEXT: <CGBitFieldInfo Offset:{{[0-9]+}} Size:8 IsSigned:0 StorageSize:8 StorageOffset:088// LAYOUT-T-NEXT: <CGBitFieldInfo Offset:{{[0-9]+}} Size:8 IsSigned:0 StorageSize:8 StorageOffset:289 90// LAYOUT-NT-NEXT: <CGBitFieldInfo Offset:{{[0-9]+}} Size:8 IsSigned:0 StorageSize:8 StorageOffset:091// LAYOUT-NT-NEXT: <CGBitFieldInfo Offset:{{[0-9]+}} Size:8 IsSigned:0 StorageSize:8 StorageOffset:192 93// LAYOUT-STRICT-NT-NEXT: <CGBitFieldInfo Offset:{{[0-9]+}} Size:8 IsSigned:0 StorageSize:8 StorageOffset:094// LAYOUT-STRICT-NT-NEXT: <CGBitFieldInfo Offset:{{[0-9]+}} Size:8 IsSigned:0 StorageSize:8 StorageOffset:195 96// LAYOUT-ARM64-T-NEXT: <CGBitFieldInfo Offset:{{[0-9]+}} Size:8 IsSigned:0 StorageSize:8 StorageOffset:097// LAYOUT-ARM64-T-NEXT: <CGBitFieldInfo Offset:{{[0-9]+}} Size:8 IsSigned:0 StorageSize:8 StorageOffset:298//99// LAYOUT-M68K-NEXT: <CGBitFieldInfo Offset:{{[0-9]+}} Size:8 IsSigned:0 StorageSize:8 StorageOffset:0100// LAYOUT-M68K-NEXT: <CGBitFieldInfo Offset:{{[0-9]+}} Size:8 IsSigned:0 StorageSize:8 StorageOffset:2101 102// LAYOUT-DWN32-NEXT: <CGBitFieldInfo Offset:{{[0-9]+}} Size:8 IsSigned:0 StorageSize:8 StorageOffset:0103// LAYOUT-DWN32-NEXT: <CGBitFieldInfo Offset:{{[0-9]+}} Size:8 IsSigned:0 StorageSize:8 StorageOffset:4104// CHECK-NEXT: ]>105 106struct P3 {107  unsigned a :8;108  char :0;109  short :0;110  unsigned :0;111  unsigned b :8;112} p3;113// CHECK-LABEL: LLVMType:%struct.P3 =114// LAYOUT-T-SAME: type { i8, [3 x i8], i8, [3 x i8] }115// LAYOUT-ARM64-T-SAME: type { i8, [3 x i8], i8, [3 x i8] }116// LAYOUT-M68K-SAME: type { i8, i8, i8, i8 }117// LAYOUT-NT-SAME: type { i8, i8 }118// LAYOUT-STRICT-NT-SAME: type { i8, i8 }119// LAYOUT-DWN32-SAME: type { i8, [3 x i8], i8, [3 x i8] }120// CHECK: BitFields:[121// LAYOUT-T-NEXT: <CGBitFieldInfo Offset:{{[0-9]+}} Size:8 IsSigned:0 StorageSize:8 StorageOffset:0122// LAYOUT-T-NEXT: <CGBitFieldInfo Offset:{{[0-9]+}} Size:8 IsSigned:0 StorageSize:8 StorageOffset:4123 124// LAYOUT-NT-NEXT: <CGBitFieldInfo Offset:{{[0-9]+}} Size:8 IsSigned:0 StorageSize:8 StorageOffset:0125// LAYOUT-NT-NEXT: <CGBitFieldInfo Offset:{{[0-9]+}} Size:8 IsSigned:0 StorageSize:8 StorageOffset:1126 127// LAYOUT-STRICT-NT-NEXT: <CGBitFieldInfo Offset:{{[0-9]+}} Size:8 IsSigned:0 StorageSize:8 StorageOffset:0128// LAYOUT-STRICT-NT-NEXT: <CGBitFieldInfo Offset:{{[0-9]+}} Size:8 IsSigned:0 StorageSize:8 StorageOffset:1129 130// LAYOUT-ARM64-T-NEXT: <CGBitFieldInfo Offset:{{[0-9]+}} Size:8 IsSigned:0 StorageSize:8 StorageOffset:0131// LAYOUT-ARM64-T-NEXT: <CGBitFieldInfo Offset:{{[0-9]+}} Size:8 IsSigned:0 StorageSize:8 StorageOffset:4132//133// LAYOUT-M68K-NEXT: <CGBitFieldInfo Offset:{{[0-9]+}} Size:8 IsSigned:0 StorageSize:8 StorageOffset:0134// LAYOUT-M68K-NEXT: <CGBitFieldInfo Offset:{{[0-9]+}} Size:8 IsSigned:0 StorageSize:8 StorageOffset:2135 136// LAYOUT-DWN32-NEXT: <CGBitFieldInfo Offset:{{[0-9]+}} Size:8 IsSigned:0 StorageSize:8 StorageOffset:0137// LAYOUT-DWN32-NEXT: <CGBitFieldInfo Offset:{{[0-9]+}} Size:8 IsSigned:0 StorageSize:8 StorageOffset:4138// CHECK-NEXT: ]>139 140struct P4 {141  unsigned a :8;142  short :0;143  unsigned :0;144  unsigned b :8;145} p4;146// CHECK-LABEL: LLVMType:%struct.P4 =147// LAYOUT-T-SAME: type { i8, [3 x i8], i8, [3 x i8] }148// LAYOUT-ARM64-T-SAME: type { i8, [3 x i8], i8, [3 x i8] }149// LAYOUT-M68K-SAME: type { i8, i8, i8, i8 }150// LAYOUT-NT-SAME: type { i8, i8 }151// LAYOUT-STRICT-NT-SAME: type { i8, i8 }152// LAYOUT-DWN32-SAME: type { i8, [3 x i8], i8, [3 x i8] }153// CHECK: BitFields:[154// LAYOUT-T-NEXT: <CGBitFieldInfo Offset:{{[0-9]+}} Size:8 IsSigned:0 StorageSize:8 StorageOffset:0155// LAYOUT-T-NEXT: <CGBitFieldInfo Offset:{{[0-9]+}} Size:8 IsSigned:0 StorageSize:8 StorageOffset:4156 157// LAYOUT-NT-NEXT: <CGBitFieldInfo Offset:{{[0-9]+}} Size:8 IsSigned:0 StorageSize:8 StorageOffset:0158// LAYOUT-NT-NEXT: <CGBitFieldInfo Offset:{{[0-9]+}} Size:8 IsSigned:0 StorageSize:8 StorageOffset:1159 160// LAYOUT-STRICT-NT-NEXT: <CGBitFieldInfo Offset:{{[0-9]+}} Size:8 IsSigned:0 StorageSize:8 StorageOffset:0161// LAYOUT-STRICT-NT-NEXT: <CGBitFieldInfo Offset:{{[0-9]+}} Size:8 IsSigned:0 StorageSize:8 StorageOffset:1162 163// LAYOUT-ARM64-T-NEXT: <CGBitFieldInfo Offset:{{[0-9]+}} Size:8 IsSigned:0 StorageSize:8 StorageOffset:0164// LAYOUT-ARM64-T-NEXT: <CGBitFieldInfo Offset:{{[0-9]+}} Size:8 IsSigned:0 StorageSize:8 StorageOffset:4165//166// LAYOUT-M68K-NEXT: <CGBitFieldInfo Offset:{{[0-9]+}} Size:8 IsSigned:0 StorageSize:8 StorageOffset:0167// LAYOUT-M68K-NEXT: <CGBitFieldInfo Offset:{{[0-9]+}} Size:8 IsSigned:0 StorageSize:8 StorageOffset:2168 169// LAYOUT-DWN32-NEXT: <CGBitFieldInfo Offset:{{[0-9]+}} Size:8 IsSigned:0 StorageSize:8 StorageOffset:0170// LAYOUT-DWN32-NEXT: <CGBitFieldInfo Offset:{{[0-9]+}} Size:8 IsSigned:0 StorageSize:8 StorageOffset:4171// CHECK-NEXT: ]>172 173struct P5 {174  unsigned a :8;175  unsigned :0;176  unsigned b :8;177} p5;178// CHECK-LABEL: LLVMType:%struct.P5 =179// LAYOUT-T-SAME: type { i8, [3 x i8], i8, [3 x i8] }180// LAYOUT-ARM64-T-SAME: type { i8, [3 x i8], i8, [3 x i8] }181// LAYOUT-M68K-SAME: type { i8, i8, i8, i8 }182// LAYOUT-NT-SAME: type { i8, i8 }183// LAYOUT-STRICT-NT-SAME: type { i8, i8 }184// LAYOUT-DWN32-SAME: type { i8, [3 x i8], i8, [3 x i8] }185// CHECK: BitFields:[186// LAYOUT-T-NEXT: <CGBitFieldInfo Offset:{{[0-9]+}} Size:8 IsSigned:0 StorageSize:8 StorageOffset:0187// LAYOUT-T-NEXT: <CGBitFieldInfo Offset:{{[0-9]+}} Size:8 IsSigned:0 StorageSize:8 StorageOffset:4188 189// LAYOUT-NT-NEXT: <CGBitFieldInfo Offset:{{[0-9]+}} Size:8 IsSigned:0 StorageSize:8 StorageOffset:0190// LAYOUT-NT-NEXT: <CGBitFieldInfo Offset:{{[0-9]+}} Size:8 IsSigned:0 StorageSize:8 StorageOffset:1191 192// LAYOUT-STRICT-NT-NEXT: <CGBitFieldInfo Offset:{{[0-9]+}} Size:8 IsSigned:0 StorageSize:8 StorageOffset:0193// LAYOUT-STRICT-NT-NEXT: <CGBitFieldInfo Offset:{{[0-9]+}} Size:8 IsSigned:0 StorageSize:8 StorageOffset:1194 195// LAYOUT-ARM64-T-NEXT: <CGBitFieldInfo Offset:{{[0-9]+}} Size:8 IsSigned:0 StorageSize:8 StorageOffset:0196// LAYOUT-ARM64-T-NEXT: <CGBitFieldInfo Offset:{{[0-9]+}} Size:8 IsSigned:0 StorageSize:8 StorageOffset:4197//198// LAYOUT-M68K-NEXT: <CGBitFieldInfo Offset:{{[0-9]+}} Size:8 IsSigned:0 StorageSize:8 StorageOffset:0199// LAYOUT-M68K-NEXT: <CGBitFieldInfo Offset:{{[0-9]+}} Size:8 IsSigned:0 StorageSize:8 StorageOffset:2200 201// LAYOUT-DWN32-NEXT: <CGBitFieldInfo Offset:{{[0-9]+}} Size:8 IsSigned:0 StorageSize:8 StorageOffset:0202// LAYOUT-DWN32-NEXT: <CGBitFieldInfo Offset:{{[0-9]+}} Size:8 IsSigned:0 StorageSize:8 StorageOffset:4203// CHECK-NEXT: ]>204 205struct P6 {206  unsigned a :8;207  unsigned :0;208  short :0;209  char :0;210  unsigned b :8;211} p6;212// CHECK-LABEL: LLVMType:%struct.P6 =213// LAYOUT-T-SAME: type { i8, [3 x i8], i8, [3 x i8] }214// LAYOUT-ARM64-T-SAME: type { i8, [3 x i8], i8, [3 x i8] }215// LAYOUT-M68K-SAME: type { i8, i8, i8, i8 }216// LAYOUT-NT-SAME: type { i8, i8 }217// LAYOUT-STRICT-NT-SAME: type { i8, i8 }218// LAYOUT-DWN32-SAME: type { i8, [3 x i8], i8, [3 x i8] }219// CHECK: BitFields:[220// LAYOUT-T-NEXT: <CGBitFieldInfo Offset:{{[0-9]+}} Size:8 IsSigned:0 StorageSize:8 StorageOffset:0221// LAYOUT-T-NEXT: <CGBitFieldInfo Offset:{{[0-9]+}} Size:8 IsSigned:0 StorageSize:8 StorageOffset:4222 223// LAYOUT-NT-NEXT: <CGBitFieldInfo Offset:{{[0-9]+}} Size:8 IsSigned:0 StorageSize:8 StorageOffset:0224// LAYOUT-NT-NEXT: <CGBitFieldInfo Offset:{{[0-9]+}} Size:8 IsSigned:0 StorageSize:8 StorageOffset:1225 226// LAYOUT-STRICT-NT-NEXT: <CGBitFieldInfo Offset:{{[0-9]+}} Size:8 IsSigned:0 StorageSize:8 StorageOffset:0227// LAYOUT-STRICT-NT-NEXT: <CGBitFieldInfo Offset:{{[0-9]+}} Size:8 IsSigned:0 StorageSize:8 StorageOffset:1228 229// LAYOUT-ARM64-T-NEXT: <CGBitFieldInfo Offset:{{[0-9]+}} Size:8 IsSigned:0 StorageSize:8 StorageOffset:0230// LAYOUT-ARM64-T-NEXT: <CGBitFieldInfo Offset:{{[0-9]+}} Size:8 IsSigned:0 StorageSize:8 StorageOffset:4231//232// LAYOUT-M68K-NEXT: <CGBitFieldInfo Offset:{{[0-9]+}} Size:8 IsSigned:0 StorageSize:8 StorageOffset:0233// LAYOUT-M68K-NEXT: <CGBitFieldInfo Offset:{{[0-9]+}} Size:8 IsSigned:0 StorageSize:8 StorageOffset:2234 235// LAYOUT-DWN32-NEXT: <CGBitFieldInfo Offset:{{[0-9]+}} Size:8 IsSigned:0 StorageSize:8 StorageOffset:0236// LAYOUT-DWN32-NEXT: <CGBitFieldInfo Offset:{{[0-9]+}} Size:8 IsSigned:0 StorageSize:8 StorageOffset:4237// CHECK-NEXT: ]>238 239struct P7 {240  unsigned a : 8;241  short : 0;242  unsigned char b : 8;243} p7;244// CHECK-LABEL: LLVMType:%struct.P7 =245// LAYOUT-T-SAME: type { i8, i8, i8, i8 }246// LAYOUT-ARM64-T-SAME: type { i8, i8, i8, i8 }247// LAYOUT-M68K-SAME: type { i8, i8, i8, i8 }248// LAYOUT-NT-SAME: type { i8, i8 }249// LAYOUT-STRICT-NT-SAME: type { i8, i8 }250// LAYOUT-DWN32-SAME: type { i8, [3 x i8], i8, [3 x i8] }251// CHECK: BitFields:[252// LAYOUT-T-NEXT: <CGBitFieldInfo Offset:{{[0-9]+}} Size:8 IsSigned:0 StorageSize:8 StorageOffset:0253// LAYOUT-T-NEXT: <CGBitFieldInfo Offset:{{[0-9]+}} Size:8 IsSigned:0 StorageSize:8 StorageOffset:2254 255// LAYOUT-NT-NEXT: <CGBitFieldInfo Offset:{{[0-9]+}} Size:8 IsSigned:0 StorageSize:8 StorageOffset:0256// LAYOUT-NT-NEXT: <CGBitFieldInfo Offset:{{[0-9]+}} Size:8 IsSigned:0 StorageSize:8 StorageOffset:1257 258// LAYOUT-STRICT-NT-NEXT: <CGBitFieldInfo Offset:{{[0-9]+}} Size:8 IsSigned:0 StorageSize:8 StorageOffset:0259// LAYOUT-STRICT-NT-NEXT: <CGBitFieldInfo Offset:{{[0-9]+}} Size:8 IsSigned:0 StorageSize:8 StorageOffset:1260 261// LAYOUT-ARM64-T-NEXT: <CGBitFieldInfo Offset:{{[0-9]+}} Size:8 IsSigned:0 StorageSize:8 StorageOffset:0262// LAYOUT-ARM64-T-NEXT: <CGBitFieldInfo Offset:{{[0-9]+}} Size:8 IsSigned:0 StorageSize:8 StorageOffset:2263//264// LAYOUT-M68K-NEXT: <CGBitFieldInfo Offset:{{[0-9]+}} Size:8 IsSigned:0 StorageSize:8 StorageOffset:0265// LAYOUT-M68K-NEXT: <CGBitFieldInfo Offset:{{[0-9]+}} Size:8 IsSigned:0 StorageSize:8 StorageOffset:2266 267// LAYOUT-DWN32-NEXT: <CGBitFieldInfo Offset:{{[0-9]+}} Size:8 IsSigned:0 StorageSize:8 StorageOffset:0268// LAYOUT-DWN32-NEXT: <CGBitFieldInfo Offset:{{[0-9]+}} Size:8 IsSigned:0 StorageSize:8 StorageOffset:4269// CHECK-NEXT: ]>270 271// And with forced alignment for !useZeroLengthBitfieldAlignment machines (eg272// hexagon)273struct __attribute__ ((aligned (2))) P7_align {274  unsigned a : 8;275  short : 0;276  unsigned char b : 8;277} p7_align;278// CHECK-LABEL: LLVMType:%struct.P7_align =279// LAYOUT-T-SAME: type { i8, i8, i8, i8 }280// LAYOUT-ARM64-T-SAME: type { i8, i8, i8, i8 }281// LAYOUT-M68K-SAME: type { i8, i8, i8, i8 }282// LAYOUT-NT-SAME: type { i8, i8 }283// LAYOUT-STRICT-NT-SAME: type { i8, i8 }284// LAYOUT-DWN32-SAME: type { i8, [3 x i8], i8, [3 x i8] }285// CHECK: BitFields:[286// LAYOUT-T-NEXT: <CGBitFieldInfo Offset:{{[0-9]+}} Size:8 IsSigned:0 StorageSize:8 StorageOffset:0287// LAYOUT-T-NEXT: <CGBitFieldInfo Offset:{{[0-9]+}} Size:8 IsSigned:0 StorageSize:8 StorageOffset:2288 289// LAYOUT-NT-NEXT: <CGBitFieldInfo Offset:{{[0-9]+}} Size:8 IsSigned:0 StorageSize:8 StorageOffset:0290// LAYOUT-NT-NEXT: <CGBitFieldInfo Offset:{{[0-9]+}} Size:8 IsSigned:0 StorageSize:8 StorageOffset:1291 292// LAYOUT-STRICT-NT-NEXT: <CGBitFieldInfo Offset:{{[0-9]+}} Size:8 IsSigned:0 StorageSize:8 StorageOffset:0293// LAYOUT-STRICT-NT-NEXT: <CGBitFieldInfo Offset:{{[0-9]+}} Size:8 IsSigned:0 StorageSize:8 StorageOffset:1294 295// LAYOUT-ARM64-T-NEXT: <CGBitFieldInfo Offset:{{[0-9]+}} Size:8 IsSigned:0 StorageSize:8 StorageOffset:0296// LAYOUT-ARM64-T-NEXT: <CGBitFieldInfo Offset:{{[0-9]+}} Size:8 IsSigned:0 StorageSize:8 StorageOffset:2297//298// LAYOUT-M68K-NEXT: <CGBitFieldInfo Offset:{{[0-9]+}} Size:8 IsSigned:0 StorageSize:8 StorageOffset:0299// LAYOUT-M68K-NEXT: <CGBitFieldInfo Offset:{{[0-9]+}} Size:8 IsSigned:0 StorageSize:8 StorageOffset:2300 301// LAYOUT-DWN32-NEXT: <CGBitFieldInfo Offset:{{[0-9]+}} Size:8 IsSigned:0 StorageSize:8 StorageOffset:0302// LAYOUT-DWN32-NEXT: <CGBitFieldInfo Offset:{{[0-9]+}} Size:8 IsSigned:0 StorageSize:8 StorageOffset:4303// CHECK-NEXT: ]>304 305struct P8 {306  unsigned a : 7;307  short : 0;308  unsigned char b : 7;309} p8;310// CHECK-LABEL: LLVMType:%struct.P8 =311// LAYOUT-T-SAME: type { i8, i8, i8, i8 }312// LAYOUT-ARM64-T-SAME: type { i8, i8, i8, i8 }313// LAYOUT-M68K-SAME: type { i8, i8, i8, i8 }314// LAYOUT-NT-SAME: type { i16 }315// LAYOUT-STRICT-NT-SAME: type { i16 }316// LAYOUT-DWN32-SAME: type { i8, [3 x i8], i8, [3 x i8] }317// CHECK: BitFields:[318// LAYOUT-T-NEXT: <CGBitFieldInfo Offset:{{[0-9]+}} Size:7 IsSigned:0 StorageSize:8 StorageOffset:0319// LAYOUT-T-NEXT: <CGBitFieldInfo Offset:{{[0-9]+}} Size:7 IsSigned:0 StorageSize:8 StorageOffset:2320 321// LAYOUT-NT-NEXT: <CGBitFieldInfo Offset:{{[0-9]+}} Size:7 IsSigned:0 StorageSize:16 StorageOffset:0322// LAYOUT-NT-NEXT: <CGBitFieldInfo Offset:{{[0-9]+}} Size:7 IsSigned:0 StorageSize:16 StorageOffset:0323 324// LAYOUT-STRICT-NT-NEXT: <CGBitFieldInfo Offset:{{[0-9]+}} Size:7 IsSigned:0 StorageSize:16 StorageOffset:0325// LAYOUT-STRICT-NT-NEXT: <CGBitFieldInfo Offset:{{[0-9]+}} Size:7 IsSigned:0 StorageSize:16 StorageOffset:0326 327// LAYOUT-ARM64-T-NEXT: <CGBitFieldInfo Offset:{{[0-9]+}} Size:7 IsSigned:0 StorageSize:8 StorageOffset:0328// LAYOUT-ARM64-T-NEXT: <CGBitFieldInfo Offset:{{[0-9]+}} Size:7 IsSigned:0 StorageSize:8 StorageOffset:2329//330// LAYOUT-M68K-NEXT: <CGBitFieldInfo Offset:{{[0-9]+}} Size:7 IsSigned:0 StorageSize:8 StorageOffset:0331// LAYOUT-M68K-NEXT: <CGBitFieldInfo Offset:{{[0-9]+}} Size:7 IsSigned:0 StorageSize:8 StorageOffset:2332 333// LAYOUT-DWN32-NEXT: <CGBitFieldInfo Offset:{{[0-9]+}} Size:7 IsSigned:0 StorageSize:8 StorageOffset:0334// LAYOUT-DWN32-NEXT: <CGBitFieldInfo Offset:{{[0-9]+}} Size:7 IsSigned:0 StorageSize:8 StorageOffset:4335// CHECK-NEXT: ]>336 337struct P9 {338  unsigned a : 7;339  char : 0;340  unsigned short b : 7;341} p9;342// CHECK-LABEL: LLVMType:%struct.P9 =343// LAYOUT-T-SAME: type { i8, i8, [2 x i8] }344// LAYOUT-ARM64-T-SAME: type { i8, i8 }345// LAYOUT-M68K-SAME: type { i8, i8 }346// LAYOUT-NT-SAME: type { i16 }347// LAYOUT-STRICT-NT-SAME: type { i16 }348// LAYOUT-DWN32-SAME: type { i8, [3 x i8], i8, [3 x i8] }349// CHECK: BitFields:[350// LAYOUT-T-NEXT: <CGBitFieldInfo Offset:{{[0-9]+}} Size:7 IsSigned:0 StorageSize:8 StorageOffset:0351// LAYOUT-T-NEXT: <CGBitFieldInfo Offset:{{[0-9]+}} Size:7 IsSigned:0 StorageSize:8 StorageOffset:1352 353// LAYOUT-NT-NEXT: <CGBitFieldInfo Offset:{{[0-9]+}} Size:7 IsSigned:0 StorageSize:16 StorageOffset:0354// LAYOUT-NT-NEXT: <CGBitFieldInfo Offset:{{[0-9]+}} Size:7 IsSigned:0 StorageSize:16 StorageOffset:0355 356// LAYOUT-STRICT-NT-NEXT: <CGBitFieldInfo Offset:{{[0-9]+}} Size:7 IsSigned:0 StorageSize:16 StorageOffset:0357// LAYOUT-STRICT-NT-NEXT: <CGBitFieldInfo Offset:{{[0-9]+}} Size:7 IsSigned:0 StorageSize:16 StorageOffset:0358 359// LAYOUT-ARM64-T-NEXT: <CGBitFieldInfo Offset:{{[0-9]+}} Size:7 IsSigned:0 StorageSize:8 StorageOffset:0360// LAYOUT-ARM64-T-NEXT: <CGBitFieldInfo Offset:{{[0-9]+}} Size:7 IsSigned:0 StorageSize:8 StorageOffset:1361//362// LAYOUT-M68K-NEXT: <CGBitFieldInfo Offset:{{[0-9]+}} Size:7 IsSigned:0 StorageSize:8 StorageOffset:0363// LAYOUT-M68K-NEXT: <CGBitFieldInfo Offset:{{[0-9]+}} Size:7 IsSigned:0 StorageSize:8 StorageOffset:1364 365// LAYOUT-DWN32-NEXT: <CGBitFieldInfo Offset:{{[0-9]+}} Size:7 IsSigned:0 StorageSize:8 StorageOffset:0366// LAYOUT-DWN32-NEXT: <CGBitFieldInfo Offset:{{[0-9]+}} Size:7 IsSigned:0 StorageSize:8 StorageOffset:4367// CHECK-NEXT: ]>368 369struct __attribute__((aligned(4))) P10 {370  unsigned a : 7;371  unsigned short b : 7;372  unsigned c : 7;373  char : 0;374} p10;375// CHECK-LABEL: LLVMType:%struct.P10 =376// LAYOUT-T-SAME: type { i32 }377// LAYOUT-ARM64-T-SAME: type { i32 }378// LAYOUT-M68K-SAME: type { i32 }379// LAYOUT-NT-SAME: type { i32 }380// LAYOUT-STRICT-NT-SAME: type { i32 }381// LAYOUT-DWN32-SAME: type { i32 }382// CHECK: BitFields:[383// LAYOUT-T-NEXT: <CGBitFieldInfo Offset:{{[0-9]+}} Size:7 IsSigned:0 StorageSize:32 StorageOffset:0384// LAYOUT-T-NEXT: <CGBitFieldInfo Offset:{{[0-9]+}} Size:7 IsSigned:0 StorageSize:32 StorageOffset:0385// LAYOUT-T-NEXT: <CGBitFieldInfo Offset:{{[0-9]+}} Size:7 IsSigned:0 StorageSize:32 StorageOffset:0386 387// LAYOUT-NT-NEXT: <CGBitFieldInfo Offset:{{[0-9]+}} Size:7 IsSigned:0 StorageSize:32 StorageOffset:0388// LAYOUT-NT-NEXT: <CGBitFieldInfo Offset:{{[0-9]+}} Size:7 IsSigned:0 StorageSize:32 StorageOffset:0389// LAYOUT-NT-NEXT: <CGBitFieldInfo Offset:{{[0-9]+}} Size:7 IsSigned:0 StorageSize:32 StorageOffset:0390 391// LAYOUT-STRICT-NT-NEXT: <CGBitFieldInfo Offset:{{[0-9]+}} Size:7 IsSigned:0 StorageSize:32 StorageOffset:0392// LAYOUT-STRICT-NT-NEXT: <CGBitFieldInfo Offset:{{[0-9]+}} Size:7 IsSigned:0 StorageSize:32 StorageOffset:0393// LAYOUT-STRICT-NT-NEXT: <CGBitFieldInfo Offset:{{[0-9]+}} Size:7 IsSigned:0 StorageSize:32 StorageOffset:0394 395// LAYOUT-ARM64-T-NEXT: <CGBitFieldInfo Offset:{{[0-9]+}} Size:7 IsSigned:0 StorageSize:32 StorageOffset:0396// LAYOUT-ARM64-T-NEXT: <CGBitFieldInfo Offset:{{[0-9]+}} Size:7 IsSigned:0 StorageSize:32 StorageOffset:0397// LAYOUT-ARM64-T-NEXT: <CGBitFieldInfo Offset:{{[0-9]+}} Size:7 IsSigned:0 StorageSize:32 StorageOffset:0398//399// LAYOUT-M68K-NEXT: <CGBitFieldInfo Offset:{{[0-9]+}} Size:7 IsSigned:0 StorageSize:32 StorageOffset:0400// LAYOUT-M68K-NEXT: <CGBitFieldInfo Offset:{{[0-9]+}} Size:7 IsSigned:0 StorageSize:32 StorageOffset:0401// LAYOUT-M68K-NEXT: <CGBitFieldInfo Offset:{{[0-9]+}} Size:7 IsSigned:0 StorageSize:32 StorageOffset:0402 403// LAYOUT-DWN32-NEXT: <CGBitFieldInfo Offset:{{[0-9]+}} Size:7 IsSigned:0 StorageSize:32 StorageOffset:0404// LAYOUT-DWN32-NEXT: <CGBitFieldInfo Offset:{{[0-9]+}} Size:7 IsSigned:0 StorageSize:32 StorageOffset:0405// LAYOUT-DWN32-NEXT: <CGBitFieldInfo Offset:{{[0-9]+}} Size:7 IsSigned:0 StorageSize:32 StorageOffset:0406// CHECK-NEXT: ]>407 408struct __attribute__((aligned(4))) P11 {409  unsigned a : 7;410  unsigned short b : 7;411  unsigned c : 10;412  char : 0; // at a char boundary413} p11;414// CHECK-LABEL: LLVMType:%struct.P11 =415// LAYOUT-T-SAME: type { i32 }416// LAYOUT-ARM64-T-SAME: type { i32 }417// LAYOUT-M68K-SAME: type { i32 }418// LAYOUT-NT-SAME: type { i32 }419// LAYOUT-STRICT-NT-SAME: type { i32 }420// LAYOUT-DWN32-SAME: type { i32 }421// CHECK: BitFields:[422// LAYOUT-T-NEXT: <CGBitFieldInfo Offset:{{[0-9]+}} Size:7 IsSigned:0 StorageSize:32 StorageOffset:0423// LAYOUT-T-NEXT: <CGBitFieldInfo Offset:{{[0-9]+}} Size:7 IsSigned:0 StorageSize:32 StorageOffset:0424// LAYOUT-T-NEXT: <CGBitFieldInfo Offset:{{[0-9]+}} Size:10 IsSigned:0 StorageSize:32 StorageOffset:0425 426// LAYOUT-NT-NEXT: <CGBitFieldInfo Offset:{{[0-9]+}} Size:7 IsSigned:0 StorageSize:32 StorageOffset:0427// LAYOUT-NT-NEXT: <CGBitFieldInfo Offset:{{[0-9]+}} Size:7 IsSigned:0 StorageSize:32 StorageOffset:0428// LAYOUT-NT-NEXT: <CGBitFieldInfo Offset:{{[0-9]+}} Size:10 IsSigned:0 StorageSize:32 StorageOffset:0429 430// LAYOUT-STRICT-NT-NEXT: <CGBitFieldInfo Offset:{{[0-9]+}} Size:7 IsSigned:0 StorageSize:32 StorageOffset:0431// LAYOUT-STRICT-NT-NEXT: <CGBitFieldInfo Offset:{{[0-9]+}} Size:7 IsSigned:0 StorageSize:32 StorageOffset:0432// LAYOUT-STRICT-NT-NEXT: <CGBitFieldInfo Offset:{{[0-9]+}} Size:10 IsSigned:0 StorageSize:32 StorageOffset:0433 434// LAYOUT-ARM64-T-NEXT: <CGBitFieldInfo Offset:{{[0-9]+}} Size:7 IsSigned:0 StorageSize:32 StorageOffset:0435// LAYOUT-ARM64-T-NEXT: <CGBitFieldInfo Offset:{{[0-9]+}} Size:7 IsSigned:0 StorageSize:32 StorageOffset:0436// LAYOUT-ARM64-T-NEXT: <CGBitFieldInfo Offset:{{[0-9]+}} Size:10 IsSigned:0 StorageSize:32 StorageOffset:0437//438// LAYOUT-M68K-NEXT: <CGBitFieldInfo Offset:{{[0-9]+}} Size:7 IsSigned:0 StorageSize:32 StorageOffset:0439// LAYOUT-M68K-NEXT: <CGBitFieldInfo Offset:{{[0-9]+}} Size:7 IsSigned:0 StorageSize:32 StorageOffset:0440// LAYOUT-M68K-NEXT: <CGBitFieldInfo Offset:{{[0-9]+}} Size:10 IsSigned:0 StorageSize:32 StorageOffset:0441 442// LAYOUT-DWN32-NEXT: <CGBitFieldInfo Offset:{{[0-9]+}} Size:7 IsSigned:0 StorageSize:32 StorageOffset:0443// LAYOUT-DWN32-NEXT: <CGBitFieldInfo Offset:{{[0-9]+}} Size:7 IsSigned:0 StorageSize:32 StorageOffset:0444// LAYOUT-DWN32-NEXT: <CGBitFieldInfo Offset:{{[0-9]+}} Size:10 IsSigned:0 StorageSize:32 StorageOffset:0445// CHECK-NEXT: ]>446