derek.holloway
7502bf64a4
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154 lines
8.6 KiB
C++
154 lines
8.6 KiB
C++
// Check if we can merge bitfields across empty members
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// XFAIL: *
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// Configs that have cheap unaligned access
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// Little Endian
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// RUN: %clang_cc1 -triple=aarch64-apple-darwin %s -emit-llvm -o /dev/null -fdump-record-layouts-simple | FileCheck --check-prefixes CHECK,LAYOUT %s
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// RUN: %clang_cc1 -triple=aarch64-linux-gnu %s -emit-llvm -o /dev/null -fdump-record-layouts-simple | FileCheck --check-prefixes CHECK,LAYOUT %s
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// RUN: %clang_cc1 -triple=arm-apple-darwin %s -emit-llvm -o /dev/null -fdump-record-layouts-simple | FileCheck --check-prefixes CHECK,LAYOUT-DWN32 %s
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// RUN: %clang_cc1 -triple=arm-none-eabi %s -emit-llvm -o /dev/null -fdump-record-layouts-simple | FileCheck --check-prefixes CHECK,LAYOUT %s
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// RUN: %clang_cc1 -triple=i686-linux-gnu %s -emit-llvm -o /dev/null -fdump-record-layouts-simple | FileCheck --check-prefixes CHECK,LAYOUT %s
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// RUN: %clang_cc1 -triple=loongarch64-elf %s -emit-llvm -o /dev/null -fdump-record-layouts-simple | FileCheck --check-prefixes CHECK,LAYOUT %s
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// RUN: %clang_cc1 -triple=powerpcle-linux-gnu %s -emit-llvm -o /dev/null -fdump-record-layouts-simple | FileCheck --check-prefixes CHECK,LAYOUT %s
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// RUN: %clang_cc1 -triple=ve-elf %s -emit-llvm -o /dev/null -fdump-record-layouts-simple | FileCheck --check-prefixes CHECK,LAYOUT %s
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// RUN: %clang_cc1 -triple=wasm32 %s -emit-llvm -o /dev/null -fdump-record-layouts-simple | FileCheck --check-prefixes CHECK,LAYOUT %s
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// RUN: %clang_cc1 -triple=wasm64 %s -emit-llvm -o /dev/null -fdump-record-layouts-simple | FileCheck --check-prefixes CHECK,LAYOUT %s
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// RUN: %clang_cc1 -triple=x86_64-linux-gnu %s -emit-llvm -o /dev/null -fdump-record-layouts-simple | FileCheck --check-prefixes CHECK,LAYOUT %s
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// Big Endian
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// RUN: %clang_cc1 -triple=powerpc-linux-gnu %s -emit-llvm -o /dev/null -fdump-record-layouts-simple | FileCheck --check-prefixes CHECK,LAYOUT %s
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// RUN: %clang_cc1 -triple=powerpc64-linux-gnu %s -emit-llvm -o /dev/null -fdump-record-layouts-simple | FileCheck --check-prefixes CHECK,LAYOUT %s
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// RUN: %clang_cc1 -triple=systemz %s -emit-llvm -o /dev/null -fdump-record-layouts-simple | FileCheck --check-prefixes CHECK,LAYOUT %s
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// Configs that have expensive unaligned access
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// Little Endian
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// RUN: %clang_cc1 -triple=amdgcn-elf %s -emit-llvm -o /dev/null -fdump-record-layouts-simple | FileCheck --check-prefixes CHECK,LAYOUT %s
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// RUN: %clang_cc1 -triple=arc-elf %s -emit-llvm -o /dev/null -fdump-record-layouts-simple | FileCheck --check-prefixes CHECK,LAYOUT %s
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// RUN: %clang_cc1 -triple=bpf %s -emit-llvm -o /dev/null -fdump-record-layouts-simple | FileCheck --check-prefixes CHECK,LAYOUT %s
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// RUN: %clang_cc1 -triple=csky %s -emit-llvm -o /dev/null -fdump-record-layouts-simple | FileCheck --check-prefixes CHECK,LAYOUT %s
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// RUN: %clang_cc1 -triple=hexagon-elf %s -emit-llvm -o /dev/null -fdump-record-layouts-simple | FileCheck --check-prefixes CHECK,LAYOUT %s
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// RUN: %clang_cc1 -triple=loongarch32-elf %s -emit-llvm -o /dev/null -fdump-record-layouts-simple | FileCheck --check-prefixes CHECK,LAYOUT %s
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// RUN: %clang_cc1 -triple=nvptx-elf %s -emit-llvm -o /dev/null -fdump-record-layouts-simple | FileCheck --check-prefixes CHECK,LAYOUT %s
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// RUN: %clang_cc1 -triple=riscv32 %s -emit-llvm -o /dev/null -fdump-record-layouts-simple | FileCheck --check-prefixes CHECK,LAYOUT %s
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// RUN: %clang_cc1 -triple=riscv64 %s -emit-llvm -o /dev/null -fdump-record-layouts-simple | FileCheck --check-prefixes CHECK,LAYOUT %s
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// RUN: %clang_cc1 -triple=spir-elf %s -emit-llvm -o /dev/null -fdump-record-layouts-simple | FileCheck --check-prefixes CHECK,LAYOUT %s
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// RUN: %clang_cc1 -triple=xcore-none-elf %s -emit-llvm -o /dev/null -fdump-record-layouts-simple | FileCheck --check-prefixes CHECK,LAYOUT %s
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// Big endian
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// RUN: %clang_cc1 -triple=lanai-elf %s -emit-llvm -o /dev/null -fdump-record-layouts-simple | FileCheck --check-prefixes CHECK,LAYOUT %s
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// RUN: %clang_cc1 -triple=m68k-elf %s -emit-llvm -o /dev/null -fdump-record-layouts-simple | FileCheck --check-prefixes CHECK,LAYOUT %s
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// RUN: %clang_cc1 -triple=mips-elf %s -emit-llvm -o /dev/null -fdump-record-layouts-simple | FileCheck --check-prefixes CHECK,LAYOUT %s
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// RUN: %clang_cc1 -triple=mips64-elf %s -emit-llvm -o /dev/null -fdump-record-layouts-simple | FileCheck --check-prefixes CHECK,LAYOUT %s
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// RUN: %clang_cc1 -triple=sparc-elf %s -emit-llvm -o /dev/null -fdump-record-layouts-simple | FileCheck --check-prefixes CHECK,LAYOUT %s
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// RUN: %clang_cc1 -triple=tce-elf %s -emit-llvm -o /dev/null -fdump-record-layouts-simple | FileCheck --check-prefixes CHECK,LAYOUT %s
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struct Empty {};
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struct P1 {
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unsigned a : 16;
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[[no_unique_address]] Empty e;
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unsigned b : 16;
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} p1;
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// CHECK-LABEL: LLVMType:%struct.P1 =
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// LAYOUT-SAME: type { i16, i16 }
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// LAYOUT-DWN32-SAME: type { i16, i16 }
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// CHECK-NEXT: NonVirtualBaseLLVMType:%struct.P1 =
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// CHECK: BitFields:[
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// LAYOUT-NEXT: <CGBitFieldInfo Offset:{{[0-9]+}} Size:16 IsSigned:0 StorageSize:16 StorageOffset:0
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// LAYOUT-NEXT: <CGBitFieldInfo Offset:{{[0-9]+}} Size:16 IsSigned:0 StorageSize:16 StorageOffset:2
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// LAYOUT-DWN32-NEXT: <CGBitFieldInfo Offset:{{[0-9]+}} Size:16 IsSigned:0 StorageSize:16 StorageOffset:0
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// LAYOUT-DWN32-NEXT: <CGBitFieldInfo Offset:{{[0-9]+}} Size:16 IsSigned:0 StorageSize:16 StorageOffset:2
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// CHECK-NEXT: ]>
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struct P2 {
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unsigned a : 15;
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[[no_unique_address]] Empty e;
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unsigned b : 15;
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} p2;
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// CHECK-LABEL: LLVMType:%struct.P2 =
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// LAYOUT-SAME: type { i16, i16 }
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// LAYOUT-DWN32-SAME: type { i16, i16 }
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// CHECK-NEXT: NonVirtualBaseLLVMType:%struct.P2 =
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// CHECK: BitFields:[
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// LAYOUT-NEXT: <CGBitFieldInfo Offset:{{[0-9]+}} Size:15 IsSigned:0 StorageSize:16 StorageOffset:0
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// LAYOUT-NEXT: <CGBitFieldInfo Offset:{{[0-9]+}} Size:15 IsSigned:0 StorageSize:16 StorageOffset:2
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// LAYOUT-DWN32-NEXT: <CGBitFieldInfo Offset:{{[0-9]+}} Size:15 IsSigned:0 StorageSize:16 StorageOffset:0
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// LAYOUT-DWN32-NEXT: <CGBitFieldInfo Offset:{{[0-9]+}} Size:15 IsSigned:0 StorageSize:16 StorageOffset:2
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// CHECK-NEXT: ]>
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struct P3 {
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unsigned a : 16;
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Empty e;
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unsigned b : 16;
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} p3;
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// CHECK-LABEL: LLVMType:%struct.P3 =
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// LAYOUT-SAME: type { i16, %struct.Empty, i16, [2 x i8] }
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// LAYOUT-DWN32-SAME: type <{ i16, %struct.Empty, i16 }>
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// CHECK-NEXT: NonVirtualBaseLLVMType:%struct.P3 =
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// CHECK: BitFields:[
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// LAYOUT-NEXT: <CGBitFieldInfo Offset:{{[0-9]+}} Size:16 IsSigned:0 StorageSize:16 StorageOffset:0
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// LAYOUT-NEXT: <CGBitFieldInfo Offset:{{[0-9]+}} Size:16 IsSigned:0 StorageSize:16 StorageOffset:4
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// LAYOUT-DWN32-NEXT: <CGBitFieldInfo Offset:{{[0-9]+}} Size:16 IsSigned:0 StorageSize:16 StorageOffset:0
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// LAYOUT-DWN32-NEXT: <CGBitFieldInfo Offset:{{[0-9]+}} Size:16 IsSigned:0 StorageSize:16 StorageOffset:3
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// CHECK-NEXT: ]>
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struct P4 {
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unsigned : 0;
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} p4;
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// CHECK-LABEL: LLVMType:%struct.P4 =
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// LAYOUT-SAME: type { {{.+}} }
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// CHECK-NEXT: NonVirtualBaseLLVMType:%struct.P4 =
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// CHECK: BitFields:[
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// CHECK-NEXT: ]>
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struct P5 {
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~P5();
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unsigned : 0;
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} p5;
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// CHECK-LABEL: LLVMType:%struct.P5 =
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// CHECK-NEXT: NonVirtualBaseLLVMType:%struct.P5.base = type {}
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// CHECK: BitFields:[
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// CHECK-NEXT: ]>
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struct P6 {
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unsigned a : 16;
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unsigned b : 8;
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[[no_unique_address]] Empty e;
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unsigned c;
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} p6;
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// CHECK-LABEL: LLVMType:%struct.P6 =
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// LAYOUT-SAME: type { i32, i32 }
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// LAYOUT-DWN32-SAME: type { i32, i32 }
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// CHECK-NEXT: NonVirtualBaseLLVMType:%struct.P6 =
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// CHECK: BitFields:[
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// LAYOUT-NEXT: <CGBitFieldInfo Offset:{{[0-9]+}} Size:16 IsSigned:0 StorageSize:32 StorageOffset:0
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// LAYOUT-NEXT: <CGBitFieldInfo Offset:{{[0-9]+}} Size:8 IsSigned:0 StorageSize:32 StorageOffset:0
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// LAYOUT-DWN32-NEXT: <CGBitFieldInfo Offset:{{[0-9]+}} Size:16 IsSigned:0 StorageSize:32 StorageOffset:0
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// LAYOUT-DWN32-NEXT: <CGBitFieldInfo Offset:{{[0-9]+}} Size:8 IsSigned:0 StorageSize:32 StorageOffset:0
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// CHECK-NEXT: ]>
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struct P7 {
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unsigned a : 16;
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unsigned b : 8;
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Empty e;
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unsigned c;
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} p7;
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// CHECK-LABEL: LLVMType:%struct.P7 =
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// LAYOUT-SAME: type { i16, i8, %struct.Empty, i32 }
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// LAYOUT-DWN32-SAME: type { i16, i8, %struct.Empty, i32 }
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// CHECK-NEXT: NonVirtualBaseLLVMType:%struct.P7 =
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// CHECK: BitFields:[
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// LAYOUT-NEXT: <CGBitFieldInfo Offset:{{[0-9]+}} Size:16 IsSigned:0 StorageSize:16 StorageOffset:0
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// LAYOUT-NEXT: <CGBitFieldInfo Offset:{{[0-9]+}} Size:8 IsSigned:0 StorageSize:8 StorageOffset:2
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// LAYOUT-DWN32-NEXT: <CGBitFieldInfo Offset:{{[0-9]+}} Size:16 IsSigned:0 StorageSize:16 StorageOffset:0
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// LAYOUT-DWN32-NEXT: <CGBitFieldInfo Offset:{{[0-9]+}} Size:8 IsSigned:0 StorageSize:8 StorageOffset:2
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// LAYOUT-M68K-NEXT: <CGBitFieldInfo Offset:{{[0-9]+}} Size:16 IsSigned:0 StorageSize:16 StorageOffset:0
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// LAYOUT-M68K-NEXT: <CGBitFieldInfo Offset:{{[0-9]+}} Size:8 IsSigned:0 StorageSize:8 StorageOffset:2
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// CHECK-NEXT: ]>
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