| // Check we use tail padding if it is known to be safe |
| |
| // Configs that have cheap unaligned access |
| // Little Endian |
| // RUN: %clang_cc1 -triple=aarch64-apple-darwin %s -emit-llvm -o /dev/null -fdump-record-layouts-simple | FileCheck --check-prefixes CHECK,LAYOUT,LAYOUT64 %s |
| // RUN: %clang_cc1 -triple=aarch64-linux-gnu %s -emit-llvm -o /dev/null -fdump-record-layouts-simple | FileCheck --check-prefixes CHECK,LAYOUT,LAYOUT64 %s |
| // RUN: %clang_cc1 -triple=arm-apple-darwin %s -emit-llvm -o /dev/null -fdump-record-layouts-simple | FileCheck --check-prefixes CHECK,LAYOUT-DWN32 %s |
| // RUN: %clang_cc1 -triple=arm-none-eabi %s -emit-llvm -o /dev/null -fdump-record-layouts-simple | FileCheck --check-prefixes CHECK,LAYOUT,LAYOUT32 %s |
| // RUN: %clang_cc1 -triple=i686-linux-gnu %s -emit-llvm -o /dev/null -fdump-record-layouts-simple | FileCheck --check-prefixes CHECK,LAYOUT,LAYOUT32 %s |
| // RUN: %clang_cc1 -triple=loongarch64-elf %s -emit-llvm -o /dev/null -fdump-record-layouts-simple | FileCheck --check-prefixes CHECK,LAYOUT,LAYOUT64 %s |
| // RUN: %clang_cc1 -triple=powerpcle-linux-gnu %s -emit-llvm -o /dev/null -fdump-record-layouts-simple | FileCheck --check-prefixes CHECK,LAYOUT,LAYOUT32 %s |
| // RUN: %clang_cc1 -triple=ve-elf %s -emit-llvm -o /dev/null -fdump-record-layouts-simple | FileCheck --check-prefixes CHECK,LAYOUT,LAYOUT64 %s |
| // RUN: %clang_cc1 -triple=wasm32 %s -emit-llvm -o /dev/null -fdump-record-layouts-simple | FileCheck --check-prefixes CHECK,LAYOUT,LAYOUT32 %s |
| // RUN: %clang_cc1 -triple=wasm64 %s -emit-llvm -o /dev/null -fdump-record-layouts-simple | FileCheck --check-prefixes CHECK,LAYOUT,LAYOUT64 %s |
| // RUN: %clang_cc1 -triple=x86_64-linux-gnu %s -emit-llvm -o /dev/null -fdump-record-layouts-simple | FileCheck --check-prefixes CHECK,LAYOUT,LAYOUT64 %s |
| |
| // Big Endian |
| // RUN: %clang_cc1 -triple=powerpc-linux-gnu %s -emit-llvm -o /dev/null -fdump-record-layouts-simple | FileCheck --check-prefixes CHECK,LAYOUT,LAYOUT32 %s |
| // RUN: %clang_cc1 -triple=powerpc64-linux-gnu %s -emit-llvm -o /dev/null -fdump-record-layouts-simple | FileCheck --check-prefixes CHECK,LAYOUT,LAYOUT64 %s |
| // RUN: %clang_cc1 -triple=systemz %s -emit-llvm -o /dev/null -fdump-record-layouts-simple | FileCheck --check-prefixes CHECK,LAYOUT,LAYOUT64 %s |
| |
| // Configs that have expensive unaligned access |
| // Little Endian |
| // RUN: %clang_cc1 -triple=amdgcn-elf %s -emit-llvm -o /dev/null -fdump-record-layouts-simple | FileCheck --check-prefixes CHECK,LAYOUT,LAYOUT64 %s |
| // RUN: %clang_cc1 -triple=arc-elf %s -emit-llvm -o /dev/null -fdump-record-layouts-simple | FileCheck --check-prefixes CHECK,LAYOUT,LAYOUT32 %s |
| // RUN: %clang_cc1 -triple=bpf %s -emit-llvm -o /dev/null -fdump-record-layouts-simple | FileCheck --check-prefixes CHECK,LAYOUT,LAYOUT64 %s |
| // RUN: %clang_cc1 -triple=csky %s -emit-llvm -o /dev/null -fdump-record-layouts-simple | FileCheck --check-prefixes CHECK,LAYOUT,LAYOUT32 %s |
| // RUN: %clang_cc1 -triple=hexagon-elf %s -emit-llvm -o /dev/null -fdump-record-layouts-simple | FileCheck --check-prefixes CHECK,LAYOUT,LAYOUT32 %s |
| // RUN: %clang_cc1 -triple=le64-elf %s -emit-llvm -o /dev/null -fdump-record-layouts-simple | FileCheck --check-prefixes CHECK,LAYOUT,LAYOUT64 %s |
| // RUN: %clang_cc1 -triple=loongarch32-elf %s -emit-llvm -o /dev/null -fdump-record-layouts-simple | FileCheck --check-prefixes CHECK,LAYOUT,LAYOUT32 %s |
| // RUN: %clang_cc1 -triple=nvptx-elf %s -emit-llvm -o /dev/null -fdump-record-layouts-simple | FileCheck --check-prefixes CHECK,LAYOUT,LAYOUT32 %s |
| // RUN: %clang_cc1 -triple=riscv32 %s -emit-llvm -o /dev/null -fdump-record-layouts-simple | FileCheck --check-prefixes CHECK,LAYOUT,LAYOUT32 %s |
| // RUN: %clang_cc1 -triple=riscv64 %s -emit-llvm -o /dev/null -fdump-record-layouts-simple | FileCheck --check-prefixes CHECK,LAYOUT,LAYOUT64 %s |
| // RUN: %clang_cc1 -triple=spir-elf %s -emit-llvm -o /dev/null -fdump-record-layouts-simple | FileCheck --check-prefixes CHECK,LAYOUT,LAYOUT32 %s |
| // RUN: %clang_cc1 -triple=xcore-none-elf %s -emit-llvm -o /dev/null -fdump-record-layouts-simple | FileCheck --check-prefixes CHECK,LAYOUT,LAYOUT32 %s |
| |
| // Big endian |
| // RUN: %clang_cc1 -triple=lanai-elf %s -emit-llvm -o /dev/null -fdump-record-layouts-simple | FileCheck --check-prefixes CHECK,LAYOUT,LAYOUT32 %s |
| // RUN: %clang_cc1 -triple=m68k-elf %s -emit-llvm -o /dev/null -fdump-record-layouts-simple | FileCheck --check-prefixes CHECK,LAYOUT,LAYOUT32 %s |
| // RUN: %clang_cc1 -triple=mips-elf %s -emit-llvm -o /dev/null -fdump-record-layouts-simple | FileCheck --check-prefixes CHECK,LAYOUT,LAYOUT32 %s |
| // RUN: %clang_cc1 -triple=mips64-elf %s -emit-llvm -o /dev/null -fdump-record-layouts-simple | FileCheck --check-prefixes CHECK,LAYOUT,LAYOUT64 %s |
| // RUN: %clang_cc1 -triple=sparc-elf %s -emit-llvm -o /dev/null -fdump-record-layouts-simple | FileCheck --check-prefixes CHECK,LAYOUT,LAYOUT32 %s |
| // RUN: %clang_cc1 -triple=tce-elf %s -emit-llvm -o /dev/null -fdump-record-layouts-simple | FileCheck --check-prefixes CHECK,LAYOUT,LAYOUT32 %s |
| |
| // Can use tail padding |
| struct Pod { |
| int a : 16; |
| int b : 8; |
| } P; |
| // CHECK-LABEL: LLVMType:%struct.Pod = |
| // LAYOUT-SAME: type { i32 } |
| // LAYOUT-DWN32-SAME: type <{ i16, i8 }> |
| // CHECK-NEXT: NonVirtualBaseLLVMType:%struct.Pod = |
| // CHECK: BitFields:[ |
| // LAYOUT-NEXT: <CGBitFieldInfo Offset:{{[0-9]+}} Size:16 IsSigned:1 StorageSize:32 StorageOffset:0 |
| // LAYOUT-NEXT: <CGBitFieldInfo Offset:{{[0-9]+}} Size:8 IsSigned:1 StorageSize:32 StorageOffset:0 |
| |
| // LAYOUT-DWN32-NEXT: <CGBitFieldInfo Offset:{{[0-9]+}} Size:16 IsSigned:1 StorageSize:16 StorageOffset:0 |
| // LAYOUT-DWN32-NEXT: <CGBitFieldInfo Offset:{{[0-9]+}} Size:8 IsSigned:1 StorageSize:8 StorageOffset:2 |
| // CHECK-NEXT: ]> |
| |
| // No tail padding |
| struct __attribute__((packed)) PPod { |
| int a : 16; |
| int b : 8; |
| } PP; |
| // CHECK-LABEL: LLVMType:%struct.PPod = |
| // LAYOUT-SAME: type <{ i16, i8 }> |
| // LAYOUT-DWN32-SAME: type <{ i16, i8 }> |
| // CHECK-NEXT: NonVirtualBaseLLVMType:%struct.PPod = |
| // CHECK: BitFields:[ |
| // LAYOUT-NEXT: <CGBitFieldInfo Offset:{{[0-9]+}} Size:16 IsSigned:1 StorageSize:16 StorageOffset:0 |
| // LAYOUT-NEXT: <CGBitFieldInfo Offset:{{[0-9]+}} Size:8 IsSigned:1 StorageSize:8 StorageOffset:2 |
| |
| // LAYOUT-DWN32-NEXT: <CGBitFieldInfo Offset:{{[0-9]+}} Size:16 IsSigned:1 StorageSize:16 StorageOffset:0 |
| // LAYOUT-DWN32-NEXT: <CGBitFieldInfo Offset:{{[0-9]+}} Size:8 IsSigned:1 StorageSize:8 StorageOffset:2 |
| // CHECK-NEXT: ]> |
| |
| // Cannot use tail padding |
| struct NonPod { |
| ~NonPod(); |
| int a : 16; |
| int b : 8; |
| } NP; |
| // CHECK-LABEL: LLVMType:%struct.NonPod = |
| // LAYOUT-SAME: type <{ i16, i8, i8 }> |
| // LAYOUT-DWN32-SAME: type <{ i16, i8 }> |
| // CHECK-NEXT: NonVirtualBaseLLVMType:%struct. |
| // LAYOUT-SAME: NonPod.base = type <{ i16, i8 }> |
| // LAYOUT-DWN32-SAME: NonPod = type <{ i16, i8 }> |
| // CHECK: BitFields:[ |
| // LAYOUT-NEXT: <CGBitFieldInfo Offset:{{[0-9]+}} Size:16 IsSigned:1 StorageSize:16 StorageOffset:0 |
| // LAYOUT-NEXT: <CGBitFieldInfo Offset:{{[0-9]+}} Size:8 IsSigned:1 StorageSize:8 StorageOffset:2 |
| |
| // LAYOUT-DWN32-NEXT: <CGBitFieldInfo Offset:{{[0-9]+}} Size:16 IsSigned:1 StorageSize:16 StorageOffset:0 |
| // LAYOUT-DWN32-NEXT: <CGBitFieldInfo Offset:{{[0-9]+}} Size:8 IsSigned:1 StorageSize:8 StorageOffset:2 |
| // CHECK-NEXT: ]> |
| |
| // No tail padding |
| struct __attribute__((packed)) PNonPod { |
| ~PNonPod(); |
| int a : 16; |
| int b : 8; |
| } PNP; |
| // CHECK-LABEL: LLVMType:%struct.PNonPod = |
| // LAYOUT-SAME: type <{ i16, i8 }> |
| // LAYOUT-DWN32-SAME: type <{ i16, i8 }> |
| // CHECK-NEXT: NonVirtualBaseLLVMType:%struct.PNonPod = |
| // CHECK: BitFields:[ |
| // LAYOUT-NEXT: <CGBitFieldInfo Offset:{{[0-9]+}} Size:16 IsSigned:1 StorageSize:16 StorageOffset:0 |
| // LAYOUT-NEXT: <CGBitFieldInfo Offset:{{[0-9]+}} Size:8 IsSigned:1 StorageSize:8 StorageOffset:2 |
| |
| // LAYOUT-DWN32-NEXT: <CGBitFieldInfo Offset:{{[0-9]+}} Size:16 IsSigned:1 StorageSize:16 StorageOffset:0 |
| // LAYOUT-DWN32-NEXT: <CGBitFieldInfo Offset:{{[0-9]+}} Size:8 IsSigned:1 StorageSize:8 StorageOffset:2 |
| // CHECK-NEXT: ]> |
| |
| struct __attribute__((aligned(4))) Empty {} empty; |
| |
| struct Char { char a; } cbase; |
| struct D : virtual Char { |
| [[no_unique_address]] Empty e0; |
| [[no_unique_address]] Empty e1; |
| unsigned a : 24; // keep as 24bits |
| } d; |
| // CHECK-LABEL: LLVMType:%struct.D = |
| // LAYOUT64-SAME: type <{ ptr, [3 x i8], %struct.Char, [4 x i8] }> |
| // LAYOUT32-SAME: type { ptr, [3 x i8], %struct.Char } |
| // LAYOUT-DWN32-SAME: type { ptr, [3 x i8], %struct.Char } |
| // CHECK-NEXT: NonVirtualBaseLLVMType: |
| // LAYOUT64-SAME: %struct.D.base = type <{ ptr, i32 }> |
| // LAYOUT32-SAME: %struct.D = type { ptr, [3 x i8], %struct.Char } |
| // LAYOUT-DWN32-SAME: %struct.D = type { ptr, [3 x i8], %struct.Char } |
| // CHECK: BitFields:[ |
| // LAYOUT-NEXT: <CGBitFieldInfo Offset:{{[0-9]+}} Size:24 IsSigned:0 StorageSize:24 StorageOffset:{{(4|8)}} |
| |
| // LAYOUT-DWN32-NEXT: <CGBitFieldInfo Offset:{{[0-9]+}} Size:24 IsSigned:0 StorageSize:24 StorageOffset:{{(4|8)}} |
| // CHECK-NEXT: ]> |
| |
| struct Int { int a; } ibase; |
| struct E : virtual Int { |
| [[no_unique_address]] Empty e0; |
| [[no_unique_address]] Empty e1; |
| unsigned a : 24; // expand to 32 |
| } e; |
| // CHECK-LABEL: LLVMType:%struct.E = |
| // LAYOUT64-SAME: type <{ ptr, i32, %struct.Int }> |
| // LAYOUT32-SAME: type { ptr, i32, %struct.Int } |
| // LAYOUT-DWN32-SAME: type { ptr, i32, %struct.Int } |
| // CHECK-NEXT: NonVirtualBaseLLVMType:%struct.E.base = |
| // LAYOUT64-SAME: type <{ ptr, i32 }> |
| // LAYOUT32-SAME: type { ptr, i32 } |
| // LAYOUT-DWN32-SAME: type { ptr, i32 } |
| // CHECK: BitFields:[ |
| // LAYOUT-NEXT: <CGBitFieldInfo Offset:{{[0-9]+}} Size:24 IsSigned:0 StorageSize:32 StorageOffset:{{(4|8)}} |
| |
| // LAYOUT-DWN32-NEXT: <CGBitFieldInfo Offset:{{[0-9]+}} Size:24 IsSigned:0 StorageSize:32 StorageOffset:{{(4|8)}} |
| // CHECK-NEXT: ]> |