1 // RUN: %clang_cc1 %s -emit-llvm -o /dev/null -triple=i686-apple-darwin9 -fdump-record-layouts-simple | FileCheck %s 2 3 // Test struct layout for x86-darwin target 4 5 struct STest1 {int x; short y[4]; double z; } st1; 6 struct STest2 {short a,b; int c,d; } st2; 7 struct STest3 {char a; short b; int c; } st3; 8 9 // Bitfields 10 struct STestB1 {char a; char b:2; } stb1; 11 struct STestB2 {char a; char b:5; char c:4; } stb2; 12 struct STestB3 {char a; char b:2; } stb3; 13 struct STestB4 {char a; short b:2; char c; } stb4; 14 struct STestB5 {char a; short b:10; char c; } stb5; 15 struct STestB6 {int a:1; char b; int c:13; } stb6; 16 17 // Packed struct STestP1 {char a; short b; int c; } __attribute__((__packed__)) stp1; 18 19 // CHECK-LABEL: LLVMType:%struct.STest1 = 20 // CHECK-SAME: type { i32, [4 x i16], double } 21 // CHECK: BitFields:[ 22 // CHECK-NEXT: ]> 23 24 // CHECK-LABEL: LLVMType:%struct.STest2 = 25 // CHECK-SAME: type { i16, i16, i32, i32 } 26 // CHECK: BitFields:[ 27 // CHECK-NEXT: ]> 28 29 // CHECK-LABEL: LLVMType:%struct.STest3 = 30 // CHECK-SAME: type { i8, i16, i32 } 31 // CHECK: BitFields:[ 32 // CHECK-NEXT: ]> 33 34 // CHECK-LABEL: LLVMType:%struct.STestB1 = 35 // CHECK-SAME: type { i8, i8 } 36 // CHECK: BitFields:[ 37 // CHECK-NEXT: <CGBitFieldInfo Offset:0 Size:2 IsSigned:1 StorageSize:8 StorageOffset:1 38 // CHECK-NEXT: ]> 39 40 // CHECK-LABEL: LLVMType:%struct.STestB2 = 41 // CHECK-SAME: type <{ i8, i16 }> 42 // CHECK: BitFields:[ 43 // CHECK-NEXT: <CGBitFieldInfo Offset:0 Size:5 IsSigned:1 StorageSize:16 StorageOffset:1 44 // CHECK-NEXT: <CGBitFieldInfo Offset:8 Size:4 IsSigned:1 StorageSize:16 StorageOffset:1 45 // CHECK-NEXT: ]> 46 47 // CHECK-LABEL: LLVMType:%struct.STestB3 = 48 // CHECK-SAME: type { i8, i8 } 49 // CHECK: BitFields:[ 50 // CHECK-NEXT: <CGBitFieldInfo Offset:0 Size:2 IsSigned:1 StorageSize:8 StorageOffset:1 51 // CHECK-NEXT: ]> 52 53 // CHECK-LABEL: LLVMType:%struct.STestB4 = 54 // CHECK-SAME: type { i8, i8, i8, i8 } 55 // CHECK: BitFields:[ 56 // CHECK-NEXT: <CGBitFieldInfo Offset:0 Size:2 IsSigned:1 StorageSize:8 StorageOffset:1 57 // CHECK-NEXT: ]> 58 59 // CHECK-LABEL: LLVMType:%struct.STestB5 = 60 // CHECK-SAME: type { i8, i16, i8 } 61 // CHECK: BitFields:[ 62 // CHECK-NEXT: <CGBitFieldInfo Offset:0 Size:10 IsSigned:1 StorageSize:16 StorageOffset:2 63 // CHECK-NEXT: ]> 64 65 // CHECK-LABEL: LLVMType:%struct.STestB6 = 66 // CHECK-SAME: type { i8, i8, i16 } 67 // CHECK: BitFields:[ 68 // CHECK-NEXT: <CGBitFieldInfo Offset:0 Size:1 IsSigned:1 StorageSize:8 StorageOffset:0 69 // CHECK-NEXT: <CGBitFieldInfo Offset:0 Size:13 IsSigned:1 StorageSize:16 StorageOffset:2 70 // CHECK-NEXT: ]> 71