llvm-for-llvmta/tools/clang/test/CodeGen/SystemZ/zos-alignment.c

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2022-04-25 13:02:35 +02:00
// RUN: %clang_cc1 -emit-llvm-only -triple s390x-none-zos -fdump-record-layouts %s | FileCheck %s
struct s0 {
short a:3;
long b:5;
int c:1;
long d:10;
char e:5;
} S0;
// CHECK: 0 | struct s0
// CHECK-NEXT: 0:0-2 | short a
// CHECK-NEXT: 0:3-7 | long b
// CHECK-NEXT: 1:0-0 | int c
// CHECK-NEXT: 1:1-10 | long d
// CHECK-NEXT: 2:3-7 | char e
// CHECK-NEXT: | [sizeof=3, align=1]
struct s1 {
char a:7;
long b:27;
int c:2;
} S1;
// CHECK: 0 | struct s1
// CHECK-NEXT: 0:0-6 | char a
// CHECK-NEXT: 0:7-33 | long b
// CHECK-NEXT: 4:2-3 | int c
// CHECK-NEXT: | [sizeof=5, align=1]
struct s2 {
char a:7;
char :0;
short :0;
short :0;
} S2;
// CHECK: 0 | struct s2
// CHECK-NEXT: 0:0-6 | char a
// CHECK-NEXT: 4:- | char
// CHECK-NEXT: 4:- | short
// CHECK-NEXT: 4:- | short
// CHECK-NEXT: | [sizeof=4, align=4]
struct s3 {
int a;
int b:16;
char :0;
char c:1;
} S3;
// CHECK: 0 | struct s3
// CHECK-NEXT: 0 | int a
// CHECK-NEXT: 4:0-15 | int b
// CHECK-NEXT: 8:- | char
// CHECK-NEXT: 8:0-0 | char c
// CHECK-NEXT: | [sizeof=12, align=4]
struct s4 {
unsigned int __attribute__((aligned(32))) a;
} S4;
// CHECK: 0 | struct s4
// CHECK-NEXT: 0 | unsigned int a
// CHECK-NEXT: | [sizeof=32, align=32]
struct s5 {
char a;
int b:19 __attribute__((aligned(4)));
int c:22 __attribute__((aligned(8)));
int :0;
int d:10;
} S5;
// CHECK: 0 | struct s5
// CHECK-NEXT: 0 | char a
// CHECK-NEXT: 4:0-18 | int b
// CHECK-NEXT: 8:0-21 | int c
// CHECK-NEXT: 12:- | int
// CHECK-NEXT: 12:0-9 | int d
// CHECK-NEXT: | [sizeof=16, align=8]
struct s6 {
char * a;
char * b[];
} S6;
// CHECK: 0 | struct s6
// CHECK-NEXT: 0 | char * a
// CHECK-NEXT: 8 | char *[] b
// CHECK-NEXT: | [sizeof=8, align=8]
struct s10 {
unsigned int __attribute__((aligned)) a;
} S10;
// CHECK: 0 | struct s10
// CHECK-NEXT: 0 | unsigned int a
// CHECK-NEXT: | [sizeof=16, align=16]
struct s11 {
char a;
long :0;
char b;
} S11;
// CHECK: 0 | struct s11
// CHECK-NEXT: 0 | char a
// CHECK-NEXT: 8:- | long
// CHECK-NEXT: 8 | char b
// CHECK-NEXT: | [sizeof=16, align=8]
union u0 {
unsigned short d1 __attribute__((packed));
int d2:10;
long d3;
} U0 __attribute__((aligned(8)));
// CHECK: 0 | union u0
// CHECK-NEXT: 0 | unsigned short d1
// CHECK-NEXT: 0:0-9 | int d2
// CHECK-NEXT: 0 | long d3
// CHECK-NEXT: | [sizeof=8, align=8]
union u1 {
unsigned int :0;
short a;
} U1;
// CHECK: 0 | union u1
// CHECK-NEXT: 0:- | unsigned int
// CHECK-NEXT: 0 | short a
// CHECK-NEXT: | [sizeof=4, align=4]
union u2 {
long :0;
short a;
} U2;
// CHECK: 0 | union u2
// CHECK-NEXT: 0:- | long
// CHECK-NEXT: 0 | short a
// CHECK-NEXT: | [sizeof=8, align=8]
union u3 {
unsigned char :0;
unsigned short :0;
} U3;
// CHECK: 0 | union u3
// CHECK-NEXT: 0:- | unsigned char
// CHECK-NEXT: 0:- | unsigned short
// CHECK-NEXT: | [sizeof=0, align=4]