| // RUN: %dragonegg -S %s -o - | FileCheck %s |
| // Check that bitfields are aligned properly. |
| |
| struct __attribute__ ((__packed__)) __attribute__ ((aligned (4))) Foo { |
| int aligned; |
| unsigned char aligned4_a : 3; |
| unsigned char aligned4_b : 3; |
| unsigned char aligned4_c : 3; |
| unsigned char aligned1_a : 3; |
| unsigned char aligned1_b : 3; |
| unsigned char aligned1_c : 3; |
| unsigned char aligned2 : 3; |
| }; |
| |
| extern void baz(struct Foo *); |
| |
| void bar() { |
| struct Foo foo; |
| foo.aligned4_a = 7; |
| // CHECK: load i8* {{.*}}, align 4 |
| // CHECK: store i8 {{.*}}, align 4 |
| foo.aligned4_b = 7; |
| // CHECK: load i8* {{.*}}, align 4 |
| // CHECK: store i8 {{.*}}, align 4 |
| foo.aligned4_c = 7; |
| // CHECK: load i16* {{.*}}, align 4 |
| // CHECK: store i16 {{.*}}, align 4 |
| foo.aligned1_a = 7; |
| // CHECK: load i8* {{.*}}, align 1 |
| // CHECK: store i8 {{.*}}, align 1 |
| foo.aligned1_b = 7; |
| // CHECK: load i8* {{.*}}, align 1 |
| // CHECK: store i8 {{.*}}, align 1 |
| foo.aligned1_c = 7; |
| // CHECK: load i16* {{.*}}, align 1 |
| // CHECK: store i16 {{.*}}, align 1 |
| foo.aligned2 = 7; |
| // CHECK: load i8* {{.*}}, align 2 |
| // CHECK: store i8 {{.*}}, align 2 |
| baz(&foo); |
| } |
