| // RUN: %clang_cc1 -triple=x86_64-none-none -Wpadded-bitfield -verify=expected %s -emit-llvm-only |
| |
| struct S1 { |
| unsigned a : 1; |
| unsigned long long : 0; // expected-warning {{padding struct 'S1' with 63 bits to align anonymous bit-field}} |
| }; |
| |
| struct S2 { |
| unsigned a : 1; |
| unsigned long long b : 64; // expected-warning {{padding struct 'S2' with 63 bits to align 'b'}} |
| }; |
| |
| struct S3 { |
| char a : 1; |
| short b : 16; // expected-warning {{padding struct 'S3' with 15 bits to align 'b'}} |
| }; |
| |
| struct [[gnu::packed]] S4 { |
| char a : 1; |
| short b : 16; |
| }; |
| |
| struct S5 { |
| unsigned a : 1; |
| unsigned long long b : 63; |
| }; |
| |
| struct S6 { |
| unsigned a : 1; |
| unsigned long long b; |
| }; |
| |
| struct S7 { |
| int word; |
| struct { |
| int filler __attribute__ ((aligned (8))); |
| }; |
| }; |
| |
| // The warnings are emitted when the layout of the structs is computed, so we have to use them. |
| void f(S1, S2, S3, S4, S5, S6, S7){} |