1 // Copyright 2015 The Rust Project Developers. See the COPYRIGHT
2 // file at the top-level directory of this distribution and at
3 // http://rust-lang.org/COPYRIGHT.
5 // Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
6 // http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
7 // <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
8 // option. This file may not be copied, modified, or distributed
9 // except according to those terms.
11 // compile-flags: -C no-prepopulate-passes
13 #![crate_type = "lib"]
15 // Below, these constants are defined as enum variants that by itself would
16 // have a lower alignment than the enum type. Ensure that we mark them
17 // correctly with the higher alignment of the enum.
19 // CHECK: @STATIC = {{.*}}, align 4
21 // This checks the constants from inline_enum_const
22 // CHECK: @const{{[0-9]+}} = {{.*}}, align 2
24 // This checks the constants from {low,high}_align_const, they share the same
25 // constant, but the alignment differs, so the higher one should be used
26 // CHECK: @const{{[0-9]+}} = {{.*}}, align 4
28 #[derive(Copy, Clone)]
30 // repr(i16) is required for the {low,high}_align_const test
38 pub static STATIC: E<i16, i32> = E::A(0);
40 // CHECK-LABEL: @static_enum_const
42 pub fn static_enum_const() -> E<i16, i32> {
46 // CHECK-LABEL: @inline_enum_const
48 pub fn inline_enum_const() -> E<i8, i16> {
52 // CHECK-LABEL: @low_align_const
54 pub fn low_align_const() -> E<i16, [i16; 3]> {
55 // Check that low_align_const and high_align_const use the same constant
56 // CHECK: call void @llvm.memcpy.{{.*}}(i8* %{{[0-9]+}}, i8* {{.*}} [[LOW_HIGH:@const[0-9]+]]
60 // CHECK-LABEL: @high_align_const
62 pub fn high_align_const() -> E<i16, i32> {
63 // Check that low_align_const and high_align_const use the same constant
64 // CHECK: call void @llvm.memcpy.{{.*}}(i8* %{{[0-9]}}, i8* {{.*}} [[LOW_HIGH]]