src/test/codegen/align-enum.rs

   1 // compile-flags: -C no-prepopulate-passes
   2 // ignore-tidy-linelength
   3
   4 #![crate_type = "lib"]
   5
   6 #[repr(align(64))]
   7 pub enum Align64 {
   8     A(u32),
   9     B(u32),
  10 }
  11 // CHECK: %Align64 = type { [0 x i32], i32, [15 x i32] }
  12
  13 pub struct Nested64 {
  14     a: u8,
  15     b: Align64,
  16     c: u16,
  17 }
  18
  19 // CHECK-LABEL: @align64
  20 #[no_mangle]
  21 pub fn align64(a: u32) -> Align64 {
  22 // CHECK: %a64 = alloca %Align64, align 64
  23 // CHECK: call void @llvm.memcpy.{{.*}}(i8* align 64 %{{.*}}, i8* align 64 %{{.*}}, i{{[0-9]+}} 64, i1 false)
  24     let a64 = Align64::A(a);
  25     a64
  26 }
  27
  28 // CHECK-LABEL: @nested64
  29 #[no_mangle]
  30 pub fn nested64(a: u8, b: u32, c: u16) -> Nested64 {
  31 // CHECK: %n64 = alloca %Nested64, align 64
  32     let n64 = Nested64 { a, b: Align64::B(b), c };
  33     n64
  34 }