/src/test/codegen/repr-transparent-aggregates-1.rs

https://gitlab.com/rust-lang/rust · Rust · 86 lines · 46 code · 21 blank · 19 comment · 0 complexity · bf7e4ce98682cf454657cfb4a7883e9f MD5 · raw file 

    

  1. // compile-flags: -O -C no-prepopulate-passes
    2. 

  2. //
    3. 

  3. 

  4. // ignore-arm
    5. 

  5. // ignore-aarch64
    6. 

  6. // ignore-mips
    7. 

  7. // ignore-mips64
    8. 

  8. // ignore-powerpc
    9. 

  9. // ignore-powerpc64
    10. 

  10. // ignore-riscv64 see codegen/riscv-abi
    11. 

  11. // ignore-windows
    12. 

  12. // See repr-transparent.rs
    13. 

  13. 

  14. #![feature(transparent_unions)]
    15. 

  15. 

  16. #![crate_type="lib"]
    17. 

  17. 

  18. 

  19. #[derive(Clone, Copy)]
    20. 

  20. #[repr(C)]
    21. 

  21. pub struct BigS([u32; 16]);
    22. 

  22. 

  23. #[repr(transparent)]
    24. 

  24. pub struct TsBigS(BigS);
    25. 

  25. 

  26. #[repr(transparent)]
    27. 

  27. pub union TuBigS {
    28. 

  28.     field: BigS,
    29. 

  29. }
    30. 

  30. 

  31. #[repr(transparent)]
    32. 

  32. pub enum TeBigS {
    33. 

  33.     Variant(BigS),
    34. 

  34. }
    35. 

  35. 

  36. // CHECK: define{{.*}}void @test_BigS({{%BigS\*|ptr}} [[BIGS_RET_ATTRS1:.*]] sret(%BigS) [[BIGS_RET_ATTRS2:.*]], {{%BigS\*|ptr}} [[BIGS_ARG_ATTRS1:.*]] byval(%BigS) [[BIGS_ARG_ATTRS2:.*]])
    37. 

  37. #[no_mangle]
    38. 

  38. pub extern "C" fn test_BigS(_: BigS) -> BigS { loop {} }
    39. 

  39. 

  40. // CHECK: define{{.*}}void @test_TsBigS({{%TsBigS\*|ptr}} [[BIGS_RET_ATTRS1]] sret(%TsBigS) [[BIGS_RET_ATTRS2]], {{%TsBigS\*|ptr}} [[BIGS_ARG_ATTRS1]] byval(%TsBigS) [[BIGS_ARG_ATTRS2:.*]])
    41. 

  41. #[no_mangle]
    42. 

  42. pub extern "C" fn test_TsBigS(_: TsBigS) -> TsBigS { loop {} }
    43. 

  43. 

  44. // CHECK: define{{.*}}void @test_TuBigS({{%TuBigS\*|ptr}} [[BIGS_RET_ATTRS1]] sret(%TuBigS) [[BIGS_RET_ATTRS2]], {{%TuBigS\*|ptr}} [[BIGS_ARG_ATTRS1]] byval(%TuBigS) [[BIGS_ARG_ATTRS2:.*]])
    45. 

  45. #[no_mangle]
    46. 

  46. pub extern "C" fn test_TuBigS(_: TuBigS) -> TuBigS { loop {} }
    47. 

  47. 

  48. // CHECK: define{{.*}}void @test_TeBigS({{%"TeBigS::Variant"\*|ptr}} [[BIGS_RET_ATTRS1]] sret(%"TeBigS::Variant") [[BIGS_RET_ATTRS2]], {{%"TeBigS::Variant"\*|ptr}} [[BIGS_ARG_ATTRS1]] byval(%"TeBigS::Variant") [[BIGS_ARG_ATTRS2]])
    49. 

  49. #[no_mangle]
    50. 

  50. pub extern "C" fn test_TeBigS(_: TeBigS) -> TeBigS { loop {} }
    51. 

  51. 

  52. 

  53. #[derive(Clone, Copy)]
    54. 

  54. #[repr(C)]
    55. 

  55. pub union BigU {
    56. 

  56.     foo: [u32; 16],
    57. 

  57. }
    58. 

  58. 

  59. #[repr(transparent)]
    60. 

  60. pub struct TsBigU(BigU);
    61. 

  61. 

  62. #[repr(transparent)]
    63. 

  63. pub union TuBigU {
    64. 

  64.     field: BigU,
    65. 

  65. }
    66. 

  66. 

  67. #[repr(transparent)]
    68. 

  68. pub enum TeBigU {
    69. 

  69.     Variant(BigU),
    70. 

  70. }
    71. 

  71. 

  72. // CHECK: define{{.*}}void @test_BigU({{%BigU\*|ptr}} [[BIGU_RET_ATTRS1:.*]] sret(%BigU) [[BIGU_RET_ATTRS2:.*]], {{%BigU\*|ptr}} [[BIGU_ARG_ATTRS1:.*]] byval(%BigU) [[BIGU_ARG_ATTRS2:.*]])
    73. 

  73. #[no_mangle]
    74. 

  74. pub extern "C" fn test_BigU(_: BigU) -> BigU { loop {} }
    75. 

  75. 

  76. // CHECK: define{{.*}}void @test_TsBigU({{%TsBigU\*|ptr}} [[BIGU_RET_ATTRS1:.*]] sret(%TsBigU) [[BIGU_RET_ATTRS2:.*]], {{%TsBigU\*|ptr}} [[BIGU_ARG_ATTRS1]] byval(%TsBigU) [[BIGU_ARG_ATTRS2]])
    77. 

  77. #[no_mangle]
    78. 

  78. pub extern "C" fn test_TsBigU(_: TsBigU) -> TsBigU { loop {} }
    79. 

  79. 

  80. // CHECK: define{{.*}}void @test_TuBigU({{%TuBigU\*|ptr}} [[BIGU_RET_ATTRS1]] sret(%TuBigU) [[BIGU_RET_ATTRS2:.*]], {{%TuBigU\*|ptr}} [[BIGU_ARG_ATTRS1]] byval(%TuBigU) [[BIGU_ARG_ATTRS2]])
    81. 

  81. #[no_mangle]
    82. 

  82. pub extern "C" fn test_TuBigU(_: TuBigU) -> TuBigU { loop {} }
    83. 

  83. 

  84. // CHECK: define{{.*}}void @test_TeBigU({{%"TeBigU::Variant"\*|ptr}} [[BIGU_RET_ATTRS1]] sret(%"TeBigU::Variant") [[BIGU_RET_ATTRS2:.*]], {{%"TeBigU::Variant"\*|ptr}} [[BIGU_ARG_ATTRS1]] byval(%"TeBigU::Variant") [[BIGU_ARG_ATTRS2]])
    85. 

  85. #[no_mangle]
    86. 

  86. pub extern "C" fn test_TeBigU(_: TeBigU) -> TeBigU { loop {} }
    87.