tests/codegen/some-abis-do-extend-params-to-32-bits.rs

   1 // compile-flags: -Cno-prepopulate-passes -Copt-level=0
   2
   3 // revisions:x86_64 i686 aarch64-apple aarch64-windows aarch64-linux arm riscv
   4
   5 //[x86_64] compile-flags: --target x86_64-unknown-uefi
   6 //[x86_64] needs-llvm-components: x86
   7 //[i686] compile-flags: --target i686-unknown-linux-musl
   8 //[i686] needs-llvm-components: x86
   9 //[aarch64-windows] compile-flags: --target aarch64-pc-windows-msvc
  10 //[aarch64-windows] needs-llvm-components: aarch64
  11 //[aarch64-linux] compile-flags: --target aarch64-unknown-linux-gnu
  12 //[aarch64-linux] needs-llvm-components: aarch64
  13 //[aarch64-apple] compile-flags: --target aarch64-apple-darwin
  14 //[aarch64-apple] needs-llvm-components: aarch64
  15 //[arm] compile-flags: --target armv7r-none-eabi
  16 //[arm] needs-llvm-components: arm
  17 //[riscv] compile-flags: --target riscv64gc-unknown-none-elf
  18 //[riscv] needs-llvm-components: riscv
  19
  20 // See bottom of file for a corresponding C source file that is meant to yield
  21 // equivalent declarations.
  22 #![feature(no_core, lang_items)]
  23 #![crate_type = "lib"]
  24 #![no_std]
  25 #![no_core]
  26
  27 #[lang="sized"] trait Sized { }
  28 #[lang="freeze"] trait Freeze { }
  29 #[lang="copy"] trait Copy { }
  30
  31 // The patterns in this file are written in the style of a table to make the
  32 // uniformities and distinctions more apparent.
  33 //
  34 //                  ZERO/SIGN-EXTENDING TO 32 BITS            NON-EXTENDING
  35 //                  ==============================  =======================
  36 // x86_64:          void @c_arg_u8(i8 zeroext %_a)
  37 // i686:            void @c_arg_u8(i8 zeroext %_a)
  38 // aarch64-apple:   void @c_arg_u8(i8 zeroext %_a)
  39 // aarch64-windows:                                  void @c_arg_u8(i8 %_a)
  40 // aarch64-linux:                                    void @c_arg_u8(i8 %_a)
  41 // arm:             void @c_arg_u8(i8 zeroext %_a)
  42 // riscv:           void @c_arg_u8(i8 zeroext %_a)
  43 #[no_mangle] pub extern "C" fn c_arg_u8(_a: u8) { }
  44
  45 // x86_64:          void @c_arg_u16(i16 zeroext %_a)
  46 // i686:            void @c_arg_u16(i16 zeroext %_a)
  47 // aarch64-apple:   void @c_arg_u16(i16 zeroext %_a)
  48 // aarch64-windows:                                 void @c_arg_u16(i16 %_a)
  49 // aarch64-linux:                                   void @c_arg_u16(i16 %_a)
  50 // arm:             void @c_arg_u16(i16 zeroext %_a)
  51 // riscv:           void @c_arg_u16(i16 zeroext %_a)
  52 #[no_mangle] pub extern "C" fn c_arg_u16(_a: u16) { }
  53
  54 // x86_64:          void @c_arg_u32(i32 %_a)
  55 // i686:            void @c_arg_u32(i32 %_a)
  56 // aarch64-apple:   void @c_arg_u32(i32 %_a)
  57 // aarch64-windows:                                 void @c_arg_u32(i32 %_a)
  58 // aarch64-linux:                                   void @c_arg_u32(i32 %_a)
  59 // arm:             void @c_arg_u32(i32 %_a)
  60 // riscv:           void @c_arg_u32(i32 signext %_a)
  61 #[no_mangle] pub extern "C" fn c_arg_u32(_a: u32) { }
  62
  63 // x86_64:          void @c_arg_u64(i64 %_a)
  64 // i686:            void @c_arg_u64(i64 %_a)
  65 // aarch64-apple:   void @c_arg_u64(i64 %_a)
  66 // aarch64-windows:                                 void @c_arg_u64(i64 %_a)
  67 // aarch64-linux:                                   void @c_arg_u64(i64 %_a)
  68 // arm:             void @c_arg_u64(i64 %_a)
  69 // riscv:           void @c_arg_u64(i64 %_a)
  70 #[no_mangle] pub extern "C" fn c_arg_u64(_a: u64) { }
  71
  72 // x86_64:          void @c_arg_i8(i8 signext %_a)
  73 // i686:            void @c_arg_i8(i8 signext %_a)
  74 // aarch64-apple:   void @c_arg_i8(i8 signext %_a)
  75 // aarch64-windows:                                  void @c_arg_i8(i8 %_a)
  76 // aarch64-linux:                                    void @c_arg_i8(i8 %_a)
  77 // arm:             void @c_arg_i8(i8 signext %_a)
  78 // riscv:           void @c_arg_i8(i8 signext %_a)
  79 #[no_mangle] pub extern "C" fn c_arg_i8(_a: i8) { }
  80
  81 // x86_64:          void @c_arg_i16(i16 signext %_a)
  82 // i686:            void @c_arg_i16(i16 signext %_a)
  83 // aarch64-apple:   void @c_arg_i16(i16 signext %_a)
  84 // aarch64-windows:                                 void @c_arg_i16(i16 %_a)
  85 // aarch64-linux:                                   void @c_arg_i16(i16 %_a)
  86 // arm:             void @c_arg_i16(i16 signext %_a)
  87 // riscv:           void @c_arg_i16(i16 signext %_a)
  88 #[no_mangle] pub extern "C" fn c_arg_i16(_a: i16) { }
  89
  90 // x86_64:          void @c_arg_i32(i32 %_a)
  91 // i686:            void @c_arg_i32(i32 %_a)
  92 // aarch64-apple:   void @c_arg_i32(i32 %_a)
  93 // aarch64-windows:                                 void @c_arg_i32(i32 %_a)
  94 // aarch64-linux:                                   void @c_arg_i32(i32 %_a)
  95 // arm:             void @c_arg_i32(i32 %_a)
  96 // riscv:           void @c_arg_i32(i32 signext %_a)
  97 #[no_mangle] pub extern "C" fn c_arg_i32(_a: i32) { }
  98
  99 // x86_64:          void @c_arg_i64(i64 %_a)
 100 // i686:            void @c_arg_i64(i64 %_a)
 101 // aarch64-apple:   void @c_arg_i64(i64 %_a)
 102 // aarch64-windows:                                 void @c_arg_i64(i64 %_a)
 103 // aarch64-linux:                                   void @c_arg_i64(i64 %_a)
 104 // arm:             void @c_arg_i64(i64 %_a)
 105 // riscv:           void @c_arg_i64(i64 %_a)
 106 #[no_mangle] pub extern "C" fn c_arg_i64(_a: i64) { }
 107
 108 // x86_64:          zeroext i8 @c_ret_u8()
 109 // i686:            zeroext i8 @c_ret_u8()
 110 // aarch64-apple:   zeroext i8 @c_ret_u8()
 111 // aarch64-windows:                                 i8 @c_ret_u8()
 112 // aarch64-linux:                                   i8 @c_ret_u8()
 113 // arm:             zeroext i8 @c_ret_u8()
 114 // riscv:           zeroext i8 @c_ret_u8()
 115 #[no_mangle] pub extern "C" fn c_ret_u8() -> u8 { 0 }
 116
 117 // x86_64:          zeroext i16 @c_ret_u16()
 118 // i686:            zeroext i16 @c_ret_u16()
 119 // aarch64-apple:   zeroext i16 @c_ret_u16()
 120 // aarch64-windows:                                 i16 @c_ret_u16()
 121 // aarch64-linux:                                   i16 @c_ret_u16()
 122 // arm:             zeroext i16 @c_ret_u16()
 123 // riscv:           zeroext i16 @c_ret_u16()
 124 #[no_mangle] pub extern "C" fn c_ret_u16() -> u16 { 0 }
 125
 126 // x86_64:          i32 @c_ret_u32()
 127 // i686:            i32 @c_ret_u32()
 128 // aarch64-apple:   i32 @c_ret_u32()
 129 // aarch64-windows:                                 i32 @c_ret_u32()
 130 // aarch64-linux:                                   i32 @c_ret_u32()
 131 // arm:             i32 @c_ret_u32()
 132 // riscv:           signext i32 @c_ret_u32()
 133 #[no_mangle] pub extern "C" fn c_ret_u32() -> u32 { 0 }
 134
 135 // x86_64:          i64 @c_ret_u64()
 136 // i686:            i64 @c_ret_u64()
 137 // aarch64-apple:   i64 @c_ret_u64()
 138 // aarch64-windows:                                 i64 @c_ret_u64()
 139 // aarch64-linux:                                   i64 @c_ret_u64()
 140 // arm:             i64 @c_ret_u64()
 141 // riscv:           i64 @c_ret_u64()
 142 #[no_mangle] pub extern "C" fn c_ret_u64() -> u64 { 0 }
 143
 144 // x86_64:          signext i8 @c_ret_i8()
 145 // i686:            signext i8 @c_ret_i8()
 146 // aarch64-apple:   signext i8 @c_ret_i8()
 147 // aarch64-windows:                                 i8 @c_ret_i8()
 148 // aarch64-linux:                                   i8 @c_ret_i8()
 149 // arm:             signext i8 @c_ret_i8()
 150 // riscv:           signext i8 @c_ret_i8()
 151 #[no_mangle] pub extern "C" fn c_ret_i8() -> i8 { 0 }
 152
 153 // x86_64:          signext i16 @c_ret_i16()
 154 // i686:            signext i16 @c_ret_i16()
 155 // aarch64-apple:   signext i16 @c_ret_i16()
 156 // aarch64-windows:                                 i16 @c_ret_i16()
 157 // aarch64-linux:                                   i16 @c_ret_i16()
 158 // arm:             signext i16 @c_ret_i16()
 159 // riscv:           signext i16 @c_ret_i16()
 160 #[no_mangle] pub extern "C" fn c_ret_i16() -> i16 { 0 }
 161
 162 // x86_64:          i32 @c_ret_i32()
 163 // i686:            i32 @c_ret_i32()
 164 // aarch64-apple:   i32 @c_ret_i32()
 165 // aarch64-windows:                                 i32 @c_ret_i32()
 166 // aarch64-linux:                                   i32 @c_ret_i32()
 167 // arm:             i32 @c_ret_i32()
 168 // riscv:           signext i32 @c_ret_i32()
 169 #[no_mangle] pub extern "C" fn c_ret_i32() -> i32 { 0 }
 170
 171 // x86_64:          i64 @c_ret_i64()
 172 // i686:            i64 @c_ret_i64()
 173 // aarch64-apple:   i64 @c_ret_i64()
 174 // aarch64-windows:                                 i64 @c_ret_i64()
 175 // aarch64-linux:                                   i64 @c_ret_i64()
 176 // arm:             i64 @c_ret_i64()
 177 // riscv:           i64 @c_ret_i64()
 178 #[no_mangle] pub extern "C" fn c_ret_i64() -> i64 { 0 }
 179
 180 const C_SOURCE_FILE: &'static str = r##"
 181 #include <stdlib.h>
 182 #include <stdint.h>
 183 #include <stdio.h>
 184
 185 void c_arg_u8(uint8_t _a) { }
 186 void c_arg_u16(uint16_t _a) { }
 187 void c_arg_u32(uint32_t _a) { }
 188 void c_arg_u64(uint64_t _a) { }
 189
 190 void c_arg_i8(int8_t _a) { }
 191 void c_arg_i16(int16_t _a) { }
 192 void c_arg_i32(int32_t _a) { }
 193 void c_arg_i64(int64_t _a) { }
 194
 195 uint8_t  c_ret_u8()  { return 0; }
 196 uint16_t c_ret_u16() { return 0; }
 197 uint32_t c_ret_u32() { return 0; }
 198 uint64_t c_ret_u64() { return 0; }
 199
 200 int8_t   c_ret_i8()  { return 0; }
 201 int16_t  c_ret_i16() { return 0; }
 202 int32_t  c_ret_i32() { return 0; }
 203 int64_t  c_ret_i64() { return 0; }
 204 "##;