/* automatically generated by rust-bindgen 0.72.1 */

pub type size_t = ::core::ffi::c_ulong;
/// NVVM API call result code.
#[repr(u32)]
#[derive(
    Debug,
    Copy,
    Clone,
    Hash,
    PartialOrd,
    Ord,
    PartialEq,
    Eq,
    TryFromPrimitive,
    IntoPrimitive,
)]
pub enum nvvmResult {
    NVVM_SUCCESS = 0,
    NVVM_ERROR_OUT_OF_MEMORY = 1,
    NVVM_ERROR_PROGRAM_CREATION_FAILURE = 2,
    NVVM_ERROR_IR_VERSION_MISMATCH = 3,
    NVVM_ERROR_INVALID_INPUT = 4,
    NVVM_ERROR_INVALID_PROGRAM = 5,
    NVVM_ERROR_INVALID_IR = 6,
    NVVM_ERROR_INVALID_OPTION = 7,
    NVVM_ERROR_NO_MODULE_IN_PROGRAM = 8,
    NVVM_ERROR_COMPILATION = 9,
    NVVM_ERROR_CANCELLED = 10,
}
unsafe extern "C" {
    /// Get the message string for the given [`nvvmResult`] code.
    ///
    /// # Parameters
    ///
    /// - `result`: NVVM API result code.
    pub fn nvvmGetErrorString(result: nvvmResult) -> *const ::core::ffi::c_char;
}
unsafe extern "C" {
    /// Get the NVVM version.
    ///
    /// # Parameters
    ///
    /// - `major`: NVVM major version number.
    /// - `minor`: NVVM minor version number.
    pub fn nvvmVersion(
        major: *mut ::core::ffi::c_int,
        minor: *mut ::core::ffi::c_int,
    ) -> nvvmResult;
}
unsafe extern "C" {
    /// Get the NVVM IR version.
    ///
    /// # Parameters
    ///
    /// - `majorIR`: NVVM IR major version number.
    /// - `minorIR`: NVVM IR minor version number.
    /// - `majorDbg`: NVVM IR debug metadata major version number.
    /// - `minorDbg`: NVVM IR debug metadata minor version number.
    pub fn nvvmIRVersion(
        majorIR: *mut ::core::ffi::c_int,
        minorIR: *mut ::core::ffi::c_int,
        majorDbg: *mut ::core::ffi::c_int,
        minorDbg: *mut ::core::ffi::c_int,
    ) -> nvvmResult;
}
unsafe extern "C" {
    /// Get the LLVM IR version guaranteed to be supported by NVVM.
    ///
    /// The valid arch strings are the ones supported by [`nvvmCompileProgram`].
    ///
    /// # Parameters
    ///
    /// - `arch`: Architecture string.
    pub fn nvvmLLVMVersion(
        arch: *const ::core::ffi::c_char,
        major: *mut ::core::ffi::c_int,
    ) -> nvvmResult;
}
#[repr(C)]
#[derive(Debug, Copy, Clone)]
pub struct _nvvmProgram {
    _unused: [u8; 0],
}
/// NVVM Program.
///
/// An opaque handle for a program.
pub type nvvmProgram = *mut _nvvmProgram;
unsafe extern "C" {
    /// Create a program, and set the value of its handle to `*prog`.
    ///
    /// # Parameters
    ///
    /// - `prog`: NVVM program.
    pub fn nvvmCreateProgram(prog: *mut nvvmProgram) -> nvvmResult;
}
unsafe extern "C" {
    /// Destroy a program.
    ///
    /// # Parameters
    ///
    /// - `prog`: NVVM program.
    pub fn nvvmDestroyProgram(prog: *mut nvvmProgram) -> nvvmResult;
}
unsafe extern "C" {
    /// Add a module level NVVM IR to a program.
    ///
    /// The `buffer` should contain an NVVM IR module. The module should have NVVM IR either in the LLVM 7.0.1 bitcode representation or in the LLVM 7.0.1 text representation. Support for reading the text representation of NVVM IR is deprecated and may be removed in a later version.
    ///
    /// # Parameters
    ///
    /// - `prog`: NVVM program.
    /// - `buffer`: NVVM IR module in the bitcode or text representation.
    /// - `size`: Size of the NVVM IR module.
    /// - `name`: Name of the NVVM IR module. If NULL, “&lt;unnamed>” is used as the name.
    pub fn nvvmAddModuleToProgram(
        prog: nvvmProgram,
        buffer: *const ::core::ffi::c_char,
        size: size_t,
        name: *const ::core::ffi::c_char,
    ) -> nvvmResult;
}
unsafe extern "C" {
    /// Add a module level NVVM IR to a program.
    ///
    /// The `buffer` should contain an NVVM IR module. The module should have NVVM IR in the LLVM 7.0.1 bitcode representation.
    ///
    /// A module added using this API is lazily loaded - the only symbols loaded are those that are required by module(s) loaded using nvvmAddModuleToProgram. It is an error for a program to have all modules loaded using this API. Compiler may also optimize entities in this module by making them internal to the linked NVVM IR module, making them eligible for other optimizations. Due to these optimizations, this API to load a module is more efficient and should be used where possible.
    ///
    /// # Parameters
    ///
    /// - `prog`: NVVM program.
    /// - `buffer`: NVVM IR module in the bitcode representation.
    /// - `size`: Size of the NVVM IR module.
    /// - `name`: Name of the NVVM IR module. If NULL, “&lt;unnamed>” is used as the name.
    pub fn nvvmLazyAddModuleToProgram(
        prog: nvvmProgram,
        buffer: *const ::core::ffi::c_char,
        size: size_t,
        name: *const ::core::ffi::c_char,
    ) -> nvvmResult;
}
unsafe extern "C" {
    /// Compile the NVVM program.
    ///
    /// The NVVM IR modules in the program will be linked at the IR level. The linked IR program is compiled to PTX.
    ///
    /// The target datalayout in the linked IR program is used to determine the address size (32bit vs 64bit).
    ///
    /// The valid compiler options are:
    ///
    /// * -g (enable generation of full debugging information). Full debug support is only valid with ‘-opt=0’. Debug support requires the input module to utilize NVVM IR Debug Metadata. Line number (line info) only generation is also enabled via NVVM IR Debug Metadata, there is no specific libNVVM API flag for that case.
    /// * -opt=
    ///
    ///   + 0 (disable optimizations)
    ///   + 3 (default, enable optimizations)
    /// * -arch=
    ///
    ///   + compute_75 (default)
    ///   + compute_80
    ///   + compute_87
    ///   + compute_89
    ///   + compute_90
    ///   + compute_90a
    ///   + compute_100
    ///   + compute_100a
    ///   + compute_100f
    ///   + compute_103
    ///   + compute_103a
    ///   + compute_103f
    ///   + compute_110
    ///   + compute_110a
    ///   + compute_110f
    ///   + compute_120
    ///   + compute_120a
    ///   + compute_120f
    ///   + compute_121
    ///   + compute_121a
    ///   + compute_121f
    /// * -ftz=
    ///
    ///   + 0 (default, preserve denormal values, when performing single-precision floating-point operations)
    ///   + 1 (flush denormal values to zero, when performing single-precision floating-point operations)
    /// * -prec-sqrt=
    ///
    ///   + 0 (use a faster approximation for single-precision floating-point square root)
    ///   + 1 (default, use IEEE round-to-nearest mode for single-precision floating-point square root)
    /// * -prec-div=
    ///
    ///   + 0 (use a faster approximation for single-precision floating-point division and reciprocals)
    ///   + 1 (default, use IEEE round-to-nearest mode for single-precision floating-point division and reciprocals)
    /// * -fma=
    ///
    ///   + 0 (disable FMA contraction)
    ///   + 1 (default, enable FMA contraction)
    /// * -jump-table-density=\[0-101\] Specify the case density percentage in switch statements, and use it as a minimal threshold to determine whether jump table(brx.idx instruction) will be used to implement a switch statement. Default value is 101. The percentage ranges from 0 to 101 inclusively.
    /// * -gen-lto (Generate LTO IR instead of PTX).
    ///
    /// # Parameters
    ///
    /// - `prog`: NVVM program.
    /// - `numOptions`: Number of compiler options passed.
    /// - `options`: Compiler options in the form of C string array.
    pub fn nvvmCompileProgram(
        prog: nvvmProgram,
        numOptions: ::core::ffi::c_int,
        options: *mut *const ::core::ffi::c_char,
    ) -> nvvmResult;
}
unsafe extern "C" {
    /// Verify the NVVM program.
    ///
    /// The valid compiler options are:
    ///
    /// Same as for [`nvvmCompileProgram`].
    ///
    /// # Parameters
    ///
    /// - `prog`: NVVM program.
    /// - `numOptions`: Number of compiler options passed.
    /// - `options`: Compiler options in the form of C string array.
    pub fn nvvmVerifyProgram(
        prog: nvvmProgram,
        numOptions: ::core::ffi::c_int,
        options: *mut *const ::core::ffi::c_char,
    ) -> nvvmResult;
}
unsafe extern "C" {
    /// Get the size of the compiled result.
    ///
    /// # Parameters
    ///
    /// - `prog`: NVVM program.
    /// - `bufferSizeRet`: Size of the compiled result (including the trailing NULL).
    pub fn nvvmGetCompiledResultSize(
        prog: nvvmProgram,
        bufferSizeRet: *mut size_t,
    ) -> nvvmResult;
}
unsafe extern "C" {
    /// Get the compiled result.
    ///
    /// The result is stored in the memory pointed to by `buffer`.
    ///
    /// # Parameters
    ///
    /// - `prog`: NVVM program.
    /// - `buffer`: Compiled result.
    pub fn nvvmGetCompiledResult(
        prog: nvvmProgram,
        buffer: *mut ::core::ffi::c_char,
    ) -> nvvmResult;
}
unsafe extern "C" {
    /// Get the Size of Compiler/Verifier Message.
    ///
    /// The size of the message string (including the trailing NULL) is stored into `bufferSizeRet` when the return value is [`nvvmResult::NVVM_SUCCESS`].
    ///
    /// # Parameters
    ///
    /// - `prog`: NVVM program.
    /// - `bufferSizeRet`: Size of the compilation/verification log (including the trailing NULL).
    pub fn nvvmGetProgramLogSize(
        prog: nvvmProgram,
        bufferSizeRet: *mut size_t,
    ) -> nvvmResult;
}
unsafe extern "C" {
    /// Get the Compiler/Verifier Message.
    ///
    /// The NULL terminated message string is stored in the memory pointed to by `buffer` when the return value is [`nvvmResult::NVVM_SUCCESS`].
    ///
    /// # Parameters
    ///
    /// - `prog`: NVVM program.
    /// - `buffer`: Compilation/Verification log.
    pub fn nvvmGetProgramLog(
        prog: nvvmProgram,
        buffer: *mut ::core::ffi::c_char,
    ) -> nvvmResult;
}
