Function llvmint::amdgcn_buffer_atomic_cmpswap

pub unsafe extern "C" fn amdgcn_buffer_atomic_cmpswap(
    a: i32, 
    b: i32, 
    c: i32x4, 
    d: i32, 
    e: i32, 
    f: bool
) -> i32

The llvm.amdgcn.buffer.atomic.cmpswap intrinsic.