Using ANVILL with AArch64

compile.sh

clang --target=armv8-pc-linux-gnu -m64 -c /tmp/test.c -o /tmp/test.o

output.bc

; Function Attrs: noinline nounwind ssp
define i64 @test(i64, i8) local_unnamed_addr #0 {
  %3 = zext i8 %1 to i64
  %4 = add i64 %3, %0
  %5 = and i64 %3, 63
  %6 = shl i64 %4, %5
  %7 = tail call %struct.Memory* @__remill_function_return(%struct.State* nonnull undef, i64 0, %struct.Memory* null) #2
  ret i64 %6
}

spec.json

{
  "os": "linux", 
  "functions": [
    {
      "return_stack_pointer": {"register": "SP", "type": "L", "offset": 0}, 
      "name": "test", 
      "parameters": [
        {"register": "X0", "type": "l"},
        {"register": "W1", "type": "b"}
      ], 
      "return_address": {"register": "X0", "type": "L"}, 
      "return_values": [
        {"register": "X0", "type": "l"}
      ], 
      "address": 0
    }
  ],
  "arch": "aarch64",
  "stack": {"size": 24576, "start_offset": 4096, "address": 87960930222080},
  "memory": [
    {
      "is_writeable": false, 
      "data": "ff4300d1e00700f9e1130039e00740f9e1134039e803012a0800088be1134039e003012a007c40d30021c09aff430091c0035fd6",
      "is_executable": true,
      "is_readable": true,
      "address": 0
    }
  ]
}

test.c

long long test(long long x, char y) {
  return (x + y) << y;
}