gistfile1.txt

> cat foo.cpp
class A {
 public:
  A() {
    a_[0] = 0x1;
    a_[1] = 0x15;
    a_[2] = 0x34;
  }

  int result(int value) const {
    return a_[value];
  }

 private:
  int a_[3];
};

class B {
 public:
  B() {
  }

  int result(int value) const {
    switch(value) {
    case 0: return 0x1;
    case 1: return 0x15;
    case 2: return 0x34;
    }
  }
};

int foo(const A& a) {
  return a.result(2) + 0x42;
}

int boo(const B& b) {
  return b.result(2) + 0x42;
}

> clang++ -O3 ./foo.cpp -o foo -c
> otool -vt ./foo
__Z3fooRK1A:
0000000000000000	pushq	%rbp
0000000000000001	movq	%rsp, %rbp
0000000000000004	movl	0x8(%rdi), %eax
0000000000000007	addl	$0x42, %eax
000000000000000a	popq	%rbp
000000000000000b	retq

__Z3booRK1B:
0000000000000010	pushq	%rbp
0000000000000011	movq	%rsp, %rbp
0000000000000014	movl	$0x76, %eax
0000000000000019	popq	%rbp
000000000000001a	retq