LLVM bitcode

  $ cat hello.c
  #include <stdio.h>
  int main(){puts("Hello, world!");}
  $ clang -S -emit-llvm hello.c -o hello.ll

　　↓↓↓

  define i32 @main() #0 {
    %1 = call i32 @puts(i8* getelementptr inbounds ([14 x i8], [14 x i8]* @.str, i32 0, i32 0))
    ret i32 0
  }