#define NULL ((void *)0)
typedef unsigned long size_t; // Customize by platform.
typedef long intptr_t;
typedef unsigned long uintptr_t;
typedef long scalar_t__; // Either arithmetic or pointer type.
/* By default, we understand bool (as a convenience). */
typedef int bool;
#define false 0
#define true 1

/* Forward declarations */

/* Type definitions */

/* Variables and functions */
int /*<<< orphan*/ printf(char *, ...);
void print_vector(int *vector, int length) {
  int i;
  printf("-- Vector display --\n");
  printf("  length: %d\n", length);
  for (i = 0; i < length; i++)
    printf(" %d", vector[i]);
  printf("\n\n");
}


x86 assembly (clang, -O0):
<print_vector>:
push   %rbp
mov    %rsp,%rbp
sub    $0x10,%rsp
mov    %rdi,-0x8(%rbp)
mov    %esi,-0xc(%rbp)
lea    0xeda(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
mov    -0xc(%rbp),%esi
lea    0xedf(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
movl   $0x0,-0x10(%rbp)
mov    -0x10(%rbp),%eax
cmp    -0xc(%rbp),%eax
jge    1178 <print_vector+0x68>
mov    -0x8(%rbp),%rax
movslq -0x10(%rbp),%rcx
mov    (%rax,%rcx,4),%esi
lea    0xec1(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
mov    -0x10(%rbp),%eax
add    $0x1,%eax
mov    %eax,-0x10(%rbp)
jmp    1145 <print_vector+0x35>
lea    0xea9(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
add    $0x10,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<print_vector>:
push   %rbp
push   %r15
push   %r14
push   %rbx
push   %rax
mov    %esi,%ebp
mov    %rdi,%r15
lea    0xedf(%rip),%rdi
call   1030 <puts@plt>
lea    0xec1(%rip),%rdi
mov    %ebp,%esi
xor    %eax,%eax
call   1040 <printf@plt>
test   %ebp,%ebp
jle    1177 <print_vector+0x57>
mov    %ebp,%ebp
lea    0xeb9(%rip),%r14
xor    %ebx,%ebx
nopw   0x0(%rax,%rax,1)
mov    (%r15,%rbx,4),%esi
mov    %r14,%rdi
xor    %eax,%eax
call   1040 <printf@plt>
add    $0x1,%rbx
cmp    %rbx,%rbp
jne    1160 <print_vector+0x40>
lea    0xe8e(%rip),%rdi
add    $0x8,%rsp
pop    %rbx
pop    %r14
pop    %r15
pop    %rbp
jmp    1030 <puts@plt>

LLVM IR (-O0):
@.str = [22 x i8] c"-- Vector display --\0A\00"
@.str.1 = [14 x i8] c" length: %d\0A\00"
@.str.2 = [4 x i8] c" %d\00"
@.str.3 = [3 x i8] c"\0A\0A\00"
define void @print_vector(i32* %0, i32 %1) {
%3 = alloca i32*
%4 = alloca i32
%5 = alloca i32
store i32* %0, i32** %3
store i32 %1, i32* %4
%6 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([22 x i8], [22 x i8]* @.str, i64 0, i64 0))
%7 = load i32, i32* %4
%8 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([14 x i8], [14 x i8]* @.str.1, i64 0, i64 0), i32 %7)
store i32 0, i32* %5
br label %9
9: ; preds = %20, %2
%10 = load i32, i32* %5
%11 = load i32, i32* %4
%12 = icmp slt i32 %10, %11
br i1 %12, label %13, label %23
13: ; preds = %9
%14 = load i32*, i32** %3
%15 = load i32, i32* %5
%16 = sext i32 %15 to i64
%17 = getelementptr inbounds i32, i32* %14, i64 %16
%18 = load i32, i32* %17
%19 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.2, i64 0, i64 0), i32 %18)
br label %20
20: ; preds = %13
%21 = load i32, i32* %5
%22 = add nsw i32 %21, 1
store i32 %22, i32* %5
br label %9
23: ; preds = %9
%24 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.3, i64 0, i64 0))
ret void
}

LLVM IR (-O2):
@.str.1 = [14 x i8] c" length: %d\0A\00"
@.str.2 = [4 x i8] c" %d\00"
@str = [21 x i8] c"-- Vector display --\00"
@str.4 = [2 x i8] c"\0A\00"
define void @print_vector(i32* nocapture %0, i32 %1) {
%3 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([21 x i8], [21 x i8]* @str, i64 0, i64 0))
%4 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([14 x i8], [14 x i8]* @.str.1, i64 0, i64 0), i32 %1)
%5 = icmp sgt i32 %1, 0
br i1 %5, label %6, label %15
6: ; preds = %2
%7 = zext i32 %1 to i64
br label %8
8: ; preds = %6, %8
%9 = phi i64 [ 0, %6 ], [ %13, %8 ]
%10 = getelementptr inbounds i32, i32* %0, i64 %9
%11 = load i32, i32* %10
%12 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([4 x i8], [4 x i8]* @.str.2, i64 0, i64 0), i32 %11)
%13 = add nuw nsw i64 %9, 1
%14 = icmp eq i64 %13, %7
br i1 %14, label %15, label %8
15: ; preds = %8, %2
%16 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([2 x i8], [2 x i8]* @str.4, i64 0, i64 0))
ret void
}