#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 printArray(int rows, int cols, int **head) {
  int i, j;
  for (i = 0; i < rows; ++i) {
    printf("row %d:\t", i);
    for (j = 0; j < cols; ++j) {
      printf("%6d:\t", head[i][j]);
    }
    printf("\n");
  }
}


x86 assembly (clang, -O0):
<printArray>:
push   %rbp
mov    %rsp,%rbp
sub    $0x20,%rsp
mov    %edi,-0x4(%rbp)
mov    %esi,-0x8(%rbp)
mov    %rdx,-0x10(%rbp)
movl   $0x0,-0x14(%rbp)
mov    -0x14(%rbp),%eax
cmp    -0x4(%rbp),%eax
jge    11a4 <printArray+0x94>
mov    -0x14(%rbp),%esi
lea    0xec1(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
movl   $0x0,-0x18(%rbp)
mov    -0x18(%rbp),%eax
cmp    -0x8(%rbp),%eax
jge    1188 <printArray+0x78>
mov    -0x10(%rbp),%rax
movslq -0x14(%rbp),%rcx
mov    (%rax,%rcx,8),%rax
movslq -0x18(%rbp),%rcx
mov    (%rax,%rcx,4),%esi
lea    0xe96(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
mov    -0x18(%rbp),%eax
add    $0x1,%eax
mov    %eax,-0x18(%rbp)
jmp    114d <printArray+0x3d>
lea    0xe80(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
mov    -0x14(%rbp),%eax
add    $0x1,%eax
mov    %eax,-0x14(%rbp)
jmp    1129 <printArray+0x19>
add    $0x20,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<printArray>:
push   %rbp
push   %r15
push   %r14
push   %r13
push   %r12
push   %rbx
push   %rax
mov    %esi,0x4(%rsp)
test   %edi,%edi
jle    119d <printArray+0x7d>
mov    %rdx,%rbx
mov    %edi,%r13d
mov    0x4(%rsp),%r14d
lea    0xec4(%rip),%r12
xor    %ebp,%ebp
jmp    1163 <printArray+0x43>
nopl   0x0(%rax)
mov    $0xa,%edi
call   1030 <putchar@plt>
add    $0x1,%rbp
cmp    %r13,%rbp
je     119d <printArray+0x7d>
lea    0xe96(%rip),%rdi
mov    %ebp,%esi
xor    %eax,%eax
call   1040 <printf@plt>
cmpl   $0x0,0x4(%rsp)
jle    1150 <printArray+0x30>
xor    %r15d,%r15d
nopl   (%rax)
mov    (%rbx,%rbp,8),%rax
mov    (%rax,%r15,4),%esi
mov    %r12,%rdi
xor    %eax,%eax
call   1040 <printf@plt>
add    $0x1,%r15
cmp    %r15,%r14
jne    1180 <printArray+0x60>
jmp    1150 <printArray+0x30>
add    $0x8,%rsp
pop    %rbx
pop    %r12
pop    %r13
pop    %r14
pop    %r15
pop    %rbp
ret

LLVM IR (-O0):
@.str = [9 x i8] c"row %d:\09\00"
@.str.1 = [6 x i8] c"%6d:\09\00"
@.str.2 = [2 x i8] c"\0A\00"
define void @printArray(i32 %0, i32 %1, i32** %2) {
%4 = alloca i32
%5 = alloca i32
%6 = alloca i32**
%7 = alloca i32
%8 = alloca i32
store i32 %0, i32* %4
store i32 %1, i32* %5
store i32** %2, i32*** %6
store i32 0, i32* %7
br label %9
9: ; preds = %36, %3
%10 = load i32, i32* %7
%11 = load i32, i32* %4
%12 = icmp slt i32 %10, %11
br i1 %12, label %13, label %39
13: ; preds = %9
%14 = load i32, i32* %7
%15 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([9 x i8], [9 x i8]* @.str, i64 0, i64 0), i32 %14)
store i32 0, i32* %8
br label %16
16: ; preds = %31, %13
%17 = load i32, i32* %8
%18 = load i32, i32* %5
%19 = icmp slt i32 %17, %18
br i1 %19, label %20, label %34
20: ; preds = %16
%21 = load i32**, i32*** %6
%22 = load i32, i32* %7
%23 = sext i32 %22 to i64
%24 = getelementptr inbounds i32*, i32** %21, i64 %23
%25 = load i32*, i32** %24
%26 = load i32, i32* %8
%27 = sext i32 %26 to i64
%28 = getelementptr inbounds i32, i32* %25, i64 %27
%29 = load i32, i32* %28
%30 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([6 x i8], [6 x i8]* @.str.1, i64 0, i64 0), i32 %29)
br label %31
31: ; preds = %20
%32 = load i32, i32* %8
%33 = add nsw i32 %32, 1
store i32 %33, i32* %8
br label %16
34: ; preds = %16
%35 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([2 x i8], [2 x i8]* @.str.2, i64 0, i64 0))
br label %36
36: ; preds = %34
%37 = load i32, i32* %7
%38 = add nsw i32 %37, 1
store i32 %38, i32* %7
br label %9
39: ; preds = %9
ret void
}

LLVM IR (-O2):
@.str = [9 x i8] c"row %d:\09\00"
@.str.1 = [6 x i8] c"%6d:\09\00"
define void @printArray(i32 %0, i32 %1, i32** nocapture %2) {
%4 = icmp sgt i32 %0, 0
br i1 %4, label %5, label %27
5: ; preds = %3
%6 = icmp sgt i32 %1, 0
%7 = zext i32 %0 to i64
%8 = zext i32 %1 to i64
br label %9
9: ; preds = %5, %23
%10 = phi i64 [ 0, %5 ], [ %25, %23 ]
%11 = trunc i64 %10 to i32
%12 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([9 x i8], [9 x i8]* @.str, i64 0, i64 0), i32 %11)
br i1 %6, label %13, label %23
13: ; preds = %9
%14 = getelementptr inbounds i32*, i32** %2, i64 %10
br label %15
15: ; preds = %13, %15
%16 = phi i64 [ 0, %13 ], [ %21, %15 ]
%17 = load i32*, i32** %14
%18 = getelementptr inbounds i32, i32* %17, i64 %16
%19 = load i32, i32* %18
%20 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([6 x i8], [6 x i8]* @.str.1, i64 0, i64 0), i32 %19)
%21 = add nuw nsw i64 %16, 1
%22 = icmp eq i64 %21, %8
br i1 %22, label %23, label %15
23: ; preds = %15, %9
%24 = tail call i32 @putchar(i32 10)
%25 = add nuw nsw i64 %10, 1
%26 = icmp eq i64 %25, %7
br i1 %26, label %27, label %9
27: ; preds = %23, %3
ret void
}