#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 display(int rows, int cols, int m[][cols]) {
  int r, c;
  for (r = 0; r < rows; r++) {
    for (c = 0; c < cols; c++)
      printf("%4i", m[r][c]);
    printf("\n");
  }
}


x86 assembly (clang, -O0):
<display>:
push   %rbp
mov    %rsp,%rbp
sub    $0x20,%rsp
mov    %edi,-0x4(%rbp)
mov    %esi,-0x8(%rbp)
mov    %rdx,-0x10(%rbp)
mov    -0x8(%rbp),%eax
mov    %rax,-0x20(%rbp)
movl   $0x0,-0x14(%rbp)
mov    -0x14(%rbp),%eax
cmp    -0x4(%rbp),%eax
jge    11a5 <display+0x95>
movl   $0x0,-0x18(%rbp)
mov    -0x18(%rbp),%eax
cmp    -0x8(%rbp),%eax
jge    1189 <display+0x79>
mov    -0x20(%rbp),%rdx
mov    -0x10(%rbp),%rax
movslq -0x14(%rbp),%rcx
imul   %rdx,%rcx
shl    $0x2,%rcx
add    %rcx,%rax
movslq -0x18(%rbp),%rcx
mov    (%rax,%rcx,4),%esi
lea    0xe8c(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
mov    -0x18(%rbp),%eax
add    $0x1,%eax
mov    %eax,-0x18(%rbp)
jmp    1143 <display+0x33>
lea    0xe74(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
mov    -0x14(%rbp),%eax
add    $0x1,%eax
mov    %eax,-0x14(%rbp)
jmp    1130 <display+0x20>
add    $0x20,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<display>:
push   %rbp
push   %r15
push   %r14
push   %r13
push   %r12
push   %rbx
sub    $0x18,%rsp
mov    %esi,0xc(%rsp)
test   %edi,%edi
jle    11a9 <display+0x89>
mov    %rdx,%rbx
mov    0xc(%rsp),%ebp
mov    %edi,%eax
mov    %rax,0x10(%rsp)
lea    0x0(,%rbp,4),%r13
lea    0xead(%rip),%r15
xor    %r14d,%r14d
jmp    1178 <display+0x58>
nopl   0x0(%rax,%rax,1)
mov    $0xa,%edi
call   1030 <putchar@plt>
add    $0x1,%r14
add    %r13,%rbx
cmp    0x10(%rsp),%r14
je     11a9 <display+0x89>
cmpl   $0x0,0xc(%rsp)
jle    1160 <display+0x40>
xor    %r12d,%r12d
cs nopw 0x0(%rax,%rax,1)
nopl   0x0(%rax)
mov    (%rbx,%r12,4),%esi
mov    %r15,%rdi
xor    %eax,%eax
call   1040 <printf@plt>
add    $0x1,%r12
cmp    %r12,%rbp
jne    1190 <display+0x70>
jmp    1160 <display+0x40>
add    $0x18,%rsp
pop    %rbx
pop    %r12
pop    %r13
pop    %r14
pop    %r15
pop    %rbp
ret

LLVM IR (-O0):
@.str = [4 x i8] c"%4i\00"
@.str.1 = [2 x i8] c"\0A\00"
define void @display(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
%9 = load i32, i32* %5
%10 = zext i32 %9 to i64
store i32 0, i32* %7
br label %11
11: ; preds = %36, %3
%12 = load i32, i32* %7
%13 = load i32, i32* %4
%14 = icmp slt i32 %12, %13
br i1 %14, label %15, label %39
15: ; preds = %11
store i32 0, i32* %8
br label %16
16: ; preds = %31, %15
%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 = mul nsw i64 %23, %10
%25 = getelementptr inbounds i32, i32* %21, i64 %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 ([4 x i8], [4 x i8]* @.str, 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.1, 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 %11
39: ; preds = %11
ret void
}

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