#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_matrix(double **arr, int m, int n) {
  int i, j;
  for (i = 0; i < m; i++) {
    for (j = 0; j < n; j++)
      printf("%lf\t", arr[i][j]);
    printf("\n");
  }
}


x86 assembly (clang, -O0):
<display_matrix>:
push   %rbp
mov    %rsp,%rbp
sub    $0x20,%rsp
mov    %rdi,-0x8(%rbp)
mov    %esi,-0xc(%rbp)
mov    %edx,-0x10(%rbp)
movl   $0x0,-0x14(%rbp)
mov    -0x14(%rbp),%eax
cmp    -0xc(%rbp),%eax
jge    1195 <display_matrix+0x85>
movl   $0x0,-0x18(%rbp)
mov    -0x18(%rbp),%eax
cmp    -0x10(%rbp),%eax
jge    1179 <display_matrix+0x69>
mov    -0x8(%rbp),%rax
movslq -0x14(%rbp),%rcx
mov    (%rax,%rcx,8),%rax
movslq -0x18(%rbp),%rcx
movsd  (%rax,%rcx,8),%xmm0
lea    0xe9c(%rip),%rdi
mov    $0x1,%al
call   1030 <printf@plt>
mov    -0x18(%rbp),%eax
add    $0x1,%eax
mov    %eax,-0x18(%rbp)
jmp    113c <display_matrix+0x2c>
lea    0xe85(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
mov    -0x14(%rbp),%eax
add    $0x1,%eax
mov    %eax,-0x14(%rbp)
jmp    1129 <display_matrix+0x19>
add    $0x20,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<display_matrix>:
push   %rbp
push   %r15
push   %r14
push   %r13
push   %r12
push   %rbx
push   %rax
mov    %edx,0x4(%rsp)
test   %esi,%esi
jle    1190 <display_matrix+0x70>
mov    %rdi,%r13
mov    %esi,%r15d
mov    0x4(%rsp),%ebp
xor    %ebx,%ebx
lea    0xeba(%rip),%r12
jmp    1163 <display_matrix+0x43>
nopl   0x0(%rax,%rax,1)
mov    $0xa,%edi
call   1030 <putchar@plt>
add    $0x1,%rbx
cmp    %r15,%rbx
je     1190 <display_matrix+0x70>
cmpl   $0x0,0x4(%rsp)
jle    1150 <display_matrix+0x30>
xor    %r14d,%r14d
nopl   (%rax)
mov    0x0(%r13,%rbx,8),%rax
movsd  (%rax,%r14,8),%xmm0
mov    %r12,%rdi
mov    $0x1,%al
call   1040 <printf@plt>
add    $0x1,%r14
cmp    %r14,%rbp
jne    1170 <display_matrix+0x50>
jmp    1150 <display_matrix+0x30>
add    $0x8,%rsp
pop    %rbx
pop    %r12
pop    %r13
pop    %r14
pop    %r15
pop    %rbp
ret

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

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