#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 Print2D(double *u, const unsigned int nx, const unsigned int ny) {
  unsigned int i, j;
  for (j = 0; j < ny; j++) {
    for (i = 0; i < nx; i++) {
      printf("%8.2f", u[i + nx * j]);
    }
    printf("\n");
  }
  printf("\n");
}


x86 assembly (clang, -O0):
<Print2D>:
push   %rbp
mov    %rsp,%rbp
sub    $0x20,%rsp
mov    %rdi,-0x8(%rbp)
mov    %esi,-0xc(%rbp)
mov    %edx,-0x10(%rbp)
movl   $0x0,-0x18(%rbp)
mov    -0x18(%rbp),%eax
cmp    -0x10(%rbp),%eax
jae    1197 <Print2D+0x87>
movl   $0x0,-0x14(%rbp)
mov    -0x14(%rbp),%eax
cmp    -0xc(%rbp),%eax
jae    117b <Print2D+0x6b>
mov    -0x8(%rbp),%rax
mov    -0x14(%rbp),%ecx
mov    -0xc(%rbp),%edx
imul   -0x18(%rbp),%edx
add    %edx,%ecx
mov    %ecx,%ecx
movsd  (%rax,%rcx,8),%xmm0
lea    0xe9a(%rip),%rdi
mov    $0x1,%al
call   1030 <printf@plt>
mov    -0x14(%rbp),%eax
add    $0x1,%eax
mov    %eax,-0x14(%rbp)
jmp    113c <Print2D+0x2c>
lea    0xe84(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
mov    -0x18(%rbp),%eax
add    $0x1,%eax
mov    %eax,-0x18(%rbp)
jmp    1129 <Print2D+0x19>
lea    0xe68(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
add    $0x20,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<Print2D>:
push   %rbp
push   %r15
push   %r14
push   %r13
push   %r12
push   %rbx
sub    $0x18,%rsp
mov    %edx,0xc(%rsp)
test   %edx,%edx
je     11ae <Print2D+0x8e>
mov    %rdi,%rbx
mov    %esi,%eax
mov    %rax,0x10(%rsp)
xor    %r15d,%r15d
lea    0xeb6(%rip),%rbp
xor    %r12d,%r12d
mov    %esi,0x8(%rsp)
jmp    117c <Print2D+0x5c>
cs nopw 0x0(%rax,%rax,1)
nopl   (%rax)
mov    $0xa,%edi
call   1030 <putchar@plt>
add    $0x1,%r12d
mov    0x8(%rsp),%esi
add    %esi,%r15d
cmp    0xc(%rsp),%r12d
je     11ae <Print2D+0x8e>
test   %esi,%esi
je     1160 <Print2D+0x40>
mov    0x10(%rsp),%r14
mov    %r15d,%r13d
nopl   0x0(%rax,%rax,1)
mov    %r13d,%eax
movsd  (%rbx,%rax,8),%xmm0
mov    %rbp,%rdi
mov    $0x1,%al
call   1040 <printf@plt>
add    $0x1,%r13d
add    $0xffffffffffffffff,%r14
jne    1190 <Print2D+0x70>
jmp    1160 <Print2D+0x40>
mov    $0xa,%edi
add    $0x18,%rsp
pop    %rbx
pop    %r12
pop    %r13
pop    %r14
pop    %r15
pop    %rbp
jmp    1030 <putchar@plt>

LLVM IR (-O0):
@.str = [6 x i8] c"%8.2f\00"
@.str.1 = [2 x i8] c"\0A\00"
define void @Print2D(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* %8
br label %9
9: ; preds = %34, %3
%10 = load i32, i32* %8
%11 = load i32, i32* %6
%12 = icmp ult i32 %10, %11
br i1 %12, label %13, label %37
13: ; preds = %9
store i32 0, i32* %7
br label %14
14: ; preds = %29, %13
%15 = load i32, i32* %7
%16 = load i32, i32* %5
%17 = icmp ult i32 %15, %16
br i1 %17, label %18, label %32
18: ; preds = %14
%19 = load double*, double** %4
%20 = load i32, i32* %7
%21 = load i32, i32* %5
%22 = load i32, i32* %8
%23 = mul i32 %21, %22
%24 = add i32 %20, %23
%25 = zext i32 %24 to i64
%26 = getelementptr inbounds double, double* %19, i64 %25
%27 = load double, double* %26
%28 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([6 x i8], [6 x i8]* @.str, i64 0, i64 0), double %27)
br label %29
29: ; preds = %18
%30 = load i32, i32* %7
%31 = add i32 %30, 1
store i32 %31, i32* %7
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* %8
%36 = add i32 %35, 1
store i32 %36, i32* %8
br label %9
37: ; preds = %9
%38 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([2 x i8], [2 x i8]* @.str.1, i64 0, i64 0))
ret void
}

LLVM IR (-O2):
@.str = [6 x i8] c"%8.2f\00"
define void @Print2D(double* nocapture %0, i32 %1, i32 %2) {
%4 = icmp eq i32 %2, 0
br i1 %4, label %26, label %5
5: ; preds = %3
%6 = icmp eq i32 %1, 0
%7 = zext i32 %1 to i64
br label %8
8: ; preds = %5, %22
%9 = phi i32 [ 0, %5 ], [ %24, %22 ]
br i1 %6, label %22, label %10
10: ; preds = %8
%11 = mul i32 %9, %1
br label %12
12: ; preds = %10, %12
%13 = phi i64 [ 0, %10 ], [ %20, %12 ]
%14 = trunc i64 %13 to i32
%15 = add i32 %11, %14
%16 = zext i32 %15 to i64
%17 = getelementptr inbounds double, double* %0, i64 %16
%18 = load double, double* %17
%19 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([6 x i8], [6 x i8]* @.str, i64 0, i64 0), double %18)
%20 = add nuw nsw i64 %13, 1
%21 = icmp eq i64 %20, %7
br i1 %21, label %22, label %12
22: ; preds = %12, %8
%23 = tail call i32 @putchar(i32 10)
%24 = add nuw i32 %9, 1
%25 = icmp eq i32 %24, %2
br i1 %25, label %26, label %8
26: ; preds = %22, %3
%27 = tail call i32 @putchar(i32 10)
ret void
}