#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 printMatrix(int m, int n, float **x) {
  int i = 0;
  int j = 0;
  for (i = 0; i < m; i++) {
    for (j = 0; j < n; j++) {
      printf("%f ", *(*(x + i) + j));
    }
    printf("\n");
  }
  printf("\n");
}


x86 assembly (clang, -O0):
<printMatrix>:
push   %rbp
mov    %rsp,%rbp
sub    $0x20,%rsp
mov    %edi,-0x4(%rbp)
mov    %esi,-0x8(%rbp)
mov    %rdx,-0x10(%rbp)
movl   $0x0,-0x14(%rbp)
movl   $0x0,-0x18(%rbp)
movl   $0x0,-0x14(%rbp)
mov    -0x14(%rbp),%eax
cmp    -0x4(%rbp),%eax
jge    11a7 <printMatrix+0x97>
movl   $0x0,-0x18(%rbp)
mov    -0x18(%rbp),%eax
cmp    -0x8(%rbp),%eax
jge    118b <printMatrix+0x7b>
mov    -0x10(%rbp),%rax
movslq -0x14(%rbp),%rcx
mov    (%rax,%rcx,8),%rax
movslq -0x18(%rbp),%rcx
movss  (%rax,%rcx,4),%xmm0
cvtss2sd %xmm0,%xmm0
lea    0xe8a(%rip),%rdi
mov    $0x1,%al
call   1030 <printf@plt>
mov    -0x18(%rbp),%eax
add    $0x1,%eax
mov    %eax,-0x18(%rbp)
jmp    114a <printMatrix+0x3a>
lea    0xe72(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
mov    -0x14(%rbp),%eax
add    $0x1,%eax
mov    %eax,-0x14(%rbp)
jmp    1137 <printMatrix+0x27>
lea    0xe56(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
add    $0x20,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<printMatrix>:
push   %rbp
push   %r15
push   %r14
push   %r13
push   %r12
push   %rbx
push   %rax
mov    %esi,0x4(%rsp)
test   %edi,%edi
jle    1194 <printMatrix+0x74>
mov    %rdx,%r13
mov    %edi,%r15d
mov    0x4(%rsp),%ebp
xor    %ebx,%ebx
lea    0xeba(%rip),%r12
jmp    1163 <printMatrix+0x43>
nopl   0x0(%rax,%rax,1)
mov    $0xa,%edi
call   1030 <putchar@plt>
add    $0x1,%rbx
cmp    %r15,%rbx
je     1194 <printMatrix+0x74>
cmpl   $0x0,0x4(%rsp)
jle    1150 <printMatrix+0x30>
xor    %r14d,%r14d
nopl   (%rax)
mov    0x0(%r13,%rbx,8),%rax
movss  (%rax,%r14,4),%xmm0
cvtss2sd %xmm0,%xmm0
mov    %r12,%rdi
mov    $0x1,%al
call   1040 <printf@plt>
add    $0x1,%r14
cmp    %r14,%rbp
jne    1170 <printMatrix+0x50>
jmp    1150 <printMatrix+0x30>
mov    $0xa,%edi
add    $0x8,%rsp
pop    %rbx
pop    %r12
pop    %r13
pop    %r14
pop    %r15
pop    %rbp
jmp    1030 <putchar@plt>

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