#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 */
typedef int /*<<< orphan*/ FILE;

/* Variables and functions */
int /*<<< orphan*/ fclose(int /*<<< orphan*/ *);
int /*<<< orphan*/ *fopen(char *, char *);
int /*<<< orphan*/ fprintf(int /*<<< orphan*/ *, char *, int);
int /*<<< orphan*/ fputc(char, int /*<<< orphan*/ *);
int /*<<< orphan*/ nrerror(char *);
void write_imatrix_number(int **m, long nrl, long nrh, long ncl, long nch,
                          char *format, char *filename) {
  long i, j;
  FILE *f;
  f = fopen(filename, "wt");
  if (f == NULL) {
    nrerror("Can't open file in write_imatrix");
  }
  fprintf(f, "%5c", '#');
  for (j = ncl; j <= nch; j++) {
    fprintf(f, format, j);
  }
  fputc('\n', f);
  for (i = nrl; i <= nrh; i++) {
    fprintf(f, "[%3d]", i);
    for (j = ncl; j <= nch; j++) {
      fprintf(f, format, m[i][j]);
    }
    fputc('\n', f);
  }
  fclose(f);
}


x86 assembly (clang, -O0):
<write_imatrix_number>:
push   %rbp
mov    %rsp,%rbp
sub    $0x50,%rsp
mov    0x10(%rbp),%rax
mov    %rdi,-0x8(%rbp)
mov    %rsi,-0x10(%rbp)
mov    %rdx,-0x18(%rbp)
mov    %rcx,-0x20(%rbp)
mov    %r8,-0x28(%rbp)
mov    %r9,-0x30(%rbp)
mov    0x10(%rbp),%rdi
lea    0xe81(%rip),%rsi
call   1070 <fopen@plt>
mov    %rax,-0x48(%rbp)
cmpq   $0x0,-0x48(%rbp)
jne    119f <write_imatrix_number+0x4f>
lea    0xe69(%rip),%rdi
call   1030 <nrerror@plt>
mov    -0x48(%rbp),%rdi
lea    0xe7a(%rip),%rsi
mov    $0x23,%edx
call   1060 <fprintf@plt>
mov    -0x20(%rbp),%rax
mov    %rax,-0x40(%rbp)
mov    -0x40(%rbp),%rax
cmp    -0x28(%rbp),%rax
jg     11ee <write_imatrix_number+0x9e>
mov    -0x48(%rbp),%rdi
mov    -0x30(%rbp),%rsi
mov    -0x40(%rbp),%rax
mov    %eax,%edx
call   1060 <fprintf@plt>
mov    -0x40(%rbp),%rax
add    $0x1,%rax
mov    %rax,-0x40(%rbp)
jmp    11bc <write_imatrix_number+0x6c>
mov    -0x48(%rbp),%rsi
mov    $0xa,%edi
call   1050 <fputc@plt>
mov    -0x10(%rbp),%rax
mov    %rax,-0x38(%rbp)
mov    -0x38(%rbp),%rax
cmp    -0x18(%rbp),%rax
jg     128e <write_imatrix_number+0x13e>
mov    -0x48(%rbp),%rdi
mov    -0x38(%rbp),%rax
mov    %eax,%edx
lea    0xe05(%rip),%rsi
call   1060 <fprintf@plt>
mov    -0x20(%rbp),%rax
mov    %rax,-0x40(%rbp)
mov    -0x40(%rbp),%rax
cmp    -0x28(%rbp),%rax
jg     126f <write_imatrix_number+0x11f>
mov    -0x48(%rbp),%rdi
mov    -0x30(%rbp),%rsi
mov    -0x8(%rbp),%rax
mov    -0x38(%rbp),%rcx
mov    (%rax,%rcx,8),%rax
mov    -0x40(%rbp),%rcx
mov    (%rax,%rcx,4),%edx
call   1060 <fprintf@plt>
mov    -0x40(%rbp),%rax
add    $0x1,%rax
mov    %rax,-0x40(%rbp)
jmp    1230 <write_imatrix_number+0xe0>
mov    -0x48(%rbp),%rsi
mov    $0xa,%edi
call   1050 <fputc@plt>
mov    -0x38(%rbp),%rax
add    $0x1,%rax
mov    %rax,-0x38(%rbp)
jmp    1204 <write_imatrix_number+0xb4>
mov    -0x48(%rbp),%rdi
call   1040 <fclose@plt>
add    $0x50,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<write_imatrix_number>:
push   %rbp
push   %r15
push   %r14
push   %r13
push   %r12
push   %rbx
sub    $0x28,%rsp
mov    %r9,%r14
mov    %r8,%rbx
mov    %rcx,%rbp
mov    %rdx,0x18(%rsp)
mov    %rsi,%r13
mov    %rdi,0x20(%rsp)
mov    0x60(%rsp),%rdi
lea    0xe80(%rip),%rsi
call   1070 <fopen@plt>
mov    %rax,%r12
test   %rax,%rax
jne    1199 <write_imatrix_number+0x49>
lea    0xe6f(%rip),%rdi
call   1030 <nrerror@plt>
lea    0xe84(%rip),%rsi
mov    %r12,%rdi
mov    $0x23,%edx
call   1060 <fprintf@plt>
mov    %rbx,0x8(%rsp)
mov    %rbp,0x10(%rsp)
cmp    %rbx,%rbp
jg     11e7 <write_imatrix_number+0x97>
mov    0x8(%rsp),%rax
lea    0x1(%rax),%rbx
mov    0x10(%rsp),%r15
nopw   0x0(%rax,%rax,1)
mov    %r12,%rdi
mov    %r14,%rsi
mov    %r15d,%edx
call   1060 <fprintf@plt>
add    $0x1,%r15
cmp    %r15,%rbx
jne    11d0 <write_imatrix_number+0x80>
mov    $0xa,%edi
mov    %r12,%rsi
call   1050 <fputc@plt>
cmp    0x18(%rsp),%r13
jle    1211 <write_imatrix_number+0xc1>
mov    %r12,%rdi
add    $0x28,%rsp
pop    %rbx
pop    %r12
pop    %r13
pop    %r14
pop    %r15
pop    %rbp
jmp    1040 <fclose@plt>
mov    0x8(%rsp),%rax
lea    0x1(%rax),%rbx
mov    0x20(%rsp),%r15
jmp    124b <write_imatrix_number+0xfb>
cs nopw 0x0(%rax,%rax,1)
nopl   0x0(%rax,%rax,1)
mov    $0xa,%edi
mov    %r12,%rsi
call   1050 <fputc@plt>
lea    0x1(%r13),%rax
cmp    0x18(%rsp),%r13
mov    %rax,%r13
je     11fb <write_imatrix_number+0xab>
mov    %r12,%rdi
lea    0xdd3(%rip),%rsi
mov    %r13d,%edx
call   1060 <fprintf@plt>
mov    0x8(%rsp),%rax
cmp    %rax,0x10(%rsp)
jg     1230 <write_imatrix_number+0xe0>
mov    0x10(%rsp),%rbp
xchg   %ax,%ax
mov    (%r15,%r13,8),%rax
mov    (%rax,%rbp,4),%edx
mov    %r12,%rdi
mov    %r14,%rsi
call   1060 <fprintf@plt>
add    $0x1,%rbp
cmp    %rbp,%rbx
jne    1270 <write_imatrix_number+0x120>
jmp    1230 <write_imatrix_number+0xe0>

LLVM IR (-O0):
@.str = [3 x i8] c"wt\00"
@.str.1 = [33 x i8] c"Can't open file in write_imatrix\00"
@.str.2 = [4 x i8] c"%5c\00"
@.str.3 = [6 x i8] c"[%3d]\00"
define void @write_imatrix_number(i32** %0, i64 %1, i64 %2, i64 %3, i64 %4, i8* %5, i8* %6) {
%8 = alloca i32**
%9 = alloca i64
%10 = alloca i64
%11 = alloca i64
%12 = alloca i64
%13 = alloca i8*
%14 = alloca i8*
%15 = alloca i64
%16 = alloca i64
%17 = alloca i32*
store i32** %0, i32*** %8
store i64 %1, i64* %9
store i64 %2, i64* %10
store i64 %3, i64* %11
store i64 %4, i64* %12
store i8* %5, i8** %13
store i8* %6, i8** %14
%18 = load i8*, i8** %14
%19 = call i32* @fopen(i8* %18, i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str, i64 0, i64 0))
store i32* %19, i32** %17
%20 = load i32*, i32** %17
%21 = icmp eq i32* %20, null
br i1 %21, label %22, label %24
22: ; preds = %7
%23 = call i32 @nrerror(i8* getelementptr inbounds ([33 x i8], [33 x i8]* @.str.1, i64 0, i64 0))
br label %24
24: ; preds = %22, %7
%25 = load i32*, i32** %17
%26 = call i32 @fprintf(i32* %25, i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.2, i64 0, i64 0), i32 35)
%27 = load i64, i64* %11
store i64 %27, i64* %16
br label %28
28: ; preds = %38, %24
%29 = load i64, i64* %16
%30 = load i64, i64* %12
%31 = icmp sle i64 %29, %30
br i1 %31, label %32, label %41
32: ; preds = %28
%33 = load i32*, i32** %17
%34 = load i8*, i8** %13
%35 = load i64, i64* %16
%36 = trunc i64 %35 to i32
%37 = call i32 @fprintf(i32* %33, i8* %34, i32 %36)
br label %38
38: ; preds = %32
%39 = load i64, i64* %16
%40 = add nsw i64 %39, 1
store i64 %40, i64* %16
br label %28
41: ; preds = %28
%42 = load i32*, i32** %17
%43 = call i32 @fputc(i8 signext 10, i32* %42)
%44 = load i64, i64* %9
store i64 %44, i64* %15
br label %45
45: ; preds = %76, %41
%46 = load i64, i64* %15
%47 = load i64, i64* %10
%48 = icmp sle i64 %46, %47
br i1 %48, label %49, label %79
49: ; preds = %45
%50 = load i32*, i32** %17
%51 = load i64, i64* %15
%52 = trunc i64 %51 to i32
%53 = call i32 @fprintf(i32* %50, i8* getelementptr inbounds ([6 x i8], [6 x i8]* @.str.3, i64 0, i64 0), i32 %52)
%54 = load i64, i64* %11
store i64 %54, i64* %16
br label %55
55: ; preds = %70, %49
%56 = load i64, i64* %16
%57 = load i64, i64* %12
%58 = icmp sle i64 %56, %57
br i1 %58, label %59, label %73
59: ; preds = %55
%60 = load i32*, i32** %17
%61 = load i8*, i8** %13
%62 = load i32**, i32*** %8
%63 = load i64, i64* %15
%64 = getelementptr inbounds i32*, i32** %62, i64 %63
%65 = load i32*, i32** %64
%66 = load i64, i64* %16
%67 = getelementptr inbounds i32, i32* %65, i64 %66
%68 = load i32, i32* %67
%69 = call i32 @fprintf(i32* %60, i8* %61, i32 %68)
br label %70
70: ; preds = %59
%71 = load i64, i64* %16
%72 = add nsw i64 %71, 1
store i64 %72, i64* %16
br label %55
73: ; preds = %55
%74 = load i32*, i32** %17
%75 = call i32 @fputc(i8 signext 10, i32* %74)
br label %76
76: ; preds = %73
%77 = load i64, i64* %15
%78 = add nsw i64 %77, 1
store i64 %78, i64* %15
br label %45
79: ; preds = %45
%80 = load i32*, i32** %17
%81 = call i32 @fclose(i32* %80)
ret void
}

LLVM IR (-O2):
@.str = [3 x i8] c"wt\00"
@.str.1 = [33 x i8] c"Can't open file in write_imatrix\00"
@.str.2 = [4 x i8] c"%5c\00"
@.str.3 = [6 x i8] c"[%3d]\00"
define void @write_imatrix_number(i32** nocapture %0, i64 %1, i64 %2, i64 %3, i64 %4, i8* nocapture %5, i8* nocapture %6) {
%8 = tail call i32* @fopen(i8* %6, i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str, i64 0, i64 0))
%9 = icmp eq i32* %8, null
br i1 %9, label %10, label %12
10: ; preds = %7
%11 = tail call i32 @nrerror(i8* getelementptr inbounds ([33 x i8], [33 x i8]* @.str.1, i64 0, i64 0))
br label %12
12: ; preds = %10, %7
%13 = tail call i32 @fprintf(i32* %8, i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.2, i64 0, i64 0), i32 35)
%14 = icmp sgt i64 %3, %4
br i1 %14, label %21, label %15
15: ; preds = %12, %15
%16 = phi i64 [ %19, %15 ], [ %3, %12 ]
%17 = trunc i64 %16 to i32
%18 = tail call i32 @fprintf(i32* %8, i8* %5, i32 %17)
%19 = add i64 %16, 1
%20 = icmp eq i64 %16, %4
br i1 %20, label %21, label %15
21: ; preds = %15, %12
%22 = tail call i32 @fputc(i8 signext 10, i32* %8)
%23 = icmp sgt i64 %1, %2
br i1 %23, label %42, label %24
24: ; preds = %21, %38
%25 = phi i64 [ %40, %38 ], [ %1, %21 ]
%26 = trunc i64 %25 to i32
%27 = tail call i32 @fprintf(i32* %8, i8* getelementptr inbounds ([6 x i8], [6 x i8]* @.str.3, i64 0, i64 0), i32 %26)
br i1 %14, label %38, label %28
28: ; preds = %24
%29 = getelementptr inbounds i32*, i32** %0, i64 %25
br label %30
30: ; preds = %28, %30
%31 = phi i64 [ %3, %28 ], [ %36, %30 ]
%32 = load i32*, i32** %29
%33 = getelementptr inbounds i32, i32* %32, i64 %31
%34 = load i32, i32* %33
%35 = tail call i32 @fprintf(i32* %8, i8* %5, i32 %34)
%36 = add i64 %31, 1
%37 = icmp eq i64 %31, %4
br i1 %37, label %38, label %30
38: ; preds = %30, %24
%39 = tail call i32 @fputc(i8 signext 10, i32* %8)
%40 = add i64 %25, 1
%41 = icmp eq i64 %25, %2
br i1 %41, label %42, label %24
42: ; preds = %38, %21
%43 = tail call i32 @fclose(i32* %8)
ret void
}