#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 displayMatrix(double **A, int m, int n) {
  for (int i = 0; i < m; i++) {
    for (int j = 0; j < n; j++)
      printf("%4.4f|", A[i][j]);
    printf("\n");
  }
}


x86 assembly (clang, -O0):
<displayMatrix>:
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 <displayMatrix+0x85>
movl   $0x0,-0x18(%rbp)
mov    -0x18(%rbp),%eax
cmp    -0x10(%rbp),%eax
jge    1179 <displayMatrix+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 <displayMatrix+0x2c>
lea    0xe87(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
mov    -0x14(%rbp),%eax
add    $0x1,%eax
mov    %eax,-0x14(%rbp)
jmp    1129 <displayMatrix+0x19>
add    $0x20,%rsp
pop    %rbp
ret

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

LLVM IR (-O0):
@.str = [7 x i8] c"%4.4f|\00"
@.str.1 = [2 x i8] c"\0A\00"
define void @displayMatrix(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 ([7 x i8], [7 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 = [7 x i8] c"%4.4f|\00"
define void @displayMatrix(double** nocapture %0, i32 %1, i32 %2) {
%4 = icmp sgt i32 %1, 0
br i1 %4, label %5, label %13
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, %14
%10 = phi i64 [ 0, %5 ], [ %16, %14 ]
br i1 %6, label %11, label %14
11: ; preds = %9
%12 = getelementptr inbounds double*, double** %0, i64 %10
br label %18
13: ; preds = %14, %3
ret void
14: ; preds = %18, %9
%15 = tail call i32 @putchar(i32 10)
%16 = add nuw nsw i64 %10, 1
%17 = icmp eq i64 %16, %7
br i1 %17, label %13, label %9
18: ; preds = %11, %18
%19 = phi i64 [ 0, %11 ], [ %24, %18 ]
%20 = load double*, double** %12
%21 = getelementptr inbounds double, double* %20, i64 %19
%22 = load double, double* %21
%23 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([7 x i8], [7 x i8]* @.str, i64 0, i64 0), double %22)
%24 = add nuw nsw i64 %19, 1
%25 = icmp eq i64 %24, %8
br i1 %25, label %14, label %18
}