#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 *);
int main(void) {
  void scalarMultiply(int nRows, int nCols, int matrix[nRows][nCols],
                      int scalar);
  void displayMatrix(int nRows, int nCols, int matrix[nRows][nCols]);
  int aMatrix[3][5] = {
      {7, 16, 55, 13, 12}, {12, 10, 52, 0, 7}, {-2, 1, 2, 4, 9}};
  printf("Original matrix:\n");
  displayMatrix(3, 5, aMatrix);
  printf("\n");
  scalarMultiply(3, 5, aMatrix, 2);
  printf("Multiplied by 2:\n");
  displayMatrix(3, 5, aMatrix);
  printf("\n");
  scalarMultiply(3, 5, aMatrix, -1);
  printf("Then multiplied by -1:\n");
  displayMatrix(3, 5, aMatrix);
  printf("\n");
  return 0;
}


x86 assembly (clang, -O0):
<main>:
push   %rbp
mov    %rsp,%rbp
sub    $0x40,%rsp
movl   $0x0,-0x4(%rbp)
lea    -0x40(%rbp),%rdi
lea    0xea6(%rip),%rsi
mov    $0x3c,%edx
call   1050 <memcpy@plt>
lea    0xed1(%rip),%rdi
call   1030 <printf@plt>
lea    -0x40(%rbp),%rdx
mov    $0x3,%edi
mov    $0x5,%esi
call   1060 <displayMatrix@plt>
lea    0xeec(%rip),%rdi
call   1030 <printf@plt>
lea    -0x40(%rbp),%rdx
mov    $0x3,%edi
mov    $0x5,%esi
mov    $0x2,%ecx
call   1040 <scalarMultiply@plt>
lea    0xea0(%rip),%rdi
call   1030 <printf@plt>
lea    -0x40(%rbp),%rdx
mov    $0x3,%edi
mov    $0x5,%esi
call   1060 <displayMatrix@plt>
lea    0xea9(%rip),%rdi
call   1030 <printf@plt>
lea    -0x40(%rbp),%rdx
mov    $0x3,%edi
mov    $0x5,%esi
mov    $0xffffffff,%ecx
call   1040 <scalarMultiply@plt>
lea    0xe6f(%rip),%rdi
call   1030 <printf@plt>
lea    -0x40(%rbp),%rdx
mov    $0x3,%edi
mov    $0x5,%esi
call   1060 <displayMatrix@plt>
lea    0xe66(%rip),%rdi
call   1030 <printf@plt>
xor    %eax,%eax
add    $0x40,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<main>:
push   %rbx
sub    $0x40,%rsp
movups 0xee0(%rip),%xmm0
movups %xmm0,0x2c(%rsp)
movaps 0xec8(%rip),%xmm0
movaps %xmm0,0x20(%rsp)
movaps 0xeac(%rip),%xmm0
movaps %xmm0,0x10(%rsp)
movaps 0xe90(%rip),%xmm0
movaps %xmm0,(%rsp)
lea    0xec1(%rip),%rdi
call   1040 <puts@plt>
mov    %rsp,%rbx
mov    $0x3,%edi
mov    $0x5,%esi
mov    %rbx,%rdx
call   1060 <displayMatrix@plt>
mov    $0xa,%edi
call   1030 <putchar@plt>
mov    $0x3,%edi
mov    $0x5,%esi
mov    %rbx,%rdx
mov    $0x2,%ecx
call   1050 <scalarMultiply@plt>
lea    0xe90(%rip),%rdi
call   1040 <puts@plt>
mov    $0x3,%edi
mov    $0x5,%esi
mov    %rbx,%rdx
call   1060 <displayMatrix@plt>
mov    $0xa,%edi
call   1030 <putchar@plt>
mov    $0x3,%edi
mov    $0x5,%esi
mov    %rbx,%rdx
mov    $0xffffffff,%ecx
call   1050 <scalarMultiply@plt>
lea    0xe62(%rip),%rdi
call   1040 <puts@plt>
mov    $0x3,%edi
mov    $0x5,%esi
mov    %rbx,%rdx
call   1060 <displayMatrix@plt>
mov    $0xa,%edi
call   1030 <putchar@plt>
xor    %eax,%eax
add    $0x40,%rsp
pop    %rbx
ret

LLVM IR (-O0):
@__const.main.aMatrix = [3 x [5 x i32]] [[5 x i32] [i32 7, i32 16, i32 55, i32 13, i32 12], [5 x i32] [i32 12, i32 10, i32 52, i32 0, i32 7], [5 x i32] [i32 -2, i32 1, i32 2, i32 4, i32 9]]
@.str = [18 x i8] c"Original matrix:\0A\00"
@.str.1 = [2 x i8] c"\0A\00"
@.str.2 = [18 x i8] c"Multiplied by 2:\0A\00"
@.str.3 = [24 x i8] c"Then multiplied by -1:\0A\00"
define i32 @main() {
%1 = alloca i32
%2 = alloca [3 x [5 x i32]]
store i32 0, i32* %1
%3 = bitcast [3 x [5 x i32]]* %2 to i8*
%4 = call i32 @printf(i8* getelementptr inbounds ([18 x i8], [18 x i8]* @.str, i64 0, i64 0))
%5 = getelementptr inbounds [3 x [5 x i32]], [3 x [5 x i32]]* %2, i64 0, i64 0
%6 = bitcast [5 x i32]* %5 to i32*
%7 = call i32 @printf(i8* getelementptr inbounds ([2 x i8], [2 x i8]* @.str.1, i64 0, i64 0))
%8 = getelementptr inbounds [3 x [5 x i32]], [3 x [5 x i32]]* %2, i64 0, i64 0
%9 = bitcast [5 x i32]* %8 to i32*
%10 = call i32 @printf(i8* getelementptr inbounds ([18 x i8], [18 x i8]* @.str.2, i64 0, i64 0))
%11 = getelementptr inbounds [3 x [5 x i32]], [3 x [5 x i32]]* %2, i64 0, i64 0
%12 = bitcast [5 x i32]* %11 to i32*
%13 = call i32 @printf(i8* getelementptr inbounds ([2 x i8], [2 x i8]* @.str.1, i64 0, i64 0))
%14 = getelementptr inbounds [3 x [5 x i32]], [3 x [5 x i32]]* %2, i64 0, i64 0
%15 = bitcast [5 x i32]* %14 to i32*
%16 = call i32 @printf(i8* getelementptr inbounds ([24 x i8], [24 x i8]* @.str.3, i64 0, i64 0))
%17 = getelementptr inbounds [3 x [5 x i32]], [3 x [5 x i32]]* %2, i64 0, i64 0
%18 = bitcast [5 x i32]* %17 to i32*
%19 = call i32 @printf(i8* getelementptr inbounds ([2 x i8], [2 x i8]* @.str.1, i64 0, i64 0))
ret i32 0
}

LLVM IR (-O2):
@__const.main.aMatrix = [3 x [5 x i32]] [[5 x i32] [i32 7, i32 16, i32 55, i32 13, i32 12], [5 x i32] [i32 12, i32 10, i32 52, i32 0, i32 7], [5 x i32] [i32 -2, i32 1, i32 2, i32 4, i32 9]]
@str = [17 x i8] c"Original matrix:\00"
@str.4 = [17 x i8] c"Multiplied by 2:\00"
@str.5 = [23 x i8] c"Then multiplied by -1:\00"
define i32 @main() {
%1 = alloca [3 x [5 x i32]]
%2 = bitcast [3 x [5 x i32]]* %1 to i8*
%3 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([17 x i8], [17 x i8]* @str, i64 0, i64 0))
%4 = getelementptr inbounds [3 x [5 x i32]], [3 x [5 x i32]]* %1, i64 0, i64 0, i64 0
%5 = call i32 @putchar(i32 10)
%6 = call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([17 x i8], [17 x i8]* @str.4, i64 0, i64 0))
%7 = call i32 @putchar(i32 10)
%8 = call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([23 x i8], [23 x i8]* @str.5, i64 0, i64 0))
%9 = call i32 @putchar(i32 10)
ret i32 0
}