#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 print_matrix(const float *matrix, const char *name) {
  printf("%s\n", name);
  for (int i = 0; i < 4; i++) {
    for (int j = 0; j < 4; j++) {
      printf("%f ", matrix[i + j]);
    }
    printf("\n");
  }
}


x86 assembly (clang, -O0):
<print_matrix>:
push   %rbp
mov    %rsp,%rbp
sub    $0x20,%rsp
mov    %rdi,-0x8(%rbp)
mov    %rsi,-0x10(%rbp)
mov    -0x10(%rbp),%rsi
lea    0xed5(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
movl   $0x0,-0x14(%rbp)
cmpl   $0x4,-0x14(%rbp)
jge    11a2 <print_matrix+0x92>
movl   $0x0,-0x18(%rbp)
cmpl   $0x4,-0x18(%rbp)
jge    1186 <print_matrix+0x76>
mov    -0x8(%rbp),%rax
mov    -0x14(%rbp),%ecx
add    -0x18(%rbp),%ecx
movslq %ecx,%rcx
movss  (%rax,%rcx,4),%xmm0
cvtss2sd %xmm0,%xmm0
lea    0xe93(%rip),%rdi
mov    $0x1,%al
call   1030 <printf@plt>
mov    -0x18(%rbp),%eax
add    $0x1,%eax
mov    %eax,-0x18(%rbp)
jmp    114a <print_matrix+0x3a>
lea    0xe75(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
mov    -0x14(%rbp),%eax
add    $0x1,%eax
mov    %eax,-0x14(%rbp)
jmp    1139 <print_matrix+0x29>
add    $0x20,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<print_matrix>:
push   %r14
push   %rbx
push   %rax
mov    %rdi,%rbx
mov    %rsi,%rdi
call   1040 <puts@plt>
movss  (%rbx),%xmm0
cvtss2sd %xmm0,%xmm0
lea    0xeb2(%rip),%r14
mov    %r14,%rdi
mov    $0x1,%al
call   1050 <printf@plt>
movss  0x4(%rbx),%xmm0
cvtss2sd %xmm0,%xmm0
mov    %r14,%rdi
mov    $0x1,%al
call   1050 <printf@plt>
movss  0x8(%rbx),%xmm0
cvtss2sd %xmm0,%xmm0
mov    %r14,%rdi
mov    $0x1,%al
call   1050 <printf@plt>
movss  0xc(%rbx),%xmm0
cvtss2sd %xmm0,%xmm0
mov    %r14,%rdi
mov    $0x1,%al
call   1050 <printf@plt>
mov    $0xa,%edi
call   1030 <putchar@plt>
movss  0x4(%rbx),%xmm0
cvtss2sd %xmm0,%xmm0
mov    %r14,%rdi
mov    $0x1,%al
call   1050 <printf@plt>
movss  0x8(%rbx),%xmm0
cvtss2sd %xmm0,%xmm0
mov    %r14,%rdi
mov    $0x1,%al
call   1050 <printf@plt>
movss  0xc(%rbx),%xmm0
cvtss2sd %xmm0,%xmm0
mov    %r14,%rdi
mov    $0x1,%al
call   1050 <printf@plt>
movss  0x10(%rbx),%xmm0
cvtss2sd %xmm0,%xmm0
mov    %r14,%rdi
mov    $0x1,%al
call   1050 <printf@plt>
mov    $0xa,%edi
call   1030 <putchar@plt>
movss  0x8(%rbx),%xmm0
cvtss2sd %xmm0,%xmm0
mov    %r14,%rdi
mov    $0x1,%al
call   1050 <printf@plt>
movss  0xc(%rbx),%xmm0
cvtss2sd %xmm0,%xmm0
mov    %r14,%rdi
mov    $0x1,%al
call   1050 <printf@plt>
movss  0x10(%rbx),%xmm0
cvtss2sd %xmm0,%xmm0
mov    %r14,%rdi
mov    $0x1,%al
call   1050 <printf@plt>
movss  0x14(%rbx),%xmm0
cvtss2sd %xmm0,%xmm0
mov    %r14,%rdi
mov    $0x1,%al
call   1050 <printf@plt>
mov    $0xa,%edi
call   1030 <putchar@plt>
movss  0xc(%rbx),%xmm0
cvtss2sd %xmm0,%xmm0
mov    %r14,%rdi
mov    $0x1,%al
call   1050 <printf@plt>
movss  0x10(%rbx),%xmm0
cvtss2sd %xmm0,%xmm0
mov    %r14,%rdi
mov    $0x1,%al
call   1050 <printf@plt>
movss  0x14(%rbx),%xmm0
cvtss2sd %xmm0,%xmm0
mov    %r14,%rdi
mov    $0x1,%al
call   1050 <printf@plt>
movss  0x18(%rbx),%xmm0
cvtss2sd %xmm0,%xmm0
mov    %r14,%rdi
mov    $0x1,%al
call   1050 <printf@plt>
mov    $0xa,%edi
add    $0x8,%rsp
pop    %rbx
pop    %r14
jmp    1030 <putchar@plt>

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

LLVM IR (-O2):
@.str.1 = [4 x i8] c"%f \00"
define void @print_matrix(float* nocapture %0, i8* nocapture %1) {
%3 = tail call i32 @puts(i8* dereferenceable(1) %1)
%4 = load float, float* %0
%5 = fpext float %4 to double
%6 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([4 x i8], [4 x i8]* @.str.1, i64 0, i64 0), double %5)
%7 = getelementptr inbounds float, float* %0, i64 1
%8 = load float, float* %7
%9 = fpext float %8 to double
%10 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([4 x i8], [4 x i8]* @.str.1, i64 0, i64 0), double %9)
%11 = getelementptr inbounds float, float* %0, i64 2
%12 = load float, float* %11
%13 = fpext float %12 to double
%14 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([4 x i8], [4 x i8]* @.str.1, i64 0, i64 0), double %13)
%15 = getelementptr inbounds float, float* %0, i64 3
%16 = load float, float* %15
%17 = fpext float %16 to double
%18 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([4 x i8], [4 x i8]* @.str.1, i64 0, i64 0), double %17)
%19 = tail call i32 @putchar(i32 10)
%20 = load float, float* %7
%21 = fpext float %20 to double
%22 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([4 x i8], [4 x i8]* @.str.1, i64 0, i64 0), double %21)
%23 = load float, float* %11
%24 = fpext float %23 to double
%25 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([4 x i8], [4 x i8]* @.str.1, i64 0, i64 0), double %24)
%26 = load float, float* %15
%27 = fpext float %26 to double
%28 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([4 x i8], [4 x i8]* @.str.1, i64 0, i64 0), double %27)
%29 = getelementptr inbounds float, float* %0, i64 4
%30 = load float, float* %29
%31 = fpext float %30 to double
%32 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([4 x i8], [4 x i8]* @.str.1, i64 0, i64 0), double %31)
%33 = tail call i32 @putchar(i32 10)
%34 = load float, float* %11
%35 = fpext float %34 to double
%36 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([4 x i8], [4 x i8]* @.str.1, i64 0, i64 0), double %35)
%37 = load float, float* %15
%38 = fpext float %37 to double
%39 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([4 x i8], [4 x i8]* @.str.1, i64 0, i64 0), double %38)
%40 = load float, float* %29
%41 = fpext float %40 to double
%42 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([4 x i8], [4 x i8]* @.str.1, i64 0, i64 0), double %41)
%43 = getelementptr inbounds float, float* %0, i64 5
%44 = load float, float* %43
%45 = fpext float %44 to double
%46 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([4 x i8], [4 x i8]* @.str.1, i64 0, i64 0), double %45)
%47 = tail call i32 @putchar(i32 10)
%48 = load float, float* %15
%49 = fpext float %48 to double
%50 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([4 x i8], [4 x i8]* @.str.1, i64 0, i64 0), double %49)
%51 = load float, float* %29
%52 = fpext float %51 to double
%53 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([4 x i8], [4 x i8]* @.str.1, i64 0, i64 0), double %52)
%54 = load float, float* %43
%55 = fpext float %54 to double
%56 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([4 x i8], [4 x i8]* @.str.1, i64 0, i64 0), double %55)
%57 = getelementptr inbounds float, float* %0, i64 6
%58 = load float, float* %57
%59 = fpext float %58 to double
%60 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([4 x i8], [4 x i8]* @.str.1, i64 0, i64 0), double %59)
%61 = tail call i32 @putchar(i32 10)
ret void
}