#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_float_array(float *array, int length) {
  int i;
  printf("float"
         " array:");
  for (i = 0; i < length - 1; i++) {
    printf(" %i: %"
           "e"
           ", ",
           i, array[i]);
  }
  printf("%i: %"
         "e"
         "\n",
         i, array[i]);
}


x86 assembly (clang, -O0):
<print_float_array>:
push   %rbp
mov    %rsp,%rbp
sub    $0x10,%rsp
mov    %rdi,-0x8(%rbp)
mov    %esi,-0xc(%rbp)
lea    0xeda(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
movl   $0x0,-0x10(%rbp)
mov    -0x10(%rbp),%eax
mov    -0xc(%rbp),%ecx
sub    $0x1,%ecx
cmp    %ecx,%eax
jge    1175 <print_float_array+0x65>
mov    -0x10(%rbp),%esi
mov    -0x8(%rbp),%rax
movslq -0x10(%rbp),%rcx
movss  (%rax,%rcx,4),%xmm0
cvtss2sd %xmm0,%xmm0
lea    0xead(%rip),%rdi
mov    $0x1,%al
call   1030 <printf@plt>
mov    -0x10(%rbp),%eax
add    $0x1,%eax
mov    %eax,-0x10(%rbp)
jmp    1134 <print_float_array+0x24>
mov    -0x10(%rbp),%esi
mov    -0x8(%rbp),%rax
movslq -0x10(%rbp),%rcx
movss  (%rax,%rcx,4),%xmm0
cvtss2sd %xmm0,%xmm0
lea    0xe87(%rip),%rdi
mov    $0x1,%al
call   1030 <printf@plt>
add    $0x10,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<print_float_array>:
push   %rbp
push   %r15
push   %r14
push   %r12
push   %rbx
mov    %esi,%r14d
mov    %rdi,%r12
lea    0xedb(%rip),%rdi
xor    %ebp,%ebp
xor    %eax,%eax
call   1030 <printf@plt>
cmp    $0x2,%r14d
jl     1172 <print_float_array+0x62>
add    $0xffffffff,%r14d
mov    %r14d,%ebx
xor    %ebp,%ebp
lea    0xec9(%rip),%r15
cs nopw 0x0(%rax,%rax,1)
xchg   %ax,%ax
movss  (%r12,%rbp,4),%xmm0
cvtss2sd %xmm0,%xmm0
mov    %r15,%rdi
mov    %ebp,%esi
mov    $0x1,%al
call   1030 <printf@plt>
add    $0x1,%rbp
cmp    %rbp,%rbx
jne    1150 <print_float_array+0x40>
mov    %r14d,%ebp
mov    %ebp,%eax
movss  (%r12,%rax,4),%xmm0
cvtss2sd %xmm0,%xmm0
lea    0xe92(%rip),%rdi
mov    %ebp,%esi
mov    $0x1,%al
pop    %rbx
pop    %r12
pop    %r14
pop    %r15
pop    %rbp
jmp    1030 <printf@plt>

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

LLVM IR (-O2):
@.str = [13 x i8] c"float array:\00"
@.str.1 = [10 x i8] c" %i: %e, \00"
@.str.2 = [8 x i8] c"%i: %e\0A\00"
define void @print_float_array(float* nocapture %0, i32 %1) {
%3 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([13 x i8], [13 x i8]* @.str, i64 0, i64 0))
%4 = add i32 %1, -1
%5 = icmp sgt i32 %1, 1
br i1 %5, label %6, label %17
6: ; preds = %2
%7 = zext i32 %4 to i64
br label %8
8: ; preds = %6, %8
%9 = phi i64 [ 0, %6 ], [ %15, %8 ]
%10 = getelementptr inbounds float, float* %0, i64 %9
%11 = load float, float* %10
%12 = fpext float %11 to double
%13 = trunc i64 %9 to i32
%14 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([10 x i8], [10 x i8]* @.str.1, i64 0, i64 0), i32 %13, double %12)
%15 = add nuw nsw i64 %9, 1
%16 = icmp eq i64 %15, %7
br i1 %16, label %17, label %8
17: ; preds = %8, %2
%18 = phi i32 [ 0, %2 ], [ %4, %8 ]
%19 = zext i32 %18 to i64
%20 = getelementptr inbounds float, float* %0, i64 %19
%21 = load float, float* %20
%22 = fpext float %21 to double
%23 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([8 x i8], [8 x i8]* @.str.2, i64 0, i64 0), i32 %18, double %22)
ret void
}