#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 printFloatArray(float *array, size_t num) {
  for (size_t i = 0; i < num; i++)
    printf("%.1f  ", array[i]);
  printf("\n");
}


x86 assembly (clang, -O0):
<printFloatArray>:
push   %rbp
mov    %rsp,%rbp
sub    $0x20,%rsp
mov    %rdi,-0x8(%rbp)
mov    %rsi,-0x10(%rbp)
movq   $0x0,-0x18(%rbp)
mov    -0x18(%rbp),%rax
cmp    -0x10(%rbp),%rax
jae    1166 <printFloatArray+0x56>
mov    -0x8(%rbp),%rax
mov    -0x18(%rbp),%rcx
movss  (%rax,%rcx,4),%xmm0
cvtss2sd %xmm0,%xmm0
lea    0xeb2(%rip),%rdi
mov    $0x1,%al
call   1030 <printf@plt>
mov    -0x18(%rbp),%rax
add    $0x1,%rax
mov    %rax,-0x18(%rbp)
jmp    1128 <printFloatArray+0x18>
lea    0xe9a(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
add    $0x20,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<printFloatArray>:
push   %r15
push   %r14
push   %r12
push   %rbx
push   %rax
test   %rsi,%rsi
je     115d <printFloatArray+0x3d>
mov    %rsi,%r12
mov    %rdi,%r14
xor    %ebx,%ebx
lea    0xec4(%rip),%r15
nopl   0x0(%rax)
movss  (%r14,%rbx,4),%xmm0
cvtss2sd %xmm0,%xmm0
mov    %r15,%rdi
mov    $0x1,%al
call   1040 <printf@plt>
add    $0x1,%rbx
cmp    %rbx,%r12
jne    1140 <printFloatArray+0x20>
mov    $0xa,%edi
add    $0x8,%rsp
pop    %rbx
pop    %r12
pop    %r14
pop    %r15
jmp    1030 <putchar@plt>

LLVM IR (-O0):
@.str = [7 x i8] c"%.1f \00"
@.str.1 = [2 x i8] c"\0A\00"
define void @printFloatArray(float* %0, i64 %1) {
%3 = alloca float*
%4 = alloca i64
%5 = alloca i64
store float* %0, float** %3
store i64 %1, i64* %4
store i64 0, i64* %5
br label %6
6: ; preds = %17, %2
%7 = load i64, i64* %5
%8 = load i64, i64* %4
%9 = icmp ult i64 %7, %8
br i1 %9, label %10, label %20
10: ; preds = %6
%11 = load float*, float** %3
%12 = load i64, i64* %5
%13 = getelementptr inbounds float, float* %11, i64 %12
%14 = load float, float* %13
%15 = fpext float %14 to double
%16 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([7 x i8], [7 x i8]* @.str, i64 0, i64 0), double %15)
br label %17
17: ; preds = %10
%18 = load i64, i64* %5
%19 = add i64 %18, 1
store i64 %19, i64* %5
br label %6
20: ; preds = %6
%21 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([2 x i8], [2 x i8]* @.str.1, i64 0, i64 0))
ret void
}

LLVM IR (-O2):
@.str = [7 x i8] c"%.1f \00"
define void @printFloatArray(float* nocapture %0, i64 %1) {
%3 = icmp eq i64 %1, 0
br i1 %3, label %4, label %6
4: ; preds = %6, %2
%5 = tail call i32 @putchar(i32 10)
ret void
6: ; preds = %2, %6
%7 = phi i64 [ %12, %6 ], [ 0, %2 ]
%8 = getelementptr inbounds float, float* %0, i64 %7
%9 = load float, float* %8
%10 = fpext float %9 to double
%11 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([7 x i8], [7 x i8]* @.str, i64 0, i64 0), double %10)
%12 = add nuw i64 %7, 1
%13 = icmp eq i64 %12, %1
br i1 %13, label %4, label %6
}