#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 lrintf(float);
void f2uc_array(float *src, unsigned char *dest, int count, int normalize) {
  float normfact;
  normfact = normalize ? (1.0 * 0x7F) : 1.0;
  while (--count >= 0) {
    dest[count] = lrintf(src[count] * normfact) + 128;
  };
}


x86 assembly (clang, -O0):
<f2uc_array>:
push   %rbp
mov    %rsp,%rbp
sub    $0x30,%rsp
mov    %rdi,-0x8(%rbp)
mov    %rsi,-0x10(%rbp)
mov    %edx,-0x14(%rbp)
mov    %ecx,-0x18(%rbp)
mov    -0x18(%rbp),%eax
movsd  0xecf(%rip),%xmm0
movsd  0xecf(%rip),%xmm1
movsd  %xmm1,-0x30(%rbp)
cmp    $0x0,%eax
movsd  %xmm0,-0x28(%rbp)
jne    1156 <f2uc_array+0x46>
movsd  -0x30(%rbp),%xmm0
movsd  %xmm0,-0x28(%rbp)
movsd  -0x28(%rbp),%xmm0
cvtsd2ss %xmm0,%xmm0
movss  %xmm0,-0x1c(%rbp)
mov    -0x14(%rbp),%eax
add    $0xffffffff,%eax
mov    %eax,-0x14(%rbp)
cmp    $0x0,%eax
jl     11a4 <f2uc_array+0x94>
mov    -0x8(%rbp),%rax
movslq -0x14(%rbp),%rcx
movss  (%rax,%rcx,4),%xmm0
mulss  -0x1c(%rbp),%xmm0
call   1030 <lrintf@plt>
add    $0x80,%eax
mov    %al,%dl
mov    -0x10(%rbp),%rax
movslq -0x14(%rbp),%rcx
mov    %dl,(%rax,%rcx,1)
jmp    1164 <f2uc_array+0x54>
add    $0x30,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<f2uc_array>:
push   %r15
push   %r14
push   %r12
push   %rbx
push   %rax
xor    %eax,%eax
test   %ecx,%ecx
sete   %cl
test   %edx,%edx
jle    1175 <f2uc_array+0x65>
mov    %rsi,%r14
mov    %rdi,%r15
mov    %cl,%al
lea    0xece(%rip),%rcx
movss  (%rcx,%rax,4),%xmm0
movss  %xmm0,0x4(%rsp)
mov    %edx,%ebx
add    $0x1,%rbx
cs nopw 0x0(%rax,%rax,1)
nopl   (%rax)
lea    -0x2(%rbx),%r12d
movss  (%r15,%r12,4),%xmm0
mulss  0x4(%rsp),%xmm0
call   1030 <lrintf@plt>
xor    $0x80,%al
mov    %al,(%r14,%r12,1)
add    $0xffffffffffffffff,%rbx
cmp    $0x1,%rbx
ja     1150 <f2uc_array+0x40>
add    $0x8,%rsp
pop    %rbx
pop    %r12
pop    %r14
pop    %r15
ret

LLVM IR (-O0):
define void @f2uc_array(float* %0, i8* %1, i32 %2, i32 %3) {
%5 = alloca float*
%6 = alloca i8*
%7 = alloca i32
%8 = alloca i32
%9 = alloca float
store float* %0, float** %5
store i8* %1, i8** %6
store i32 %2, i32* %7
store i32 %3, i32* %8
%10 = load i32, i32* %8
%11 = icmp ne i32 %10, 0
%12 = zext i1 %11 to i64
%13 = select i1 %11, double 1.270000e+02, double 1.000000e+00
%14 = fptrunc double %13 to float
store float %14, float* %9
br label %15
15: ; preds = %19, %4
%16 = load i32, i32* %7
%17 = add nsw i32 %16, -1
store i32 %17, i32* %7
%18 = icmp sge i32 %17, 0
br i1 %18, label %19, label %34
19: ; preds = %15
%20 = load float*, float** %5
%21 = load i32, i32* %7
%22 = sext i32 %21 to i64
%23 = getelementptr inbounds float, float* %20, i64 %22
%24 = load float, float* %23
%25 = load float, float* %9
%26 = fmul float %24, %25
%27 = call i32 @lrintf(float %26)
%28 = add nsw i32 %27, 128
%29 = trunc i32 %28 to i8
%30 = load i8*, i8** %6
%31 = load i32, i32* %7
%32 = sext i32 %31 to i64
%33 = getelementptr inbounds i8, i8* %30, i64 %32
store i8 %29, i8* %33
br label %15
34: ; preds = %15
ret void
}

LLVM IR (-O2):
define void @f2uc_array(float* nocapture %0, i8* nocapture writeonly %1, i32 %2, i32 %3) {
%5 = icmp eq i32 %3, 0
%6 = select i1 %5, float 1.000000e+00, float 1.270000e+02
%7 = icmp sgt i32 %2, 0
br i1 %7, label %8, label %22
8: ; preds = %4
%9 = zext i32 %2 to i64
br label %10
10: ; preds = %8, %10
%11 = phi i64 [ %9, %8 ], [ %12, %10 ]
%12 = add nsw i64 %11, -1
%13 = and i64 %12, 4294967295
%14 = getelementptr inbounds float, float* %0, i64 %13
%15 = load float, float* %14
%16 = fmul float %6, %15
%17 = tail call i32 @lrintf(float %16)
%18 = trunc i32 %17 to i8
%19 = xor i8 %18, -128
%20 = getelementptr inbounds i8, i8* %1, i64 %13
store i8 %19, i8* %20
%21 = icmp ugt i64 %11, 1
br i1 %21, label %10, label %22
22: ; preds = %10, %4
ret void
}