#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 */
typedef struct TYPE_3__ TYPE_1__;

/* Type definitions */
struct TYPE_3__ {
  char member_0;
  char member_1;
  char member_2;
  char member_3;
  char member_4;
  char member_5;
  char member_6;
  char member_7;
  char member_8;
  char member_9;
  char member_10;
  char member_11;
  char member_12;
  char member_13;
  char member_14;
  char member_15;
};
typedef TYPE_1__ __v16qi;

/* Variables and functions */
__v16qi foo_9(char c) {
  __v16qi v1 = {c, c, c, c, c, c, c, c, c, c, c, c, c, c, c, c};
  return v1;
}


x86 assembly (clang, -O0):
<foo_9>:
push   %rbp
mov    %rsp,%rbp
mov    %dil,%al
mov    %al,-0x11(%rbp)
mov    -0x11(%rbp),%al
mov    %al,-0x10(%rbp)
mov    -0x11(%rbp),%al
mov    %al,-0xf(%rbp)
mov    -0x11(%rbp),%al
mov    %al,-0xe(%rbp)
mov    -0x11(%rbp),%al
mov    %al,-0xd(%rbp)
mov    -0x11(%rbp),%al
mov    %al,-0xc(%rbp)
mov    -0x11(%rbp),%al
mov    %al,-0xb(%rbp)
mov    -0x11(%rbp),%al
mov    %al,-0xa(%rbp)
mov    -0x11(%rbp),%al
mov    %al,-0x9(%rbp)
mov    -0x11(%rbp),%al
mov    %al,-0x8(%rbp)
mov    -0x11(%rbp),%al
mov    %al,-0x7(%rbp)
mov    -0x11(%rbp),%al
mov    %al,-0x6(%rbp)
mov    -0x11(%rbp),%al
mov    %al,-0x5(%rbp)
mov    -0x11(%rbp),%al
mov    %al,-0x4(%rbp)
mov    -0x11(%rbp),%al
mov    %al,-0x3(%rbp)
mov    -0x11(%rbp),%al
mov    %al,-0x2(%rbp)
mov    -0x11(%rbp),%al
mov    %al,-0x1(%rbp)
mov    -0x10(%rbp),%rax
mov    -0x8(%rbp),%rdx
pop    %rbp
ret

x86 assembly (clang, -O2):
<foo_9>:
movzbl %dil,%ecx
movabs $0x101010101010101,%rax
01 01 01
imul   %rcx,%rax
mov    %rax,%rdx
ret

LLVM IR (-O0):
%struct.TYPE_3__ = type { i8, i8, i8, i8, i8, i8, i8, i8, i8, i8, i8, i8, i8, i8, i8, i8 }
define { i64, i64 } @foo_9(i8 signext %0) {
%2 = alloca %struct.TYPE_3__
%3 = alloca i8
store i8 %0, i8* %3
%4 = getelementptr inbounds %struct.TYPE_3__, %struct.TYPE_3__* %2, i32 0, i32 0
%5 = load i8, i8* %3
store i8 %5, i8* %4
%6 = getelementptr inbounds %struct.TYPE_3__, %struct.TYPE_3__* %2, i32 0, i32 1
%7 = load i8, i8* %3
store i8 %7, i8* %6
%8 = getelementptr inbounds %struct.TYPE_3__, %struct.TYPE_3__* %2, i32 0, i32 2
%9 = load i8, i8* %3
store i8 %9, i8* %8
%10 = getelementptr inbounds %struct.TYPE_3__, %struct.TYPE_3__* %2, i32 0, i32 3
%11 = load i8, i8* %3
store i8 %11, i8* %10
%12 = getelementptr inbounds %struct.TYPE_3__, %struct.TYPE_3__* %2, i32 0, i32 4
%13 = load i8, i8* %3
store i8 %13, i8* %12
%14 = getelementptr inbounds %struct.TYPE_3__, %struct.TYPE_3__* %2, i32 0, i32 5
%15 = load i8, i8* %3
store i8 %15, i8* %14
%16 = getelementptr inbounds %struct.TYPE_3__, %struct.TYPE_3__* %2, i32 0, i32 6
%17 = load i8, i8* %3
store i8 %17, i8* %16
%18 = getelementptr inbounds %struct.TYPE_3__, %struct.TYPE_3__* %2, i32 0, i32 7
%19 = load i8, i8* %3
store i8 %19, i8* %18
%20 = getelementptr inbounds %struct.TYPE_3__, %struct.TYPE_3__* %2, i32 0, i32 8
%21 = load i8, i8* %3
store i8 %21, i8* %20
%22 = getelementptr inbounds %struct.TYPE_3__, %struct.TYPE_3__* %2, i32 0, i32 9
%23 = load i8, i8* %3
store i8 %23, i8* %22
%24 = getelementptr inbounds %struct.TYPE_3__, %struct.TYPE_3__* %2, i32 0, i32 10
%25 = load i8, i8* %3
store i8 %25, i8* %24
%26 = getelementptr inbounds %struct.TYPE_3__, %struct.TYPE_3__* %2, i32 0, i32 11
%27 = load i8, i8* %3
store i8 %27, i8* %26
%28 = getelementptr inbounds %struct.TYPE_3__, %struct.TYPE_3__* %2, i32 0, i32 12
%29 = load i8, i8* %3
store i8 %29, i8* %28
%30 = getelementptr inbounds %struct.TYPE_3__, %struct.TYPE_3__* %2, i32 0, i32 13
%31 = load i8, i8* %3
store i8 %31, i8* %30
%32 = getelementptr inbounds %struct.TYPE_3__, %struct.TYPE_3__* %2, i32 0, i32 14
%33 = load i8, i8* %3
store i8 %33, i8* %32
%34 = getelementptr inbounds %struct.TYPE_3__, %struct.TYPE_3__* %2, i32 0, i32 15
%35 = load i8, i8* %3
store i8 %35, i8* %34
%36 = bitcast %struct.TYPE_3__* %2 to { i64, i64 }*
%37 = load { i64, i64 }, { i64, i64 }* %36
ret { i64, i64 } %37
}

LLVM IR (-O2):
define { i64, i64 } @foo_9(i8 signext %0) {
%2 = zext i8 %0 to i64
%3 = mul nuw i64 %2, 72340172838076673
%4 = insertvalue { i64, i64 } poison, i64 %3, 0
%5 = insertvalue { i64, i64 } %4, i64 %3, 1
ret { i64, i64 } %5
}