#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*/ Fail(char *, ...);
scalar_t__ memcmp(char *, char *, scalar_t__);
int sscanf(char *, char *, char *);
scalar_t__ strlen(char *);
void DoStrTest(char *inputstr, char *formatstr, char *checkstr) {
  char buf[256] = {0};
  int ret;
  ret = sscanf(inputstr, formatstr, buf);
  if (ret != 1) {
    Fail("ERROR: Expected sscanf to return 1, got %d.\n"
         "Using \"%s\" in \"%s\".\n",
         ret, inputstr, formatstr);
  }
  if (memcmp(checkstr, buf, strlen(checkstr) + 1) != 0) {
    Fail("ERROR: scanned string incorrectly from \"%s\" using \"%s\".\n"
         "Expected \"%s\", got \"%s\".\n",
         inputstr, formatstr, checkstr, buf);
  }
}


x86 assembly (clang, -O0):
<DoStrTest>:
push   %rbp
mov    %rsp,%rbp
sub    $0x140,%rsp
mov    %rdi,-0x8(%rbp)
mov    %rsi,-0x10(%rbp)
mov    %rdx,-0x18(%rbp)
lea    -0x120(%rbp),%rdi
xor    %esi,%esi
mov    $0x100,%edx
call   1040 <memset@plt>
mov    -0x8(%rbp),%rdi
mov    -0x10(%rbp),%rsi
lea    -0x120(%rbp),%rdx
call   1060 <sscanf@plt>
mov    %eax,-0x124(%rbp)
cmpl   $0x1,-0x124(%rbp)
je     11bd <DoStrTest+0x6d>
mov    -0x124(%rbp),%esi
mov    -0x8(%rbp),%rdx
mov    -0x10(%rbp),%rcx
lea    0xe4a(%rip),%rdi
mov    $0x0,%al
call   1070 <Fail@plt>
mov    -0x18(%rbp),%rax
mov    %rax,-0x138(%rbp)
lea    -0x120(%rbp),%rax
mov    %rax,-0x130(%rbp)
mov    -0x18(%rbp),%rdi
call   1030 <strlen@plt>
mov    -0x138(%rbp),%rdi
mov    -0x130(%rbp),%rsi
mov    %rax,%rdx
add    $0x1,%rdx
call   1050 <memcmp@plt>
cmp    $0x0,%rax
je     1224 <DoStrTest+0xd4>
mov    -0x8(%rbp),%rsi
mov    -0x10(%rbp),%rdx
mov    -0x18(%rbp),%rcx
lea    -0x120(%rbp),%r8
lea    0xe24(%rip),%rdi
mov    $0x0,%al
call   1070 <Fail@plt>
add    $0x140,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<DoStrTest>:
push   %r15
push   %r14
push   %rbx
sub    $0x100,%rsp
mov    %rdx,%rbx
mov    %rsi,%r14
mov    %rdi,%r15
xorps  %xmm0,%xmm0
movaps %xmm0,0xf0(%rsp)
movaps %xmm0,0xe0(%rsp)
movaps %xmm0,0xd0(%rsp)
movaps %xmm0,0xc0(%rsp)
movaps %xmm0,0xb0(%rsp)
movaps %xmm0,0xa0(%rsp)
movaps %xmm0,0x90(%rsp)
movaps %xmm0,0x80(%rsp)
movaps %xmm0,0x70(%rsp)
movaps %xmm0,0x60(%rsp)
movaps %xmm0,0x50(%rsp)
movaps %xmm0,0x40(%rsp)
movaps %xmm0,0x30(%rsp)
movaps %xmm0,0x20(%rsp)
movaps %xmm0,0x10(%rsp)
movaps %xmm0,(%rsp)
mov    %rsp,%rdx
call   1050 <sscanf@plt>
cmp    $0x1,%eax
je     11e2 <DoStrTest+0xa2>
lea    0xe2d(%rip),%rdi
mov    %eax,%esi
mov    %r15,%rdx
mov    %r14,%rcx
xor    %eax,%eax
call   1060 <Fail@plt>
mov    %rbx,%rdi
call   1030 <strlen@plt>
lea    0x1(%rax),%rdx
mov    %rsp,%rsi
mov    %rbx,%rdi
call   1040 <memcmp@plt>
test   %rax,%rax
je     1218 <DoStrTest+0xd8>
lea    0xe3c(%rip),%rdi
mov    %rsp,%r8
mov    %r15,%rsi
mov    %r14,%rdx
mov    %rbx,%rcx
xor    %eax,%eax
call   1060 <Fail@plt>
add    $0x100,%rsp
pop    %rbx
pop    %r14
pop    %r15
ret

LLVM IR (-O0):
@.str = [65 x i8] c"ERROR: Expected sscanf to return 1, got %d.\0AUsing \22%s\22 in \22%s\22.\0A\00"
@.str.1 = [82 x i8] c"ERROR: scanned string incorrectly from \22%s\22 using \22%s\22.\0AExpected \22%s\22, got \22%s\22.\0A\00"
define void @DoStrTest(i8* %0, i8* %1, i8* %2) {
%4 = alloca i8*
%5 = alloca i8*
%6 = alloca i8*
%7 = alloca [256 x i8]
%8 = alloca i32
store i8* %0, i8** %4
store i8* %1, i8** %5
store i8* %2, i8** %6
%9 = bitcast [256 x i8]* %7 to i8*
%10 = load i8*, i8** %4
%11 = load i8*, i8** %5
%12 = getelementptr inbounds [256 x i8], [256 x i8]* %7, i64 0, i64 0
%13 = call i32 @sscanf(i8* %10, i8* %11, i8* %12)
store i32 %13, i32* %8
%14 = load i32, i32* %8
%15 = icmp ne i32 %14, 1
br i1 %15, label %16, label %21
16: ; preds = %3
%17 = load i32, i32* %8
%18 = load i8*, i8** %4
%19 = load i8*, i8** %5
%20 = call i32 (i8*, ...) @Fail(i8* getelementptr inbounds ([65 x i8], [65 x i8]* @.str, i64 0, i64 0), i32 %17, i8* %18, i8* %19)
br label %21
21: ; preds = %16, %3
%22 = load i8*, i8** %6
%23 = getelementptr inbounds [256 x i8], [256 x i8]* %7, i64 0, i64 0
%24 = load i8*, i8** %6
%25 = call i64 @strlen(i8* %24)
%26 = add nsw i64 %25, 1
%27 = call i64 @memcmp(i8* %22, i8* %23, i64 %26)
%28 = icmp ne i64 %27, 0
br i1 %28, label %29, label %35
29: ; preds = %21
%30 = load i8*, i8** %4
%31 = load i8*, i8** %5
%32 = load i8*, i8** %6
%33 = getelementptr inbounds [256 x i8], [256 x i8]* %7, i64 0, i64 0
%34 = call i32 (i8*, ...) @Fail(i8* getelementptr inbounds ([82 x i8], [82 x i8]* @.str.1, i64 0, i64 0), i8* %30, i8* %31, i8* %32, i8* %33)
br label %35
35: ; preds = %29, %21
ret void
}

LLVM IR (-O2):
@.str = [65 x i8] c"ERROR: Expected sscanf to return 1, got %d.\0AUsing \22%s\22 in \22%s\22.\0A\00"
@.str.1 = [82 x i8] c"ERROR: scanned string incorrectly from \22%s\22 using \22%s\22.\0AExpected \22%s\22, got \22%s\22.\0A\00"
define void @DoStrTest(i8* %0, i8* %1, i8* %2) {
%4 = alloca [256 x i8]
%5 = getelementptr inbounds [256 x i8], [256 x i8]* %4, i64 0, i64 0
%6 = call i32 @sscanf(i8* %0, i8* %1, i8* %5)
%7 = icmp eq i32 %6, 1
br i1 %7, label %10, label %8
8: ; preds = %3
%9 = call i32 (i8*, ...) @Fail(i8* getelementptr inbounds ([65 x i8], [65 x i8]* @.str, i64 0, i64 0), i32 %6, i8* %0, i8* %1)
br label %10
10: ; preds = %8, %3
%11 = call i64 @strlen(i8* dereferenceable(1) %2)
%12 = add nsw i64 %11, 1
%13 = call i64 @memcmp(i8* %2, i8* %5, i64 %12)
%14 = icmp eq i64 %13, 0
br i1 %14, label %17, label %15
15: ; preds = %10
%16 = call i32 (i8*, ...) @Fail(i8* getelementptr inbounds ([82 x i8], [82 x i8]* @.str.1, i64 0, i64 0), i8* %0, i8* %1, i8* %2, i8* %5)
br label %17
17: ; preds = %15, %10
ret void
}