#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 */
typedef int /*<<< orphan*/ FILE;

/* Variables and functions */
int /*<<< orphan*/ exit(int);
int /*<<< orphan*/ fprintf(int /*<<< orphan*/ *, char *, ...);
int /*<<< orphan*/ printf(char *, char);
void write_bt_info(FILE *fp, char class) {
  int problem_size, niter;
  char *dt;
  if (class == 'S') {
    problem_size = 12;
    dt = "0.010";
    niter = 60;
  } else if (class == 'W') {
    problem_size = 24;
    dt = "0.0008";
    niter = 200;
  } else if (class == 'A') {
    problem_size = 64;
    dt = "0.0008";
    niter = 200;
  } else if (class == 'B') {
    problem_size = 102;
    dt = "0.0003";
    niter = 200;
  } else if (class == 'C') {
    problem_size = 162;
    dt = "0.0001";
    niter = 200;
  } else {
    printf("setparams: Internal error: invalid class %c\n", class);
    exit(1);
  }
  fprintf(fp, "#define\tPROBLEM_SIZE\t%d\n", problem_size);
  fprintf(fp, "#define\tNITER_DEFAULT\t%d\n", niter);
  fprintf(fp, "#define\tDT_DEFAULT\t%s\n", dt);
}


x86 assembly (clang, -O0):
<write_bt_info>:
push   %rbp
mov    %rsp,%rbp
sub    $0x20,%rsp
mov    %sil,%al
mov    %rdi,-0x8(%rbp)
mov    %al,-0x9(%rbp)
movsbl -0x9(%rbp),%eax
cmp    $0x53,%eax
jne    116d <write_bt_info+0x3d>
movl   $0xc,-0x10(%rbp)
lea    0xea3(%rip),%rax
mov    %rax,-0x20(%rbp)
movl   $0x3c,-0x14(%rbp)
jmp    1247 <write_bt_info+0x117>
movsbl -0x9(%rbp),%eax
cmp    $0x57,%eax
jne    1198 <write_bt_info+0x68>
movl   $0x18,-0x10(%rbp)
lea    0xe7e(%rip),%rax
mov    %rax,-0x20(%rbp)
movl   $0xc8,-0x14(%rbp)
jmp    1242 <write_bt_info+0x112>
movsbl -0x9(%rbp),%eax
cmp    $0x41,%eax
jne    11c3 <write_bt_info+0x93>
movl   $0x40,-0x10(%rbp)
lea    0xe53(%rip),%rax
mov    %rax,-0x20(%rbp)
movl   $0xc8,-0x14(%rbp)
jmp    123d <write_bt_info+0x10d>
movsbl -0x9(%rbp),%eax
cmp    $0x42,%eax
jne    11ee <write_bt_info+0xbe>
movl   $0x66,-0x10(%rbp)
lea    0xe2f(%rip),%rax
mov    %rax,-0x20(%rbp)
movl   $0xc8,-0x14(%rbp)
jmp    1238 <write_bt_info+0x108>
movsbl -0x9(%rbp),%eax
cmp    $0x43,%eax
jne    1219 <write_bt_info+0xe9>
movl   $0xa2,-0x10(%rbp)
lea    0xe0b(%rip),%rax
mov    %rax,-0x20(%rbp)
movl   $0xc8,-0x14(%rbp)
jmp    1233 <write_bt_info+0x103>
lea    0xdfb(%rip),%rdi
movsbl -0x9(%rbp),%esi
call   1030 <printf@plt>
mov    $0x1,%edi
call   1050 <exit@plt>
jmp    1238 <write_bt_info+0x108>
jmp    123d <write_bt_info+0x10d>
jmp    1242 <write_bt_info+0x112>
jmp    1247 <write_bt_info+0x117>
mov    -0x8(%rbp),%rdi
mov    -0x10(%rbp),%edx
lea    0xdf3(%rip),%rsi
mov    $0x0,%al
call   1040 <fprintf@plt>
mov    -0x8(%rbp),%rdi
mov    -0x14(%rbp),%edx
lea    0xdf7(%rip),%rsi
mov    $0x0,%al
call   1040 <fprintf@plt>
mov    -0x8(%rbp),%rdi
mov    -0x20(%rbp),%rdx
lea    0xdfb(%rip),%rsi
mov    $0x0,%al
call   1040 <fprintf@plt>
add    $0x20,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<write_bt_info>:
push   %rbp
push   %r14
push   %rbx
lea    -0x41(%rsi),%eax
cmp    $0x16,%al
ja     11ec <write_bt_info+0xbc>
mov    %rdi,%rbx
lea    0xf13(%rip),%r14
mov    $0x3c,%ebp
mov    $0xc,%edx
movzbl %al,%eax
lea    0xea3(%rip),%rcx
movslq (%rcx,%rax,4),%rax
add    %rcx,%rax
jmp    *%rax
lea    0xef5(%rip),%r14
mov    $0xc8,%ebp
mov    $0x40,%edx
jmp    11b0 <write_bt_info+0x80>
lea    0xee9(%rip),%r14
mov    $0xc8,%ebp
mov    $0x66,%edx
jmp    11b0 <write_bt_info+0x80>
lea    0xedd(%rip),%r14
mov    $0xc8,%ebp
mov    $0xa2,%edx
jmp    11b0 <write_bt_info+0x80>
lea    0xebc(%rip),%r14
mov    $0xc8,%ebp
mov    $0x18,%edx
lea    0xeed(%rip),%rsi
mov    %rbx,%rdi
xor    %eax,%eax
call   1040 <fprintf@plt>
lea    0xef5(%rip),%rsi
mov    %rbx,%rdi
mov    %ebp,%edx
xor    %eax,%eax
call   1040 <fprintf@plt>
lea    0xefc(%rip),%rsi
mov    %rbx,%rdi
mov    %r14,%rdx
xor    %eax,%eax
pop    %rbx
pop    %r14
pop    %rbp
jmp    1040 <fprintf@plt>
movsbl %sil,%esi
lea    0xe80(%rip),%rdi
call   1030 <printf@plt>
mov    $0x1,%edi
call   1050 <exit@plt>

LLVM IR (-O0):
@.str = [6 x i8] c"0.010\00"
@.str.1 = [7 x i8] c"0.0008\00"
@.str.2 = [7 x i8] c"0.0003\00"
@.str.3 = [7 x i8] c"0.0001\00"
@.str.4 = [45 x i8] c"setparams: Internal error: invalid class %c\0A\00"
@.str.5 = [25 x i8] c"#define\09PROBLEM_SIZE\09%d\0A\00"
@.str.6 = [26 x i8] c"#define\09NITER_DEFAULT\09%d\0A\00"
@.str.7 = [23 x i8] c"#define\09DT_DEFAULT\09%s\0A\00"
define void @write_bt_info(i32* %0, i8 signext %1) {
%3 = alloca i32*
%4 = alloca i8
%5 = alloca i32
%6 = alloca i32
%7 = alloca i8*
store i32* %0, i32** %3
store i8 %1, i8* %4
%8 = load i8, i8* %4
%9 = sext i8 %8 to i32
%10 = icmp eq i32 %9, 83
br i1 %10, label %11, label %12
11: ; preds = %2
store i32 12, i32* %5
store i8* getelementptr inbounds ([6 x i8], [6 x i8]* @.str, i64 0, i64 0), i8** %7
store i32 60, i32* %6
br label %40
12: ; preds = %2
%13 = load i8, i8* %4
%14 = sext i8 %13 to i32
%15 = icmp eq i32 %14, 87
br i1 %15, label %16, label %17
16: ; preds = %12
store i32 24, i32* %5
store i8* getelementptr inbounds ([7 x i8], [7 x i8]* @.str.1, i64 0, i64 0), i8** %7
store i32 200, i32* %6
br label %39
17: ; preds = %12
%18 = load i8, i8* %4
%19 = sext i8 %18 to i32
%20 = icmp eq i32 %19, 65
br i1 %20, label %21, label %22
21: ; preds = %17
store i32 64, i32* %5
store i8* getelementptr inbounds ([7 x i8], [7 x i8]* @.str.1, i64 0, i64 0), i8** %7
store i32 200, i32* %6
br label %38
22: ; preds = %17
%23 = load i8, i8* %4
%24 = sext i8 %23 to i32
%25 = icmp eq i32 %24, 66
br i1 %25, label %26, label %27
26: ; preds = %22
store i32 102, i32* %5
store i8* getelementptr inbounds ([7 x i8], [7 x i8]* @.str.2, i64 0, i64 0), i8** %7
store i32 200, i32* %6
br label %37
27: ; preds = %22
%28 = load i8, i8* %4
%29 = sext i8 %28 to i32
%30 = icmp eq i32 %29, 67
br i1 %30, label %31, label %32
31: ; preds = %27
store i32 162, i32* %5
store i8* getelementptr inbounds ([7 x i8], [7 x i8]* @.str.3, i64 0, i64 0), i8** %7
store i32 200, i32* %6
br label %36
32: ; preds = %27
%33 = load i8, i8* %4
%34 = call i32 @printf(i8* getelementptr inbounds ([45 x i8], [45 x i8]* @.str.4, i64 0, i64 0), i8 signext %33)
%35 = call i32 @exit(i32 1)
unreachable
36: ; preds = %31
br label %37
37: ; preds = %36, %26
br label %38
38: ; preds = %37, %21
br label %39
39: ; preds = %38, %16
br label %40
40: ; preds = %39, %11
%41 = load i32*, i32** %3
%42 = load i32, i32* %5
%43 = call i32 (i32*, i8*, ...) @fprintf(i32* %41, i8* getelementptr inbounds ([25 x i8], [25 x i8]* @.str.5, i64 0, i64 0), i32 %42)
%44 = load i32*, i32** %3
%45 = load i32, i32* %6
%46 = call i32 (i32*, i8*, ...) @fprintf(i32* %44, i8* getelementptr inbounds ([26 x i8], [26 x i8]* @.str.6, i64 0, i64 0), i32 %45)
%47 = load i32*, i32** %3
%48 = load i8*, i8** %7
%49 = call i32 (i32*, i8*, ...) @fprintf(i32* %47, i8* getelementptr inbounds ([23 x i8], [23 x i8]* @.str.7, i64 0, i64 0), i8* %48)
ret void
}

LLVM IR (-O2):
@.str = [6 x i8] c"0.010\00"
@.str.1 = [7 x i8] c"0.0008\00"
@.str.2 = [7 x i8] c"0.0003\00"
@.str.3 = [7 x i8] c"0.0001\00"
@.str.4 = [45 x i8] c"setparams: Internal error: invalid class %c\0A\00"
@.str.5 = [25 x i8] c"#define\09PROBLEM_SIZE\09%d\0A\00"
@.str.6 = [26 x i8] c"#define\09NITER_DEFAULT\09%d\0A\00"
@.str.7 = [23 x i8] c"#define\09DT_DEFAULT\09%s\0A\00"
define void @write_bt_info(i32* nocapture %0, i8 signext %1) {
switch i8 %1, label %7 [
i8 83, label %10
i8 87, label %3
i8 65, label %4
i8 66, label %5
i8 67, label %6
]
3: ; preds = %2
br label %10
4: ; preds = %2
br label %10
5: ; preds = %2
br label %10
6: ; preds = %2
br label %10
7: ; preds = %2
%8 = tail call i32 @printf(i8* getelementptr inbounds ([45 x i8], [45 x i8]* @.str.4, i64 0, i64 0), i8 signext %1)
%9 = tail call i32 @exit(i32 1)
unreachable
10: ; preds = %2, %3, %5, %6, %4
%11 = phi i32 [ 24, %3 ], [ 64, %4 ], [ 102, %5 ], [ 162, %6 ], [ 12, %2 ]
%12 = phi i32 [ 200, %3 ], [ 200, %4 ], [ 200, %5 ], [ 200, %6 ], [ 60, %2 ]
%13 = phi i8* [ getelementptr inbounds ([7 x i8], [7 x i8]* @.str.1, i64 0, i64 0), %3 ], [ getelementptr inbounds ([7 x i8], [7 x i8]* @.str.1, i64 0, i64 0), %4 ], [ getelementptr inbounds ([7 x i8], [7 x i8]* @.str.2, i64 0, i64 0), %5 ], [ getelementptr inbounds ([7 x i8], [7 x i8]* @.str.3, i64 0, i64 0), %6 ], [ getelementptr inbounds ([6 x i8], [6 x i8]* @.str, i64 0, i64 0), %2 ]
%14 = tail call i32 (i32*, i8*, ...) @fprintf(i32* %0, i8* getelementptr inbounds ([25 x i8], [25 x i8]* @.str.5, i64 0, i64 0), i32 %11)
%15 = tail call i32 (i32*, i8*, ...) @fprintf(i32* %0, i8* getelementptr inbounds ([26 x i8], [26 x i8]* @.str.6, i64 0, i64 0), i32 %12)
%16 = tail call i32 (i32*, i8*, ...) @fprintf(i32* %0, i8* getelementptr inbounds ([23 x i8], [23 x i8]* @.str.7, i64 0, i64 0), i8* %13)
ret void
}