#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 *, char *);
void replaceAll(char *str, char s, char d) {
  int i = 0;
  while (str[i] != '\0') {
    if (str[i] == s) {
      str[i] = d;
    }
    i++;
  }
  printf("%s\n", str);
}


x86 assembly (clang, -O0):
<replaceAll>:
push   %rbp
mov    %rsp,%rbp
sub    $0x10,%rsp
mov    %dl,%al
mov    %sil,%cl
mov    %rdi,-0x8(%rbp)
mov    %cl,-0x9(%rbp)
mov    %al,-0xa(%rbp)
movl   $0x0,-0x10(%rbp)
mov    -0x8(%rbp),%rax
movslq -0x10(%rbp),%rcx
movsbl (%rax,%rcx,1),%eax
cmp    $0x0,%eax
je     1177 <replaceAll+0x67>
mov    -0x8(%rbp),%rax
movslq -0x10(%rbp),%rcx
movsbl (%rax,%rcx,1),%eax
movsbl -0x9(%rbp),%ecx
cmp    %ecx,%eax
jne    1169 <replaceAll+0x59>
mov    -0xa(%rbp),%dl
mov    -0x8(%rbp),%rax
movslq -0x10(%rbp),%rcx
mov    %dl,(%rax,%rcx,1)
mov    -0x10(%rbp),%eax
add    $0x1,%eax
mov    %eax,-0x10(%rbp)
jmp    112e <replaceAll+0x1e>
mov    -0x8(%rbp),%rsi
lea    0xe7e(%rip),%rdi
call   1030 <printf@plt>
add    $0x10,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<replaceAll>:
mov    %rdi,%rax
mov    (%rdi),%cl
test   %cl,%cl
je     1135 <replaceAll+0x25>
lea    0x1(%rax),%rdi
jmp    112b <replaceAll+0x1b>
nop
movzbl (%rdi),%ecx
add    $0x1,%rdi
test   %cl,%cl
je     1135 <replaceAll+0x25>
cmp    %sil,%cl
jne    1120 <replaceAll+0x10>
mov    %dl,-0x1(%rdi)
jmp    1120 <replaceAll+0x10>
lea    0xec4(%rip),%rdi
mov    %rax,%rsi
jmp    1030 <printf@plt>

LLVM IR (-O0):
@.str = [4 x i8] c"%s\0A\00"
define void @replaceAll(i8* %0, i8 signext %1, i8 signext %2) {
%4 = alloca i8*
%5 = alloca i8
%6 = alloca i8
%7 = alloca i32
store i8* %0, i8** %4
store i8 %1, i8* %5
store i8 %2, i8* %6
store i32 0, i32* %7
br label %8
8: ; preds = %32, %3
%9 = load i8*, i8** %4
%10 = load i32, i32* %7
%11 = sext i32 %10 to i64
%12 = getelementptr inbounds i8, i8* %9, i64 %11
%13 = load i8, i8* %12
%14 = sext i8 %13 to i32
%15 = icmp ne i32 %14, 0
br i1 %15, label %16, label %35
16: ; preds = %8
%17 = load i8*, i8** %4
%18 = load i32, i32* %7
%19 = sext i32 %18 to i64
%20 = getelementptr inbounds i8, i8* %17, i64 %19
%21 = load i8, i8* %20
%22 = sext i8 %21 to i32
%23 = load i8, i8* %5
%24 = sext i8 %23 to i32
%25 = icmp eq i32 %22, %24
br i1 %25, label %26, label %32
26: ; preds = %16
%27 = load i8, i8* %6
%28 = load i8*, i8** %4
%29 = load i32, i32* %7
%30 = sext i32 %29 to i64
%31 = getelementptr inbounds i8, i8* %28, i64 %30
store i8 %27, i8* %31
br label %32
32: ; preds = %26, %16
%33 = load i32, i32* %7
%34 = add nsw i32 %33, 1
store i32 %34, i32* %7
br label %8
35: ; preds = %8
%36 = load i8*, i8** %4
%37 = call i32 @printf(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str, i64 0, i64 0), i8* %36)
ret void
}

LLVM IR (-O2):
@.str = [4 x i8] c"%s\0A\00"
define void @replaceAll(i8* %0, i8 signext %1, i8 signext %2) {
%4 = load i8, i8* %0
%5 = icmp eq i8 %4, 0
br i1 %5, label %17, label %6
6: ; preds = %3, %12
%7 = phi i64 [ %13, %12 ], [ 0, %3 ]
%8 = phi i8 [ %15, %12 ], [ %4, %3 ]
%9 = phi i8* [ %14, %12 ], [ %0, %3 ]
%10 = icmp eq i8 %8, %1
br i1 %10, label %11, label %12
11: ; preds = %6
store i8 %2, i8* %9
br label %12
12: ; preds = %11, %6
%13 = add nuw i64 %7, 1
%14 = getelementptr inbounds i8, i8* %0, i64 %13
%15 = load i8, i8* %14
%16 = icmp eq i8 %15, 0
br i1 %16, label %17, label %6
17: ; preds = %12, %3
%18 = tail call i32 @printf(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str, i64 0, i64 0), i8* %0)
ret void
}