#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 strlen(char *);
void StripFilename(char *path) {
  int length;
  length = strlen(path) - 1;
  while (length > 0 && path[length] != '/')
    length--;
  path[length] = 0;
}


x86 assembly (clang, -O0):
<StripFilename>:
push   %rbp
mov    %rsp,%rbp
sub    $0x10,%rsp
mov    %rdi,-0x8(%rbp)
mov    -0x8(%rbp),%rdi
call   1030 <strlen@plt>
sub    $0x1,%eax
mov    %eax,-0xc(%rbp)
xor    %eax,%eax
cmpl   $0x0,-0xc(%rbp)
mov    %al,-0xd(%rbp)
jle    114f <StripFilename+0x3f>
mov    -0x8(%rbp),%rax
movslq -0xc(%rbp),%rcx
movsbl (%rax,%rcx,1),%eax
cmp    $0x2f,%eax
setne  %al
mov    %al,-0xd(%rbp)
mov    -0xd(%rbp),%al
test   $0x1,%al
jne    115f <StripFilename+0x4f>
jmp    116d <StripFilename+0x5d>
mov    -0xc(%rbp),%eax
add    $0xffffffff,%eax
mov    %eax,-0xc(%rbp)
jmp    112b <StripFilename+0x1b>
mov    -0x8(%rbp),%rax
movslq -0xc(%rbp),%rcx
movb   $0x0,(%rax,%rcx,1)
add    $0x10,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<StripFilename>:
push   %rbx
mov    %rdi,%rbx
call   1030 <strlen@plt>
mov    %eax,%edx
test   %eax,%eax
mov    $0x1,%ecx
cmovle %eax,%ecx
add    $0xffffffff,%ecx
nopl   0x0(%rax,%rax,1)
cmp    $0x2,%edx
jl     1143 <StripFilename+0x33>
add    $0xffffffffffffffff,%rdx
mov    %edx,%eax
cmpb   $0x2f,(%rbx,%rax,1)
jne    1130 <StripFilename+0x20>
mov    %edx,%ecx
movslq %ecx,%rax
movb   $0x0,(%rbx,%rax,1)
pop    %rbx
ret

LLVM IR (-O0):
define void @StripFilename(i8* %0) {
%2 = alloca i8*
%3 = alloca i32
store i8* %0, i8** %2
%4 = load i8*, i8** %2
%5 = call i32 @strlen(i8* %4)
%6 = sub nsw i32 %5, 1
store i32 %6, i32* %3
br label %7
7: ; preds = %20, %1
%8 = load i32, i32* %3
%9 = icmp sgt i32 %8, 0
br i1 %9, label %10, label %18
10: ; preds = %7
%11 = load i8*, i8** %2
%12 = load i32, i32* %3
%13 = sext i32 %12 to i64
%14 = getelementptr inbounds i8, i8* %11, i64 %13
%15 = load i8, i8* %14
%16 = sext i8 %15 to i32
%17 = icmp ne i32 %16, 47
br label %18
18: ; preds = %10, %7
%19 = phi i1 [ false, %7 ], [ %17, %10 ]
br i1 %19, label %20, label %23
20: ; preds = %18
%21 = load i32, i32* %3
%22 = add nsw i32 %21, -1
store i32 %22, i32* %3
br label %7
23: ; preds = %18
%24 = load i8*, i8** %2
%25 = load i32, i32* %3
%26 = sext i32 %25 to i64
%27 = getelementptr inbounds i8, i8* %24, i64 %26
store i8 0, i8* %27
ret void
}

LLVM IR (-O2):
define void @StripFilename(i8* %0) {
%2 = tail call i32 @strlen(i8* %0)
%3 = zext i32 %2 to i64
%4 = call i32 @llvm.smin.i32(i32 %2, i32 1)
%5 = add i32 %4, -1
br label %6
6: ; preds = %11, %1
%7 = phi i64 [ %8, %11 ], [ %3, %1 ]
%8 = add nsw i64 %7, -1
%9 = trunc i64 %7 to i32
%10 = icmp sgt i32 %9, 1
br i1 %10, label %11, label %18
11: ; preds = %6
%12 = and i64 %8, 4294967295
%13 = getelementptr inbounds i8, i8* %0, i64 %12
%14 = load i8, i8* %13
%15 = icmp eq i8 %14, 47
br i1 %15, label %16, label %6
16: ; preds = %11
%17 = trunc i64 %8 to i32
br label %18
18: ; preds = %6, %16
%19 = phi i32 [ %17, %16 ], [ %5, %6 ]
%20 = sext i32 %19 to i64
%21 = getelementptr inbounds i8, i8* %0, i64 %20
store i8 0, i8* %21
ret void
}