#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 *, ...);
void listhistory(char **histbuffer, int histcount) {
  int i;
  printf("History buffer:\n\n");
  for (i = 0; i < histcount; i++) {
    printf("\tCommand, Nr. %d: %s\n", i + 1, histbuffer[i]);
  }
  printf("\n");
}


x86 assembly (clang, -O0):
<listhistory>:
push   %rbp
mov    %rsp,%rbp
sub    $0x10,%rsp
mov    %rdi,-0x8(%rbp)
mov    %esi,-0xc(%rbp)
lea    0xeda(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
movl   $0x0,-0x10(%rbp)
mov    -0x10(%rbp),%eax
cmp    -0xc(%rbp),%eax
jge    116e <listhistory+0x5e>
mov    -0x10(%rbp),%esi
add    $0x1,%esi
mov    -0x8(%rbp),%rax
movslq -0x10(%rbp),%rcx
mov    (%rax,%rcx,8),%rdx
lea    0xeb9(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
mov    -0x10(%rbp),%eax
add    $0x1,%eax
mov    %eax,-0x10(%rbp)
jmp    1134 <listhistory+0x24>
lea    0xe9b(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
add    $0x10,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<listhistory>:
push   %r15
push   %r14
push   %r12
push   %rbx
push   %rax
mov    %esi,%ebx
mov    %rdi,%r15
lea    0xed2(%rip),%rdi
call   1040 <puts@plt>
test   %ebx,%ebx
jle    1179 <listhistory+0x49>
mov    %ebx,%r12d
lea    0xea9(%rip),%r14
xor    %ebx,%ebx
nopl   0x0(%rax)
mov    (%r15,%rbx,8),%rdx
add    $0x1,%rbx
mov    %r14,%rdi
mov    %ebx,%esi
xor    %eax,%eax
call   1050 <printf@plt>
cmp    %rbx,%r12
jne    1160 <listhistory+0x30>
mov    $0xa,%edi
add    $0x8,%rsp
pop    %rbx
pop    %r12
pop    %r14
pop    %r15
jmp    1030 <putchar@plt>

LLVM IR (-O0):
@.str = [18 x i8] c"History buffer:\0A\0A\00"
@.str.1 = [22 x i8] c"\09Command, Nr. %d: %s\0A\00"
@.str.2 = [2 x i8] c"\0A\00"
define void @listhistory(i8** %0, i32 %1) {
%3 = alloca i8**
%4 = alloca i32
%5 = alloca i32
store i8** %0, i8*** %3
store i32 %1, i32* %4
%6 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([18 x i8], [18 x i8]* @.str, i64 0, i64 0))
store i32 0, i32* %5
br label %7
7: ; preds = %20, %2
%8 = load i32, i32* %5
%9 = load i32, i32* %4
%10 = icmp slt i32 %8, %9
br i1 %10, label %11, label %23
11: ; preds = %7
%12 = load i32, i32* %5
%13 = add nsw i32 %12, 1
%14 = load i8**, i8*** %3
%15 = load i32, i32* %5
%16 = sext i32 %15 to i64
%17 = getelementptr inbounds i8*, i8** %14, i64 %16
%18 = load i8*, i8** %17
%19 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([22 x i8], [22 x i8]* @.str.1, i64 0, i64 0), i32 %13, i8* %18)
br label %20
20: ; preds = %11
%21 = load i32, i32* %5
%22 = add nsw i32 %21, 1
store i32 %22, i32* %5
br label %7
23: ; preds = %7
%24 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([2 x i8], [2 x i8]* @.str.2, i64 0, i64 0))
ret void
}

LLVM IR (-O2):
@.str.1 = [22 x i8] c"\09Command, Nr. %d: %s\0A\00"
@str = [17 x i8] c"History buffer:\0A\00"
define void @listhistory(i8** nocapture %0, i32 %1) {
%3 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([17 x i8], [17 x i8]* @str, i64 0, i64 0))
%4 = icmp sgt i32 %1, 0
br i1 %4, label %5, label %15
5: ; preds = %2
%6 = zext i32 %1 to i64
br label %7
7: ; preds = %5, %7
%8 = phi i64 [ 0, %5 ], [ %9, %7 ]
%9 = add nuw nsw i64 %8, 1
%10 = getelementptr inbounds i8*, i8** %0, i64 %8
%11 = load i8*, i8** %10
%12 = trunc i64 %9 to i32
%13 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([22 x i8], [22 x i8]* @.str.1, i64 0, i64 0), i32 %12, i8* %11)
%14 = icmp eq i64 %9, %6
br i1 %14, label %15, label %7
15: ; preds = %7, %2
%16 = tail call i32 @putchar(i32 10)
ret void
}