#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*/ puts(char *);
void TestIndirectJump(int Arg) {
  switch (Arg) {
  case 2:
    puts("Prime 1");
    break;
  case 3:
    puts("Prime 2");
    break;
  case 5:
    puts("Prime 3");
    break;
  case 7:
    puts("Prime 4");
    break;
  case 11:
    puts("Prime 5");
    break;
  }
}


x86 assembly (clang, -O0):
<TestIndirectJump>:
push   %rbp
mov    %rsp,%rbp
sub    $0x10,%rsp
mov    %edi,-0x4(%rbp)
mov    -0x4(%rbp),%eax
add    $0xfffffffe,%eax
mov    %eax,%ecx
mov    %rcx,-0x10(%rbp)
sub    $0x9,%eax
ja     1194 <TestIndirectJump+0x84>
mov    -0x10(%rbp),%rax
lea    0xec5(%rip),%rcx
movslq (%rcx,%rax,4),%rax
add    %rcx,%rax
jmp    *%rax
lea    0xedd(%rip),%rdi
call   1030 <puts@plt>
jmp    1194 <TestIndirectJump+0x84>
lea    0xed4(%rip),%rdi
call   1030 <puts@plt>
jmp    1194 <TestIndirectJump+0x84>
lea    0xecb(%rip),%rdi
call   1030 <puts@plt>
jmp    1194 <TestIndirectJump+0x84>
lea    0xec2(%rip),%rdi
call   1030 <puts@plt>
jmp    1194 <TestIndirectJump+0x84>
lea    0xeb9(%rip),%rdi
call   1030 <puts@plt>
add    $0x10,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<TestIndirectJump>:
add    $0xfffffffe,%edi
cmp    $0x9,%edi
ja     1122 <TestIndirectJump+0x12>
mov    $0x22b,%eax
bt     %edi,%eax
jb     1123 <TestIndirectJump+0x13>
ret
movslq %edi,%rax
lea    0xefb(%rip),%rcx
movslq (%rcx,%rax,4),%rdi
add    %rcx,%rdi
jmp    1030 <puts@plt>

LLVM IR (-O0):
@.str = [8 x i8] c"Prime 1\00"
@.str.1 = [8 x i8] c"Prime 2\00"
@.str.2 = [8 x i8] c"Prime 3\00"
@.str.3 = [8 x i8] c"Prime 4\00"
@.str.4 = [8 x i8] c"Prime 5\00"
define void @TestIndirectJump(i32 %0) {
%2 = alloca i32
store i32 %0, i32* %2
%3 = load i32, i32* %2
switch i32 %3, label %14 [
i32 2, label %4
i32 3, label %6
i32 5, label %8
i32 7, label %10
i32 11, label %12
]
4: ; preds = %1
%5 = call i32 @puts(i8* getelementptr inbounds ([8 x i8], [8 x i8]* @.str, i64 0, i64 0))
br label %14
6: ; preds = %1
%7 = call i32 @puts(i8* getelementptr inbounds ([8 x i8], [8 x i8]* @.str.1, i64 0, i64 0))
br label %14
8: ; preds = %1
%9 = call i32 @puts(i8* getelementptr inbounds ([8 x i8], [8 x i8]* @.str.2, i64 0, i64 0))
br label %14
10: ; preds = %1
%11 = call i32 @puts(i8* getelementptr inbounds ([8 x i8], [8 x i8]* @.str.3, i64 0, i64 0))
br label %14
12: ; preds = %1
%13 = call i32 @puts(i8* getelementptr inbounds ([8 x i8], [8 x i8]* @.str.4, i64 0, i64 0))
br label %14
14: ; preds = %1, %12, %10, %8, %6, %4
ret void
}

LLVM IR (-O2):
@.str = [8 x i8] c"Prime 1\00"
@.str.1 = [8 x i8] c"Prime 2\00"
@.str.2 = [8 x i8] c"Prime 3\00"
@.str.3 = [8 x i8] c"Prime 4\00"
@.str.4 = [8 x i8] c"Prime 5\00"
@reltable.TestIndirectJump = [10 x i32] [i32 trunc (i64 sub (i64 ptrtoint ([8 x i8]* @.str to i64), i64 ptrtoint ([10 x i32]* @reltable.TestIndirectJump to i64)) to i32), i32 trunc (i64 sub (i64 ptrtoint ([8 x i8]* @.str.1 to i64), i64 ptrtoint ([10 x i32]* @reltable.TestIndirectJump to i64)) to i32), i32 trunc (i64 sub (i64 ptrtoint ([8 x i8]* @.str to i64), i64 ptrtoint ([10 x i32]* @reltable.TestIndirectJump to i64)) to i32), i32 trunc (i64 sub (i64 ptrtoint ([8 x i8]* @.str.2 to i64), i64 ptrtoint ([10 x i32]* @reltable.TestIndirectJump to i64)) to i32), i32 trunc (i64 sub (i64 ptrtoint ([8 x i8]* @.str to i64), i64 ptrtoint ([10 x i32]* @reltable.TestIndirectJump to i64)) to i32), i32 trunc (i64 sub (i64 ptrtoint ([8 x i8]* @.str.3 to i64), i64 ptrtoint ([10 x i32]* @reltable.TestIndirectJump to i64)) to i32), i32 trunc (i64 sub (i64 ptrtoint ([8 x i8]* @.str to i64), i64 ptrtoint ([10 x i32]* @reltable.TestIndirectJump to i64)) to i32), i32 trunc (i64 sub (i64 ptrtoint ([8 x i8]* @.str to i64), i64 ptrtoint ([10 x i32]* @reltable.TestIndirectJump to i64)) to i32), i32 trunc (i64 sub (i64 ptrtoint ([8 x i8]* @.str to i64), i64 ptrtoint ([10 x i32]* @reltable.TestIndirectJump to i64)) to i32), i32 trunc (i64 sub (i64 ptrtoint ([8 x i8]* @.str.4 to i64), i64 ptrtoint ([10 x i32]* @reltable.TestIndirectJump to i64)) to i32)]
define void @TestIndirectJump(i32 %0) {
%2 = add i32 %0, -2
%3 = icmp ult i32 %2, 10
br i1 %3, label %4, label %14
4: ; preds = %1
%5 = trunc i32 %2 to i16
%6 = lshr i16 555, %5
%7 = and i16 %6, 1
%8 = icmp eq i16 %7, 0
br i1 %8, label %14, label %9
9: ; preds = %4
%10 = sext i32 %2 to i64
%11 = shl i64 %10, 2
%12 = call i8* @llvm.load.relative.i64(i8* bitcast ([10 x i32]* @reltable.TestIndirectJump to i8*), i64 %11)
%13 = tail call i32 @puts(i8* dereferenceable(1) %12)
br label %14
14: ; preds = %4, %1, %9
ret void
}