blob: f3691fda221e138536aff1ca2468eaf17f979911 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
|
; RUN: llc <%s -jump-table-type=single | FileCheck %s
target triple = "x86_64-unknown-linux-gnu"
define i32 @f() unnamed_addr jumptable {
entry:
ret i32 0
}
@i = alias internal i32 ()* @f
@j = alias i32 ()* @f
define i32 @main(i32 %argc, i8** %argv) {
%temp = alloca i32 ()*, align 8
store i32 ()* @i, i32()** %temp, align 8
; CHECK: movq $__llvm_jump_instr_table_0_1
%1 = load i32 ()** %temp, align 8
; CHECK: movl $__llvm_jump_instr_table_0_1
%2 = call i32 ()* %1()
%3 = call i32 ()* @i()
; CHECK: callq i
%4 = call i32 ()* @j()
; CHECK: callq j
ret i32 %3
}
; There should only be one table, even though there are two GlobalAliases,
; because they both alias the same value.
; CHECK: .globl __llvm_jump_instr_table_0_1
; CHECK: .align 8, 0x90
; CHECK: .type __llvm_jump_instr_table_0_1,@function
; CHECK: __llvm_jump_instr_table_0_1:
; CHECK: jmp f@PLT
|
