1 ; RUN: llc <%s -jump-table-type=single | FileCheck %s 2 target triple = "x86_64-unknown-linux-gnu" 3 define i32 @f() unnamed_addr jumptable { 4 entry: 5 ret i32 0 6 } 7 8 @i = alias internal i32 ()* @f 9 @j = alias i32 ()* @f 10 11 define i32 @main(i32 %argc, i8** %argv) { 12 %temp = alloca i32 ()*, align 8 13 store i32 ()* @i, i32()** %temp, align 8 14 ; CHECK: movq $__llvm_jump_instr_table_0_1 15 %1 = load i32 ()** %temp, align 8 16 ; CHECK: movl $__llvm_jump_instr_table_0_1 17 %2 = call i32 ()* %1() 18 %3 = call i32 ()* @i() 19 ; CHECK: callq i 20 %4 = call i32 ()* @j() 21 ; CHECK: callq j 22 ret i32 %3 23 } 24 25 ; There should only be one table, even though there are two GlobalAliases, 26 ; because they both alias the same value. 27 28 ; CHECK: .globl __llvm_jump_instr_table_0_1 29 ; CHECK: .align 8, 0x90 30 ; CHECK: .type __llvm_jump_instr_table_0_1,@function 31 ; CHECK: __llvm_jump_instr_table_0_1: 32 ; CHECK: jmp f@PLT 33 34
