1 ; RUN: llc < %s -emulated-tls -march=x86 -relocation-model=pic -mtriple=i686-unknown-linux-gnu -fast-isel | FileCheck %s 2 ; PR3654 3 4 @v = thread_local global i32 0 5 define i32 @f() nounwind { 6 entry: 7 %t = load i32, i32* @v 8 %s = add i32 %t, 1 9 ret i32 %s 10 } 11 12 ; CHECK-LABEL: f: 13 ; CHECK: movl __emutls_v.v@GOT(%ebx), %eax 14 ; CHECK-NEXT: movl %eax, (%esp) 15 ; CHECK-NEXT: calll __emutls_get_address@PLT 16 ; CHECK-NEXT: movl (%eax), %eax 17 18 @alias = internal alias i32, i32* @v 19 define i32 @f_alias() nounwind { 20 entry: 21 %t = load i32, i32* @v 22 %s = add i32 %t, 1 23 ret i32 %s 24 } 25 26 ; CHECK-LABEL: f_alias: 27 ; CHECK: movl __emutls_v.v@GOT(%ebx), %eax 28 ; CHECK-NEXT: movl %eax, (%esp) 29 ; CHECK-NEXT: calll __emutls_get_address@PLT 30 ; CHECK-NEXT: movl (%eax), %eax 31 32 ; Use my_emutls_get_address like __emutls_get_address. 33 @my_emutls_v_xyz = external global i8*, align 4 34 declare i8* @my_emutls_get_address(i8*) 35 36 define i32 @my_get_xyz() { 37 entry: 38 %call = call i8* @my_emutls_get_address(i8* bitcast (i8** @my_emutls_v_xyz to i8*)) 39 %0 = bitcast i8* %call to i32* 40 %1 = load i32, i32* %0, align 4 41 ret i32 %1 42 } 43 44 ; CHECK-LABEL: my_get_xyz: 45 ; CHECK: movl my_emutls_v_xyz@GOT(%ebx), %eax 46 ; CHECK-NEXT: movl %eax, (%esp) 47 ; CHECK-NEXT: calll my_emutls_get_address@PLT 48 ; CHECK-NEXT: movl (%eax), %eax 49
