1 ; Test loads of symbolic addresses in PIC code. 2 ; 3 ; RUN: llc < %s -mtriple=s390x-linux-gnu -relocation-model=pic | FileCheck %s 4 5 @ev = external global i32 6 @dv = global i32 0 7 @pv = protected global i32 0 8 @hv = hidden global i32 0 9 10 declare void @ef() 11 define void @df() { 12 ret void 13 } 14 define protected void @pf() { 15 ret void 16 } 17 define hidden void @hf() { 18 ret void 19 } 20 21 ; Test loads of external variables, which must go via the GOT. 22 define i32 *@f1() { 23 ; CHECK-LABEL: f1: 24 ; CHECK: lgrl %r2, ev@GOT 25 ; CHECK: br %r14 26 ret i32 *@ev 27 } 28 29 ; Check loads of locally-defined normal-visibility variables, which might 30 ; be overridden. The load must go via the GOT. 31 define i32 *@f2() { 32 ; CHECK-LABEL: f2: 33 ; CHECK: lgrl %r2, dv@GOT 34 ; CHECK: br %r14 35 ret i32 *@dv 36 } 37 38 ; Check loads of protected variables, which in the small code model 39 ; must be in range of LARL. 40 define i32 *@f3() { 41 ; CHECK-LABEL: f3: 42 ; CHECK: larl %r2, pv 43 ; CHECK: br %r14 44 ret i32 *@pv 45 } 46 47 ; ...likewise hidden variables. 48 define i32 *@f4() { 49 ; CHECK-LABEL: f4: 50 ; CHECK: larl %r2, hv 51 ; CHECK: br %r14 52 ret i32 *@hv 53 } 54 55 ; Like f1, but for functions. 56 define void() *@f5() { 57 ; CHECK-LABEL: f5: 58 ; CHECK: lgrl %r2, ef@GOT 59 ; CHECK: br %r14 60 ret void() *@ef 61 } 62 63 ; Like f2, but for functions. 64 define void() *@f6() { 65 ; CHECK-LABEL: f6: 66 ; CHECK: lgrl %r2, df@GOT 67 ; CHECK: br %r14 68 ret void() *@df 69 } 70 71 ; Like f3, but for functions. 72 define void() *@f7() { 73 ; CHECK-LABEL: f7: 74 ; CHECK: larl %r2, pf 75 ; CHECK: br %r14 76 ret void() *@pf 77 } 78 79 ; Like f4, but for functions. 80 define void() *@f8() { 81 ; CHECK-LABEL: f8: 82 ; CHECK: larl %r2, hf 83 ; CHECK: br %r14 84 ret void() *@hf 85 } 86
