| ; Test loads of symbolic addresses in PIC code. |
| ; |
| ; RUN: llc < %s -mtriple=s390x-linux-gnu -relocation-model=pic | FileCheck %s |
| |
| @ev = external global i32 |
| @dv = global i32 0 |
| @pv = protected global i32 0 |
| @hv = hidden global i32 0 |
| |
| declare void @ef() |
| define void @df() { |
| ret void |
| } |
| define protected void @pf() { |
| ret void |
| } |
| define hidden void @hf() { |
| ret void |
| } |
| |
| ; Test loads of external variables, which must go via the GOT. |
| define ptr@f1() { |
| ; CHECK-LABEL: f1: |
| ; CHECK: lgrl %r2, ev@GOT |
| ; CHECK: br %r14 |
| ret ptr@ev |
| } |
| |
| ; Check loads of locally-defined normal-visibility variables, which might |
| ; be overridden. The load must go via the GOT. |
| define ptr@f2() { |
| ; CHECK-LABEL: f2: |
| ; CHECK: lgrl %r2, dv@GOT |
| ; CHECK: br %r14 |
| ret ptr@dv |
| } |
| |
| ; Check loads of protected variables, which in the small code model |
| ; must be in range of LARL. |
| define ptr@f3() { |
| ; CHECK-LABEL: f3: |
| ; CHECK: larl %r2, pv |
| ; CHECK: br %r14 |
| ret ptr@pv |
| } |
| |
| ; ...likewise hidden variables. |
| define ptr@f4() { |
| ; CHECK-LABEL: f4: |
| ; CHECK: larl %r2, hv |
| ; CHECK: br %r14 |
| ret ptr@hv |
| } |
| |
| ; Like f1, but for functions. |
| define ptr@f5() { |
| ; CHECK-LABEL: f5: |
| ; CHECK: lgrl %r2, ef@GOT |
| ; CHECK: br %r14 |
| ret ptr@ef |
| } |
| |
| ; Like f2, but for functions. |
| define ptr@f6() { |
| ; CHECK-LABEL: f6: |
| ; CHECK: lgrl %r2, df@GOT |
| ; CHECK: br %r14 |
| ret ptr@df |
| } |
| |
| ; Like f3, but for functions. |
| define ptr@f7() { |
| ; CHECK-LABEL: f7: |
| ; CHECK: larl %r2, pf |
| ; CHECK: br %r14 |
| ret ptr@pf |
| } |
| |
| ; Like f4, but for functions. |
| define ptr@f8() { |
| ; CHECK-LABEL: f8: |
| ; CHECK: larl %r2, hf |
| ; CHECK: br %r14 |
| ret ptr@hf |
| } |