86 lines
1.6 KiB
LLVM
86 lines
1.6 KiB
LLVM
; 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 i32 *@f1() {
|
|
; CHECK-LABEL: f1:
|
|
; CHECK: lgrl %r2, ev@GOT
|
|
; CHECK: br %r14
|
|
ret i32 *@ev
|
|
}
|
|
|
|
; Check loads of locally-defined normal-visibility variables, which might
|
|
; be overridden. The load must go via the GOT.
|
|
define i32 *@f2() {
|
|
; CHECK-LABEL: f2:
|
|
; CHECK: lgrl %r2, dv@GOT
|
|
; CHECK: br %r14
|
|
ret i32 *@dv
|
|
}
|
|
|
|
; Check loads of protected variables, which in the small code model
|
|
; must be in range of LARL.
|
|
define i32 *@f3() {
|
|
; CHECK-LABEL: f3:
|
|
; CHECK: larl %r2, pv
|
|
; CHECK: br %r14
|
|
ret i32 *@pv
|
|
}
|
|
|
|
; ...likewise hidden variables.
|
|
define i32 *@f4() {
|
|
; CHECK-LABEL: f4:
|
|
; CHECK: larl %r2, hv
|
|
; CHECK: br %r14
|
|
ret i32 *@hv
|
|
}
|
|
|
|
; Like f1, but for functions.
|
|
define void() *@f5() {
|
|
; CHECK-LABEL: f5:
|
|
; CHECK: lgrl %r2, ef@GOT
|
|
; CHECK: br %r14
|
|
ret void() *@ef
|
|
}
|
|
|
|
; Like f2, but for functions.
|
|
define void() *@f6() {
|
|
; CHECK-LABEL: f6:
|
|
; CHECK: lgrl %r2, df@GOT
|
|
; CHECK: br %r14
|
|
ret void() *@df
|
|
}
|
|
|
|
; Like f3, but for functions.
|
|
define void() *@f7() {
|
|
; CHECK-LABEL: f7:
|
|
; CHECK: larl %r2, pf
|
|
; CHECK: br %r14
|
|
ret void() *@pf
|
|
}
|
|
|
|
; Like f4, but for functions.
|
|
define void() *@f8() {
|
|
; CHECK-LABEL: f8:
|
|
; CHECK: larl %r2, hf
|
|
; CHECK: br %r14
|
|
ret void() *@hf
|
|
}
|