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; RUN: llc -mtriple=aarch64-none-linux-gnu -verify-machineinstrs -relocation-model=pic %s -o - | FileCheck %s
; RUN: llc -mtriple=aarch64-none-linux-gnu -verify-machineinstrs -relocation-model=pic -filetype=obj %s -o -| llvm-objdump -r - | FileCheck --check-prefix=CHECK-ELF %s
@var = global i32 0
; CHECK-ELF: RELOCATION RECORDS FOR [.text]
define i32 @get_globalvar() {
; CHECK: get_globalvar:
%val = load i32* @var
; CHECK: adrp x[[GOTHI:[0-9]+]], :got:var
; CHECK: ldr x[[GOTLOC:[0-9]+]], [x[[GOTHI]], #:got_lo12:var]
; CHECK: ldr w0, [x[[GOTLOC]]]
; CHECK-ELF: R_AARCH64_ADR_GOT_PAGE var
; CHECK-ELF: R_AARCH64_LD64_GOT_LO12_NC var
ret i32 %val
}
define i32* @get_globalvaraddr() {
; CHECK: get_globalvaraddr:
%val = load i32* @var
; CHECK: adrp x[[GOTHI:[0-9]+]], :got:var
; CHECK: ldr x0, [x[[GOTHI]], #:got_lo12:var]
; CHECK-ELF: R_AARCH64_ADR_GOT_PAGE var
; CHECK-ELF: R_AARCH64_LD64_GOT_LO12_NC var
ret i32* @var
}
@hiddenvar = hidden global i32 0
define i32 @get_hiddenvar() {
; CHECK: get_hiddenvar:
%val = load i32* @hiddenvar
; CHECK: adrp x[[HI:[0-9]+]], hiddenvar
; CHECK: ldr w0, [x[[HI]], #:lo12:hiddenvar]
; CHECK-ELF: R_AARCH64_ADR_PREL_PG_HI21 hiddenvar
; CHECK-ELF: R_AARCH64_LDST32_ABS_LO12_NC hiddenvar
ret i32 %val
}
define i32* @get_hiddenvaraddr() {
; CHECK: get_hiddenvaraddr:
%val = load i32* @hiddenvar
; CHECK: adrp [[HI:x[0-9]+]], hiddenvar
; CHECK: add x0, [[HI]], #:lo12:hiddenvar
; CHECK-ELF: R_AARCH64_ADR_PREL_PG_HI21 hiddenvar
; CHECK-ELF: R_AARCH64_ADD_ABS_LO12_NC hiddenvar
ret i32* @hiddenvar
}
define void()* @get_func() {
; CHECK: get_func:
ret void()* bitcast(void()*()* @get_func to void()*)
; CHECK: adrp x[[GOTHI:[0-9]+]], :got:get_func
; CHECK: ldr x0, [x[[GOTHI]], #:got_lo12:get_func]
; Particularly important that the ADRP gets a relocation, LLVM tends to think
; it can relax it because it knows where get_func is. It can't!
; CHECK-ELF: R_AARCH64_ADR_GOT_PAGE get_func
; CHECK-ELF: R_AARCH64_LD64_GOT_LO12_NC get_func
}
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