test/MC/AArch64/elf-globaladdress.ll

   1 ;; RUN: llc -mtriple=aarch64-none-linux-gnu -filetype=obj %s -o - | \
   2 ;; RUN:   llvm-readobj -h -r | FileCheck -check-prefix=OBJ %s
   3
   4 ; Also take it on a round-trip through llvm-mc to stretch assembly-parsing's legs:
   5 ;; RUN: llc -mtriple=aarch64-none-linux-gnu %s -o - | \
   6 ;; RUN:     llvm-mc -triple=arm64-none-linux-gnu -filetype=obj -o - | \
   7 ;; RUN:     llvm-readobj -h -r | FileCheck -check-prefix=OBJ %s
   8
   9 @var8 = global i8 0
  10 @var16 = global i16 0
  11 @var32 = global i32 0
  12 @var64 = global i64 0
  13
  14 define void @loadstore() {
  15     %val8 = load i8, i8* @var8
  16     store volatile i8 %val8, i8* @var8
  17
  18     %val16 = load i16, i16* @var16
  19     store volatile i16 %val16, i16* @var16
  20
  21     %val32 = load i32, i32* @var32
  22     store volatile i32 %val32, i32* @var32
  23
  24     %val64 = load i64, i64* @var64
  25     store volatile i64 %val64, i64* @var64
  26
  27     ret void
  28 }
  29
  30 @globaddr = global i64* null
  31
  32 define void @address() {
  33     store i64* @var64, i64** @globaddr
  34     ret void
  35 }
  36
  37 ; Check we're using EM_AARCH64
  38 ; OBJ: ElfHeader {
  39 ; OBJ:   Machine: EM_AARCH64
  40 ; OBJ: }
  41
  42 ; OBJ: Relocations [
  43 ; OBJ:   Section {{.*}} .rela.text {
  44 ; OBJ:     0x{{[0-9,A-F]+}} R_AARCH64_ADR_PREL_PG_HI21   var8
  45 ; OBJ:     0x{{[0-9,A-F]+}} R_AARCH64_LDST8_ABS_LO12_NC  var8
  46 ; OBJ:     0x{{[0-9,A-F]+}} R_AARCH64_ADR_PREL_PG_HI21   var16
  47 ; OBJ:     0x{{[0-9,A-F]+}} R_AARCH64_LDST16_ABS_LO12_NC var16
  48 ; OBJ:     0x{{[0-9,A-F]+}} R_AARCH64_ADR_PREL_PG_HI21   var32
  49 ; OBJ:     0x{{[0-9,A-F]+}} R_AARCH64_LDST32_ABS_LO12_NC var32
  50 ; OBJ:     0x{{[0-9,A-F]+}} R_AARCH64_ADR_PREL_PG_HI21   var64
  51 ; OBJ:     0x{{[0-9,A-F]+}} R_AARCH64_LDST64_ABS_LO12_NC var64
  52
  53 ; This is on the store, so not really important, but it stops the next
  54 ; match working.
  55 ; OBJ:     0x{{[0-9,A-F]+}} R_AARCH64_LDST64_ABS_LO12_NC var64
  56
  57 ; Pure address-calculation against var64
  58 ; OBJ:     0x{{[0-9,A-F]+}} R_AARCH64_ADR_PREL_PG_HI21   var64
  59 ; OBJ:     0x{{[0-9,A-F]+}} R_AARCH64_ADD_ABS_LO12_NC    var64
  60
  61 ; OBJ:   }
  62 ; OBJ: ]