lld/test/ELF/avr-thunk-ldi-gs.s

   1 ; REQUIRES: avr
   2 ; RUN: llvm-mc -filetype=obj -triple=avr -mcpu=atmega2560 %s -o %t.o
   3 ; RUN: ld.lld %t.o --defsym=a=0x1fffe --defsym=b=0x20000 -o %t
   4 ; RUN: llvm-objdump -d --print-imm-hex --no-show-raw-insn --mcpu=atmega2560 %t \
   5 ; RUN:     | FileCheck %s
   6
   7 .section .LDI,"ax",@progbits
   8
   9 ;; CHECK-LABEL: <__AVRThunk_b>:
  10 ;; CHECK-NEXT:  110b4: jmp  0x20000
  11 ;; CHECK-LABEL: <__init>:
  12 ;; CHECK-NEXT:  110b8:  ldi r30, 0xff
  13 ;; CHECK-NEXT:  110ba:  ldi r31, 0xff
  14 ;; CHECK-NEXT:  110bc:  eicall
  15 ;; The destination of the following two LDI instructions is
  16 ;; __AVRThunk_b == 0x110b4, so they actually are
  17 ;;                      ldi r30, ((0x110b4) >> 1) & 0xff
  18 ;;                      ldi r31, ((0x110b4) >> 9)
  19 ;; CHECK-NEXT:  110be:  ldi r30, 0x5a
  20 ;; CHECK-NEXT:  110c0:  ldi r31, 0x88
  21 ;; CHECK-NEXT:  110c2:  eicall
  22 ;; CHECK-NOT:   __AVRThunk_a
  23
  24 .globl __init
  25 __init:
  26 ;; No thunk is needed, since the destination is in range [0, 0x1ffff].
  27 ldi r30, lo8_gs(a)  ; R_AVR_LO8_LDI_GS
  28 ldi r31, hi8_gs(a)  ; R_AVR_HI8_LDI_GS
  29 eicall
  30 ;; A thunk is needed, since the destination is out of range.
  31 ldi r30, lo8_gs(b)  ; R_AVR_LO8_LDI_GS
  32 ldi r31, hi8_gs(b)  ; R_AVR_HI8_LDI_GS
  33 eicall