lld/test/ELF/riscv-relax-call2.s

   1 # REQUIRES: riscv
   2 # RUN: rm -rf %t && split-file %s %t && cd %t
   3 # RUN: llvm-mc -filetype=obj -triple=riscv64 -mattr=+c,+relax a.s -o a.o
   4
   5 # RUN: ld.lld -T lds a.o -o a
   6 # RUN: llvm-objdump -d --no-show-raw-insn -M no-aliases a | FileCheck %s
   7
   8 ## Unsure whether this needs a diagnostic. GNU ld allows this.
   9 # RUN: ld.lld -T lds -pie a.o -o a.pie
  10 # RUN: llvm-objdump -d --no-show-raw-insn -M no-aliases a.pie | FileCheck %s
  11
  12 # RUN: ld.lld -T lds -pie -z notext -z ifunc-noplt a.o -o a.ifunc-noplt
  13 # RUN: llvm-objdump -d --no-show-raw-insn -M no-aliases a.ifunc-noplt | FileCheck %s --check-prefix=CHECK2
  14
  15 # CHECK-LABEL:  <_start>:
  16 # CHECK-NEXT:             jal    zero, 0x8 <abs>
  17 # CHECK-NEXT:             jal    zero, 0x8 <abs>
  18 # CHECK-NEXT:             jal    ra, 0x8 <abs>
  19 # CHECK-NEXT:             auipc  t1, 0xfff00
  20 # CHECK-NEXT:             jalr   zero, -0x4(t1)
  21 # CHECK-EMPTY:
  22
  23 # CHECK-LABEL:  <.mid>:
  24 # CHECK-NEXT:             jal    zero, 0x101000
  25 # CHECK-NEXT:             c.j    0x101000
  26 # CHECK-EMPTY:
  27
  28 # CHECK2-LABEL: <.mid>:
  29 # CHECK2-NEXT:            auipc  t1, 0x0
  30 # CHECK2-NEXT:            jalr   zero, 0x0(t1)
  31 # CHECK2-NEXT:            auipc  t1, 0x0
  32 # CHECK2-NEXT:            jalr   zero, 0x0(t1)
  33 # CHECK2-EMPTY:
  34
  35 #--- a.s
  36 .global _start, ifunc
  37 _start:
  38   jump abs, t2
  39   jump abs, t3
  40   call abs
  41   tail abs       # not relaxed
  42
  43 .section .mid,"ax",@progbits
  44 .balign 16
  45   tail ifunc@plt # not relaxed
  46   tail ifunc@plt
  47
  48 .type ifunc, @gnu_indirect_function
  49 ifunc:
  50   ret
  51
  52 #--- lds
  53 SECTIONS {
  54   .text 0x100000 : { *(.text) }
  55   .mid 0x100800 : { *(.mid) }
  56   .iplt 0x101000 : { *(.iplt) }
  57 }
  58 abs = 8;