lld/test/ELF/ppc64-func-entry-points.s

   1 // REQUIRES: ppc
   2
   3 // RUN: llvm-mc -filetype=obj -triple=powerpc64le-unknown-linux %s -o %t.o
   4 // RUN: llvm-mc -filetype=obj -triple=powerpc64le-unknown-linux %p/Inputs/ppc64-func-global-entry.s -o %t2.o
   5 // RUN: llvm-mc -filetype=obj -triple=powerpc64le-unknown-linux %p/Inputs/ppc64-func-local-entry.s -o %t3.o
   6 // RUN: ld.lld %t.o %t2.o %t3.o -o %t
   7 // RUN: llvm-objdump -d --no-show-raw-insn %t | FileCheck %s
   8
   9 // RUN: llvm-mc -filetype=obj -triple=powerpc64-unknown-linux %s -o %t.o
  10 // RUN: llvm-mc -filetype=obj -triple=powerpc64-unknown-linux %p/Inputs/ppc64-func-global-entry.s -o %t2.o
  11 // RUN: llvm-mc -filetype=obj -triple=powerpc64-unknown-linux %p/Inputs/ppc64-func-local-entry.s -o %t3.o
  12 // RUN: ld.lld %t.o %t2.o %t3.o -o %t
  13 // RUN: llvm-objdump -d --no-show-raw-insn %t | FileCheck %s
  14
  15         .text
  16         .abiversion 2
  17         .globl  _start                    # -- Begin function _start
  18         .p2align        4
  19         .type   _start,@function
  20 _start:                                   # @_start
  21 .Lfunc_begin0:
  22 .Lfunc_gep0:
  23         addis 2, 12, .TOC.-.Lfunc_gep0@ha
  24         addi 2, 2, .TOC.-.Lfunc_gep0@l
  25 .Lfunc_lep0:
  26         .localentry     _start, .Lfunc_lep0-.Lfunc_gep0
  27 # %bb.0:                                # %entry
  28         mflr 0
  29         std 0, 16(1)
  30         stdu 1, -48(1)
  31         li 3, 1
  32         li 4, 1
  33         std 30, 32(1)                   # 8-byte Folded Spill
  34         bl foo_external_same
  35         nop
  36         mr 30, 3
  37         li 3, 2
  38         li 4, 2
  39         bl foo_external_diff
  40         nop
  41         addis 4, 2, .LC0@toc@ha
  42         add 3, 3, 30
  43         ld 30, 32(1)                    # 8-byte Folded Reload
  44         ld 4, .LC0@toc@l(4)
  45         lwz 4, 0(4)
  46         add 3, 3, 4
  47         extsw 3, 3
  48         addi 1, 1, 48
  49         ld 0, 16(1)
  50         li 0, 1
  51         sc
  52         .long   0
  53         .quad   0
  54 .Lfunc_end0:
  55         .size   _start, .Lfunc_end0-.Lfunc_begin0
  56                                         # -- End function
  57         .section        .toc,"aw",@progbits
  58 .LC0:
  59         .tc glob[TC],glob
  60         .type   glob,@object            # @glob
  61         .data
  62         .globl  glob
  63         .p2align        2
  64 glob:
  65         .long   10                      # 0xa
  66         .size   glob, 4
  67
  68 # Check that foo_external_diff has a global entry point and we branch to
  69 # foo_external_diff+8. Also check that foo_external_same has no global entry
  70 # point and we branch to start of foo_external_same.
  71
  72 // CHECK-LABEL: <_start>:
  73 // CHECK:         100101f0: bl 0x10010280
  74 // CHECK:         10010204: bl 0x10010258
  75 // CHECK-LABEL: <foo_external_diff>:
  76 // CHECK-NEXT:    10010250: addis 2, 12, 2
  77 // CHECK-NEXT:    10010254: addi 2, 2, -32696
  78 // CHECK-NEXT:    10010258: addis 5, 2, 1
  79 // CHECK-LABEL: <foo_external_same>:
  80 // CHECK-NEXT:    10010280: add 3, 4, 3