lld/test/ELF/ppc64-split-stack-adjust-size-success.s

   1 # REQUIRES: ppc
   2
   3 # RUN: llvm-mc -filetype=obj -triple=powerpc64le-unknown-linux %s -o %t1.o
   4 # RUN: llvm-mc -filetype=obj -triple=powerpc64le-unknown-linux %p/Inputs/ppc64-no-split-stack.s -o %t2.o
   5
   6 # RUN: ld.lld %t1.o %t2.o -o %t --defsym __morestack=0x10010000 -split-stack-adjust-size 32768
   7 # RUN: llvm-objdump -d %t | FileCheck %s
   8 # RUN: ld.lld %t1.o %t2.o -o %t --defsym __morestack=0x10010000 -split-stack-adjust-size 4096
   9 # RUN: llvm-objdump -d %t | FileCheck %s --check-prefix=SMALL
  10 # RUN: ld.lld %t1.o %t2.o -o %t --defsym __morestack=0x10010000 -split-stack-adjust-size 0
  11 # RUN: llvm-objdump -d %t | FileCheck %s --check-prefix=ZERO
  12 # RUN: not ld.lld %t1.o %t2.o -o /dev/null -split-stack-adjust-size -1 2>&1 | FileCheck %s -check-prefix=ERR
  13 # ERR: error: --split-stack-adjust-size: size must be >= 0
  14
  15 # RUN: llvm-mc -filetype=obj -triple=powerpc64-unknown-linux %s -o %t1.o
  16 # RUN: llvm-mc -filetype=obj -triple=powerpc64-unknown-linux %p/Inputs/ppc64-no-split-stack.s -o %t2.o
  17
  18 # RUN: ld.lld %t1.o %t2.o -o %t --defsym __morestack=0x10010000 -split-stack-adjust-size 32768
  19 # RUN: llvm-objdump -d %t | FileCheck %s
  20 # RUN: ld.lld %t1.o %t2.o -o %t --defsym __morestack=0x10010000 -split-stack-adjust-size 4096
  21 # RUN: llvm-objdump -d %t | FileCheck %s --check-prefix=SMALL
  22 # RUN: ld.lld %t1.o %t2.o -o %t --defsym __morestack=0x10010000 -split-stack-adjust-size 0
  23 # RUN: llvm-objdump -d %t | FileCheck %s --check-prefix=ZERO
  24         .p2align    2
  25         .global caller
  26         .type caller, @function
  27 caller:
  28 .Lcaller_gep:
  29     addis 2, 12, .TOC.-.Lcaller_gep@ha
  30     addi 2, 2, .TOC.-.Lcaller_gep@l
  31     .localentry caller, .-caller
  32     ld 0, -0x7040(13)
  33     addi 12, 1, -32
  34     nop
  35     cmpld 7, 12, 0
  36     blt- 7, .Lcaller_alloc_more
  37 .Lcaller_body:
  38     mflr 0
  39     std 0, 16(1)
  40     stdu 1, -32(1)
  41     bl nss_callee
  42     addi 1, 1, 32
  43     ld 0, 16(1)
  44     mtlr 0
  45     blr
  46 .Lcaller_alloc_more:
  47     mflr 0
  48     std 0, 16(1)
  49     bl __morestack
  50     ld 0, 16(1)
  51     mtlr 0
  52     blr
  53     b .Lcaller_body
  54         .size caller, .-caller
  55
  56 # CHECK-LABEL: caller
  57 # CHECK:      ld 0, -28736(13)
  58 # CHECK-NEXT: addis 12, 1, -1
  59 # CHECK-NEXT: addi 12, 12, 32736
  60 # CHECK-NEXT: cmpld 7, 12, 0
  61 # CHECK-NEXT: bt- 28, 0x10010204
  62
  63 # SMALL-LABEL: caller
  64 # SMALL:      ld 0, -28736(13)
  65 # SMALL-NEXT: addi 12, 1, -4128
  66 # SMALL-NEXT: nop
  67 # SMALL-NEXT: cmpld 7, 12, 0
  68 # SMALL-NEXT: bt- 28, 0x10010204
  69
  70 # ZERO-LABEL: caller
  71 # ZERO:      ld 0, -28736(13)
  72 # ZERO-NEXT: addi 12, 1, -32
  73 # ZERO-NEXT: nop
  74 # ZERO-NEXT: cmpld 7, 12, 0
  75 # ZERO-NEXT: bt- 28, 0x10010204
  76         .p2align    2
  77         .global main
  78         .type  main, @function
  79 main:
  80 .Lmain_gep:
  81     addis 2,12,.TOC.-.Lmain_gep@ha
  82     addi 2,2,.TOC.-.Lmain_gep@l
  83     .localentry main,.-main
  84     ld 0,-0x7040(13)
  85     addi 12,1,-32
  86     nop
  87     cmpld 7,12,0
  88     blt- 7, .Lmain_morestack
  89 .Lmain_body:
  90     mflr 0
  91     std 0, 16(1)
  92     stdu 1, -32(1)
  93     bl caller
  94     addi 1, 1, 32
  95     ld 0, 16(1)
  96     mtlr 0
  97     blr
  98 .Lmain_morestack:
  99     mflr 0
 100     std 0, 16(1)
 101     bl __morestack
 102     ld 0, 16(1)
 103     mtlr 0
 104     blr
 105     b .Lmain_body
 106     .size main,.-main
 107
 108         .section        .note.GNU-split-stack,"",@progbits