lld/test/ELF/common-archive-lookup.s

   1 # REQUIRES: ppc
   2
   3 # RUN: rm -rf %t.dir
   4 # RUN: split-file %s %t.dir
   5 # RUN: cd %t.dir
   6
   7 ## Object files.
   8 # RUN: llvm-mc -triple=powerpc64le -filetype=obj ref.s -o 1.o
   9 # RUN: llvm-mc -triple=powerpc64le -filetype=obj refanddef.s -o 2.o
  10 # RUN: llvm-mc -triple=powerpc64le -filetype=obj def.s -o strong_data_only.o
  11 # RUN: llvm-mc -triple=powerpc64le -filetype=obj weak.s -o weak_data_only.o
  12
  13 # RUN: llvm-mc -triple=powerpc64le -filetype=obj main.s -o main.o
  14
  15 ## Object file archives.
  16 # RUN: llvm-ar crs 1.a 1.o strong_data_only.o
  17 # RUN: llvm-ar crs 2.a 1.o weak_data_only.o
  18 # RUN: llvm-ar crs 3.a 2.o strong_data_only.o
  19
  20 ## Bitcode files.
  21 # RUN: llvm-as -o 1.bc commonblock.ll
  22 # RUN: llvm-as -o 2.bc blockdata.ll
  23 # RUN: llvm-as -o 3.bc weak.ll
  24
  25 ## Bitcode archive.
  26 # RUN: llvm-ar crs 4.a 1.bc 2.bc
  27
  28 # RUN: ld.lld -o 1 main.o 1.a --fortran-common
  29 # RUN: llvm-objdump -D -j .data 1 | FileCheck --check-prefix=TEST1 %s
  30
  31 # RUN: ld.lld -o 2 main.o --start-lib 1.o strong_data_only.o --end-lib --fortran-common
  32 # RUN: llvm-objdump -D -j .data 2 | FileCheck --check-prefix=TEST1 %s
  33
  34 # RUN: ld.lld -o 3 main.o 2.a
  35 # RUN: llvm-objdump -t 3 | FileCheck --check-prefix=BSS %s
  36
  37 # RUN: ld.lld -o 4 main.o --start-lib 1.o weak_data_only.o --end-lib
  38 # RUN: llvm-objdump -t 4 | FileCheck --check-prefix=BSS %s
  39
  40 # RUN: ld.lld -o 5 main.o 3.a --print-map | FileCheck --check-prefix=MAP %s
  41
  42 # RUN: ld.lld -o 6 main.o 2.o 1.a
  43 # RUN: llvm-objdump -D -j .data 6 | FileCheck --check-prefix=TEST2 %s
  44
  45 # RUN: ld.lld -o 7 main.o 2.o --start-lib 1.o strong_data_only.o --end-lib
  46 # RUN: llvm-objdump -D -j .data 7 | FileCheck --check-prefix=TEST2 %s
  47
  48 # RUN: not ld.lld -o 8 main.o 1.a strong_data_only.o --fortran-common 2>&1 | \
  49 # RUN:   FileCheck --check-prefix=ERR %s
  50
  51 # RUN: not ld.lld -o 9 main.o --start-lib 1.o 2.o --end-lib  strong_data_only.o --fortran-common 2>&1 | \
  52 # RUN:   FileCheck --check-prefix=ERR %s
  53
  54 # ERR: ld.lld: error: duplicate symbol: block
  55
  56 # RUN: ld.lld --no-fortran-common -o 10 main.o 1.a
  57 # RUN: llvm-readobj --syms 10 | FileCheck --check-prefix=NFC %s
  58 # RUN: ld.lld -o 10 main.o 1.a
  59 # RUN: llvm-readobj --syms 10 | FileCheck --check-prefix=NFC %s
  60
  61 # RUN: ld.lld --no-fortran-common -o 11 main.o --start-lib 1.o strong_data_only.o --end-lib
  62 # RUN: llvm-readobj --syms 11 | FileCheck --check-prefix=NFC %s
  63
  64 # RUN: ld.lld -o - main.o 4.a --fortran-common --lto-emit-asm | FileCheck --check-prefix=ASM %s
  65
  66 # RUN: ld.lld -o - main.o  --start-lib 1.bc 2.bc --end-lib --fortran-common --lto-emit-asm | \
  67 # RUN:   FileCheck --check-prefix=ASM %s
  68
  69 ## COMMON overrides weak. Don't extract 3.bc which provides a weak definition.
  70 # RUN: ld.lld -o /dev/null main.o --start-lib 1.bc 3.bc --end-lib -y block | FileCheck --check-prefix=LTO_WEAK %s
  71
  72 ## Old FORTRAN that mixes use of COMMON blocks and BLOCK DATA requires that we
  73 ## search through archives for non-tentative definitions (from the BLOCK DATA)
  74 ## to replace the tentative definitions (from the COMMON block(s)).
  75
  76 ## Ensure we have used the initialized definition of 'block' instead of a
  77 ## common definition.
  78 # TEST1-LABEL:  Disassembly of section .data:
  79 # TEST1:          <block>:
  80 # TEST1-NEXT:       ea 2e 44 54
  81 # TEST1-NEXT:       fb 21 09 40
  82 # TEST1-NEXT:       ...
  83
  84 # BSS:       [[#%x,]] g     O .bss   0000000000000028 block
  85
  86 # NFC:       Name: block
  87 # NFC-NEXT:  Value:
  88 # NFC-NEXT:  Size: 40
  89 # NFC-NEXT:  Binding: Global (0x1)
  90 # NFC-NEXT:  Type: Object (0x1)
  91 # NFC-NEXT:  Other: 0
  92 # NFC-NEXT:  Section: .bss
  93
  94 ## Expecting the strong definition from the object file, and the definitions from
  95 ## the archive do not interfere.
  96 # TEST2-LABEL: Disassembly of section .data:
  97 # TEST2:         <block>:
  98 # TEST2-NEXT:     03 57 14 8b
  99 # TEST2-NEXT:     0a bf 05 40
 100 # TEST2-NEXT:     ...
 101
 102 # MAP:       28 8 3.a(2.o):(.data)
 103 # MAP-NEXT:  28 1 block
 104
 105 # ASM:         .type   block,@object
 106 # ASM:       block:
 107 # ASM-NEXT:    .long 5
 108 # ASM:         .size   block, 20
 109
 110 # LTO_WEAK:     1.bc: common definition of block
 111 # LTO_WEAK:     <internal>: reference to block
 112 # LTO_WEAK-NOT: {{.}}
 113
 114 #--- ref.s
 115   .text
 116   .abiversion 2
 117   .global bar
 118   .type bar,@function
 119 bar:
 120   addis 4, 2, block@toc@ha
 121   addi  4, 4, block@toc@l
 122
 123 ## Tentative definition of 'block'.
 124   .comm block,40,8
 125
 126 #--- refanddef.s
 127 ## An alternate strong definition of block, in the same file as
 128 ## a different referenced symbol.
 129   .text
 130   .abiversion 2
 131   .global bar
 132   .type bar,@function
 133 bar:
 134   addis 4, 2, block@toc@ha
 135   addi  4, 4, block@toc@l
 136
 137   .data
 138   .type block,@object
 139   .global block
 140   .p2align 3
 141 block:
 142   .quad   0x4005bf0a8b145703              # double 2.7182818284589998
 143   .space  32
 144   .size   block, 40
 145
 146 #--- def.s
 147 ## Strong definition of 'block'.
 148   .data
 149   .type block,@object
 150   .global block
 151   .p2align 3
 152 block:
 153   .quad   0x400921fb54442eea              # double 3.1415926535900001
 154   .space  32
 155   .size   block, 40
 156
 157 #--- weak.s
 158 ## Weak definition of `block`.
 159   .data
 160   .type block,@object
 161   .weak block
 162   .p2align 3
 163 block:
 164   .quad   0x400921fb54442eea              # double 3.1415926535900001
 165   .space  32
 166   .size   block, 40
 167
 168 #--- main.s
 169   .global _start
 170 _start:
 171   bl bar
 172   blr
 173
 174
 175 #--- blockdata.ll
 176 target datalayout = "e-m:e-Fn32-i64:64-n32:64-S128-v256:256:256-v512:512:512"
 177 target triple = "powerpc64le-unknown-linux-gnu"
 178
 179 @block = dso_local local_unnamed_addr global [5 x i32] [i32 5, i32 0, i32 0, i32 0, i32 0], align 4
 180
 181 #--- weak.ll
 182 target datalayout = "e-m:e-Fn32-i64:64-n32:64-S128-v256:256:256-v512:512:512"
 183 target triple = "powerpc64le-unknown-linux-gnu"
 184
 185 @block = weak dso_local global [5 x i32] [i32 5, i32 0, i32 0, i32 0, i32 0], align 4
 186
 187 #--- commonblock.ll
 188 target datalayout = "e-m:e-Fn32-i64:64-n32:64-S128-v256:256:256-v512:512:512"
 189 target triple = "powerpc64le-unknown-linux-gnu"
 190
 191 @block =  common dso_local local_unnamed_addr global [5 x i32] zeroinitializer, align 4
 192
 193 define dso_local i32 @bar(i32 signext %i) local_unnamed_addr {
 194 entry:
 195   %idxprom = sext i32 %i to i64
 196   %arrayidx = getelementptr inbounds [5 x i32], ptr @block, i64 0, i64 %idxprom
 197   %0 = load i32, ptr %arrayidx, align 8
 198   ret i32 %0
 199 }