lld/test/MachO/cgdata-generate.s

   1 # UNSUPPORTED: system-windows
   2 # REQUIRES: aarch64
   3
   4 # RUN: rm -rf %t; split-file %s %t
   5
   6 # Synthesize raw cgdata without the header (32 byte) from the indexed cgdata.
   7 # RUN: llvm-cgdata --convert --format binary %t/raw-1.cgtext -o %t/raw-1.cgdata
   8 # RUN: od -t x1 -j 32 -An %t/raw-1.cgdata | tr -d '\n\r\t' | sed 's/[ ][ ]*/ /g; s/^[ ]*//; s/[ ]*$//; s/[ ]/,0x/g; s/^/0x/' > %t/raw-1-bytes.txt
   9 # RUN: sed "s/<RAW_BYTES>/$(cat %t/raw-1-bytes.txt)/g" %t/merge-template.s > %t/merge-1.s
  10 # RUN: llvm-cgdata --convert --format binary %t/raw-2.cgtext -o %t/raw-2.cgdata
  11 # RUN: od -t x1 -j 32 -An %t/raw-2.cgdata | tr -d '\n\r\t' | sed 's/[ ][ ]*/ /g; s/^[ ]*//; s/[ ]*$//; s/[ ]/,0x/g; s/^/0x/' > %t/raw-2-bytes.txt
  12 # RUN: sed "s/<RAW_BYTES>/$(cat %t/raw-2-bytes.txt)/g" %t/merge-template.s > %t/merge-2.s
  13
  14 # RUN: llvm-mc -filetype obj -triple arm64-apple-darwin %t/merge-1.s -o %t/merge-1.o
  15 # RUN: llvm-mc -filetype obj -triple arm64-apple-darwin %t/merge-2.s -o %t/merge-2.o
  16 # RUN: llvm-mc -filetype obj -triple arm64-apple-darwin %t/main.s -o %t/main.o
  17
  18 # This checks if the codegen data from the linker is identical to the merged codegen data
  19 # from each object file, which is obtained using the llvm-cgdata tool.
  20 # RUN: %no-arg-lld -dylib -arch arm64 -platform_version ios 14.0 15.0 -o %t/out \
  21 # RUN: %t/merge-1.o %t/merge-2.o %t/main.o --codegen-data-generate-path=%t/out-cgdata
  22 # RUN: llvm-cgdata --merge %t/merge-1.o %t/merge-2.o %t/main.o -o %t/merge-cgdata
  23 # RUN: diff %t/out-cgdata %t/merge-cgdata
  24
  25 # Merge order doesn't matter. `main.o` is dropped due to missing __llvm_outline.
  26 # RUN: llvm-cgdata --merge %t/merge-2.o %t/merge-1.o -o %t/merge-cgdata-shuffle
  27 # RUN: diff %t/out-cgdata %t/merge-cgdata-shuffle
  28
  29 # We can also generate the merged codegen data from the executable that is not dead-stripped.
  30 # RUN: llvm-objdump -h %t/out| FileCheck %s
  31 # CHECK: __llvm_outline
  32 # RUN: llvm-cgdata --merge %t/out -o %t/merge-cgdata-exe
  33 # RUN: diff %t/merge-cgdata-exe %t/merge-cgdata
  34
  35 # Dead-strip will remove __llvm_outline sections from the final executable.
  36 # But the codeden data is still correctly produced from the linker.
  37 # RUN: %no-arg-lld -dylib -arch arm64 -platform_version ios 14.0 15.0 -o %t/out-strip \
  38 # RUN: %t/merge-1.o %t/merge-2.o %t/main.o -dead_strip --codegen-data-generate-path=%t/out-cgdata-strip
  39 # RUN: llvm-cgdata --merge %t/merge-1.o %t/merge-2.o %t/main.o -o %t/merge-cgdata-strip
  40 # RUN: diff %t/out-cgdata-strip %t/merge-cgdata-strip
  41 # RUN: diff %t/out-cgdata-strip %t/merge-cgdata
  42
  43 # Ensure no __llvm_outline section remains in the executable.
  44 # RUN: llvm-objdump -h %t/out-strip | FileCheck %s --check-prefix=STRIP
  45 # STRIP-NOT: __llvm_outline
  46
  47 #--- raw-1.cgtext
  48 :outlined_hash_tree
  49 0:
  50   Hash:            0x0
  51   Terminals:       0
  52   SuccessorIds:    [ 1 ]
  53 1:
  54   Hash:            0x1
  55   Terminals:       0
  56   SuccessorIds:    [ 2 ]
  57 2:
  58   Hash:            0x2
  59   Terminals:       4
  60   SuccessorIds:    [  ]
  61 ...
  62
  63 #--- raw-2.cgtext
  64 :outlined_hash_tree
  65 0:
  66   Hash:            0x0
  67   Terminals:       0
  68   SuccessorIds:    [ 1 ]
  69 1:
  70   Hash:            0x1
  71   Terminals:       0
  72   SuccessorIds:    [ 2 ]
  73 2:
  74   Hash:            0x3
  75   Terminals:       5
  76   SuccessorIds:    [  ]
  77 ...
  78
  79 #--- merge-template.s
  80 .section __DATA,__llvm_outline
  81 _data:
  82 .byte <RAW_BYTES>
  83
  84 #--- main.s
  85 .globl _main
  86
  87 .text
  88 _main:
  89   ret