xref: /llvm-project/lld/test/MachO/cgdata-generate.s (revision ffcf3c8688f57acaf6a404a1238673c9d197ba9a)
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
490:
50  Hash:            0x0
51  Terminals:       0
52  SuccessorIds:    [ 1 ]
531:
54  Hash:            0x1
55  Terminals:       0
56  SuccessorIds:    [ 2 ]
572:
58  Hash:            0x2
59  Terminals:       4
60  SuccessorIds:    [  ]
61...
62
63#--- raw-2.cgtext
64:outlined_hash_tree
650:
66  Hash:            0x0
67  Terminals:       0
68  SuccessorIds:    [ 1 ]
691:
70  Hash:            0x1
71  Terminals:       0
72  SuccessorIds:    [ 2 ]
732:
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
90