cd47ae9f8f
The existing ELF/COFF correlation code mostly "just works" on Mach-O files, with one gotcha: on disk, the pointers in `__llvm_covdata` are stored in an encoded format due to dyld fixup chains. (In memory, they would normally be fixed up at load time in a running binary, but the correlator only looks at the on-disk values.) LLVM's Mach-O reader knows how to decode the format, so this patch walks the fixup table to create a set of mappings that the correlator can use to resolve the values. rdar://168259786
52 lines
3.1 KiB
C
52 lines
3.1 KiB
C
// REQUIRES: linux || windows || darwin
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// Default
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// RUN: %clang -o %t.normal -fprofile-instr-generate -fcoverage-mapping %S/Inputs/instrprof-debug-info-correlate-main.cpp %S/Inputs/instrprof-debug-info-correlate-foo.cpp
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// RUN: env LLVM_PROFILE_FILE=%t.profraw %run %t.normal
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// RUN: llvm-profdata merge -o %t.normal.profdata %t.profraw
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// RUN: llvm-cov report --instr-profile=%t.normal.profdata %t.normal > %t.normal.report
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// RUN: llvm-cov show --instr-profile=%t.normal.profdata %t.normal > %t.normal.show
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// With -profile-correlate=binary flag
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// RUN: %clang -o %t-1.exe -fprofile-instr-generate -fcoverage-mapping -mllvm -profile-correlate=binary %S/Inputs/instrprof-debug-info-correlate-main.cpp %S/Inputs/instrprof-debug-info-correlate-foo.cpp
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// RUN: env LLVM_PROFILE_FILE=%t-1.profraw %run %t-1.exe
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// RUN: llvm-profdata merge -o %t-1.profdata --binary-file=%t-1.exe %t-1.profraw
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// RUN: llvm-cov report --instr-profile=%t-1.profdata %t-1.exe > %t-1.report
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// RUN: llvm-cov show --instr-profile=%t-1.profdata %t-1.exe > %t-1.show
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// RUN: llvm-profdata show --all-functions --counts %t.normal.profdata > %t.normal.profdata.show
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// RUN: llvm-profdata show --all-functions --counts %t-1.profdata > %t-1.profdata.show
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// RUN: diff %t.normal.profdata.show %t-1.profdata.show
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// RUN: diff %t.normal.report %t-1.report
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// RUN: diff %t.normal.show %t-1.show
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// Strip above binary and run
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// RUN: llvm-strip %t-1.exe -o %t-2.exe
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// RUN: env LLVM_PROFILE_FILE=%t-2.profraw %run %t-2.exe
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// RUN: llvm-profdata merge -o %t-2.profdata --binary-file=%t-1.exe %t-2.profraw
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// RUN: llvm-cov report --instr-profile=%t-2.profdata %t-1.exe > %t-2.report
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// RUN: llvm-cov show --instr-profile=%t-2.profdata %t-1.exe > %t-2.show
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// RUN: llvm-profdata show --all-functions --counts %t-2.profdata > %t-2.profdata.show
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// RUN: diff %t.normal.profdata.show %t-2.profdata.show
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// RUN: diff %t.normal.report %t-2.report
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// RUN: diff %t.normal.show %t-2.show
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// Online merging.
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// RUN: env LLVM_PROFILE_FILE=%t-3.profraw %run %t.normal
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// RUN: env LLVM_PROFILE_FILE=%t-4.profraw %run %t.normal
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// RUN: llvm-profdata merge -o %t.normal.merged.profdata %t-3.profraw %t-4.profraw
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// RUN: llvm-cov report --instr-profile=%t.normal.merged.profdata %t.normal > %t.normal.merged.report
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// RUN: llvm-cov show --instr-profile=%t.normal.merged.profdata %t.normal > %t.normal.merged.show
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// RUN: rm -rf %t.profdir && mkdir %t.profdir
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// RUN: env LLVM_PROFILE_FILE=%t.profdir/%m-4.profraw %run %t-2.exe
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// RUN: env LLVM_PROFILE_FILE=%t.profdir/%m-4.profraw %run %t-2.exe
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// RUN: llvm-profdata merge -o %t-4.profdata --binary-file=%t-1.exe %t.profdir
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// RUN: llvm-cov report --instr-profile=%t-4.profdata %t-1.exe > %t-4.report
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// RUN: llvm-cov show --instr-profile=%t-4.profdata %t-1.exe > %t-4.show
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// RUN: llvm-profdata show --all-functions --counts %t.normal.merged.profdata > %t.normal.merged.profdata.show
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// RUN: llvm-profdata show --all-functions --counts %t-4.profdata > %t-4.profdata.show
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// RUN: diff %t.normal.merged.profdata.show %t-4.profdata.show
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// RUN: diff %t.normal.merged.report %t-4.report
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// RUN: diff %t.normal.merged.show %t-4.show
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// TODO: After adding support for binary ID, test binaries with different binary IDs.
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