forked from OSchip/llvm-project
51 lines
1.7 KiB
Plaintext
51 lines
1.7 KiB
Plaintext
# Meta test using merge-fdata binary
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UNSUPPORTED: asan
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# Instrumentation currently only works on X86
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REQUIRES: x86_64-linux
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# Instrumentation, should test:
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# - Direct branches
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# - Unmapped calls coming from uninstrumented code (libc)
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# - Direct calls
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RUN: llvm-bolt merge-fdata -o %t.inst -instrument -instrumentation-file=%t.fdata
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# Execute with no input
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RUN: %t.inst --version
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RUN: mv %t.fdata %t.fdata1
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# Check unmapped calls coverage - libc should be calling _start via
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# uninstrumented code
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RUN: cat %t.fdata1 | FileCheck %s --check-prefix=CHECK-FDATA
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CHECK-FDATA: 0 [unknown] 0 1 _start 0 0 1
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# Check that BOLT works with this profile
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RUN: llvm-bolt merge-fdata -o %t.bolt -data %t.fdata1 \
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RUN: -reorder-blocks=cache+ -reorder-functions=hfsort+ -split-functions=3 | \
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RUN: FileCheck %s --check-prefix=CHECK-BOLT1
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CHECK-BOLT1-NOT: invalid (possibly stale) profile
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# Execute again
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RUN: %t.inst --help
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RUN: mv %t.fdata %t.fdata2
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# Check profile coverage
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RUN: llvm-boltdiff merge-fdata merge-fdata \
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RUN: -data %t.fdata1 -data2 %t.fdata2 -display-count=20 | \
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RUN: FileCheck %s --check-prefix=CHECK-BOLTDIFF
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CHECK-BOLTDIFF: Inputs share [[#]] functions
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# Check that instrumented binary produces the same result
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RUN: merge-fdata %t.fdata1 %t.fdata2 > %t.fdata.base
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RUN: %t.inst %t.fdata1 %t.fdata2 > %t.fdata.inst
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RUN: cmp %t.fdata.base %t.fdata.inst
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# Optimize using merged fdata
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RUN: llvm-bolt merge-fdata -o %t.opt -data %t.fdata.base \
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RUN: -reorder-blocks=cache+ -reorder-functions=hfsort+ -split-functions=3 | \
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RUN: FileCheck %s --check-prefix=CHECK-BOLT2
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CHECK-BOLT2-NOT: invalid (possibly stale) profile
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# Check that optimized binary produces the same result
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RUN: %t.opt %t.fdata1 %t.fdata2 > %t.fdata.opt
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RUN: cmp %t.fdata.base %t.fdata.opt
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