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Summary: This change tries to make the root cause of instrumented profile data merge failures clearer. Previous: $ llvm-profdata merge test_0.profraw test_1.profraw -o test_merged.profdata test_1.profraw: foo: Function count mismatch test_1.profraw: bar: Function count mismatch test_1.profraw: baz: Function count mismatch ... Changed: $ llvm-profdata merge test_0.profraw test_1.profraw -o test_merged.profdata test_1.profraw: foo: Function basic block count change detected (counter mismatch) Make sure that all profile data to be merged is generated from the same binary. test_1.profraw: bar: Function basic block count change detected (counter mismatch) test_1.profraw: baz: Function basic block count change detected (counter mismatch) ... Reviewers: dnovillo, davidxl, bogner Subscribers: llvm-commits Differential Revision: http://reviews.llvm.org/D14739 llvm-svn: 253384
42 lines
979 B
Plaintext
42 lines
979 B
Plaintext
# Make sure we don't try to combine counters with the same function
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# name and a matching hash if the number of counters differs
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# RUN: llvm-profdata merge %s -o %t.profdata 2>&1 | FileCheck -check-prefix=MERGE_ERRS %s
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# RUN: llvm-profdata show %t.profdata -all-functions -counts > %t.out
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# RUN: FileCheck %s -input-file %t.out
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foo
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1024
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4
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1
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2
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4
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8
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# The hash matches, but we can't combine these because the number of
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# counters differs.
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# MERGE_ERRS: count-mismatch.proftext: foo: Function basic block count change detected (counter mismatch)
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# MERGE_ERRS: Make sure that all profile data to be merged is generated from the same binary.
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foo
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1024
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3
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2
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4
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8
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# This one does match, so it should combine with the first just fine.
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# CHECK: Hash: 0x{{0+}}400
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# CHECK-NEXT: Counters: 4
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# CHECK-NEXT: Function count: 5
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# CHECK-NEXT: Block counts: [10, 20, 40]
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foo
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1024
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4
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4
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8
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16
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32
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# CHECK: Total functions: 1
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# CHECK: Maximum function count: 5
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# CHECK: Maximum internal block count: 40
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