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| author | Dimitry Andric <dim@FreeBSD.org> | 2015-12-30 11:46:15 +0000 |
|---|---|---|
| committer | Dimitry Andric <dim@FreeBSD.org> | 2015-12-30 11:46:15 +0000 |
| commit | dd58ef019b700900793a1eb48b52123db01b654e (patch) | |
| tree | fcfbb4df56a744f4ddc6122c50521dd3f1c5e196 /test/tools/llvm-profdata/overflow-instr.test | |
| parent | 2fe5752e3a7c345cdb59e869278d36af33c13fa4 (diff) | |
Notes
Diffstat (limited to 'test/tools/llvm-profdata/overflow-instr.test')
| -rw-r--r-- | test/tools/llvm-profdata/overflow-instr.test | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/test/tools/llvm-profdata/overflow-instr.test b/test/tools/llvm-profdata/overflow-instr.test new file mode 100644 index 000000000000..5b9a94af9b29 --- /dev/null +++ b/test/tools/llvm-profdata/overflow-instr.test @@ -0,0 +1,17 @@ +Tests for overflow when merging instrumented profiles. + +1- Merge profile having maximum counts with itself and verify overflow detected and saturation occurred +RUN: llvm-profdata merge -instr %p/Inputs/overflow-instr.proftext %p/Inputs/overflow-instr.proftext -o %t.out 2>&1 | FileCheck %s -check-prefix=MERGE_OVERFLOW +RUN: llvm-profdata show -instr %t.out | FileCheck %s --check-prefix=SHOW_OVERFLOW +MERGE_OVERFLOW: {{.*}}: overflow: Counter overflow +SHOW_OVERFLOW: Total functions: 1 +SHOW_OVERFLOW-NEXT: Maximum function count: 18446744073709551615 +SHOW_OVERFLOW-NEXT: Maximum internal block count: 18446744073709551615 + +2- Merge profile having maximum counts by itself and verify no overflow +RUN: llvm-profdata merge -instr %p/Inputs/overflow-instr.proftext -o %t.out 2>&1 | FileCheck %s -check-prefix=MERGE_NO_OVERFLOW -allow-empty +RUN: llvm-profdata show -instr %t.out | FileCheck %s --check-prefix=SHOW_NO_OVERFLOW +MERGE_NO_OVERFLOW-NOT: {{.*}}: overflow: Counter overflow +SHOW_NO_OVERFLOW: Total functions: 1 +SHOW_NO_OVERFLOW-NEXT: Maximum function count: 18446744073709551615 +SHOW_NO_OVERFLOW-NEXT: Maximum internal block count: 18446744073709551615 |