diff options
Diffstat (limited to 'llvm/test/tools/llvm-profdata/overflow-instr.test')
| -rw-r--r-- | llvm/test/tools/llvm-profdata/overflow-instr.test | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/llvm/test/tools/llvm-profdata/overflow-instr.test b/llvm/test/tools/llvm-profdata/overflow-instr.test new file mode 100644 index 00000000000..5b9a94af9b2 --- /dev/null +++ b/llvm/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 |
