1*9880d681SAndroid Build Coastguard WorkerTests for overflow when merging instrumented profiles. 2*9880d681SAndroid Build Coastguard Worker 3*9880d681SAndroid Build Coastguard Worker1- Merge profile having maximum counts with itself and verify overflow detected and saturation occurred 4*9880d681SAndroid Build Coastguard WorkerRUN: 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 5*9880d681SAndroid Build Coastguard WorkerRUN: llvm-profdata show -instr %t.out | FileCheck %s --check-prefix=SHOW_OVERFLOW 6*9880d681SAndroid Build Coastguard WorkerMERGE_OVERFLOW: {{.*}}: overflow: Counter overflow 7*9880d681SAndroid Build Coastguard WorkerSHOW_OVERFLOW: Total functions: 1 8*9880d681SAndroid Build Coastguard WorkerSHOW_OVERFLOW-NEXT: Maximum function count: 18446744073709551615 9*9880d681SAndroid Build Coastguard WorkerSHOW_OVERFLOW-NEXT: Maximum internal block count: 18446744073709551615 10*9880d681SAndroid Build Coastguard Worker 11*9880d681SAndroid Build Coastguard Worker2- Merge profile having maximum counts by itself and verify no overflow 12*9880d681SAndroid Build Coastguard WorkerRUN: llvm-profdata merge -instr %p/Inputs/overflow-instr.proftext -o %t.out 2>&1 | FileCheck %s -check-prefix=MERGE_NO_OVERFLOW -allow-empty 13*9880d681SAndroid Build Coastguard WorkerRUN: llvm-profdata show -instr %t.out | FileCheck %s --check-prefix=SHOW_NO_OVERFLOW 14*9880d681SAndroid Build Coastguard WorkerMERGE_NO_OVERFLOW-NOT: {{.*}}: overflow: Counter overflow 15*9880d681SAndroid Build Coastguard WorkerSHOW_NO_OVERFLOW: Total functions: 1 16*9880d681SAndroid Build Coastguard WorkerSHOW_NO_OVERFLOW-NEXT: Maximum function count: 18446744073709551615 17*9880d681SAndroid Build Coastguard WorkerSHOW_NO_OVERFLOW-NEXT: Maximum internal block count: 18446744073709551615 18