xref: /llvm-project/llvm/test/tools/llvm-profdata/malformed-num-counters-zero.test (revision 922a431e10fa28519eb5d62e094f19b1008612a1)
1// Header
2//
3// INSTR_PROF_RAW_HEADER(uint64_t, Magic, __llvm_profile_get_magic())
4// INSTR_PROF_RAW_HEADER(uint64_t, Version, __llvm_profile_get_version())
5// INSTR_PROF_RAW_HEADER(uint64_t, BinaryIdsSize, __llvm_write_binary_ids(NULL))
6// INSTR_PROF_RAW_HEADER(uint64_t, DataSize, DataSize)
7// INSTR_PROF_RAW_HEADER(uint64_t, CountersSize, CountersSize)
8// INSTR_PROF_RAW_HEADER(uint64_t, NumBitmaskBytes, NumBitmaskBytes)
9// INSTR_PROF_RAW_HEADER(uint64_t, NamesSize,  NamesSize)
10// INSTR_PROF_RAW_HEADER(uint64_t, CountersDelta, (uintptr_t)CountersBegin)
11// INSTR_PROF_RAW_HEADER(uint64_t, BitmaskDelta, (uintptr_t)BitmaskBegin)
12// INSTR_PROF_RAW_HEADER(uint64_t, NamesDelta, (uintptr_t)NamesBegin)
13// INSTR_PROF_RAW_HEADER(uint64_t, VNamesSize, VNamesSize)
14// INSTR_PROF_RAW_HEADER(uint64_t, NumVTables, NumVTables)
15// INSTR_PROF_RAW_HEADER(uint64_t, ValueKindLast, IPVK_Last)
16
17// gnuwin32 printf does not work for this test because it will print \15 (CR)
18// whenever \12 (LF) is in the input string.
19UNSUPPORTED: system-windows
20RUN: printf '\201rforpl\377' > %t.profraw
21RUN: printf '\12\0\0\0\0\0\0\0' >> %t.profraw
22RUN: printf '\0\0\0\0\0\0\0\0' >> %t.profraw
23RUN: printf '\1\0\0\0\0\0\0\0' >> %t.profraw
24RUN: printf '\0\0\0\0\0\0\0\0' >> %t.profraw
25RUN: printf '\1\0\0\0\0\0\0\0' >> %t.profraw
26RUN: printf '\0\0\0\0\0\0\0\0' >> %t.profraw
27RUN: printf '\0\0\0\0\0\0\0\0' >> %t.profraw
28RUN: printf '\0\0\0\0\0\0\0\0' >> %t.profraw
29RUN: printf '\10\0\0\0\0\0\0\0' >> %t.profraw
30RUN: printf '\0\0\4\0\1\0\0\0' >> %t.profraw
31RUN: printf '\0\0\0\0\0\0\0\0' >> %t.profraw
32RUN: printf '\0\0\4\0\2\0\0\0' >> %t.profraw
33RUN: printf '\0\0\0\0\0\0\0\0' >> %t.profraw
34RUN: printf '\0\0\0\0\0\0\0\0' >> %t.profraw
35RUN: printf '\0\0\0\0\0\0\0\0' >> %t.profraw
36
37// Data Section
38//
39// struct ProfData {
40// #define INSTR_PROF_DATA(Type, LLVMType, Name, Initializer) \
41//    Type Name;
42// #include "llvm/ProfileData/InstrProfData.inc"
43// };
44
45RUN: printf '\254\275\030\333\114\302\370\134' >> %t.profraw
46RUN: printf '\1\0\0\0\0\0\0\0' >> %t.profraw
47RUN: printf '\0\0\4\0\1\0\0\0' >> %t.profraw
48RUN: printf '\0\0\0\0\0\0\0\0' >> %t.profraw
49RUN: printf '\0\0\0\0\0\0\0\0' >> %t.profraw
50RUN: printf '\0\0\0\0\0\0\0\0' >> %t.profraw
51
52// Make two copies for another test.
53RUN: cp %t.profraw %t-bad.profraw
54RUN: cp %t.profraw %t-good.profraw
55
56// Make NumCounters = 0 so that we get "number of counters is zero" error message
57RUN: printf '\0\0\0\0\0\0\0\0' >> %t.profraw
58RUN: printf '\0\0\0\0\0\0\0\0' >> %t.profraw
59
60RUN: printf '\023\0\0\0\0\0\0\0' >> %t.profraw
61RUN: printf '\3\0foo\0\0\0' >> %t.profraw
62
63RUN: not llvm-profdata show %t.profraw 2>&1 | FileCheck %s --check-prefix=ZERO
64ZERO: malformed instrumentation profile data: number of counters is zero
65
66// Test a counter value greater than 2^56.
67RUN: printf '\1\0\0\0\0\0\0\0' >> %t-bad.profraw
68RUN: printf '\0\0\0\0\0\0\0\0' >> %t-bad.profraw
69// Counter value is 72057594037927937
70RUN: printf '\1\0\0\0\0\0\0\1' >> %t-bad.profraw
71RUN: printf '\3\0foo\0\0\0' >> %t-bad.profraw
72
73RUN: printf '\1\0\0\0\0\0\0\0' >> %t-good.profraw
74RUN: printf '\0\0\0\0\0\0\0\0' >> %t-good.profraw
75// Counter value is 72057594037927937
76RUN: printf '\1\0\0\0\0\0\0\0' >> %t-good.profraw
77RUN: printf '\3\0foo\0\0\0' >> %t-good.profraw
78
79// llvm-profdata fails if there is a warning for any input file under default failure mode (any).
80RUN: not llvm-profdata merge %t-bad.profraw %t-good.profraw -o %t.profdata 2>&1 | FileCheck %s --check-prefix=ANY
81ANY: {{.*}} excessively large counter value suggests corrupted profile data: 72057594037927937
82
83// -failure-mode=all only fails if there is a warning for every input file.
84RUN: not llvm-profdata merge %t-bad.profraw -failure-mode=all -o %t.profdata 2>&1 | FileCheck %s --check-prefix=ALL-ERR
85ALL-ERR: {{.*}} excessively large counter value suggests corrupted profile data: 72057594037927937
86
87RUN: llvm-profdata merge %t-bad.profraw %t-good.profraw -failure-mode=all -o %t.profdata 2>&1 | FileCheck %s --check-prefix=ALL-WARN
88ALL-WARN: {{.*}} excessively large counter value suggests corrupted profile data: 72057594037927937
89
90// -failure-mode=warn does not fail at all. It only prints warnings.
91RUN: llvm-profdata merge %t-bad.profraw -failure-mode=warn -o %t.profdata 2>&1 | FileCheck %s --check-prefix=WARN
92WARN: {{.*}} excessively large counter value suggests corrupted profile data: 72057594037927937
93