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[libFuzzer] Use long long to ensure 64 bits.

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We should always use unsigned long long to ensure 64 bits. On Windows, unsigned
long is 4 bytes. This was the reason why value-profile-cmp4.test was failing on
Windows.

Differential Revision: https://reviews.llvm.org/D29617

llvm-svn: 294390
This commit is contained in:
Marcos Pividori 2017-02-08 00:03:31 +00:00
parent a987f5c9ea
commit f7fe49c66d
3 changed files with 3 additions and 3 deletions
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2
lib/Fuzzer/FuzzerTracePC.cpp
View File

@ -273,7 +273,7 @@ ATTRIBUTE_TARGET_POPCNT ALWAYS_INLINE
ATTRIBUTE_NO_SANITIZE_ALL
void TracePC::HandleCmp(uintptr_t PC, T Arg1, T Arg2) {
uint64_t ArgXor = Arg1 ^ Arg2;
uint64_t ArgDistance = __builtin_popcountl(ArgXor) + 1; // [1,65]
uint64_t ArgDistance = __builtin_popcountll(ArgXor) + 1; // [1,65]
uintptr_t Idx = ((PC & 4095) + 1) * ArgDistance;
if (sizeof(T) == 4)
TORC4.Insert(ArgXor, Arg1, Arg2);

2
lib/Fuzzer/FuzzerValueBitMap.h
View File

@ -68,7 +68,7 @@ struct ValueBitMap {
Other.Map[i] = 0;
}
if (M)
Res += __builtin_popcountl(M);
Res += __builtin_popcountll(M);
}
NumBits = Res;
return OldNumBits < NumBits;

2
lib/Fuzzer/test/AbsNegAndConstant64Test.cpp
View File

@ -14,7 +14,7 @@ extern "C" int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size) {
uint64_t y;
memcpy(&x, Data, sizeof(x));
memcpy(&y, Data + sizeof(x), sizeof(y));
if (labs(x) < 0 && y == 0xbaddcafedeadbeefUL) {
if (llabs(x) < 0 && y == 0xbaddcafedeadbeefULL) {
printf("BINGO; Found the target, exiting; x = 0x%lx y 0x%lx\n", x, y);
exit(1);
}