//
//===----------------------------------------------------------------------===//
+#include "llvm/ADT/ArrayRef.h"
+#include "llvm/ADT/OwningPtr.h"
#include "llvm/Module.h"
#include "llvm/InstrTypes.h"
#include "llvm/Analysis/ProfileDataLoader.h"
#include "llvm/Analysis/ProfileDataTypes.h"
#include "llvm/Support/raw_ostream.h"
+#include "llvm/Support/system_error.h"
#include <cstdio>
#include <cstdlib>
using namespace llvm;
return O << BB->getName();
}
-raw_ostream& operator<<(raw_ostream &O, std::pair<const BasicBlock *, const BasicBlock *> E) {
+raw_ostream& operator<<(raw_ostream &O, std::pair<const BasicBlock *,
+ const BasicBlock *> E) {
O << "(";
if (E.first)
} // namespace llvm
-/// ByteSwap - Byteswap 'Var' if 'Really' is true. Required when the compiler
-/// host and target have different endianness.
-static inline unsigned ByteSwap(unsigned Var, bool Really) {
- if (!Really) return Var;
+/// ByteSwap - Byteswap 'Var'. Required when the compiler host and target have
+/// different endianness.
+static inline unsigned ByteSwap(unsigned Var) {
return ((Var & (255U<< 0U)) << 24U) |
((Var & (255U<< 8U)) << 8U) |
((Var & (255U<<16U)) >> 8U) |
// Saturate to the maximum storable value. This could change taken/nottaken
// ratios, but is presumably better than wrapping and thus potentially
// inverting ratios.
- unsigned long long tmp = (unsigned long long)A + (unsigned long long)B;
- if (tmp > (unsigned long long)ProfileDataLoader::MaxCount)
+ uint64_t tmp = (uint64_t)A + (uint64_t)B;
+ if (tmp > (uint64_t)ProfileDataLoader::MaxCount)
tmp = ProfileDataLoader::MaxCount;
return (unsigned)tmp;
}
/// ReadProfilingData - Load 'NumEntries' items of type 'T' from file 'F'
-template <typename T>
+template <typename T, unsigned N>
static void ReadProfilingData(const char *ToolName, FILE *F,
- std::vector<T> &Data, size_t NumEntries) {
+ SmallVector<T, N> &Data, size_t NumEntries) {
// Read in the block of data...
if (fread(&Data[0], sizeof(T), NumEntries, F) != NumEntries) {
- errs() << ToolName << ": profiling data truncated!\n";
- perror(0);
- exit(1);
+ report_fatal_error(std::string(ToolName) + ": Profiling data truncated");
}
}
/// packet.
static unsigned ReadProfilingNumEntries(const char *ToolName, FILE *F,
bool ShouldByteSwap) {
- std::vector<unsigned> NumEntries(1);
- ReadProfilingData<unsigned>(ToolName, F, NumEntries, 1);
- return ByteSwap(NumEntries[0], ShouldByteSwap);
+ SmallVector<unsigned, 1> NumEntries(1);
+ ReadProfilingData<unsigned, 1>(ToolName, F, NumEntries, 1);
+ return ShouldByteSwap ? ByteSwap(NumEntries[0]) : NumEntries[0];
}
/// ReadProfilingBlock - Read the number of entries in the next profiling data
/// packet and then accumulate the entries into 'Data'.
static void ReadProfilingBlock(const char *ToolName, FILE *F,
bool ShouldByteSwap,
- std::vector<unsigned> &Data) {
+ SmallVector<unsigned, 32> &Data) {
// Read the number of entries...
unsigned NumEntries = ReadProfilingNumEntries(ToolName, F, ShouldByteSwap);
// Read in the data.
- std::vector<unsigned> TempSpace(NumEntries);
- ReadProfilingData<unsigned>(ToolName, F, TempSpace, (size_t)NumEntries);
+ SmallVector<unsigned, 8> TempSpace(NumEntries);
+ ReadProfilingData<unsigned, 8>(ToolName, F, TempSpace, (size_t)NumEntries);
// Make sure we have enough space ...
if (Data.size() < NumEntries)
Data.resize(NumEntries, ProfileDataLoader::Uncounted);
// Accumulate the data we just read into the existing data.
- for (unsigned i = 0; i < NumEntries; ++i) {
- Data[i] = AddCounts(ByteSwap(TempSpace[i], ShouldByteSwap), Data[i]);
- }
+ for (unsigned i = 0; i < NumEntries; ++i)
+ Data[i] = AddCounts(ShouldByteSwap ? ByteSwap(TempSpace[i]) : TempSpace[i],
+ Data[i]);
}
/// ReadProfilingArgBlock - Read the command line arguments that the progam was
/// run with when the current profiling data packet(s) were generated.
static void ReadProfilingArgBlock(const char *ToolName, FILE *F,
bool ShouldByteSwap,
- std::vector<std::string> &CommandLines) {
+ SmallVector<std::string, 1> &CommandLines) {
// Read the number of bytes ...
unsigned ArgLength = ReadProfilingNumEntries(ToolName, F, ShouldByteSwap);
// Read in the arguments (if there are any to read). Round up the length to
// the nearest 4-byte multiple.
- std::vector<char> Args(ArgLength+4);
+ SmallVector<char, 8> Args(ArgLength+4);
if (ArgLength)
- ReadProfilingData<char>(ToolName, F, Args, (ArgLength+3) & ~3);
+ ReadProfilingData<char, 8>(ToolName, F, Args, (ArgLength+3) & ~3);
// Store the arguments.
CommandLines.push_back(std::string(&Args[0], &Args[ArgLength]));
const unsigned ProfileDataLoader::Uncounted = ~0U;
const unsigned ProfileDataLoader::MaxCount = ~0U - 1U;
-/// ProfileDataLoader ctor - Read the specified profiling data file, exiting
-/// the program if the file is invalid or broken.
+/// ProfileDataLoader ctor - Read the specified profiling data file, reporting
+/// a fatal error if the file is invalid or broken.
ProfileDataLoader::ProfileDataLoader(const char *ToolName,
const std::string &Filename)
: Filename(Filename) {
FILE *F = fopen(Filename.c_str(), "rb");
- if (F == 0) {
- errs() << ToolName << ": Error opening '" << Filename << "': ";
- perror(0);
- exit(1);
- }
+ if (F == 0)
+ report_fatal_error(std::string(ToolName) + ": Error opening '" +
+ Filename + "': ");
// Keep reading packets until we run out of them.
unsigned PacketType;
// information. This can happen when the compiler host and target have
// different endianness.
bool ShouldByteSwap = (char)PacketType == 0;
- PacketType = ByteSwap(PacketType, ShouldByteSwap);
+ PacketType = ShouldByteSwap ? ByteSwap(PacketType) : PacketType;
switch (PacketType) {
case ArgumentInfo:
break;
default:
- errs() << ToolName << ": Unknown packet type #" << PacketType << "!\n";
- exit(1);
+ report_fatal_error(std::string(ToolName)
+ + ": Unknown profiling packet type");
+ break;
}
}
projects / oota-llvm.git / blobdiff