//
//===----------------------------------------------------------------------===//
+#include "llvm/ADT/OwningPtr.h"
#include "llvm/Analysis/Verifier.h"
#include "llvm/Bitcode/BitstreamReader.h"
#include "llvm/Bitcode/LLVMBitCodes.h"
#include "llvm/Support/ManagedStatic.h"
#include "llvm/Support/MemoryBuffer.h"
#include "llvm/Support/PrettyStackTrace.h"
+#include "llvm/Support/Signals.h"
#include "llvm/Support/raw_ostream.h"
-#include "llvm/System/Signals.h"
-#include <cstdio>
-#include <map>
+#include "llvm/Support/system_error.h"
#include <algorithm>
+#include <map>
using namespace llvm;
static cl::opt<std::string>
InputFilename(cl::Positional, cl::desc("<input bitcode>"), cl::init("-"));
-static cl::opt<std::string>
- OutputFilename("-o", cl::init("-"), cl::desc("<output file>"));
-
static cl::opt<bool> Dump("dump", cl::desc("Dump low level bitcode trace"));
//===----------------------------------------------------------------------===//
static cl::opt<bool>
NonSymbolic("non-symbolic",
- cl::desc("Emit numberic info in dump even if"
+ cl::desc("Emit numeric info in dump even if"
" symbolic info is available"));
-/// CurStreamType - If we can sniff the flavor of this stream, we can produce
-/// better dump info.
-static enum {
+namespace {
+
+/// CurStreamTypeType - A type for CurStreamType
+enum CurStreamTypeType {
UnknownBitstream,
LLVMIRBitstream
-} CurStreamType;
+};
+
+}
+
+/// CurStreamType - If we can sniff the flavor of this stream, we can produce
+/// better dump info.
+static CurStreamTypeType CurStreamType;
/// GetBlockName - Return a symbolic block name if known, otherwise return
default: return 0;
case bitc::MODULE_BLOCK_ID: return "MODULE_BLOCK";
case bitc::PARAMATTR_BLOCK_ID: return "PARAMATTR_BLOCK";
- case bitc::TYPE_BLOCK_ID: return "TYPE_BLOCK";
+ case bitc::TYPE_BLOCK_ID_NEW: return "TYPE_BLOCK_ID";
case bitc::CONSTANTS_BLOCK_ID: return "CONSTANTS_BLOCK";
case bitc::FUNCTION_BLOCK_ID: return "FUNCTION_BLOCK";
- case bitc::TYPE_SYMTAB_BLOCK_ID: return "TYPE_SYMTAB";
case bitc::VALUE_SYMTAB_BLOCK_ID: return "VALUE_SYMTAB";
case bitc::METADATA_BLOCK_ID: return "METADATA_BLOCK";
case bitc::METADATA_ATTACHMENT_ID: return "METADATA_ATTACHMENT_BLOCK";
+ case bitc::USELIST_BLOCK_ID: return "USELIST_BLOCK_ID";
}
}
case bitc::MODULE_CODE_DATALAYOUT: return "DATALAYOUT";
case bitc::MODULE_CODE_ASM: return "ASM";
case bitc::MODULE_CODE_SECTIONNAME: return "SECTIONNAME";
- case bitc::MODULE_CODE_DEPLIB: return "DEPLIB";
+ case bitc::MODULE_CODE_DEPLIB: return "DEPLIB"; // FIXME: Remove in 4.0
case bitc::MODULE_CODE_GLOBALVAR: return "GLOBALVAR";
case bitc::MODULE_CODE_FUNCTION: return "FUNCTION";
case bitc::MODULE_CODE_ALIAS: return "ALIAS";
default: return 0;
case bitc::PARAMATTR_CODE_ENTRY: return "ENTRY";
}
- case bitc::TYPE_BLOCK_ID:
+ case bitc::TYPE_BLOCK_ID_NEW:
switch (CodeID) {
default: return 0;
- case bitc::TYPE_CODE_NUMENTRY: return "NUMENTRY";
- case bitc::TYPE_CODE_VOID: return "VOID";
- case bitc::TYPE_CODE_FLOAT: return "FLOAT";
- case bitc::TYPE_CODE_DOUBLE: return "DOUBLE";
- case bitc::TYPE_CODE_LABEL: return "LABEL";
- case bitc::TYPE_CODE_OPAQUE: return "OPAQUE";
- case bitc::TYPE_CODE_INTEGER: return "INTEGER";
- case bitc::TYPE_CODE_POINTER: return "POINTER";
- case bitc::TYPE_CODE_FUNCTION: return "FUNCTION";
- case bitc::TYPE_CODE_STRUCT: return "STRUCT";
- case bitc::TYPE_CODE_ARRAY: return "ARRAY";
- case bitc::TYPE_CODE_VECTOR: return "VECTOR";
- case bitc::TYPE_CODE_X86_FP80: return "X86_FP80";
- case bitc::TYPE_CODE_FP128: return "FP128";
- case bitc::TYPE_CODE_PPC_FP128: return "PPC_FP128";
- case bitc::TYPE_CODE_METADATA: return "METADATA";
+ case bitc::TYPE_CODE_NUMENTRY: return "NUMENTRY";
+ case bitc::TYPE_CODE_VOID: return "VOID";
+ case bitc::TYPE_CODE_FLOAT: return "FLOAT";
+ case bitc::TYPE_CODE_DOUBLE: return "DOUBLE";
+ case bitc::TYPE_CODE_LABEL: return "LABEL";
+ case bitc::TYPE_CODE_OPAQUE: return "OPAQUE";
+ case bitc::TYPE_CODE_INTEGER: return "INTEGER";
+ case bitc::TYPE_CODE_POINTER: return "POINTER";
+ case bitc::TYPE_CODE_ARRAY: return "ARRAY";
+ case bitc::TYPE_CODE_VECTOR: return "VECTOR";
+ case bitc::TYPE_CODE_X86_FP80: return "X86_FP80";
+ case bitc::TYPE_CODE_FP128: return "FP128";
+ case bitc::TYPE_CODE_PPC_FP128: return "PPC_FP128";
+ case bitc::TYPE_CODE_METADATA: return "METADATA";
+ case bitc::TYPE_CODE_STRUCT_ANON: return "STRUCT_ANON";
+ case bitc::TYPE_CODE_STRUCT_NAME: return "STRUCT_NAME";
+ case bitc::TYPE_CODE_STRUCT_NAMED: return "STRUCT_NAMED";
+ case bitc::TYPE_CODE_FUNCTION: return "FUNCTION";
}
case bitc::CONSTANTS_BLOCK_ID:
case bitc::CST_CODE_CE_CMP: return "CE_CMP";
case bitc::CST_CODE_INLINEASM: return "INLINEASM";
case bitc::CST_CODE_CE_SHUFVEC_EX: return "CE_SHUFVEC_EX";
+ case bitc::CST_CODE_BLOCKADDRESS: return "CST_CODE_BLOCKADDRESS";
+ case bitc::CST_CODE_DATA: return "DATA";
}
case bitc::FUNCTION_BLOCK_ID:
switch (CodeID) {
case bitc::FUNC_CODE_INST_BR: return "INST_BR";
case bitc::FUNC_CODE_INST_SWITCH: return "INST_SWITCH";
case bitc::FUNC_CODE_INST_INVOKE: return "INST_INVOKE";
- case bitc::FUNC_CODE_INST_UNWIND: return "INST_UNWIND";
case bitc::FUNC_CODE_INST_UNREACHABLE: return "INST_UNREACHABLE";
case bitc::FUNC_CODE_INST_PHI: return "INST_PHI";
- case bitc::FUNC_CODE_INST_MALLOC: return "INST_MALLOC";
- case bitc::FUNC_CODE_INST_FREE: return "INST_FREE";
case bitc::FUNC_CODE_INST_ALLOCA: return "INST_ALLOCA";
case bitc::FUNC_CODE_INST_LOAD: return "INST_LOAD";
- case bitc::FUNC_CODE_INST_STORE: return "INST_STORE";
- case bitc::FUNC_CODE_INST_CALL: return "INST_CALL";
case bitc::FUNC_CODE_INST_VAARG: return "INST_VAARG";
- case bitc::FUNC_CODE_INST_STORE2: return "INST_STORE2";
- case bitc::FUNC_CODE_INST_GETRESULT: return "INST_GETRESULT";
+ case bitc::FUNC_CODE_INST_STORE: return "INST_STORE";
case bitc::FUNC_CODE_INST_EXTRACTVAL: return "INST_EXTRACTVAL";
case bitc::FUNC_CODE_INST_INSERTVAL: return "INST_INSERTVAL";
case bitc::FUNC_CODE_INST_CMP2: return "INST_CMP2";
case bitc::FUNC_CODE_INST_VSELECT: return "INST_VSELECT";
- case bitc::FUNC_CODE_DEBUG_LOC: return "DEBUG_LOC";
case bitc::FUNC_CODE_DEBUG_LOC_AGAIN: return "DEBUG_LOC_AGAIN";
- }
- case bitc::TYPE_SYMTAB_BLOCK_ID:
- switch (CodeID) {
- default: return 0;
- case bitc::TST_CODE_ENTRY: return "ENTRY";
+ case bitc::FUNC_CODE_INST_CALL: return "INST_CALL";
+ case bitc::FUNC_CODE_DEBUG_LOC: return "DEBUG_LOC";
}
case bitc::VALUE_SYMTAB_BLOCK_ID:
switch (CodeID) {
case bitc::METADATA_ATTACHMENT_ID:
switch(CodeID) {
default:return 0;
- case bitc::METADATA_ATTACHMENT: return "METADATA_ATTACHMENT";
+ case bitc::METADATA_ATTACHMENT: return "METADATA_ATTACHMENT";
}
case bitc::METADATA_BLOCK_ID:
switch(CodeID) {
default:return 0;
- case bitc::METADATA_STRING: return "MDSTRING";
- case bitc::METADATA_NODE: return "MDNODE";
- case bitc::METADATA_FN_NODE: return "FN_MDNODE";
+ case bitc::METADATA_STRING: return "METADATA_STRING";
case bitc::METADATA_NAME: return "METADATA_NAME";
- case bitc::METADATA_NAMED_NODE: return "NAMEDMDNODE";
case bitc::METADATA_KIND: return "METADATA_KIND";
- case bitc::METADATA_ATTACHMENT: return "METADATA_ATTACHMENT";
+ case bitc::METADATA_NODE: return "METADATA_NODE";
+ case bitc::METADATA_FN_NODE: return "METADATA_FN_NODE";
+ case bitc::METADATA_NAMED_NODE: return "METADATA_NAMED_NODE";
+ }
+ case bitc::USELIST_BLOCK_ID:
+ switch(CodeID) {
+ default:return 0;
+ case bitc::USELIST_CODE_ENTRY: return "USELIST_CODE_ENTRY";
}
}
}
// BLOCKINFO is a special part of the stream.
if (BlockID == bitc::BLOCKINFO_BLOCK_ID) {
- if (Dump) errs() << Indent << "<BLOCKINFO_BLOCK/>\n";
+ if (Dump) outs() << Indent << "<BLOCKINFO_BLOCK/>\n";
if (Stream.ReadBlockInfoBlock())
return Error("Malformed BlockInfoBlock");
uint64_t BlockBitEnd = Stream.GetCurrentBitNo();
const char *BlockName = 0;
if (Dump) {
- errs() << Indent << "<";
+ outs() << Indent << "<";
if ((BlockName = GetBlockName(BlockID, *Stream.getBitStreamReader())))
- errs() << BlockName;
+ outs() << BlockName;
else
- errs() << "UnknownBlock" << BlockID;
+ outs() << "UnknownBlock" << BlockID;
if (NonSymbolic && BlockName)
- errs() << " BlockID=" << BlockID;
+ outs() << " BlockID=" << BlockID;
- errs() << " NumWords=" << NumWords
+ outs() << " NumWords=" << NumWords
<< " BlockCodeSize=" << Stream.GetAbbrevIDWidth() << ">\n";
}
uint64_t BlockBitEnd = Stream.GetCurrentBitNo();
BlockStats.NumBits += BlockBitEnd-BlockBitStart;
if (Dump) {
- errs() << Indent << "</";
+ outs() << Indent << "</";
if (BlockName)
- errs() << BlockName << ">\n";
+ outs() << BlockName << ">\n";
else
- errs() << "UnknownBlock" << BlockID << ">\n";
+ outs() << "UnknownBlock" << BlockID << ">\n";
}
return false;
}
BlockStats.CodeFreq[Code].NumAbbrev++;
if (Dump) {
- errs() << Indent << " <";
+ outs() << Indent << " <";
if (const char *CodeName =
GetCodeName(Code, BlockID, *Stream.getBitStreamReader()))
- errs() << CodeName;
+ outs() << CodeName;
else
- errs() << "UnknownCode" << Code;
+ outs() << "UnknownCode" << Code;
if (NonSymbolic &&
GetCodeName(Code, BlockID, *Stream.getBitStreamReader()))
- errs() << " codeid=" << Code;
+ outs() << " codeid=" << Code;
if (AbbrevID != bitc::UNABBREV_RECORD)
- errs() << " abbrevid=" << AbbrevID;
+ outs() << " abbrevid=" << AbbrevID;
for (unsigned i = 0, e = Record.size(); i != e; ++i)
- errs() << " op" << i << "=" << (int64_t)Record[i];
+ outs() << " op" << i << "=" << (int64_t)Record[i];
- errs() << "/>";
+ outs() << "/>";
if (BlobStart) {
- errs() << " blob data = ";
+ outs() << " blob data = ";
bool BlobIsPrintable = true;
for (unsigned i = 0; i != BlobLen; ++i)
if (!isprint(BlobStart[i])) {
}
if (BlobIsPrintable)
- errs() << "'" << std::string(BlobStart, BlobStart+BlobLen) <<"'";
+ outs() << "'" << std::string(BlobStart, BlobStart+BlobLen) <<"'";
else
- errs() << "unprintable, " << BlobLen << " bytes.";
+ outs() << "unprintable, " << BlobLen << " bytes.";
}
- errs() << "\n";
+ outs() << "\n";
}
break;
}
static void PrintSize(double Bits) {
- fprintf(stderr, "%.2f/%.2fB/%lluW", Bits, Bits/8,(unsigned long long)Bits/32);
+ outs() << format("%.2f/%.2fB/%luW", Bits, Bits/8,(unsigned long)(Bits/32));
}
static void PrintSize(uint64_t Bits) {
- fprintf(stderr, "%llub/%.2fB/%lluW", (unsigned long long)Bits,
- (double)Bits/8, (unsigned long long)Bits/32);
+ outs() << format("%lub/%.2fB/%luW", (unsigned long)Bits,
+ (double)Bits/8, (unsigned long)(Bits/32));
}
/// AnalyzeBitcode - Analyze the bitcode file specified by InputFilename.
static int AnalyzeBitcode() {
// Read the input file.
- MemoryBuffer *MemBuf = MemoryBuffer::getFileOrSTDIN(InputFilename.c_str());
+ OwningPtr<MemoryBuffer> MemBuf;
- if (MemBuf == 0)
- return Error("Error reading '" + InputFilename + "'.");
+ if (error_code ec =
+ MemoryBuffer::getFileOrSTDIN(InputFilename.c_str(), MemBuf))
+ return Error("Error reading '" + InputFilename + "': " + ec.message());
if (MemBuf->getBufferSize() & 3)
return Error("Bitcode stream should be a multiple of 4 bytes in length");
- unsigned char *BufPtr = (unsigned char *)MemBuf->getBufferStart();
- unsigned char *EndBufPtr = BufPtr+MemBuf->getBufferSize();
+ const unsigned char *BufPtr = (const unsigned char *)MemBuf->getBufferStart();
+ const unsigned char *EndBufPtr = BufPtr+MemBuf->getBufferSize();
// If we have a wrapper header, parse it and ignore the non-bc file contents.
// The magic number is 0x0B17C0DE stored in little endian.
if (isBitcodeWrapper(BufPtr, EndBufPtr))
- if (SkipBitcodeWrapperHeader(BufPtr, EndBufPtr))
+ if (SkipBitcodeWrapperHeader(BufPtr, EndBufPtr, true))
return Error("Invalid bitcode wrapper header");
BitstreamReader StreamFile(BufPtr, EndBufPtr);
++NumTopBlocks;
}
- if (Dump) errs() << "\n\n";
+ if (Dump) outs() << "\n\n";
uint64_t BufferSizeBits = (EndBufPtr-BufPtr)*CHAR_BIT;
// Print a summary of the read file.
- errs() << "Summary of " << InputFilename << ":\n";
- errs() << " Total size: ";
+ outs() << "Summary of " << InputFilename << ":\n";
+ outs() << " Total size: ";
PrintSize(BufferSizeBits);
- errs() << "\n";
- errs() << " Stream type: ";
+ outs() << "\n";
+ outs() << " Stream type: ";
switch (CurStreamType) {
- default: assert(0 && "Unknown bitstream type");
- case UnknownBitstream: errs() << "unknown\n"; break;
- case LLVMIRBitstream: errs() << "LLVM IR\n"; break;
+ case UnknownBitstream: outs() << "unknown\n"; break;
+ case LLVMIRBitstream: outs() << "LLVM IR\n"; break;
}
- errs() << " # Toplevel Blocks: " << NumTopBlocks << "\n";
- errs() << "\n";
+ outs() << " # Toplevel Blocks: " << NumTopBlocks << "\n";
+ outs() << "\n";
// Emit per-block stats.
- errs() << "Per-block Summary:\n";
+ outs() << "Per-block Summary:\n";
for (std::map<unsigned, PerBlockIDStats>::iterator I = BlockIDStats.begin(),
E = BlockIDStats.end(); I != E; ++I) {
- errs() << " Block ID #" << I->first;
+ outs() << " Block ID #" << I->first;
if (const char *BlockName = GetBlockName(I->first, StreamFile))
- errs() << " (" << BlockName << ")";
- errs() << ":\n";
+ outs() << " (" << BlockName << ")";
+ outs() << ":\n";
const PerBlockIDStats &Stats = I->second;
- errs() << " Num Instances: " << Stats.NumInstances << "\n";
- errs() << " Total Size: ";
+ outs() << " Num Instances: " << Stats.NumInstances << "\n";
+ outs() << " Total Size: ";
PrintSize(Stats.NumBits);
- errs() << "\n";
+ outs() << "\n";
double pct = (Stats.NumBits * 100.0) / BufferSizeBits;
- errs() << " Percent of file: " << format("%2.4f%%", pct) << "\n";
+ outs() << " Percent of file: " << format("%2.4f%%", pct) << "\n";
if (Stats.NumInstances > 1) {
- errs() << " Average Size: ";
+ outs() << " Average Size: ";
PrintSize(Stats.NumBits/(double)Stats.NumInstances);
- errs() << "\n";
- errs() << " Tot/Avg SubBlocks: " << Stats.NumSubBlocks << "/"
+ outs() << "\n";
+ outs() << " Tot/Avg SubBlocks: " << Stats.NumSubBlocks << "/"
<< Stats.NumSubBlocks/(double)Stats.NumInstances << "\n";
- errs() << " Tot/Avg Abbrevs: " << Stats.NumAbbrevs << "/"
+ outs() << " Tot/Avg Abbrevs: " << Stats.NumAbbrevs << "/"
<< Stats.NumAbbrevs/(double)Stats.NumInstances << "\n";
- errs() << " Tot/Avg Records: " << Stats.NumRecords << "/"
+ outs() << " Tot/Avg Records: " << Stats.NumRecords << "/"
<< Stats.NumRecords/(double)Stats.NumInstances << "\n";
} else {
- errs() << " Num SubBlocks: " << Stats.NumSubBlocks << "\n";
- errs() << " Num Abbrevs: " << Stats.NumAbbrevs << "\n";
- errs() << " Num Records: " << Stats.NumRecords << "\n";
+ outs() << " Num SubBlocks: " << Stats.NumSubBlocks << "\n";
+ outs() << " Num Abbrevs: " << Stats.NumAbbrevs << "\n";
+ outs() << " Num Records: " << Stats.NumRecords << "\n";
}
if (Stats.NumRecords) {
double pct = (Stats.NumAbbreviatedRecords * 100.0) / Stats.NumRecords;
- errs() << " Percent Abbrevs: " << format("%2.4f%%", pct) << "\n";
+ outs() << " Percent Abbrevs: " << format("%2.4f%%", pct) << "\n";
}
- errs() << "\n";
+ outs() << "\n";
// Print a histogram of the codes we see.
if (!NoHistogram && !Stats.CodeFreq.empty()) {
std::stable_sort(FreqPairs.begin(), FreqPairs.end());
std::reverse(FreqPairs.begin(), FreqPairs.end());
- errs() << "\tRecord Histogram:\n";
- fprintf(stderr, "\t\t Count # Bits %% Abv Record Kind\n");
+ outs() << "\tRecord Histogram:\n";
+ outs() << "\t\t Count # Bits %% Abv Record Kind\n";
for (unsigned i = 0, e = FreqPairs.size(); i != e; ++i) {
const PerRecordStats &RecStats = Stats.CodeFreq[FreqPairs[i].second];
- fprintf(stderr, "\t\t%7d %9llu ", RecStats.NumInstances,
- (unsigned long long)RecStats.TotalBits);
+ outs() << format("\t\t%7d %9lu",
+ RecStats.NumInstances,
+ (unsigned long)RecStats.TotalBits);
if (RecStats.NumAbbrev)
- fprintf(stderr, "%7.2f ",
- (double)RecStats.NumAbbrev/RecStats.NumInstances*100);
+ outs() <<
+ format("%7.2f ",
+ (double)RecStats.NumAbbrev/RecStats.NumInstances*100);
else
- fprintf(stderr, " ");
+ outs() << " ";
if (const char *CodeName =
GetCodeName(FreqPairs[i].second, I->first, StreamFile))
- fprintf(stderr, "%s\n", CodeName);
+ outs() << CodeName << "\n";
else
- fprintf(stderr, "UnknownCode%d\n", FreqPairs[i].second);
+ outs() << "UnknownCode" << FreqPairs[i].second << "\n";
}
- errs() << "\n";
+ outs() << "\n";
}
}