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authorChris Lattner <sabre@nondot.org>2007-05-05 00:17:42 +0000
committerChris Lattner <sabre@nondot.org>2007-05-05 00:17:42 +0000
commit1772b12d1332c7fb23155c20e7eeeed92200d053 (patch)
tree4a98d462c0f8e7ac86958800470993438eca848e /tools/llvm-bcanalyzer
parente17b658c792abd4a1552144b8a8808e44970da76 (diff)
downloadexternal_llvm-1772b12d1332c7fb23155c20e7eeeed92200d053.zip
external_llvm-1772b12d1332c7fb23155c20e7eeeed92200d053.tar.gz
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update to new APIs, make output a bit (haha) nicer
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@36768 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'tools/llvm-bcanalyzer')
-rw-r--r--tools/llvm-bcanalyzer/llvm-bcanalyzer.cpp40
1 files changed, 35 insertions, 5 deletions
diff --git a/tools/llvm-bcanalyzer/llvm-bcanalyzer.cpp b/tools/llvm-bcanalyzer/llvm-bcanalyzer.cpp
index d33960f..4390f4d 100644
--- a/tools/llvm-bcanalyzer/llvm-bcanalyzer.cpp
+++ b/tools/llvm-bcanalyzer/llvm-bcanalyzer.cpp
@@ -75,6 +75,13 @@ static enum {
/// GetBlockName - Return a symbolic block name if known, otherwise return
/// null.
static const char *GetBlockName(unsigned BlockID) {
+ // Standard blocks for all bitcode files.
+ if (BlockID < bitc::FIRST_APPLICATION_BLOCKID) {
+ if (BlockID == bitc::BLOCKINFO_BLOCK_ID)
+ return "BLOCKINFO_BLOCK";
+ return 0;
+ }
+
if (CurStreamType != LLVMIRBitstream) return 0;
switch (BlockID) {
@@ -92,6 +99,18 @@ static const char *GetBlockName(unsigned BlockID) {
/// GetCodeName - Return a symbolic code name if known, otherwise return
/// null.
static const char *GetCodeName(unsigned CodeID, unsigned BlockID) {
+ // Standard blocks for all bitcode files.
+ if (BlockID < bitc::FIRST_APPLICATION_BLOCKID) {
+ if (BlockID == bitc::BLOCKINFO_BLOCK_ID) {
+ switch (CodeID) {
+ default: return 0;
+ case bitc::MODULE_CODE_VERSION: return "VERSION";
+ }
+ }
+ return 0;
+ }
+
+
if (CurStreamType != LLVMIRBitstream) return 0;
switch (BlockID) {
@@ -231,6 +250,7 @@ static bool Error(const std::string &Err) {
/// ParseBlock - Read a block, updating statistics, etc.
static bool ParseBlock(BitstreamReader &Stream, unsigned IndentLevel) {
+ std::string Indent(IndentLevel*2, ' ');
uint64_t BlockBitStart = Stream.GetCurrentBitNo();
unsigned BlockID = Stream.ReadSubBlockID();
@@ -239,11 +259,20 @@ static bool ParseBlock(BitstreamReader &Stream, unsigned IndentLevel) {
BlockStats.NumInstances++;
+ // BLOCKINFO is a special part of the stream.
+ if (BlockID == bitc::BLOCKINFO_BLOCK_ID) {
+ if (Dump) std::cerr << Indent << "<BLOCKINFO_BLOCK/>\n";
+ if (Stream.ReadBlockInfoBlock())
+ return Error("Malformed BlockInfoBlock");
+ uint64_t BlockBitEnd = Stream.GetCurrentBitNo();
+ BlockStats.NumBits += BlockBitEnd-BlockBitStart;
+ return false;
+ }
+
unsigned NumWords = 0;
- if (Stream.EnterSubBlock(&NumWords))
+ if (Stream.EnterSubBlock(BlockID, &NumWords))
return Error("Malformed block record");
- std::string Indent(IndentLevel*2, ' ');
const char *BlockName = 0;
if (Dump) {
std::cerr << Indent << "<";
@@ -315,7 +344,7 @@ static bool ParseBlock(BitstreamReader &Stream, unsigned IndentLevel) {
for (unsigned i = 0, e = Record.size(); i != e; ++i)
std::cerr << " op" << i << "=" << (int64_t)Record[i];
- std::cerr << ">\n";
+ std::cerr << "/>\n";
}
break;
@@ -418,8 +447,9 @@ static int AnalyzeBitcode() {
<< Stats.NumAbbrevs/(double)Stats.NumInstances << "\n";
std::cerr << " Tot/Avg Records: " << Stats.NumRecords << "/"
<< Stats.NumRecords/(double)Stats.NumInstances << "\n";
- std::cerr << " % Abbrev Recs: " << (Stats.NumAbbreviatedRecords/
- (double)Stats.NumRecords)*100 << "\n";
+ if (Stats.NumRecords)
+ std::cerr << " % Abbrev Recs: " << (Stats.NumAbbreviatedRecords/
+ (double)Stats.NumRecords)*100 << "\n";
std::cerr << "\n";
}
return 0;