Changes in directory llvm/lib/Bitcode/Writer:
BitcodeWriter.cpp updated: 1.29 -> 1.30
---
Log message:
stub out creation of BLOCKINFO_BLOCK
---
Diffs of the changes: (+25 -0)
BitcodeWriter.cpp | 25 +++++++++++++++++++++++++
1 files changed, 25 insertions(+)
Index: llvm/lib/Bitcode/Writer/BitcodeWriter.cpp
diff -u llvm/lib/Bitcode/Writer/BitcodeWriter.cpp:1.29
llvm/lib/Bitcode/Writer/BitcodeWriter.cpp:1.30
--- llvm/lib/Bitcode/Writer/BitcodeWriter.cpp:1.29 Thu May 3 22:52:24 2007
+++ llvm/lib/Bitcode/Writer/BitcodeWriter.cpp Fri May 4 13:26:27 2007
@@ -858,6 +858,28 @@
Stream.ExitBlock();
}
+// Emit blockinfo, which defines the standard abbreviations etc.
+static void WriteBlockInfo(BitstreamWriter &Stream) {
+ // We only want to emit block info records for blocks that have multiple
+ // instances: CONSTANTS_BLOCK, FUNCTION_BLOCK and VALUE_SYMTAB_BLOCK. Other
+ // blocks can defined their abbrevs inline.
+ Stream.EnterSubblock(bitc::BLOCKINFO_BLOCK_ID, 2);
+
+#if 0
+ // Configure TYPE_SYMTAB_BLOCK's.
+
+ // Add an abbrev for VST_ENTRY where the characters each fit in 7 bits.
+ BitCodeAbbrev *Abbv = new BitCodeAbbrev();
+ Abbv->Add(BitCodeAbbrevOp(bitc::VST_CODE_ENTRY));
+ Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 8); // Value ID
+ Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::FixedWidth, 3)); // Linkage.
+
+ xxx = Stream.EmitAbbrev(Abbv);
+#endif
+ Stream.ExitBlock();
+}
+
+
/// WriteBitcodeToFile - Write the specified module to the specified output
/// stream.
void llvm::WriteBitcodeToFile(const Module *M, std::ostream &Out) {
@@ -874,6 +896,9 @@
Stream.Emit(0xE, 4);
Stream.Emit(0xD, 4);
+ // Emit blockinfo, which defines the standard abbreviations etc.
+ WriteBlockInfo(Stream);
+
// Emit the module.
WriteModule(M, Stream);
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