From 4f472a886782431387d55f234584080f3a4f9a96 Mon Sep 17 00:00:00 2001 From: Akira Hatanaka Date: Fri, 29 Jan 2016 05:55:09 +0000 Subject: [llvm-bcanalyzer] Dump bitcode wrapper header This patch enables llvm-bcanalyzer to print the bitcode wrapper header if the file has one, which is needed to test the changes made in r258627 (bitcode-wrapper-header-armv7m.ll is the test case for r258627). Differential Revision: http://reviews.llvm.org/D16642 llvm-svn: 259162 --- llvm/lib/Bitcode/Writer/BitcodeWriter.cpp | 12 ++++-------- 1 file changed, 4 insertions(+), 8 deletions(-) (limited to 'llvm/lib/Bitcode/Writer/BitcodeWriter.cpp') diff --git a/llvm/lib/Bitcode/Writer/BitcodeWriter.cpp b/llvm/lib/Bitcode/Writer/BitcodeWriter.cpp index c3a7411353b..3f1d2683532 100644 --- a/llvm/lib/Bitcode/Writer/BitcodeWriter.cpp +++ b/llvm/lib/Bitcode/Writer/BitcodeWriter.cpp @@ -2966,10 +2966,6 @@ static void WriteModule(const Module *M, BitstreamWriter &Stream, /// uint32_t CPUType; // CPU specifier. /// ... potentially more later ... /// }; -enum { - DarwinBCSizeFieldOffset = 3*4, // Offset to bitcode_size. - DarwinBCHeaderSize = 5*4 -}; static void WriteInt32ToBuffer(uint32_t Value, SmallVectorImpl &Buffer, uint32_t &Position) { @@ -3005,10 +3001,10 @@ static void EmitDarwinBCHeaderAndTrailer(SmallVectorImpl &Buffer, CPUType = DARWIN_CPU_TYPE_ARM; // Traditional Bitcode starts after header. - assert(Buffer.size() >= DarwinBCHeaderSize && + assert(Buffer.size() >= BWH_HeaderSize && "Expected header size to be reserved"); - unsigned BCOffset = DarwinBCHeaderSize; - unsigned BCSize = Buffer.size()-DarwinBCHeaderSize; + unsigned BCOffset = BWH_HeaderSize; + unsigned BCSize = Buffer.size() - BWH_HeaderSize; // Write the magic and version. unsigned Position = 0; @@ -3046,7 +3042,7 @@ void llvm::WriteBitcodeToFile(const Module *M, raw_ostream &Out, // header. Triple TT(M->getTargetTriple()); if (TT.isOSDarwin() || TT.isOSBinFormatMachO()) - Buffer.insert(Buffer.begin(), DarwinBCHeaderSize, 0); + Buffer.insert(Buffer.begin(), BWH_HeaderSize, 0); // Emit the module into the buffer. { -- cgit v1.2.3