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| author | Mehdi Amini <mehdi.amini@apple.com> | 2016-12-28 23:45:54 +0000 |
|---|---|---|
| committer | Mehdi Amini <mehdi.amini@apple.com> | 2016-12-28 23:45:54 +0000 |
| commit | 6fc58a7278690266622a2bcd52e2168264824b94 (patch) | |
| tree | 93caf62ed8759573d35457fb3a75366ecc1ae210 /tools/llvm-bcanalyzer | |
| parent | 90bcc71ffb1a67fb53f8ab9e0e380c48336fb878 (diff) | |
Change Metadata Index emission in the bitcode to use 2x32 bits for the placeholder
The Bitstream reader and writer are limited to handle a "size_t" at
most, which means that we can't backpatch and read back a 64bits
value on 32 bits platform.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@290693 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'tools/llvm-bcanalyzer')
| -rw-r--r-- | tools/llvm-bcanalyzer/llvm-bcanalyzer.cpp | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/tools/llvm-bcanalyzer/llvm-bcanalyzer.cpp b/tools/llvm-bcanalyzer/llvm-bcanalyzer.cpp index 3220063275b0..f97a18448f0a 100644 --- a/tools/llvm-bcanalyzer/llvm-bcanalyzer.cpp +++ b/tools/llvm-bcanalyzer/llvm-bcanalyzer.cpp @@ -609,7 +609,12 @@ static bool ParseBlock(BitstreamCursor &Stream, BitstreamBlockInfo &BlockInfo, // and validate its forward reference offset was correct! if (BlockID == bitc::METADATA_BLOCK_ID) { if (Code == bitc::METADATA_INDEX_OFFSET) { - MetadataIndexOffset = Stream.GetCurrentBitNo() + Record[0]; + if (Record.size() != 2) + outs() << "(Invalid record)"; + else { + auto Offset = Record[0] + (Record[1] << 32); + MetadataIndexOffset = Stream.GetCurrentBitNo() + Offset; + } } if (Code == bitc::METADATA_INDEX) { outs() << " (offset "; |