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| author | Nick Lewycky <nicholas@mxc.ca> | 2008-12-15 07:29:55 +0000 |
|---|---|---|
| committer | Nick Lewycky <nicholas@mxc.ca> | 2008-12-15 07:29:55 +0000 |
| commit | 8d2ea18346b1f6aef13410424f2a686ffc631108 (patch) | |
| tree | 952fd307c7be6f05e2687dc7c07058e726d5c215 /llvm/lib/Bitcode/Writer/BitcodeWriter.cpp | |
| parent | ac4e120912ebcc3a1eeebaabaf4d4b842431142c (diff) | |
| download | llvm-8d2ea18346b1f6aef13410424f2a686ffc631108.zip llvm-8d2ea18346b1f6aef13410424f2a686ffc631108.tar.gz llvm-8d2ea18346b1f6aef13410424f2a686ffc631108.tar.bz2 | |
It turns out that "align 1" and unaligned are different. Add a bias to the
alignment attribute such that 0 means unaligned.
This will probably require a rebuild of llvm-gcc because of the change to
Attributes.h. If you see many test failures on "make check", please rebuild
your llvm-gcc.
llvm-svn: 61030
Diffstat (limited to 'llvm/lib/Bitcode/Writer/BitcodeWriter.cpp')
| -rw-r--r-- | llvm/lib/Bitcode/Writer/BitcodeWriter.cpp | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/llvm/lib/Bitcode/Writer/BitcodeWriter.cpp b/llvm/lib/Bitcode/Writer/BitcodeWriter.cpp index 0555ed9..adf49a52 100644 --- a/llvm/lib/Bitcode/Writer/BitcodeWriter.cpp +++ b/llvm/lib/Bitcode/Writer/BitcodeWriter.cpp @@ -128,7 +128,8 @@ static void WriteAttributeTable(const ValueEnumerator &VE, // 5-bit log2 encoded value. Shift the bits above the alignment up by // 11 bits. uint64_t FauxAttr = PAWI.Attrs & 0xffff; - FauxAttr |= (1ull<<16)<<((PAWI.Attrs & Attribute::Alignment) >> 16); + if (PAWI.Attrs & Attribute::Alignment) + FauxAttr |= (1ull<<16)<<(((PAWI.Attrs & Attribute::Alignment)-1) >> 16); FauxAttr |= (PAWI.Attrs & (0x3FFull << 21)) << 11; Record.push_back(FauxAttr); |