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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. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@61030 91177308-0d34-0410-b5e6-96231b3b80d8
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@ -128,7 +128,8 @@ static void WriteAttributeTable(const ValueEnumerator &VE,
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// 5-bit log2 encoded value. Shift the bits above the alignment up by
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// 11 bits.
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uint64_t FauxAttr = PAWI.Attrs & 0xffff;
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FauxAttr |= (1ull<<16)<<((PAWI.Attrs & Attribute::Alignment) >> 16);
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if (PAWI.Attrs & Attribute::Alignment)
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FauxAttr |= (1ull<<16)<<(((PAWI.Attrs & Attribute::Alignment)-1) >> 16);
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FauxAttr |= (PAWI.Attrs & (0x3FFull << 21)) << 11;
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Record.push_back(FauxAttr);
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