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authordim <dim@FreeBSD.org>2015-12-30 13:13:10 +0000
committerdim <dim@FreeBSD.org>2015-12-30 13:13:10 +0000
commit9b5bf5c4f53d65d6a48722d7410ed7cb15f5ba3a (patch)
treeb466a4817f79516eb1df8eae92bccf62ecc84003 /contrib/llvm/lib/CodeGen/AsmPrinter/DIEHash.cpp
parentf09a28d1de99fda4f5517fb12670fc36552f4927 (diff)
parente194cd6d03d91631334d9d5e55b506036f423cc8 (diff)
downloadFreeBSD-src-9b5bf5c4f53d65d6a48722d7410ed7cb15f5ba3a.zip
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Update llvm to trunk r256633.
Diffstat (limited to 'contrib/llvm/lib/CodeGen/AsmPrinter/DIEHash.cpp')
-rw-r--r--contrib/llvm/lib/CodeGen/AsmPrinter/DIEHash.cpp32
1 files changed, 0 insertions, 32 deletions
diff --git a/contrib/llvm/lib/CodeGen/AsmPrinter/DIEHash.cpp b/contrib/llvm/lib/CodeGen/AsmPrinter/DIEHash.cpp
index 5e60156..0201065 100644
--- a/contrib/llvm/lib/CodeGen/AsmPrinter/DIEHash.cpp
+++ b/contrib/llvm/lib/CodeGen/AsmPrinter/DIEHash.cpp
@@ -470,38 +470,6 @@ void DIEHash::computeHash(const DIE &Die) {
}
/// This is based on the type signature computation given in section 7.27 of the
-/// DWARF4 standard. It is the md5 hash of a flattened description of the DIE
-/// with the exception that we are hashing only the context and the name of the
-/// type.
-uint64_t DIEHash::computeDIEODRSignature(const DIE &Die) {
-
- // Add the contexts to the hash. We won't be computing the ODR hash for
- // function local types so it's safe to use the generic context hashing
- // algorithm here.
- // FIXME: If we figure out how to account for linkage in some way we could
- // actually do this with a slight modification to the parent hash algorithm.
- if (const DIE *Parent = Die.getParent())
- addParentContext(*Parent);
-
- // Add the current DIE information.
-
- // Add the DWARF tag of the DIE.
- addULEB128(Die.getTag());
-
- // Add the name of the type to the hash.
- addString(getDIEStringAttr(Die, dwarf::DW_AT_name));
-
- // Now get the result.
- MD5::MD5Result Result;
- Hash.final(Result);
-
- // ... take the least significant 8 bytes and return those. Our MD5
- // implementation always returns its results in little endian, swap bytes
- // appropriately.
- return support::endian::read64le(Result + 8);
-}
-
-/// This is based on the type signature computation given in section 7.27 of the
/// DWARF4 standard. It is an md5 hash of the flattened description of the DIE
/// with the inclusion of the full CU and all top level CU entities.
// TODO: Initialize the type chain at 0 instead of 1 for CU signatures.
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