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MC: Change MCFragment::Atom to an MCSymbol, NFC

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Change `MCFragment::Atom` from an `MCSymbolData` to an `MCSymbol`,
moving in the direction of removing the back-pointer.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@237497 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Duncan P. N. Exon Smith
2015-05-16 00:48:58 +00:00
parent a5bb842d95
commit 5f7c1f8415
6 changed files with 50 additions and 46 deletions
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lib/MC/MachObjectWriter.cpp
+1 -6
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@@ -679,8 +679,6 @@ bool MachObjectWriter::IsSymbolRefDifferenceFullyResolvedImpl(
// - addr(atom(B)) - offset(B)
// and the offsets are not relocatable, so the fixup is fully resolved when
// addr(atom(A)) - addr(atom(B)) == 0.
const MCSymbolData *A_Base = nullptr, *B_Base = nullptr;
const MCSymbol &SA = findAliasedSymbol(DataA.getSymbol());
const MCSection &SecA = SA.getSection();
const MCSection &SecB = FB.getParent()->getSection();
@@ -733,11 +731,8 @@ bool MachObjectWriter::IsSymbolRefDifferenceFullyResolvedImpl(
if (!FA)
return false;
A_Base = FA->getAtom();
B_Base = FB.getAtom();
// If the atoms are the same, they are guaranteed to have the same address.
if (A_Base == B_Base)
if (FA->getAtom() == FB.getAtom())
return true;
// Otherwise, we can't prove this is fully resolved.