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PowerPC: Simplify handling of fixups.
MCTargetDesc/PPCMCCodeEmitter.cpp current has code like: if (isSVR4ABI() && is64BitMode()) Fixups.push_back(MCFixup::Create(0, MO.getExpr(), (MCFixupKind)PPC::fixup_ppc_toc16)); else Fixups.push_back(MCFixup::Create(0, MO.getExpr(), (MCFixupKind)PPC::fixup_ppc_lo16)); This is a problem for the asm parser, since it requires knowledge of the ABI / 64-bit mode to be set up. However, more fundamentally, at this point we shouldn't make such distinctions anyway; in an assembler file, it always ought to be possible to e.g. generate TOC relocations even when the main ABI is one that doesn't use TOC. Fortunately, this is actually completely unnecessary; that code was added to decide whether to generate TOC relocations, but that information is in fact already encoded in the VariantKind of the underlying symbol. This commit therefore merges those fixup types into one, and then decides which relocation to use based on the VariantKind. No changes in generated code. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@178007 91177308-0d34-0410-b5e6-96231b3b80d8
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