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llvm-mirror/lib/MC/MCObjectWriter.cpp
Chandler Carruth eb66b33867 Sort the remaining #include lines in include/... and lib/....
I did this a long time ago with a janky python script, but now
clang-format has built-in support for this. I fed clang-format every
line with a #include and let it re-sort things according to the precise
LLVM rules for include ordering baked into clang-format these days.

I've reverted a number of files where the results of sorting includes
isn't healthy. Either places where we have legacy code relying on
particular include ordering (where possible, I'll fix these separately)
or where we have particular formatting around #include lines that
I didn't want to disturb in this patch.

This patch is *entirely* mechanical. If you get merge conflicts or
anything, just ignore the changes in this patch and run clang-format
over your #include lines in the files.

Sorry for any noise here, but it is important to keep these things
stable. I was seeing an increasing number of patches with irrelevant
re-ordering of #include lines because clang-format was used. This patch
at least isolates that churn, makes it easy to skip when resolving
conflicts, and gets us to a clean baseline (again).

llvm-svn: 304787
2017-06-06 11:49:48 +00:00

54 lines
1.8 KiB
C++

//===- lib/MC/MCObjectWriter.cpp - MCObjectWriter implementation ----------===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#include "llvm/MC/MCObjectWriter.h"
#include "llvm/MC/MCAssembler.h"
#include "llvm/MC/MCExpr.h"
#include "llvm/MC/MCFragment.h"
#include "llvm/MC/MCSymbol.h"
using namespace llvm;
MCObjectWriter::~MCObjectWriter() = default;
bool MCObjectWriter::isSymbolRefDifferenceFullyResolved(
const MCAssembler &Asm, const MCSymbolRefExpr *A, const MCSymbolRefExpr *B,
bool InSet) const {
// Modified symbol references cannot be resolved.
if (A->getKind() != MCSymbolRefExpr::VK_None ||
B->getKind() != MCSymbolRefExpr::VK_None)
return false;
const MCSymbol &SA = A->getSymbol();
const MCSymbol &SB = B->getSymbol();
if (SA.isUndefined() || SB.isUndefined())
return false;
if (!SA.getFragment() || !SB.getFragment())
return false;
return isSymbolRefDifferenceFullyResolvedImpl(Asm, SA, SB, InSet);
}
bool MCObjectWriter::isSymbolRefDifferenceFullyResolvedImpl(
const MCAssembler &Asm, const MCSymbol &A, const MCSymbol &B,
bool InSet) const {
return isSymbolRefDifferenceFullyResolvedImpl(Asm, A, *B.getFragment(), InSet,
false);
}
bool MCObjectWriter::isSymbolRefDifferenceFullyResolvedImpl(
const MCAssembler &Asm, const MCSymbol &SymA, const MCFragment &FB,
bool InSet, bool IsPCRel) const {
const MCSection &SecA = SymA.getSection();
const MCSection &SecB = *FB.getParent();
// On ELF and COFF A - B is absolute if A and B are in the same section.
return &SecA == &SecB;
}