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[C++] Use 'nullptr'. Target edition.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@207197 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Craig Topper
2014-04-25 05:30:21 +00:00
parent 8d7221ccf5
commit c848b1bbcf
189 changed files with 1074 additions and 1051 deletions
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12
lib/Target/X86/X86TargetObjectFile.cpp
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@@ -62,7 +62,7 @@ const MCExpr *X86WindowsTargetObjectFile::getExecutableRelativeSymbol(
// operation.
const SubOperator *Sub = dyn_cast<SubOperator>(CE);
if (!Sub)
return 0;
return nullptr;
// Symbols must first be numbers before we can subtract them, we need to see a
// ptrtoint on both subtraction operands.
@@ -71,13 +71,13 @@ const MCExpr *X86WindowsTargetObjectFile::getExecutableRelativeSymbol(
const PtrToIntOperator *SubRHS =
dyn_cast<PtrToIntOperator>(Sub->getOperand(1));
if (!SubLHS || !SubRHS)
return 0;
return nullptr;
// Our symbols should exist in address space zero, cowardly no-op if
// otherwise.
if (SubLHS->getPointerAddressSpace() != 0 ||
SubRHS->getPointerAddressSpace() != 0)
return 0;
return nullptr;
// Both ptrtoint instructions must wrap global variables:
// - Only global variables are eligible for image relative relocations.
@@ -87,7 +87,7 @@ const MCExpr *X86WindowsTargetObjectFile::getExecutableRelativeSymbol(
const GlobalVariable *GVRHS =
dyn_cast<GlobalVariable>(SubRHS->getPointerOperand());
if (!GVLHS || !GVRHS)
return 0;
return nullptr;
// We expect __ImageBase to be a global variable without a section, externally
// defined.
@@ -96,11 +96,11 @@ const MCExpr *X86WindowsTargetObjectFile::getExecutableRelativeSymbol(
if (GVRHS->isThreadLocal() || GVRHS->getName() != "__ImageBase" ||
!GVRHS->hasExternalLinkage() || GVRHS->hasInitializer() ||
GVRHS->hasSection())
return 0;
return nullptr;
// An image-relative, thread-local, symbol makes no sense.
if (GVLHS->isThreadLocal())
return 0;
return nullptr;
return MCSymbolRefExpr::Create(TM.getSymbol(GVLHS, Mang),
MCSymbolRefExpr::VK_COFF_IMGREL32,