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[C++11] More 'nullptr' conversion. In some cases just using a boolean check instead of comparing to nullptr.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@206142 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Craig Topper
2014-04-14 00:51:57 +00:00
parent b9ed50cf17
commit 4ba844388c
169 changed files with 1547 additions and 1489 deletions
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10
lib/CodeGen/ShadowStackGC.cpp
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@ -101,7 +101,7 @@ namespace {
IRBuilder<> *Next() {
switch (State) {
default:
return 0;
return nullptr;
case 0:
StateBB = F.begin();
@ -137,7 +137,7 @@ namespace {
Calls.push_back(CI);
if (Calls.empty())
return 0;
return nullptr;
// Create a cleanup block.
LLVMContext &C = F.getContext();
@ -194,7 +194,7 @@ namespace {
void llvm::linkShadowStackGC() { }
ShadowStackGC::ShadowStackGC() : Head(0), StackEntryTy(0) {
ShadowStackGC::ShadowStackGC() : Head(nullptr), StackEntryTy(nullptr) {
InitRoots = true;
CustomRoots = true;
}
@ -390,8 +390,8 @@ bool ShadowStackGC::performCustomLowering(Function &F) {
BasicBlock::iterator IP = F.getEntryBlock().begin();
IRBuilder<> AtEntry(IP->getParent(), IP);
Instruction *StackEntry = AtEntry.CreateAlloca(ConcreteStackEntryTy, 0,
"gc_frame");
Instruction *StackEntry = AtEntry.CreateAlloca(ConcreteStackEntryTy, nullptr,
"gc_frame");
while (isa<AllocaInst>(IP)) ++IP;
AtEntry.SetInsertPoint(IP->getParent(), IP);