diff options
Diffstat (limited to 'lib/CodeGen/ShadowStackGC.cpp')
| -rw-r--r-- | lib/CodeGen/ShadowStackGC.cpp | 13 |
1 files changed, 7 insertions, 6 deletions
diff --git a/lib/CodeGen/ShadowStackGC.cpp b/lib/CodeGen/ShadowStackGC.cpp index adb3ef9..f7c64da 100644 --- a/lib/CodeGen/ShadowStackGC.cpp +++ b/lib/CodeGen/ShadowStackGC.cpp @@ -25,7 +25,6 @@ // //===----------------------------------------------------------------------===// -#define DEBUG_TYPE "shadowstackgc" #include "llvm/CodeGen/GCs.h" #include "llvm/ADT/StringExtras.h" #include "llvm/CodeGen/GCStrategy.h" @@ -36,6 +35,8 @@ using namespace llvm; +#define DEBUG_TYPE "shadowstackgc" + namespace { class ShadowStackGC : public GCStrategy { @@ -101,7 +102,7 @@ namespace { IRBuilder<> *Next() { switch (State) { default: - return 0; + return nullptr; case 0: StateBB = F.begin(); @@ -137,7 +138,7 @@ namespace { Calls.push_back(CI); if (Calls.empty()) - return 0; + return nullptr; // Create a cleanup block. LLVMContext &C = F.getContext(); @@ -194,7 +195,7 @@ namespace { void llvm::linkShadowStackGC() { } -ShadowStackGC::ShadowStackGC() : Head(0), StackEntryTy(0) { +ShadowStackGC::ShadowStackGC() : Head(nullptr), StackEntryTy(nullptr) { InitRoots = true; CustomRoots = true; } @@ -390,8 +391,8 @@ 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); |