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authorStephen Hines <srhines@google.com>2014-05-29 02:49:00 -0700
committerStephen Hines <srhines@google.com>2014-05-29 02:49:00 -0700
commitdce4a407a24b04eebc6a376f8e62b41aaa7b071f (patch)
treedcebc53f2b182f145a2e659393bf9a0472cedf23 /lib/CodeGen/ShadowStackGC.cpp
parent220b921aed042f9e520c26cffd8282a94c66c3d5 (diff)
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Update LLVM for 3.5 rebase (r209712).
Change-Id: I149556c940fb7dc92d075273c87ff584f400941f
Diffstat (limited to 'lib/CodeGen/ShadowStackGC.cpp')
-rw-r--r--lib/CodeGen/ShadowStackGC.cpp13
1 files changed, 7 insertions, 6 deletions
diff --git a/lib/CodeGen/ShadowStackGC.cpp b/lib/CodeGen/ShadowStackGC.cpp
index adb3ef9163..f7c64dac61 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);