From c02dbeb429f3a11f396c3915b638a9a525c97c62 Mon Sep 17 00:00:00 2001 From: Michael Gottesman Date: Tue, 20 Aug 2013 08:46:16 +0000 Subject: [PATCH] Removed trailing whitespace. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@188769 91177308-0d34-0410-b5e6-96231b3b80d8 --- lib/CodeGen/StackProtector.cpp | 36 +++++++++++++++++----------------- 1 file changed, 18 insertions(+), 18 deletions(-) diff --git a/lib/CodeGen/StackProtector.cpp b/lib/CodeGen/StackProtector.cpp index 3e6f44cabf1..b45459a4f6d 100644 --- a/lib/CodeGen/StackProtector.cpp +++ b/lib/CodeGen/StackProtector.cpp @@ -66,7 +66,7 @@ namespace { unsigned SSPBufferSize; /// VisitedPHIs - The set of PHI nodes visited when determining - /// if a variable's reference has been taken. This set + /// if a variable's reference has been taken. This set /// is maintained to ensure we don't visit the same PHI node multiple /// times. SmallPtrSet VisitedPHIs; @@ -245,7 +245,7 @@ bool StackProtector::RequiresStackProtector() { // of size. if (Strong) return true; - + if (const ConstantInt *CI = dyn_cast(AI->getArraySize())) { if (CI->getLimitedValue(SSPBufferSize) >= SSPBufferSize) @@ -262,7 +262,7 @@ bool StackProtector::RequiresStackProtector() { return true; if (Strong && HasAddressTaken(AI)) { - ++NumAddrTaken; + ++NumAddrTaken; return true; } } @@ -347,7 +347,7 @@ static bool CreatePrologue(Function *F, Module *M, ReturnInst *RI, if (TLI->getStackCookieLocation(AddressSpace, Offset)) { Constant *OffsetVal = ConstantInt::get(Type::getInt32Ty(RI->getContext()), Offset); - + StackGuardVar = ConstantExpr::getIntToPtr(OffsetVal, PointerType::get(PtrTy, AddressSpace)); @@ -357,15 +357,15 @@ static bool CreatePrologue(Function *F, Module *M, ReturnInst *RI, ->setVisibility(GlobalValue::HiddenVisibility); } else { SupportsSelectionDAGSP = true; - StackGuardVar = M->getOrInsertGlobal("__stack_chk_guard", PtrTy); + StackGuardVar = M->getOrInsertGlobal("__stack_chk_guard", PtrTy); } - + BasicBlock &Entry = F->getEntryBlock(); Instruction *InsPt = &Entry.front(); - + AI = new AllocaInst(PtrTy, "StackGuardSlot", InsPt); LoadInst *LI = new LoadInst(StackGuardVar, "StackGuard", false, InsPt); - + Value *Args[] = { LI, AI }; CallInst:: Create(Intrinsic::getDeclaration(M, Intrinsic::stackprotector), @@ -384,7 +384,7 @@ bool StackProtector::InsertStackProtectors() { bool HasPrologue = false; bool SupportsSelectionDAGSP = false; AllocaInst *AI = 0; // Place on stack that stores the stack guard. - Value *StackGuardVar = 0; // The stack guard variable. + Value *StackGuardVar = 0; // The stack guard variable. for (Function::iterator I = F->begin(), E = F->end(); I != E; ) { BasicBlock *BB = I++; @@ -394,8 +394,8 @@ bool StackProtector::InsertStackProtectors() { if (!HasPrologue) { HasPrologue = true; SupportsSelectionDAGSP = CreatePrologue(F, M, RI, TLI, Trip, AI, - StackGuardVar); - } + StackGuardVar); + } if (EnableSelectionDAGSP && !TM->Options.EnableFastISel && SupportsSelectionDAGSP) { @@ -404,7 +404,7 @@ bool StackProtector::InsertStackProtectors() { Instruction *InsertionPt = 0; if (CallInst *CI = FindPotentialTailCall(BB, RI, TLI)) { InsertionPt = CI; - } else { + } else { InsertionPt = RI; // At this point we know that BB has a return statement so it *DOES* // have a terminator. @@ -445,25 +445,25 @@ bool StackProtector::InsertStackProtectors() { // Create the FailBB. We duplicate the BB every time since the MI tail // merge pass will merge together all of the various BB into one including - // fail BB generated by the stack protector pseudo instruction. + // fail BB generated by the stack protector pseudo instruction. BasicBlock *FailBB = CreateFailBB(); - + // Split the basic block before the return instruction. BasicBlock *NewBB = BB->splitBasicBlock(RI, "SP_return"); - + // Update the dominator tree if we need to. if (DT && DT->isReachableFromEntry(BB)) { DT->addNewBlock(NewBB, BB); DT->addNewBlock(FailBB, BB); } - + // Remove default branch instruction to the new BB. BB->getTerminator()->eraseFromParent(); - + // Move the newly created basic block to the point right after the old // basic block so that it's in the "fall through" position. NewBB->moveAfter(BB); - + // Generate the stack protector instructions in the old basic block. LoadInst *LI1 = new LoadInst(StackGuardVar, "", false, BB); LoadInst *LI2 = new LoadInst(AI, "", true, BB); -- 2.34.1