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Small simplification. Use the iterator already present as the insertion point.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59008 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Bill Wendling 2008-11-10 23:38:59 +00:00
parent e4d783d584
commit 22511ed2fe
1 changed files with 3 additions and 4 deletions
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7
lib/CodeGen/StackProtector.cpp
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@ -148,16 +148,15 @@ bool StackProtector::InsertStackProtectors() {
FailBB = CreateFailBB(); FailBB = CreateFailBB();
} }
Function::iterator InsPt = BB; ++InsPt; // Insertion point for new BB.
++I; // Skip to the next block so that we don't resplit the return block. ++I; // Skip to the next block so that we don't resplit the return block.
// Split the basic block before the return instruction. // Split the basic block before the return instruction.
BasicBlock *NewBB = BB->splitBasicBlock(RI, "SP_return"); BasicBlock *NewBB = BB->splitBasicBlock(RI, "SP_return");
// Move the newly created basic block to the point right after the old basic // Move the newly created basic block to the point right after the old
// block so that it's in the "fall through" position. // basic block so that it's in the "fall through" position.
NewBB->removeFromParent(); NewBB->removeFromParent();
F->getBasicBlockList().insert(InsPt, NewBB); F->getBasicBlockList().insert(I, NewBB);
// Generate the stack protector instructions in the old basic block. // Generate the stack protector instructions in the old basic block.
LoadInst *LI1 = new LoadInst(StackGuardVar, "", false, BB); LoadInst *LI1 = new LoadInst(StackGuardVar, "", false, BB);