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Tidy up BasicBlock::getFirstNonPHI, and change a bunch of places to

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use it instead of duplicating its functionality.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51499 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Dan Gohman
2008-05-23 21:05:58 +00:00
parent ee335e35ac
commit 02dea8b39f
16 changed files with 38 additions and 62 deletions
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9
lib/Transforms/Scalar/InstructionCombining.cpp
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@ -9592,8 +9592,7 @@ bool InstCombiner::transformConstExprCastCall(CallSite CS) {
// If this is an invoke instruction, we should insert it after the first
// non-phi, instruction in the normal successor block.
if (InvokeInst *II = dyn_cast<InvokeInst>(Caller)) {
BasicBlock::iterator I = II->getNormalDest()->begin();
while (isa<PHINode>(I)) ++I;
BasicBlock::iterator I = II->getNormalDest()->getFirstNonPHI();
InsertNewInstBefore(NC, *I);
} else {
// Otherwise, it's a call, just insert cast right after the call instr
@ -11068,8 +11067,7 @@ bool InstCombiner::SimplifyStoreAtEndOfBlock(StoreInst &SI) {
// Advance to a place where it is safe to insert the new store and
// insert it.
BBI = DestBB->begin();
while (isa<PHINode>(BBI)) ++BBI;
BBI = DestBB->getFirstNonPHI();
InsertNewInstBefore(new StoreInst(MergedVal, SI.getOperand(1),
OtherStore->isVolatile()), *BBI);
@ -11737,8 +11735,7 @@ static bool TryToSinkInstruction(Instruction *I, BasicBlock *DestBlock) {
return false;
}
BasicBlock::iterator InsertPos = DestBlock->begin();
while (isa<PHINode>(InsertPos)) ++InsertPos;
BasicBlock::iterator InsertPos = DestBlock->getFirstNonPHI();
I->moveBefore(InsertPos);
++NumSunkInst;