Commit 33a10126 authored by Tobias Grosser's avatar Tobias Grosser
Browse files

independent blocks: do not insert stores between phi nodes 

Merged from: https://llvm.org/svn/llvm-project/polly/trunk@182661

llvm-svn: 183380
parent 03aef096

polly/lib/IndependentBlocks.cpp

+10 −3
Original line number Diff line number Diff line
@@ -394,9 +394,16 @@ bool IndependentBlocks::translateScalarToArray(Instruction *Inst, 
  AllocaInst *Slot = new AllocaInst(

      Inst->getType(), 0, Inst->getName() + ".s2a", AllocaBlock->begin());

  assert(!isa<InvokeInst>(Inst) && "Unexpect Invoke in Scop!");

  // Store right after Inst.

  BasicBlock::iterator StorePos = Inst;

  (void) new StoreInst(Inst, Slot, ++StorePos);



  // Store right after Inst, and make sure the position is after all phi nodes.

  BasicBlock::iterator StorePos;

  if (isa<PHINode>(Inst)) {

    StorePos = Inst->getParent()->getFirstNonPHI();

  } else {

    StorePos = Inst;

    StorePos++;

  }

  (void) new StoreInst(Inst, Slot, StorePos);



  if (!LoadOutside.empty()) {

    LoadInst *ExitLoad = new LoadInst(Slot, Inst->getName() + ".loadoutside",