Target/AMDGPU/SIAnnotateControlFlow.cpp

94   void openIf(BranchInst *Term);
96   void insertElse(BranchInst *Term);
100                       BranchInst *Term);
102   void handleLoop(BranchInst *Term);
210 void SIAnnotateControlFlow::openIf(BranchInst *Term) {
211   if (isUniform(Term))
214   Value *Ret = CallInst::Create(If, Term->getCondition(), "", Term);
215   Term->setCondition(ExtractValueInst::Create(Ret, 0, "", Term));
216   push(Term->getSuccessor(1), ExtractValueInst::Create(Ret, 1, "", Term));
220 void SIAnnotateControlFlow::insertElse(BranchInst *Term) {
221   if (isUniform(Term)) {
224   Value *Ret = CallInst::Create(Else, popSaved(), "", Term);
225   Term->setCondition(ExtractValueInst::Create(Ret, 0, "", Term));
226   push(Term->getSuccessor(1), ExtractValueInst::Create(Ret, 1, "", Term));
231     Value *Cond, PHINode *Broken, llvm::Loop *L, BranchInst *Term) {
248       Term : L->getHeader()->getTerminator();
258 void SIAnnotateControlFlow::handleLoop(BranchInst *Term) {
259   if (isUniform(Term))
262   BasicBlock *BB = Term->getParent();
267   BasicBlock *Target = Term->getSuccessor(1);
270   Value *Cond = Term->getCondition();
271   Term->setCondition(BoolTrue);
272   Value *Arg = handleLoopCondition(Cond, Broken, L, Term);
286   Term->setCondition(CallInst::Create(Loop, Arg, "", Term));
288   push(Term->getSuccessor(0), Arg);
334     BranchInst *Term = dyn_cast<BranchInst>(BB->getTerminator());
336     if (!Term || Term->isUnconditional()) {
343     if (I.nodeVisited(Term->getSuccessor(1))) {
347       handleLoop(Term);
352       PHINode *Phi = dyn_cast<PHINode>(Term->getCondition());
354         insertElse(Term);
362     openIf(Term);