A few places where we want to skip the landingpad instruction for insertion.

llvm-svn: 137712

llvm/lib/Analysis/ScalarEvolutionExpander.cpp

@@ -1323,8 +1323,11 @@ Value *SCEVExpander::expand(const SCEV *S) {
       // If the SCEV is computable at this level, insert it into the header
       // after the PHIs (and after any other instructions that we've inserted
       // there) so that it is guaranteed to dominate any user inside the loop.
-      if (L && SE.hasComputableLoopEvolution(S, L) && !PostIncLoops.count(L))
+      if (L && SE.hasComputableLoopEvolution(S, L) && !PostIncLoops.count(L)) {
         InsertPt = L->getHeader()->getFirstNonPHI();
+        if (isa<LandingPadInst>(InsertPt))
+          InsertPt = llvm::next(BasicBlock::iterator(InsertPt));
+      }
       while (isInsertedInstruction(InsertPt) || isa<DbgInfoIntrinsic>(InsertPt))
         InsertPt = llvm::next(BasicBlock::iterator(InsertPt));
       break;

llvm/lib/Transforms/InstCombine/InstCombineLoadStoreAlloca.cpp

@@ -601,6 +601,7 @@ bool InstCombiner::SimplifyStoreAtEndOfBlock(StoreInst &SI) {
   // Advance to a place where it is safe to insert the new store and
   // insert it.
   BBI = DestBB->getFirstNonPHI();
+  if (isa<LandingPadInst>(BBI)) ++BBI;
   StoreInst *NewSI = new StoreInst(MergedVal, SI.getOperand(1),
                                    SI.isVolatile(),
                                    SI.getAlignment(),

llvm/lib/Transforms/Instrumentation/GCOVProfiling.cpp

@@ -505,7 +505,9 @@ bool GCOVProfiler::emitProfileArcs(DebugInfoFinder &DIF) {
       }
       for (int i = 0, e = ComplexEdgeSuccs.size(); i != e; ++i) {
         // call runtime to perform increment
-        IRBuilder<> Builder(ComplexEdgeSuccs[i+1]->getFirstNonPHI());
+        BasicBlock::iterator InsertPt = ComplexEdgeSuccs[i+1]->getFirstNonPHI();
+        if (isa<LandingPadInst>(InsertPt)) ++InsertPt;
+        IRBuilder<> Builder(InsertPt);
         Value *CounterPtrArray =
             Builder.CreateConstInBoundsGEP2_64(EdgeTable, 0,
                                                i * ComplexEdgePreds.size());