Rename Reduction variables/structures to Recurrence.

A reduction is a special kind of recurrence. In the loop vectorizer we currently
identify basic reductions. Future patches will extend this to identifying basic
recurrences.

llvm-svn: 239835

1 files changed, 4 insertions, 4 deletions

diff --git a/llvm/lib/Transforms/Scalar/LoopInterchange.cpp b/llvm/lib/Transforms/Scalar/LoopInterchange.cpp
index f584018299d..25546553fd4 100644
--- a/llvm/lib/Transforms/Scalar/LoopInterchange.cpp
+++ b/llvm/lib/Transforms/Scalar/LoopInterchange.cpp
@@ -598,8 +598,8 @@ struct LoopInterchange : public FunctionPass {
 bool LoopInterchangeLegality::areAllUsesReductions(Instruction *Ins, Loop *L) {
   return !std::any_of(Ins->user_begin(), Ins->user_end(), [=](User *U) -> bool {
     PHINode *UserIns = dyn_cast<PHINode>(U);
-    ReductionDescriptor RD;
-    return !UserIns || !ReductionDescriptor::isReductionPHI(UserIns, L, RD);
+    RecurrenceDescriptor RD;
+    return !UserIns || !RecurrenceDescriptor::isReductionPHI(UserIns, L, RD);
   });
 }
 
@@ -697,12 +697,12 @@ bool LoopInterchangeLegality::findInductionAndReductions(
   if (!L->getLoopLatch() || !L->getLoopPredecessor())
     return false;
   for (BasicBlock::iterator I = L->getHeader()->begin(); isa<PHINode>(I); ++I) {
-    ReductionDescriptor RD;
+    RecurrenceDescriptor RD;
     PHINode *PHI = cast<PHINode>(I);
     ConstantInt *StepValue = nullptr;
     if (isInductionPHI(PHI, SE, StepValue))
       Inductions.push_back(PHI);
-    else if (ReductionDescriptor::isReductionPHI(PHI, L, RD))
+    else if (RecurrenceDescriptor::isReductionPHI(PHI, L, RD))
       Reductions.push_back(PHI);
     else {
       DEBUG(