[llvm] r273586 - [IRCE] Use getTerminator instead of rbegin; NFC

[Sanjoy Das via llvm-commits]

Author: sanjoy
Date: Thu Jun 23 13:03:26 2016
New Revision: 273586

URL: http://llvm.org/viewvc/llvm-project?rev=273586&view=rev
Log:
[IRCE] Use getTerminator instead of rbegin; NFC

Modified:
    llvm/trunk/lib/Transforms/Scalar/InductiveRangeCheckElimination.cpp

Modified: llvm/trunk/lib/Transforms/Scalar/InductiveRangeCheckElimination.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Transforms/Scalar/InductiveRangeCheckElimination.cpp?rev=273586&r1=273585&r2=273586&view=diff
==============================================================================
--- llvm/trunk/lib/Transforms/Scalar/InductiveRangeCheckElimination.cpp (original)
+++ llvm/trunk/lib/Transforms/Scalar/InductiveRangeCheckElimination.cpp Thu Jun 23 13:03:26 2016
@@ -637,7 +637,7 @@ LoopStructure::parseLoopStructure(Scalar
     return None;
   }
 
-  BranchInst *LatchBr = dyn_cast<BranchInst>(&*Latch->rbegin());
+  BranchInst *LatchBr = dyn_cast<BranchInst>(Latch->getTerminator());
   if (!LatchBr || LatchBr->isUnconditional()) {
     FailureReason = "latch terminator not conditional branch";
     return None;
@@ -763,7 +763,7 @@ LoopStructure::parseLoopStructure(Scalar
         return None;
       }
 
-      IRBuilder<> B(&*Preheader->rbegin());
+      IRBuilder<> B(Preheader->getTerminator());
       RightValue = B.CreateAdd(RightValue, One);
     }
 
@@ -785,7 +785,7 @@ LoopStructure::parseLoopStructure(Scalar
         return None;
       }
 
-      IRBuilder<> B(&*Preheader->rbegin());
+      IRBuilder<> B(Preheader->getTerminator());
       RightValue = B.CreateSub(RightValue, One);
     }
   }
@@ -804,7 +804,7 @@ LoopStructure::parseLoopStructure(Scalar
   const DataLayout &DL = Preheader->getModule()->getDataLayout();
   Value *IndVarStartV =
       SCEVExpander(SE, DL, "irce")
-          .expandCodeFor(IndVarStart, IndVarTy, &*Preheader->rbegin());
+          .expandCodeFor(IndVarStart, IndVarTy, Preheader->getTerminator());
   IndVarStartV->setName("indvar.start");
 
   LoopStructure Result;
@@ -1026,7 +1026,7 @@ LoopConstrainer::RewrittenRangeInfo Loop
   RRI.PseudoExit = BasicBlock::Create(Ctx, Twine(LS.Tag) + ".pseudo.exit", &F,
                                       &*BBInsertLocation);
 
-  BranchInst *PreheaderJump = cast<BranchInst>(&*Preheader->rbegin());
+  BranchInst *PreheaderJump = cast<BranchInst>(Preheader->getTerminator());
   bool Increasing = LS.IndVarIncreasing;
 
   IRBuilder<> B(PreheaderJump);