commit 81c00fe0223eefb50cdec724aa38cb3f3f68383b
author Sanjoy Das <sanjoy@playingwithpointers.com> Thu Jun 23 18:03:26 2016 +0000
committer Sanjoy Das <sanjoy@playingwithpointers.com> Thu Jun 23 18:03:26 2016 +0000
tree 63e4a1b54386b28febdcfb4d1fff65118ed5e1c1
parent bfdb48375546716f05b8d30fd348aebdd87bb065

[IRCE] Use getTerminator instead of rbegin; NFC

llvm-svn: 273586

llvm/lib/Transforms/Scalar/InductiveRangeCheckElimination.cpp

diff --git a/llvm/lib/Transforms/Scalar/InductiveRangeCheckElimination.cpp b/llvm/lib/Transforms/Scalar/InductiveRangeCheckElimination.cpp
index 4024c3f..ec7f09a 100644
--- a/llvm/lib/Transforms/Scalar/InductiveRangeCheckElimination.cpp
+++ b/llvm/lib/Transforms/Scalar/InductiveRangeCheckElimination.cpp
@@ -637,7 +637,7 @@
     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 @@
         return None;
       }
 
-      IRBuilder<> B(&*Preheader->rbegin());
+      IRBuilder<> B(Preheader->getTerminator());
       RightValue = B.CreateAdd(RightValue, One);
     }
 
@@ -785,7 +785,7 @@
         return None;
       }
 
-      IRBuilder<> B(&*Preheader->rbegin());
+      IRBuilder<> B(Preheader->getTerminator());
       RightValue = B.CreateSub(RightValue, One);
     }
   }
@@ -804,7 +804,7 @@
   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 @@
   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);