vendor/llvm-project/llvmorg-10-init-17466-ge26a78e7085

1 files changed, 3 insertions, 2 deletions

diff --git a/llvm/lib/Transforms/Utils/LoopUnrollAndJam.cpp b/llvm/lib/Transforms/Utils/LoopUnrollAndJam.cpp
index bf2e87b0d49f6..f1965934b2d71 100644
--- a/llvm/lib/Transforms/Utils/LoopUnrollAndJam.cpp
+++ b/llvm/lib/Transforms/Utils/LoopUnrollAndJam.cpp
@@ -21,7 +21,6 @@
 #include "llvm/Analysis/LoopPass.h"
 #include "llvm/Analysis/OptimizationRemarkEmitter.h"
 #include "llvm/Analysis/ScalarEvolution.h"
-#include "llvm/Analysis/ScalarEvolutionExpander.h"
 #include "llvm/Analysis/Utils/Local.h"
 #include "llvm/IR/BasicBlock.h"
 #include "llvm/IR/DataLayout.h"
@@ -177,6 +176,7 @@ LoopUnrollResult llvm::UnrollAndJamLoop(
 
   // When we enter here we should have already checked that it is safe
   BasicBlock *Header = L->getHeader();
+  assert(Header && "No header.");
   assert(L->getSubLoops().size() == 1);
   Loop *SubLoop = *L->begin();
 
@@ -247,8 +247,9 @@ LoopUnrollResult llvm::UnrollAndJamLoop(
 
   BasicBlock *Preheader = L->getLoopPreheader();
   BasicBlock *LatchBlock = L->getLoopLatch();
+  assert(Preheader && "No preheader");
+  assert(LatchBlock && "No latch block");
   BranchInst *BI = dyn_cast<BranchInst>(LatchBlock->getTerminator());
-  assert(Preheader && LatchBlock && Header);
   assert(BI && !BI->isUnconditional());
   bool ContinueOnTrue = L->contains(BI->getSuccessor(0));
   BasicBlock *LoopExit = BI->getSuccessor(ContinueOnTrue);