diff --git a/llvm/lib/Transforms/Utils/LoopPeel.cpp b/llvm/lib/Transforms/Utils/LoopPeel.cpp
--- a/llvm/lib/Transforms/Utils/LoopPeel.cpp
+++ b/llvm/lib/Transforms/Utils/LoopPeel.cpp
@@ -345,20 +345,20 @@
   assert(L.isLoopSimplifyForm() && "Loop needs to be in loop simplify form");
   unsigned DesiredPeelCount = 0;
 
-  for (auto *BB : L.blocks()) {
-    auto *BI = dyn_cast<BranchInst>(BB->getTerminator());
-    if (!BI || BI->isUnconditional())
-      continue;
-
-    // Ignore loop exit condition.
-    if (L.getLoopLatch() == BB)
-      continue;
+  // Do not peel the entire loop.
+  const SCEV *BE = SE.getConstantMaxBackedgeTakenCount(&L);
+  if (const SCEVConstant *SC = dyn_cast<SCEVConstant>(BE))
+    MaxPeelCount =
+        std::min((unsigned)SC->getAPInt().getZExtValue() - 1, MaxPeelCount);
+
+  auto ComputePeelCount = [&](Value *Condition) -> void {
+    if (!Condition->getType()->isIntegerTy())
+      return;
 
-    Value *Condition = BI->getCondition();
     Value *LeftVal, *RightVal;
     CmpInst::Predicate Pred;
     if (!match(Condition, m_ICmp(Pred, m_Value(LeftVal), m_Value(RightVal))))
-      continue;
+      return;
 
     const SCEV *LeftSCEV = SE.getSCEV(LeftVal);
     const SCEV *RightSCEV = SE.getSCEV(RightVal);
@@ -366,7 +366,7 @@
     // Do not consider predicates that are known to be true or false
     // independently of the loop iteration.
     if (SE.evaluatePredicate(Pred, LeftSCEV, RightSCEV))
-      continue;
+      return;
 
     // Check if we have a condition with one AddRec and one non AddRec
     // expression. Normalize LeftSCEV to be the AddRec.
@@ -375,7 +375,7 @@
         std::swap(LeftSCEV, RightSCEV);
         Pred = ICmpInst::getSwappedPredicate(Pred);
       } else
-        continue;
+        return;
     }
 
     const SCEVAddRecExpr *LeftAR = cast<SCEVAddRecExpr>(LeftSCEV);
@@ -383,10 +383,10 @@
     // Avoid huge SCEV computations in the loop below, make sure we only
     // consider AddRecs of the loop we are trying to peel.
     if (!LeftAR->isAffine() || LeftAR->getLoop() != &L)
-      continue;
+      return;
     if (!(ICmpInst::isEquality(Pred) && LeftAR->hasNoSelfWrap()) &&
         !SE.getMonotonicPredicateType(LeftAR, Pred))
-      continue;
+      return;
 
     // Check if extending the current DesiredPeelCount lets us evaluate Pred
     // or !Pred in the loop body statically.
@@ -422,7 +422,7 @@
     // first iteration of the loop body after peeling?
     if (!SE.isKnownPredicate(ICmpInst::getInversePredicate(Pred), IterVal,
                              RightSCEV))
-      continue; // If not, give up.
+      return; // If not, give up.
 
     // However, for equality comparisons, that isn't always sufficient to
     // eliminate the comparsion in loop body, we may need to peel one more
@@ -433,11 +433,28 @@
         !SE.isKnownPredicate(Pred, IterVal, RightSCEV) &&
         SE.isKnownPredicate(Pred, NextIterVal, RightSCEV)) {
       if (!CanPeelOneMoreIteration())
-        continue; // Need to peel one more iteration, but can't. Give up.
+        return; // Need to peel one more iteration, but can't. Give up.
       PeelOneMoreIteration(); // Great!
     }
 
     DesiredPeelCount = std::max(DesiredPeelCount, NewPeelCount);
+  };
+
+  for (BasicBlock *BB : L.blocks()) {
+    for (Instruction &I : *BB) {
+      if (SelectInst *SI = dyn_cast<SelectInst>(&I))
+        ComputePeelCount(SI->getCondition());
+    }
+
+    auto *BI = dyn_cast<BranchInst>(BB->getTerminator());
+    if (!BI || BI->isUnconditional())
+      continue;
+
+    // Ignore loop exit condition.
+    if (L.getLoopLatch() == BB)
+      continue;
+
+    ComputePeelCount(BI->getCondition());
   }
 
   return DesiredPeelCount;
diff --git a/llvm/test/Transforms/LoopUnroll/peel-loop-conditions.ll b/llvm/test/Transforms/LoopUnroll/peel-loop-conditions.ll
--- a/llvm/test/Transforms/LoopUnroll/peel-loop-conditions.ll
+++ b/llvm/test/Transforms/LoopUnroll/peel-loop-conditions.ll
@@ -1281,19 +1281,34 @@
 ; CHECK-NEXT:    [[CMP5:%.*]] = icmp sgt i32 [[NUM:%.*]], 0
 ; CHECK-NEXT:    br i1 [[CMP5]], label [[FOR_BODY_PREHEADER:%.*]], label [[FOR_COND_CLEANUP:%.*]]
 ; CHECK:       for.body.preheader:
+; CHECK-NEXT:    br label [[FOR_BODY_PEEL_BEGIN:%.*]]
+; CHECK:       for.body.peel.begin:
+; CHECK-NEXT:    br label [[FOR_BODY_PEEL:%.*]]
+; CHECK:       for.body.peel:
+; CHECK-NEXT:    [[CMP1_PEEL:%.*]] = icmp eq i32 0, 0
+; CHECK-NEXT:    [[COND_PEEL:%.*]] = select i1 [[CMP1_PEEL]], i32 [[A:%.*]], i32 [[B:%.*]]
+; CHECK-NEXT:    tail call void @f3(i32 noundef [[COND_PEEL]])
+; CHECK-NEXT:    [[INC_PEEL:%.*]] = add nuw nsw i32 0, 1
+; CHECK-NEXT:    [[EXITCOND_NOT_PEEL:%.*]] = icmp eq i32 [[INC_PEEL]], [[NUM]]
+; CHECK-NEXT:    br i1 [[EXITCOND_NOT_PEEL]], label [[FOR_COND_CLEANUP_LOOPEXIT:%.*]], label [[FOR_BODY_PEEL_NEXT:%.*]]
+; CHECK:       for.body.peel.next:
+; CHECK-NEXT:    br label [[FOR_BODY_PEEL_NEXT1:%.*]]
+; CHECK:       for.body.peel.next1:
+; CHECK-NEXT:    br label [[FOR_BODY_PREHEADER_PEEL_NEWPH:%.*]]
+; CHECK:       for.body.preheader.peel.newph:
 ; CHECK-NEXT:    br label [[FOR_BODY:%.*]]
+; CHECK:       for.cond.cleanup.loopexit.loopexit:
+; CHECK-NEXT:    br label [[FOR_COND_CLEANUP_LOOPEXIT]]
 ; CHECK:       for.cond.cleanup.loopexit:
 ; CHECK-NEXT:    br label [[FOR_COND_CLEANUP]]
 ; CHECK:       for.cond.cleanup:
 ; CHECK-NEXT:    ret void
 ; CHECK:       for.body:
-; CHECK-NEXT:    [[I_06:%.*]] = phi i32 [ [[INC:%.*]], [[FOR_BODY]] ], [ 0, [[FOR_BODY_PREHEADER]] ]
-; CHECK-NEXT:    [[CMP1:%.*]] = icmp eq i32 [[I_06]], 0
-; CHECK-NEXT:    [[COND:%.*]] = select i1 [[CMP1]], i32 [[A:%.*]], i32 [[B:%.*]]
-; CHECK-NEXT:    tail call void @f3(i32 noundef [[COND]])
+; CHECK-NEXT:    [[I_06:%.*]] = phi i32 [ [[INC:%.*]], [[FOR_BODY]] ], [ [[INC_PEEL]], [[FOR_BODY_PREHEADER_PEEL_NEWPH]] ]
+; CHECK-NEXT:    tail call void @f3(i32 noundef [[B]])
 ; CHECK-NEXT:    [[INC]] = add nuw nsw i32 [[I_06]], 1
 ; CHECK-NEXT:    [[EXITCOND_NOT:%.*]] = icmp eq i32 [[INC]], [[NUM]]
-; CHECK-NEXT:    br i1 [[EXITCOND_NOT]], label [[FOR_COND_CLEANUP_LOOPEXIT:%.*]], label [[FOR_BODY]]
+; CHECK-NEXT:    br i1 [[EXITCOND_NOT]], label [[FOR_COND_CLEANUP_LOOPEXIT_LOOPEXIT:%.*]], label [[FOR_BODY]], !llvm.loop [[LOOP16:![0-9]+]]
 ;
 entry:
   %cmp5 = icmp sgt i32 %num, 0