diff --git a/llvm/lib/Transforms/Vectorize/LoopVectorize.cpp b/llvm/lib/Transforms/Vectorize/LoopVectorize.cpp
--- a/llvm/lib/Transforms/Vectorize/LoopVectorize.cpp
+++ b/llvm/lib/Transforms/Vectorize/LoopVectorize.cpp
@@ -1099,8 +1099,12 @@
       // load/store. Collect recipe if its underlying instruction has
       // poison-generating flags.
       Instruction *Instr = CurRec->getUnderlyingInstr();
-      if (Instr && Instr->hasPoisonGeneratingFlags())
-        State.MayGeneratePoisonRecipes.insert(CurRec);
+      if (Instr && Instr->hasPoisonGeneratingFlags()) {
+        if (auto *VPW = dyn_cast<VPWidenRecipe>(CurRec))
+          VPW->dropPoisonGeneratingFlags();
+        else
+          State.MayGeneratePoisonRecipes.insert(CurRec);
+      }
 
       // Add new definitions to the worklist.
       for (VPValue *operand : CurRec->operands())
diff --git a/llvm/lib/Transforms/Vectorize/VPlan.h b/llvm/lib/Transforms/Vectorize/VPlan.h
--- a/llvm/lib/Transforms/Vectorize/VPlan.h
+++ b/llvm/lib/Transforms/Vectorize/VPlan.h
@@ -37,6 +37,7 @@
 #include "llvm/Analysis/VectorUtils.h"
 #include "llvm/IR/DebugLoc.h"
 #include "llvm/IR/FMF.h"
+#include "llvm/IR/Operator.h"
 #include <algorithm>
 #include <cassert>
 #include <cstddef>
@@ -936,14 +937,85 @@
   }
 };
 
+/// Class to record LLVM IR flag for a recipe.
+class VPIRFlags {
+  unsigned HasNUW : 1;
+  unsigned HasNSW : 1;
+  unsigned IsExact : 1;
+  unsigned AllowReassoc : 1;
+  unsigned NoNaNs : 1;
+  unsigned NoInfs : 1;
+  unsigned NoSignedZeros : 1;
+  unsigned AllowReciprocal : 1;
+  unsigned AllowContract : 1;
+  unsigned ApproxFunc : 1;
+
+public:
+  VPIRFlags(Instruction &I) {
+    if (auto *Op = dyn_cast<OverflowingBinaryOperator>(&I)) {
+      HasNUW = Op->hasNoUnsignedWrap();
+      HasNSW = Op->hasNoSignedWrap();
+    } else if (auto *Op = dyn_cast<PossiblyExactOperator>(&I)) {
+      IsExact = Op->isExact();
+    } else if (auto *Op = dyn_cast<FPMathOperator>(&I)) {
+      FastMathFlags FMF = Op->getFastMathFlags();
+      AllowReassoc = FMF.allowReassoc();
+      NoNaNs = FMF.noNaNs();
+      NoInfs = FMF.noInfs();
+      NoSignedZeros = FMF.noSignedZeros();
+      AllowReciprocal = FMF.allowReciprocal();
+      AllowContract = FMF.allowContract();
+      ApproxFunc = FMF.approxFunc();
+    }
+  }
+
+  /// Drop all poison-generating flags.
+  void dropPoisonGeneratingFlags() {
+    HasNUW = false;
+    HasNSW = false;
+    IsExact = false;
+    NoNaNs = false;
+    NoInfs = false;
+  }
+
+  bool hasNoUnsignedWrap() const { return HasNUW; }
+  bool hasNoSignedWrap() const { return HasNSW; }
+  bool isExact() const { return IsExact; }
+  FastMathFlags getFastMathFlags() const {
+    FastMathFlags FMFs;
+    FMFs.setAllowReassoc(AllowReassoc);
+    FMFs.setNoNaNs(NoNaNs);
+    FMFs.setNoInfs(NoInfs);
+    FMFs.setNoSignedZeros(NoSignedZeros);
+    FMFs.setAllowReciprocal(AllowReciprocal);
+    FMFs.setAllowContract(AllowContract);
+    FMFs.setApproxFunc(ApproxFunc);
+    return FMFs;
+  }
+
+  /// Add the enabled IR flags to \p I.
+  void transferFlags(Instruction *I) const {
+    if (isExact())
+      I->setIsExact();
+    if (hasNoUnsignedWrap())
+      I->setHasNoUnsignedWrap();
+    if (hasNoSignedWrap())
+      I->setHasNoSignedWrap();
+    if (getFastMathFlags().any())
+      I->setFastMathFlags(getFastMathFlags());
+  }
+};
+
 /// VPWidenRecipe is a recipe for producing a copy of vector type its
 /// ingredient. This recipe covers most of the traditional vectorization cases
 /// where each ingredient transforms into a vectorized version of itself.
-class VPWidenRecipe : public VPRecipeBase, public VPValue {
+class VPWidenRecipe : public VPRecipeBase, public VPValue, public VPIRFlags {
+
 public:
   template <typename IterT>
   VPWidenRecipe(Instruction &I, iterator_range<IterT> Operands)
-      : VPRecipeBase(VPDef::VPWidenSC, Operands), VPValue(this, &I) {}
+      : VPRecipeBase(VPDef::VPWidenSC, Operands), VPValue(this, &I),
+        VPIRFlags(I) {}
 
   ~VPWidenRecipe() override = default;
 
diff --git a/llvm/lib/Transforms/Vectorize/VPlanRecipes.cpp b/llvm/lib/Transforms/Vectorize/VPlanRecipes.cpp
--- a/llvm/lib/Transforms/Vectorize/VPlanRecipes.cpp
+++ b/llvm/lib/Transforms/Vectorize/VPlanRecipes.cpp
@@ -630,17 +630,8 @@
 
       Value *V = Builder.CreateNAryOp(I.getOpcode(), Ops);
 
-      if (auto *VecOp = dyn_cast<Instruction>(V)) {
-        VecOp->copyIRFlags(&I);
-
-        // If the instruction is vectorized and was in a basic block that needed
-        // predication, we can't propagate poison-generating flags (nuw/nsw,
-        // exact, etc.). The control flow has been linearized and the
-        // instruction is no longer guarded by the predicate, which could make
-        // the flag properties to no longer hold.
-        if (State.MayGeneratePoisonRecipes.contains(this))
-          VecOp->dropPoisonGeneratingFlags();
-      }
+      if (auto *VecOp = dyn_cast<Instruction>(V))
+        transferFlags(VecOp);
 
       // Use this vector value for all users of the original instruction.
       State.set(this, V, Part);