1 files changed, 21 insertions, 22 deletions

diff --git a/llvm/lib/Transforms/Scalar/GVN.cpp b/llvm/lib/Transforms/Scalar/GVN.cpp
index 02e18abd332..2d4af732520 100644
--- a/llvm/lib/Transforms/Scalar/GVN.cpp
+++ b/llvm/lib/Transforms/Scalar/GVN.cpp
@@ -1725,30 +1725,29 @@ bool GVN::processAssumeIntrinsic(IntrinsicInst *IntrinsicI) {
 }
 
 static void patchReplacementInstruction(Instruction *I, Value *Repl) {
+  auto *ReplInst = dyn_cast<Instruction>(Repl);
+  if (!ReplInst)
+    return;
+
   // Patch the replacement so that it is not more restrictive than the value
   // being replaced.
-  BinaryOperator *Op = dyn_cast<BinaryOperator>(I);
-  BinaryOperator *ReplOp = dyn_cast<BinaryOperator>(Repl);
-  if (Op && ReplOp)
-    ReplOp->andIRFlags(Op);
-
-  if (Instruction *ReplInst = dyn_cast<Instruction>(Repl)) {
-    // FIXME: If both the original and replacement value are part of the
-    // same control-flow region (meaning that the execution of one
-    // guarantees the execution of the other), then we can combine the
-    // noalias scopes here and do better than the general conservative
-    // answer used in combineMetadata().
-
-    // In general, GVN unifies expressions over different control-flow
-    // regions, and so we need a conservative combination of the noalias
-    // scopes.
-    static const unsigned KnownIDs[] = {
-        LLVMContext::MD_tbaa,           LLVMContext::MD_alias_scope,
-        LLVMContext::MD_noalias,        LLVMContext::MD_range,
-        LLVMContext::MD_fpmath,         LLVMContext::MD_invariant_load,
-        LLVMContext::MD_invariant_group};
-    combineMetadata(ReplInst, I, KnownIDs);
-  }
+  ReplInst->andIRFlags(I);
+
+  // FIXME: If both the original and replacement value are part of the
+  // same control-flow region (meaning that the execution of one
+  // guarantees the execution of the other), then we can combine the
+  // noalias scopes here and do better than the general conservative
+  // answer used in combineMetadata().
+
+  // In general, GVN unifies expressions over different control-flow
+  // regions, and so we need a conservative combination of the noalias
+  // scopes.
+  static const unsigned KnownIDs[] = {
+      LLVMContext::MD_tbaa,           LLVMContext::MD_alias_scope,
+      LLVMContext::MD_noalias,        LLVMContext::MD_range,
+      LLVMContext::MD_fpmath,         LLVMContext::MD_invariant_load,
+      LLVMContext::MD_invariant_group};
+  combineMetadata(ReplInst, I, KnownIDs);
 }
 
 static void patchAndReplaceAllUsesWith(Instruction *I, Value *Repl) {