Index: llvm/lib/Target/AMDGPU/AMDGPUPropagateAttributes.cpp
===================================================================
--- llvm/lib/Target/AMDGPU/AMDGPUPropagateAttributes.cpp
+++ llvm/lib/Target/AMDGPU/AMDGPUPropagateAttributes.cpp
@@ -192,12 +192,13 @@
     NewRoots.clear();
 
     for (auto &F : M.functions()) {
-      if (F.isDeclaration() || Roots.count(&F) || Roots.count(&F))
+      if (F.isDeclaration())
         continue;
 
       const FeatureBitset &CalleeBits =
         TM->getSubtargetImpl(F)->getFeatureBits();
       SmallVector<std::pair<CallBase *, Function *>, 32> ToReplace;
+      SmallSet<CallBase *, 32> Visited;
 
       for (User *U : F.users()) {
         Instruction *I = dyn_cast<Instruction>(U);
@@ -207,16 +208,17 @@
         if (!CI)
           continue;
         Function *Caller = CI->getCaller();
-        if (!Caller)
+        if (!Caller || !Visited.insert(CI).second)
           continue;
-        if (!Roots.count(Caller))
+        if (!Roots.count(Caller) && !NewRoots.count(Caller))
           continue;
 
         const FeatureBitset &CallerBits =
           TM->getSubtargetImpl(*Caller)->getFeatureBits() & TargetFeatures;
 
         if (CallerBits == (CalleeBits  & TargetFeatures)) {
-          NewRoots.insert(&F);
+          if (!Roots.count(&F))
+            NewRoots.insert(&F);
           continue;
         }
 
@@ -258,6 +260,9 @@
       F->eraseFromParent();
   }
 
+  Roots.clear();
+  Clones.clear();
+
   return Changed;
 }
 
Index: llvm/test/CodeGen/AMDGPU/propagate-attributes-clone.ll
===================================================================
--- llvm/test/CodeGen/AMDGPU/propagate-attributes-clone.ll
+++ llvm/test/CodeGen/AMDGPU/propagate-attributes-clone.ll
@@ -7,17 +7,54 @@
 ; OPT-EXT: define void @foo3() local_unnamed_addr #1
 ; OPT-INT: define internal fastcc void @foo3.2() unnamed_addr #1
 ; OPT-EXT: define void @foo2() local_unnamed_addr #1
-; OPT-INT: define internal fastcc void @foo2() unnamed_addr #1
+; OPT-INT: define internal fastcc void @foo2.3() unnamed_addr #1
 ; OPT-EXT: define void @foo1() local_unnamed_addr #1
+; OPT-EXT:  tail call void @foo4()
+; OPT-EXT:  tail call void @foo3()
+; OPT-EXT:  tail call void @foo2()
+; OPT-EXT:  tail call void @foo2()
+; OPT-EXT:  tail call void @foo1()
+; OPT-EXT:  tail call fastcc void @0()
 ; OPT-INT: define internal fastcc void @foo1.1() unnamed_addr #1
+; OPT-INT:  tail call void @foo4()
+; OPT-INT:  tail call fastcc void @foo3.2()
+; OPT-INT:  tail call fastcc void @foo2.3()
+; OPT-INT:  tail call fastcc void @foo2.3()
+; OPT-INT:  tail call fastcc void @foo1.1()
+; OPT-INT:  tail call fastcc void @0()
+; OPT:      ret void
 ; OPT: define amdgpu_kernel void @kernel1() local_unnamed_addr #2
+; OPT-EXT:  tail call fastcc void @foo1.1()
+; OPT-INT:  tail call fastcc void @foo1()
+; OPT:      ret void
 ; OPT: define amdgpu_kernel void @kernel2() local_unnamed_addr #3
+; OPT-EXT:  tail call void @foo2()
+; OPT-INT:  tail call fastcc void @foo2.3()
+; OPT:      ret void
 ; OPT: define amdgpu_kernel void @kernel3() local_unnamed_addr #3
+; OPT-EXT:  tail call void @foo1()
+; OPT-INT:  tail call fastcc void @foo1.1()
+; OPT:      ret void
 ; OPT-EXT: define internal fastcc void @foo1.1() unnamed_addr #4
+; OPT-EXT:  tail call void @foo4()
+; OPT-EXT:  tail call fastcc void @foo3.2()
+; OPT-EXT:  tail call fastcc void @foo2.3()
+; OPT-EXT:  tail call fastcc void @foo2.3()
+; OPT-EXT:  tail call fastcc void @foo1.1()
+; OPT-EXT:  tail call fastcc void @1()
 ; OPT-INT: define internal fastcc void @foo1() unnamed_addr #4
+; OPT-INT:  tail call void @foo4()
+; OPT-INT:  tail call fastcc void @foo3()
+; OPT-INT:  tail call fastcc void @foo2()
+; OPT-INT:  tail call fastcc void @foo2()
+; OPT-INT:  tail call fastcc void @foo1()
+; OPT-INT:  tail call fastcc void @1()
+; OPT:      ret void
 ; OPT: define internal fastcc void @1() unnamed_addr #4
 ; OPT-EXT: define internal fastcc void @foo3.2() unnamed_addr #4
 ; OPT-INT: define internal fastcc void @foo3() unnamed_addr #4
+; OPT-EXT: define internal fastcc void @foo2.3() unnamed_addr #4
+; OPT-INT: define internal fastcc void @foo2() unnamed_addr #4
 ; OPT: attributes #0 = { {{.*}} "target-features"="+wavefrontsize64" }
 ; OPT: attributes #1 = { {{.*}} "target-features"="{{.*}},-wavefrontsize16,-wavefrontsize32,+wavefrontsize64{{.*}}" }
 ; OPT: attributes #2 = { {{.*}} "target-features"="+wavefrontsize32" }