diff --git a/llvm/lib/Transforms/IPO/OpenMPOpt.cpp b/llvm/lib/Transforms/IPO/OpenMPOpt.cpp
--- a/llvm/lib/Transforms/IPO/OpenMPOpt.cpp
+++ b/llvm/lib/Transforms/IPO/OpenMPOpt.cpp
@@ -2668,9 +2668,9 @@
   SetVector<Function *> Functions(SCC.begin(), SCC.end());
   OMPInformationCache InfoCache(M, AG, Allocator, /*CGSCC*/ Functions, Kernels);
 
-  unsigned MaxFixponitIterations = (Kernels.empty()) ? 64 : 32;
-  Attributor A(Functions, InfoCache, CGUpdater, nullptr, true, false, MaxFixponitIterations, OREGetter,
-               DEBUG_TYPE);
+  unsigned MaxFixponitIterations = (isOpenMPDevice) ? 128 : 32;
+  Attributor A(Functions, InfoCache, CGUpdater, nullptr, true, false,
+               MaxFixponitIterations, OREGetter, DEBUG_TYPE);
 
   OpenMPOpt OMPOpt(SCC, CGUpdater, OREGetter, InfoCache, A);
   bool Changed = OMPOpt.run(true);
@@ -2720,9 +2720,9 @@
   OMPInformationCache InfoCache(*(Functions.back()->getParent()), AG, Allocator,
                                 /*CGSCC*/ Functions, Kernels);
 
-  unsigned MaxFixponitIterations = (isOpenMPDevice(M)) ? 64 : 32;
-  Attributor A(Functions, InfoCache, CGUpdater, nullptr, false, true, MaxFixponitIterations, OREGetter,
-               DEBUG_TYPE);
+  unsigned MaxFixponitIterations = (isOpenMPDevice(M)) ? 128 : 32;
+  Attributor A(Functions, InfoCache, CGUpdater, nullptr, false, true,
+               MaxFixponitIterations, OREGetter, DEBUG_TYPE);
 
   OpenMPOpt OMPOpt(SCC, CGUpdater, OREGetter, InfoCache, A);
   bool Changed = OMPOpt.run(false);
@@ -2786,7 +2786,7 @@
                                   Allocator,
                                   /*CGSCC*/ Functions, Kernels);
 
-    unsigned MaxFixponitIterations = (isOpenMPDevice(M)) ? 64 : 32;
+    unsigned MaxFixponitIterations = (isOpenMPDevice(M)) ? 128 : 32;
     Attributor A(Functions, InfoCache, CGUpdater, nullptr, false, true,
                  MaxFixponitIterations, OREGetter, DEBUG_TYPE);