diff --git a/llvm/lib/Analysis/EHPersonalities.cpp b/llvm/lib/Analysis/EHPersonalities.cpp
--- a/llvm/lib/Analysis/EHPersonalities.cpp
+++ b/llvm/lib/Analysis/EHPersonalities.cpp
@@ -19,9 +19,9 @@
 /// See if the given exception handling personality function is one that we
 /// understand.  If so, return a description of it; otherwise return Unknown.
 EHPersonality llvm::classifyEHPersonality(const Value *Pers) {
-  const Function *F =
-      Pers ? dyn_cast<Function>(Pers->stripPointerCasts()) : nullptr;
-  if (!F)
+  const GlobalValue *F =
+      Pers ? dyn_cast<GlobalValue>(Pers->stripPointerCasts()) : nullptr;
+  if (!F || !F->getValueType() || !F->getValueType()->isFunctionTy())
     return EHPersonality::Unknown;
   return StringSwitch<EHPersonality>(F->getName())
       .Case("__gnat_eh_personality", EHPersonality::GNU_Ada)
diff --git a/llvm/lib/CodeGen/AsmPrinter/AIXException.cpp b/llvm/lib/CodeGen/AsmPrinter/AIXException.cpp
--- a/llvm/lib/CodeGen/AsmPrinter/AIXException.cpp
+++ b/llvm/lib/CodeGen/AsmPrinter/AIXException.cpp
@@ -69,8 +69,8 @@
   const Function &F = MF->getFunction();
   assert(F.hasPersonalityFn() &&
          "Landingpads are presented, but no personality routine is found.");
-  const Function *Per =
-      dyn_cast<Function>(F.getPersonalityFn()->stripPointerCasts());
+  const GlobalValue *Per =
+      dyn_cast<GlobalValue>(F.getPersonalityFn()->stripPointerCasts());
   const MCSymbol *PerSym = Asm->TM.getSymbol(Per);
 
   emitExceptionInfoTable(LSDALabel, PerSym);
diff --git a/llvm/lib/CodeGen/TargetLoweringObjectFileImpl.cpp b/llvm/lib/CodeGen/TargetLoweringObjectFileImpl.cpp
--- a/llvm/lib/CodeGen/TargetLoweringObjectFileImpl.cpp
+++ b/llvm/lib/CodeGen/TargetLoweringObjectFileImpl.cpp
@@ -2144,8 +2144,9 @@
   if (!F.hasPersonalityFn() || !F.needsUnwindTableEntry())
     return false;
 
-  const Function *Per =
-      dyn_cast<Function>(F.getPersonalityFn()->stripPointerCasts());
+  const GlobalValue *Per =
+      dyn_cast<GlobalValue>(F.getPersonalityFn()->stripPointerCasts());
+  assert(Per && "Personality routine is not a GlobalValue type.");
   if (isNoOpWithoutInvoke(classifyEHPersonality(Per)))
     return false;
 
diff --git a/llvm/test/CodeGen/PowerPC/aix-personality-alias.ll b/llvm/test/CodeGen/PowerPC/aix-personality-alias.ll
new file mode 100644
--- /dev/null
+++ b/llvm/test/CodeGen/PowerPC/aix-personality-alias.ll
@@ -0,0 +1,74 @@
+;; Test if we are still able to compile even when the personality routine is just an alias.
+
+; RUN: llc  -verify-machineinstrs -mcpu=pwr7 -mattr=-altivec \
+; RUN:      -mtriple powerpc-ibm-aix-xcoff < %s | FileCheck %s --check-prefixes=SYM,SYM32
+; RUN: llc  -verify-machineinstrs -mcpu=pwr7 -mattr=-altivec \
+; RUN:      -mtriple powerpc64-ibm-aix-xcoff < %s | FileCheck %s --check-prefixes=SYM,SYM64
+
+@__xlcxx_personality_v1 = alias i32 (), i32 ()* @__gxx_personality_v0
+define i32 @__gxx_personality_v0() {
+entry:
+  ret i32 1
+}
+
+define dso_local signext i32 @_Z3foov() #0 personality i8* bitcast (i32 ()* @__xlcxx_personality_v1 to i8*) {
+entry:
+  %retval = alloca i32, align 4
+  %exn.slot = alloca i8*, align 8
+  %ehselector.slot = alloca i32, align 4
+  invoke void @_Z3barv()
+          to label %invoke.cont unwind label %lpad
+
+invoke.cont:                                      ; preds = %entry
+  br label %try.cont
+
+lpad:                                             ; preds = %entry
+  %0 = landingpad { i8*, i32 }
+          catch i8* null
+  %1 = extractvalue { i8*, i32 } %0, 0
+  store i8* %1, i8** %exn.slot, align 8
+  %2 = extractvalue { i8*, i32 } %0, 1
+  store i32 %2, i32* %ehselector.slot, align 4
+  br label %catch
+
+catch:                                            ; preds = %lpad
+  %exn = load i8*, i8** %exn.slot, align 8
+  br label %return
+
+try.cont:                                         ; preds = %invoke.cont
+  store i32 2, i32* %retval, align 4
+  br label %return
+
+return:                                           ; preds = %try.cont, %catch
+  ret i32 1
+}
+
+declare void @_Z3barv()
+
+;   SYM:    .globl	__gxx_personality_v0[DS]        # -- Begin function __gxx_personality_v0
+;   SYM:  	.globl	.__gxx_personality_v0
+;   SYM:  	.align	4
+;   SYM:  	.csect __gxx_personality_v0[DS]
+;   SYM:  __xlcxx_personality_v1:                 # @__gxx_personality_v0
+; SYM32:  	.vbyte	4, .__gxx_personality_v0
+; SYM32:  	.vbyte	4, TOC[TC0]
+; SYM32:  	.vbyte	4, 0
+; SYM64:  	.vbyte	8, .__gxx_personality_v0
+; SYM64:  	.vbyte	8, TOC[TC0]
+; SYM64:  	.vbyte	8, 0
+;   SYM:  	.csect .text[PR],2
+;   SYM:  .__gxx_personality_v0:
+;   SYM:  .__xlcxx_personality_v1:
+;   SYM:  # %bb.0:                                # %entry
+;   SYM:  	li 3, 1
+;   SYM:  	blr
+
+;   SYM:    .csect .eh_info_table[RW],2
+;   SYM:  __ehinfo.1:
+;   SYM:  	.vbyte	4, 0
+; SYM32:  	.align	2
+; SYM32:  	.vbyte	4, GCC_except_table1
+; SYM32:  	.vbyte	4, __xlcxx_personality_v1
+; SYM64:  	.align	3
+; SYM64:  	.vbyte	8, GCC_except_table1
+; SYM64:  	.vbyte	8, __xlcxx_personality_v1