diff --git a/llvm/include/llvm/IR/LegacyPassNameParser.h b/llvm/include/llvm/IR/LegacyPassNameParser.h
--- a/llvm/include/llvm/IR/LegacyPassNameParser.h
+++ b/llvm/include/llvm/IR/LegacyPassNameParser.h
@@ -73,6 +73,11 @@
       llvm_unreachable(nullptr);
     }
     addLiteralOption(P->getPassArgument().data(), P, P->getPassName().data());
+
+    // Temporary alias for basicaa -> basic-aa
+    // TODO: remove once everything is migrated to basic-aa
+    if (P->getPassArgument() == "basic-aa")
+      addLiteralOption("basicaa", P, "deprecated alias for basic-aa");
   }
   void passEnumerate(const PassInfo *P) override { passRegistered(P); }
 
diff --git a/llvm/lib/Analysis/BasicAliasAnalysis.cpp b/llvm/lib/Analysis/BasicAliasAnalysis.cpp
--- a/llvm/lib/Analysis/BasicAliasAnalysis.cpp
+++ b/llvm/lib/Analysis/BasicAliasAnalysis.cpp
@@ -2069,13 +2069,13 @@
 
 void BasicAAWrapperPass::anchor() {}
 
-INITIALIZE_PASS_BEGIN(BasicAAWrapperPass, "basicaa",
+INITIALIZE_PASS_BEGIN(BasicAAWrapperPass, "basic-aa",
                       "Basic Alias Analysis (stateless AA impl)", true, true)
 INITIALIZE_PASS_DEPENDENCY(AssumptionCacheTracker)
 INITIALIZE_PASS_DEPENDENCY(DominatorTreeWrapperPass)
 INITIALIZE_PASS_DEPENDENCY(TargetLibraryInfoWrapperPass)
 INITIALIZE_PASS_DEPENDENCY(PhiValuesWrapperPass)
-INITIALIZE_PASS_END(BasicAAWrapperPass, "basicaa",
+INITIALIZE_PASS_END(BasicAAWrapperPass, "basic-aa",
                     "Basic Alias Analysis (stateless AA impl)", true, true)
 
 FunctionPass *llvm::createBasicAAWrapperPass() {
diff --git a/llvm/test/Analysis/BasicAA/empty.ll b/llvm/test/Analysis/BasicAA/empty.ll
--- a/llvm/test/Analysis/BasicAA/empty.ll
+++ b/llvm/test/Analysis/BasicAA/empty.ll
@@ -1,4 +1,5 @@
 ; RUN: opt < %s -basicaa -aa-eval -print-all-alias-modref-info -disable-output 2>&1 | FileCheck %s
+; RUN: opt < %s -basic-aa -aa-eval -print-all-alias-modref-info -disable-output 2>&1 | FileCheck %s
 
 target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64"