diff --git a/lib/Frontend/CompilerInvocation.cpp b/lib/Frontend/CompilerInvocation.cpp
index 026508a..c90ac70 100644
--- a/lib/Frontend/CompilerInvocation.cpp
+++ b/lib/Frontend/CompilerInvocation.cpp
@@ -891,8 +891,13 @@
     const Arg *A = *it;
     A->claim();
     bool enable = (A->getOption().getID() == OPT_analyzer_checker);
-    Opts.CheckersControlList.push_back(std::make_pair(A->getValue(Args),
-                                                      enable));
+    // We can have a list of comma separated checker names, e.g:
+    // '-analyzer-checker=cocoa,unix'
+    llvm::StringRef checkerList = A->getValue(Args);
+    llvm::SmallVector<llvm::StringRef, 4> checkers;
+    checkerList.split(checkers, ",");
+    for (unsigned i = 0, e = checkers.size(); i != e; ++i)
+      Opts.CheckersControlList.push_back(std::make_pair(checkers[i], enable));
   }
 }
 
diff --git a/test/Analysis/dead-stores.c b/test/Analysis/dead-stores.c
index 7fc0f04..26af952 100644
--- a/test/Analysis/dead-stores.c
+++ b/test/Analysis/dead-stores.c
@@ -1,8 +1,8 @@
-// RUN: %clang_cc1 -Wunused-variable -analyze -analyzer-checker=core.experimental.IdempotentOps -analyzer-experimental-internal-checks -analyzer-check-objc-mem -analyzer-checker=core.DeadStores -fblocks -verify -Wno-unreachable-code -analyzer-opt-analyze-nested-blocks %s
-// RUN: %clang_cc1 -Wunused-variable -analyze -analyzer-checker=core.experimental.IdempotentOps -analyzer-experimental-internal-checks -analyzer-check-objc-mem -analyzer-store=basic -analyzer-constraints=basic -analyzer-checker=core.DeadStores -fblocks -verify -Wno-unreachable-code -analyzer-opt-analyze-nested-blocks %s
-// RUN: %clang_cc1 -Wunused-variable -analyze -analyzer-checker=core.experimental.IdempotentOps -analyzer-experimental-internal-checks -analyzer-check-objc-mem -analyzer-store=basic -analyzer-constraints=range -analyzer-checker=core.DeadStores -fblocks -verify -Wno-unreachable-code -analyzer-opt-analyze-nested-blocks %s
-// RUN: %clang_cc1 -Wunused-variable -analyze -analyzer-checker=core.experimental.IdempotentOps -analyzer-experimental-internal-checks -analyzer-check-objc-mem -analyzer-store=region -analyzer-constraints=basic -analyzer-checker=core.DeadStores -fblocks -verify -Wno-unreachable-code -analyzer-opt-analyze-nested-blocks %s
-// RUN: %clang_cc1 -Wunused-variable -analyze -analyzer-checker=core.experimental.IdempotentOps -analyzer-experimental-internal-checks -analyzer-check-objc-mem -analyzer-store=region -analyzer-constraints=range -analyzer-checker=core.DeadStores -fblocks -verify -Wno-unreachable-code -analyzer-opt-analyze-nested-blocks %s
+// RUN: %clang_cc1 -Wunused-variable -analyze -analyzer-checker=core.DeadStores,core.experimental.IdempotentOps -analyzer-experimental-internal-checks -analyzer-check-objc-mem -fblocks -verify -Wno-unreachable-code -analyzer-opt-analyze-nested-blocks %s
+// RUN: %clang_cc1 -Wunused-variable -analyze -analyzer-checker=core.DeadStores,core.experimental.IdempotentOps -analyzer-experimental-internal-checks -analyzer-check-objc-mem -analyzer-store=basic -analyzer-constraints=basic -fblocks -verify -Wno-unreachable-code -analyzer-opt-analyze-nested-blocks %s
+// RUN: %clang_cc1 -Wunused-variable -analyze -analyzer-checker=core.DeadStores,core.experimental.IdempotentOps -analyzer-experimental-internal-checks -analyzer-check-objc-mem -analyzer-store=basic -analyzer-constraints=range -fblocks -verify -Wno-unreachable-code -analyzer-opt-analyze-nested-blocks %s
+// RUN: %clang_cc1 -Wunused-variable -analyze -analyzer-checker=core.DeadStores,core.experimental.IdempotentOps -analyzer-experimental-internal-checks -analyzer-check-objc-mem -analyzer-store=region -analyzer-constraints=basic -fblocks -verify -Wno-unreachable-code -analyzer-opt-analyze-nested-blocks %s
+// RUN: %clang_cc1 -Wunused-variable -analyze -analyzer-checker=core.DeadStores,core.experimental.IdempotentOps -analyzer-experimental-internal-checks -analyzer-check-objc-mem -analyzer-store=region -analyzer-constraints=range -fblocks -verify -Wno-unreachable-code -analyzer-opt-analyze-nested-blocks %s
 
 void f1() {
   int k, y; // expected-warning{{unused variable 'k'}} expected-warning{{unused variable 'y'}}
diff --git a/test/Analysis/misc-ps-region-store.m b/test/Analysis/misc-ps-region-store.m
index 12674c5..eab59c1 100644
--- a/test/Analysis/misc-ps-region-store.m
+++ b/test/Analysis/misc-ps-region-store.m
@@ -1,5 +1,5 @@
-// RUN: %clang_cc1 -triple i386-apple-darwin9 -analyze -analyzer-checker=core.experimental.IdempotentOps -analyzer-checker=core.experimental.CastToStruct -analyzer-checker=core.experimental.ReturnPtrRange -analyzer-checker=core.experimental.ReturnPtrRange -analyzer-checker=core.experimental.ArrayBound -analyzer-experimental-internal-checks -analyzer-check-objc-mem -analyzer-store=region -verify -fblocks -analyzer-opt-analyze-nested-blocks %s
-// RUN: %clang_cc1 -triple x86_64-apple-darwin9 -DTEST_64 -analyze -analyzer-checker=core.experimental.IdempotentOps -analyzer-checker=core.experimental.CastToStruct -analyzer-checker=core.experimental.ReturnPtrRange -analyzer-checker=core.experimental.ArrayBound -analyzer-experimental-internal-checks -analyzer-check-objc-mem -analyzer-store=region -verify -fblocks   -analyzer-opt-analyze-nested-blocks %s
+// RUN: %clang_cc1 -triple i386-apple-darwin9 -analyze -analyzer-checker=core.experimental.IdempotentOps,core.experimental.CastToStruct,core.experimental.ReturnPtrRange,core.experimental.ReturnPtrRange,core.experimental.ArrayBound -analyzer-experimental-internal-checks -analyzer-check-objc-mem -analyzer-store=region -verify -fblocks -analyzer-opt-analyze-nested-blocks %s
+// RUN: %clang_cc1 -triple x86_64-apple-darwin9 -DTEST_64 -analyze -analyzer-checker=core.experimental.IdempotentOps,core.experimental.CastToStruct,core.experimental.ReturnPtrRange,core.experimental.ArrayBound -analyzer-experimental-internal-checks -analyzer-check-objc-mem -analyzer-store=region -verify -fblocks   -analyzer-opt-analyze-nested-blocks %s
 
 typedef long unsigned int size_t;
 void *memcpy(void *, const void *, size_t);
diff --git a/test/Analysis/misc-ps.m b/test/Analysis/misc-ps.m
index 7f117cc..5750867 100644
--- a/test/Analysis/misc-ps.m
+++ b/test/Analysis/misc-ps.m
@@ -1,12 +1,12 @@
 // NOTE: Use '-fobjc-gc' to test the analysis being run twice, and multiple reports are not issued.
-// RUN: %clang_cc1 -triple i386-apple-darwin10 -analyze -analyzer-experimental-internal-checks -analyzer-check-objc-mem -analyzer-checker=core.experimental.IdempotentOps -analyzer-checker=core.experimental.CastToStruct -analyzer-checker=cocoa.AtSync -analyzer-store=basic -fobjc-gc -analyzer-constraints=basic -verify -fblocks -Wno-unreachable-code %s
-// RUN: %clang_cc1 -triple i386-apple-darwin10 -analyze -analyzer-experimental-internal-checks -analyzer-check-objc-mem -analyzer-checker=core.experimental.IdempotentOps -analyzer-checker=core.experimental.CastToStruct -analyzer-checker=cocoa.AtSync -analyzer-store=basic -analyzer-constraints=range -verify -fblocks -Wno-unreachable-code %s
-// RUN: %clang_cc1 -triple i386-apple-darwin10 -analyze -analyzer-experimental-internal-checks -analyzer-check-objc-mem -analyzer-checker=core.experimental.IdempotentOps -analyzer-checker=core.experimental.CastToStruct -analyzer-checker=cocoa.AtSync -analyzer-store=region -analyzer-constraints=basic -verify -fblocks -Wno-unreachable-code %s
-// RUN: %clang_cc1 -triple i386-apple-darwin10 -analyze -analyzer-experimental-internal-checks -analyzer-check-objc-mem -analyzer-checker=core.experimental.IdempotentOps -analyzer-checker=core.experimental.CastToStruct -analyzer-checker=cocoa.AtSync -analyzer-store=region -analyzer-constraints=range -verify -fblocks -Wno-unreachable-code %s
-// RUN: %clang_cc1 -triple x86_64-apple-darwin10 -analyze -analyzer-experimental-internal-checks -analyzer-check-objc-mem -analyzer-checker=core.experimental.IdempotentOps -analyzer-checker=core.experimental.CastToStruct -analyzer-checker=cocoa.AtSync -analyzer-store=basic -fobjc-gc -analyzer-constraints=basic -verify -fblocks -Wno-unreachable-code %s
-// RUN: %clang_cc1 -triple x86_64-apple-darwin10 -analyze -analyzer-experimental-internal-checks -analyzer-check-objc-mem -analyzer-checker=core.experimental.IdempotentOps -analyzer-checker=core.experimental.CastToStruct -analyzer-checker=cocoa.AtSync -analyzer-store=basic -analyzer-constraints=range -verify -fblocks -Wno-unreachable-code %s
-// RUN: %clang_cc1 -triple x86_64-apple-darwin10 -analyze -analyzer-experimental-internal-checks -analyzer-check-objc-mem -analyzer-checker=core.experimental.IdempotentOps -analyzer-checker=core.experimental.CastToStruct -analyzer-checker=cocoa.AtSync -analyzer-store=region -analyzer-constraints=basic -verify -fblocks -Wno-unreachable-code %s
-// RUN: %clang_cc1 -triple x86_64-apple-darwin10 -analyze -analyzer-experimental-internal-checks -analyzer-check-objc-mem -analyzer-checker=core.experimental.IdempotentOps -analyzer-checker=core.experimental.CastToStruct -analyzer-checker=cocoa.AtSync -analyzer-store=region -analyzer-constraints=range -verify -fblocks -Wno-unreachable-code %s
+// RUN: %clang_cc1 -triple i386-apple-darwin10 -analyze -analyzer-experimental-internal-checks -analyzer-check-objc-mem -analyzer-checker=core.experimental.IdempotentOps,core.experimental.CastToStruct,cocoa.AtSync -analyzer-store=basic -fobjc-gc -analyzer-constraints=basic -verify -fblocks -Wno-unreachable-code %s
+// RUN: %clang_cc1 -triple i386-apple-darwin10 -analyze -analyzer-experimental-internal-checks -analyzer-check-objc-mem -analyzer-checker=core.experimental.IdempotentOps,core.experimental.CastToStruct,cocoa.AtSync -analyzer-store=basic -analyzer-constraints=range -verify -fblocks -Wno-unreachable-code %s
+// RUN: %clang_cc1 -triple i386-apple-darwin10 -analyze -analyzer-experimental-internal-checks -analyzer-check-objc-mem -analyzer-checker=core.experimental.IdempotentOps,core.experimental.CastToStruct,cocoa.AtSync -analyzer-store=region -analyzer-constraints=basic -verify -fblocks -Wno-unreachable-code %s
+// RUN: %clang_cc1 -triple i386-apple-darwin10 -analyze -analyzer-experimental-internal-checks -analyzer-check-objc-mem -analyzer-checker=core.experimental.IdempotentOps,core.experimental.CastToStruct,cocoa.AtSync -analyzer-store=region -analyzer-constraints=range -verify -fblocks -Wno-unreachable-code %s
+// RUN: %clang_cc1 -triple x86_64-apple-darwin10 -analyze -analyzer-experimental-internal-checks -analyzer-check-objc-mem -analyzer-checker=core.experimental.IdempotentOps,core.experimental.CastToStruct,cocoa.AtSync -analyzer-store=basic -fobjc-gc -analyzer-constraints=basic -verify -fblocks -Wno-unreachable-code %s
+// RUN: %clang_cc1 -triple x86_64-apple-darwin10 -analyze -analyzer-experimental-internal-checks -analyzer-check-objc-mem -analyzer-checker=core.experimental.IdempotentOps,core.experimental.CastToStruct,cocoa.AtSync -analyzer-store=basic -analyzer-constraints=range -verify -fblocks -Wno-unreachable-code %s
+// RUN: %clang_cc1 -triple x86_64-apple-darwin10 -analyze -analyzer-experimental-internal-checks -analyzer-check-objc-mem -analyzer-checker=core.experimental.IdempotentOps,core.experimental.CastToStruct,cocoa.AtSync -analyzer-store=region -analyzer-constraints=basic -verify -fblocks -Wno-unreachable-code %s
+// RUN: %clang_cc1 -triple x86_64-apple-darwin10 -analyze -analyzer-experimental-internal-checks -analyzer-check-objc-mem -analyzer-checker=core.experimental.IdempotentOps,core.experimental.CastToStruct,cocoa.AtSync -analyzer-store=region -analyzer-constraints=range -verify -fblocks -Wno-unreachable-code %s
 
 #ifndef __clang_analyzer__
 #error __clang__analyzer__ not defined
diff --git a/test/Analysis/ptr-arith.c b/test/Analysis/ptr-arith.c
index 044d72a..fe37895 100644
--- a/test/Analysis/ptr-arith.c
+++ b/test/Analysis/ptr-arith.c
@@ -1,5 +1,5 @@
-// RUN: %clang_cc1 -analyze -analyzer-checker=core.experimental.FixedAddr -analyzer-checker=core.experimental.PointerArithm -analyzer-checker=core.experimental.PointerSub -analyzer-check-objc-mem -analyzer-store=region -verify -triple x86_64-apple-darwin9 %s
-// RUN: %clang_cc1 -analyze -analyzer-checker=core.experimental.FixedAddr -analyzer-checker=core.experimental.PointerArithm -analyzer-checker=core.experimental.PointerSub -analyzer-check-objc-mem -analyzer-store=region -verify -triple i686-apple-darwin9 %s
+// RUN: %clang_cc1 -analyze -analyzer-checker=core.experimental.FixedAddr,core.experimental.PointerArithm,core.experimental.PointerSub -analyzer-check-objc-mem -analyzer-store=region -verify -triple x86_64-apple-darwin9 %s
+// RUN: %clang_cc1 -analyze -analyzer-checker=core.experimental.FixedAddr,core.experimental.PointerArithm,core.experimental.PointerSub -analyzer-check-objc-mem -analyzer-store=region -verify -triple i686-apple-darwin9 %s
 
 // Used to trigger warnings for unreachable paths.
 #define WARN do { int a, b; int c = &b-&a; } while (0)
diff --git a/test/Analysis/retain-release.m b/test/Analysis/retain-release.m
index 71e1620..5cc29b0 100644
--- a/test/Analysis/retain-release.m
+++ b/test/Analysis/retain-release.m
@@ -1,5 +1,5 @@
-// RUN: %clang_cc1 -triple x86_64-apple-darwin10 -analyze -analyzer-checker=macosx.CFRetainRelease -analyzer-checker=cocoa.ClassRelease -analyzer-check-objc-mem -analyzer-store=basic -fblocks -verify %s
-// RUN: %clang_cc1 -triple x86_64-apple-darwin10 -analyze -analyzer-checker=macosx.CFRetainRelease -analyzer-checker=cocoa.ClassRelease -analyzer-check-objc-mem -analyzer-store=region -fblocks -verify %s
+// RUN: %clang_cc1 -triple x86_64-apple-darwin10 -analyze -analyzer-checker=macosx.CFRetainRelease,cocoa.ClassRelease -analyzer-check-objc-mem -analyzer-store=basic -fblocks -verify %s
+// RUN: %clang_cc1 -triple x86_64-apple-darwin10 -analyze -analyzer-checker=macosx.CFRetainRelease,cocoa.ClassRelease -analyzer-check-objc-mem -analyzer-store=region -fblocks -verify %s
 
 #if __has_feature(attribute_ns_returns_retained)
 #define NS_RETURNS_RETAINED __attribute__((ns_returns_retained))
diff --git a/test/Analysis/string.c b/test/Analysis/string.c
index ac53ae4..7561151 100644
--- a/test/Analysis/string.c
+++ b/test/Analysis/string.c
@@ -1,7 +1,7 @@
-// RUN: %clang_cc1 -analyze -analyzer-checker=core.experimental.CString -analyzer-checker=core.experimental.UnreachableCode -analyzer-check-objc-mem -analyzer-store=region -verify %s
-// RUN: %clang_cc1 -analyze -DUSE_BUILTINS -analyzer-checker=core.experimental.CString -analyzer-checker=core.experimental.UnreachableCode -analyzer-check-objc-mem -analyzer-store=region -verify %s
-// RUN: %clang_cc1 -analyze -DVARIANT -analyzer-checker=core.experimental.CString -analyzer-checker=core.experimental.UnreachableCode -analyzer-check-objc-mem -analyzer-store=region -verify %s
-// RUN: %clang_cc1 -analyze -DUSE_BUILTINS -DVARIANT -analyzer-checker=core.experimental.CString -analyzer-checker=core.experimental.UnreachableCode -analyzer-check-objc-mem -analyzer-store=region -verify %s
+// RUN: %clang_cc1 -analyze -analyzer-checker=core.experimental.CString,core.experimental.UnreachableCode -analyzer-check-objc-mem -analyzer-store=region -verify %s
+// RUN: %clang_cc1 -analyze -DUSE_BUILTINS -analyzer-checker=core.experimental.CString,core.experimental.UnreachableCode -analyzer-check-objc-mem -analyzer-store=region -verify %s
+// RUN: %clang_cc1 -analyze -DVARIANT -analyzer-checker=core.experimental.CString,core.experimental.UnreachableCode -analyzer-check-objc-mem -analyzer-store=region -verify %s
+// RUN: %clang_cc1 -analyze -DUSE_BUILTINS -DVARIANT -analyzer-checker=core.experimental.CString,core.experimental.UnreachableCode -analyzer-check-objc-mem -analyzer-store=region -verify %s
 
 //===----------------------------------------------------------------------===
 // Declarations
diff --git a/test/Analysis/unix-fns.c b/test/Analysis/unix-fns.c
index 9f5362d..656a1c9 100644
--- a/test/Analysis/unix-fns.c
+++ b/test/Analysis/unix-fns.c
@@ -1,5 +1,5 @@
-// RUN: %clang_cc1 -triple x86_64-apple-darwin10 -analyze -analyzer-check-objc-mem -analyzer-checker=unix.API -analyzer-checker=macosx.API %s -analyzer-store=region -fblocks -verify
-// RUN: %clang_cc1 -triple x86_64-apple-darwin10 -analyze -analyzer-check-objc-mem -analyzer-checker=unix.API -analyzer-checker=macosx.API %s -analyzer-store=basic -fblocks -verify
+// RUN: %clang_cc1 -triple x86_64-apple-darwin10 -analyze -analyzer-check-objc-mem -analyzer-checker=unix.API,macosx.API %s -analyzer-store=region -fblocks -verify
+// RUN: %clang_cc1 -triple x86_64-apple-darwin10 -analyze -analyzer-check-objc-mem -analyzer-checker=unix.API,macosx.API %s -analyzer-store=basic -fblocks -verify
 
 struct _opaque_pthread_once_t {
   long __sig;
diff --git a/test/Analysis/unreachable-code-path.c b/test/Analysis/unreachable-code-path.c
index 52e6d3d..6ae0822 100644
--- a/test/Analysis/unreachable-code-path.c
+++ b/test/Analysis/unreachable-code-path.c
@@ -1,4 +1,4 @@
-// RUN: %clang_cc1 -analyze -analyzer-checker=core.experimental.UnreachableCode -analyzer-check-objc-mem -analyzer-checker=core.DeadStores -verify -analyzer-opt-analyze-nested-blocks -Wno-unused-value %s
+// RUN: %clang_cc1 -analyze -analyzer-checker=core.DeadStores,core.experimental.UnreachableCode -analyzer-check-objc-mem -verify -analyzer-opt-analyze-nested-blocks -Wno-unused-value %s
 
 extern void foo(int a);