Index: test/CodeGenCXX/ctor-globalopt.cpp
===================================================================
--- test/CodeGenCXX/ctor-globalopt.cpp
+++ test/CodeGenCXX/ctor-globalopt.cpp
@@ -4,7 +4,7 @@
 // RUN: %clang_cc1 -triple %ms_abi_triple -emit-llvm -o - %s -O1 | FileCheck %s --check-prefix=O1
 
 // Check that GlobalOpt can eliminate static constructors for simple implicit
-// constructors. This is a targetted integration test to make sure that LLVM's
+// constructors. This is a targeted integration test to make sure that LLVM's
 // optimizers are able to process Clang's IR. GlobalOpt in particular is
 // sensitive to the casts we emit.
 
Index: test/CodeGenCXX/homogeneous-aggregates.cpp
===================================================================
--- test/CodeGenCXX/homogeneous-aggregates.cpp
+++ test/CodeGenCXX/homogeneous-aggregates.cpp
@@ -91,7 +91,7 @@
 // ARM32: define arm_aapcs_vfpcc void @_Z15with_empty_base16HVAWithEmptyBase(%struct.HVAWithEmptyBase %a.coerce)
 void CC with_empty_base(HVAWithEmptyBase a) {}
 
-// FIXME: MSVC doesn't consider this an HVA becuase of the empty base.
+// FIXME: MSVC doesn't consider this an HVA because of the empty base.
 // X64: define x86_vectorcallcc void @"\01_Z15with_empty_base16HVAWithEmptyBase@@16"(float %a.0, float %a.1, float %a.2)
 
 struct HVAWithEmptyBitField : Float1, Float2 {
Index: test/CodeGenCXX/microsoft-abi-vtables-virtual-inheritance-vtordisps.cpp
===================================================================
--- test/CodeGenCXX/microsoft-abi-vtables-virtual-inheritance-vtordisps.cpp
+++ test/CodeGenCXX/microsoft-abi-vtables-virtual-inheritance-vtordisps.cpp
@@ -33,7 +33,7 @@
 
 namespace simple {
 // In case of a single-layer virtual inheritance, the "this" adjustment for a
-// virtual method is done staically:
+// virtual method is done statically:
 //   struct A {
 //     virtual void f();  // Expects "(A*)this" in ECX
 //   };
@@ -222,7 +222,7 @@
 
 namespace extended {
 // If a virtual function requires vtordisp adjustment and the final overrider
-// is defined in another vitual base of the most derived class,
+// is defined in another virtual base of the most derived class,
 // we need to know two vbase offsets.
 // In this case, we should use the extended form of vtordisp thunks, called
 // vtordispex thunks.