diff --git a/clang/lib/Frontend/CompilerInvocation.cpp b/clang/lib/Frontend/CompilerInvocation.cpp
--- a/clang/lib/Frontend/CompilerInvocation.cpp
+++ b/clang/lib/Frontend/CompilerInvocation.cpp
@@ -3088,7 +3088,7 @@
     case Language::LLVM_IR:
       llvm_unreachable("Invalid input kind!");
     case Language::OpenCL:
-      LangStd = LangStandard::lang_opencl10;
+      LangStd = LangStandard::lang_opencl12;
       break;
     case Language::OpenCLCXX:
       LangStd = LangStandard::lang_openclcpp;
diff --git a/clang/lib/Sema/SemaDecl.cpp b/clang/lib/Sema/SemaDecl.cpp
--- a/clang/lib/Sema/SemaDecl.cpp
+++ b/clang/lib/Sema/SemaDecl.cpp
@@ -8819,7 +8819,7 @@
     // OpenCL v3.0 s6.11.a:
     // A kernel function argument cannot be declared as a pointer to a pointer
     // type. [...] This restriction only applies to OpenCL C 1.2 or below.
-    if (S.getLangOpts().OpenCLVersion < 120 &&
+    if (S.getLangOpts().OpenCLVersion <= 120 &&
         !S.getLangOpts().OpenCLCPlusPlus) {
       S.Diag(Param->getLocation(), diag::err_opencl_ptrptr_kernel_param);
       D.setInvalidType();
diff --git a/clang/test/CodeGenOpenCL/spir_version.cl b/clang/test/CodeGenOpenCL/spir_version.cl
--- a/clang/test/CodeGenOpenCL/spir_version.cl
+++ b/clang/test/CodeGenOpenCL/spir_version.cl
@@ -1,14 +1,13 @@
-// RUN: %clang_cc1 %s -triple "spir-unknown-unknown" -emit-llvm -o - | FileCheck %s --check-prefix=CHECK-SPIR-CL10
+// RUN: %clang_cc1 %s -triple "spir-unknown-unknown" -emit-llvm -o - -cl-std=CL1.0 | FileCheck %s --check-prefix=CHECK-SPIR-CL10
 // RUN: %clang_cc1 %s -triple "spir-unknown-unknown" -emit-llvm -o - -cl-std=CL1.2 | FileCheck %s --check-prefix=CHECK-SPIR-CL12
 // RUN: %clang_cc1 %s -triple "spir-unknown-unknown" -emit-llvm -o - -cl-std=CL2.0 | FileCheck %s --check-prefix=CHECK-SPIR-CL20
-// RUN: %clang_cc1 %s -triple "spir64-unknown-unknown" -emit-llvm -o - | FileCheck %s --check-prefix=CHECK-SPIR-CL10
+// RUN: %clang_cc1 %s -triple "spir64-unknown-unknown" -emit-llvm -o - -cl-std=CL1.0 | FileCheck %s --check-prefix=CHECK-SPIR-CL10
 // RUN: %clang_cc1 %s -triple "spir64-unknown-unknown" -emit-llvm -o - -cl-std=CL1.2 | FileCheck %s --check-prefix=CHECK-SPIR-CL12
 // RUN: %clang_cc1 %s -triple "spir64-unknown-unknown" -emit-llvm -o - -cl-std=CL2.0 | FileCheck %s --check-prefix=CHECK-SPIR-CL20
 
-
 // RUN: %clang_cc1 %s -triple "spir64-unknown-unknown" -emit-llvm -o - -cl-std=clc++ | FileCheck %s --check-prefix=CHECK-SPIR-CL20
 
-// RUN: %clang_cc1 %s -triple "amdgcn--amdhsa" -emit-llvm -o - | FileCheck %s --check-prefix=CHECK-AMDGCN-CL10
+// RUN: %clang_cc1 %s -triple "amdgcn--amdhsa" -emit-llvm -o - -cl-std=CL1.0 | FileCheck %s --check-prefix=CHECK-AMDGCN-CL10
 // RUN: %clang_cc1 %s -triple "amdgcn--amdhsa" -emit-llvm -o - -cl-std=CL1.2 | FileCheck %s --check-prefix=CHECK-AMDGCN-CL12
 // RUN: %clang_cc1 %s -triple "amdgcn--amdhsa" -emit-llvm -o - -cl-std=CL2.0 | FileCheck %s --check-prefix=CHECK-AMDGCN-CL20
 
diff --git a/clang/test/Parser/opencl-atomics-cl20.cl b/clang/test/Parser/opencl-atomics-cl20.cl
--- a/clang/test/Parser/opencl-atomics-cl20.cl
+++ b/clang/test/Parser/opencl-atomics-cl20.cl
@@ -4,7 +4,7 @@
 // RUN: %clang_cc1 %s -triple spir64-unknown-unknown -verify -fsyntax-only -cl-std=CLC++
 // RUN: %clang_cc1 %s -triple spir64-unknown-unknown -verify -fsyntax-only -cl-std=CL2.0 -cl-ext=-cl_khr_int64_base_atomics
 
-#if defined(__OPENCL_CPP_VERSION__) || __OPENCL_C_VERSION__ >= CL_VERSION_1_2
+#if defined(__OPENCL_CPP_VERSION__) || __OPENCL_C_VERSION__ >= CL_VERSION_2_0
 #define LANG_VER_OK
 #endif
 
diff --git a/clang/test/Parser/opencl-cl20.cl b/clang/test/Parser/opencl-cl20.cl
--- a/clang/test/Parser/opencl-cl20.cl
+++ b/clang/test/Parser/opencl-cl20.cl
@@ -1,7 +1,7 @@
 // RUN: %clang_cc1 %s -verify -pedantic -fsyntax-only
-// RUN: %clang_cc1 %s -verify -pedantic -fsyntax-only -cl-std=CL2.0 -DCL20
+// RUN: %clang_cc1 %s -verify -pedantic -fsyntax-only -cl-std=CL2.0
 
-#ifdef CL20
+#if __OPENCL_C_VERSION__ == CL_VERSION_2_0
 // expected-no-diagnostics
 #endif
 
@@ -9,18 +9,18 @@
   __generic int *var;
   return var;  
 }
-#ifndef CL20
-// expected-error@-5 {{OpenCL C version 1.0 does not support the '__generic' type qualifier}}
-// expected-error@-6 {{OpenCL C version 1.0 does not support the '__generic' type qualifier}}
-// expected-error@-6 {{OpenCL C version 1.0 does not support the '__generic' type qualifier}}
+#if __OPENCL_C_VERSION__ != CL_VERSION_2_0
+// expected-error@-5 {{OpenCL C version 1.2 does not support the '__generic' type qualifier}}
+// expected-error@-6 {{OpenCL C version 1.2 does not support the '__generic' type qualifier}}
+// expected-error@-6 {{OpenCL C version 1.2 does not support the '__generic' type qualifier}}
 #endif
 
 generic int * generic_test(generic int *arg) {
   generic int *var;
   return var;  
 }
-#ifndef CL20
-// expected-error@-5 {{OpenCL C version 1.0 does not support the 'generic' type qualifier}}
-// expected-error@-6 {{OpenCL C version 1.0 does not support the 'generic' type qualifier}}
-// expected-error@-6 {{OpenCL C version 1.0 does not support the 'generic' type qualifier}}
+#if __OPENCL_C_VERSION__ != CL_VERSION_2_0
+// expected-error@-5 {{OpenCL C version 1.2 does not support the 'generic' type qualifier}}
+// expected-error@-6 {{OpenCL C version 1.2 does not support the 'generic' type qualifier}}
+// expected-error@-6 {{OpenCL C version 1.2 does not support the 'generic' type qualifier}}
 #endif
diff --git a/clang/test/Parser/opencl-storage-class.cl b/clang/test/Parser/opencl-storage-class.cl
--- a/clang/test/Parser/opencl-storage-class.cl
+++ b/clang/test/Parser/opencl-storage-class.cl
@@ -1,4 +1,4 @@
-// RUN: %clang_cc1 %s -verify -fsyntax-only -triple spir-unknown-unknown
+// RUN: %clang_cc1 %s -cl-std=CL1.0 -verify -fsyntax-only -triple spir-unknown-unknown
 
 void test_storage_class_specs()
 {
diff --git a/clang/test/Preprocessor/predefined-macros.c b/clang/test/Preprocessor/predefined-macros.c
--- a/clang/test/Preprocessor/predefined-macros.c
+++ b/clang/test/Preprocessor/predefined-macros.c
@@ -122,7 +122,7 @@
 // CHECK-SYNC_CAS_MIPS64: #define __GCC_HAVE_SYNC_COMPARE_AND_SWAP_8 1
 
 // RUN: %clang_cc1 %s -E -dM -o - -x cl \
-// RUN:   | FileCheck -match-full-lines %s --check-prefix=CHECK-CL10
+// RUN:   | FileCheck -match-full-lines %s --check-prefix=CHECK-CL12
 // RUN: %clang_cc1 %s -E -dM -o - -x cl -cl-std=CL1.0 \
 // RUN:   | FileCheck -match-full-lines %s --check-prefix=CHECK-CL10
 // RUN: %clang_cc1 %s -E -dM -o - -x cl -cl-std=CL1.1 \
diff --git a/clang/test/SemaOpenCL/fp64-fp16-options.cl b/clang/test/SemaOpenCL/fp64-fp16-options.cl
--- a/clang/test/SemaOpenCL/fp64-fp16-options.cl
+++ b/clang/test/SemaOpenCL/fp64-fp16-options.cl
@@ -1,30 +1,30 @@
-// RUN: %clang_cc1 %s -triple spir-unknown-unknown -verify -pedantic -fsyntax-only
+// RUN: %clang_cc1 %s -triple spir-unknown-unknown -verify -pedantic -fsyntax-only -cl-std=CL1.0
 // RUN: %clang_cc1 %s -triple spir-unknown-unknown -verify -pedantic -fsyntax-only -cl-std=CL1.1
 // RUN: %clang_cc1 %s -triple spir-unknown-unknown -verify -fsyntax-only -cl-std=CL1.1 -DNOPEDANTIC
 // RUN: %clang_cc1 %s -triple spir-unknown-unknown -verify -pedantic -fsyntax-only -cl-std=CL1.2 -DFP64
 
 // Test with a target not supporting fp64.
-// RUN: %clang_cc1 %s -triple r600-unknown-unknown -target-cpu r600 -verify -pedantic -fsyntax-only -DNOFP64 -DNOFP16
+// RUN: %clang_cc1 %s -cl-std=CL1.0 -triple r600-unknown-unknown -target-cpu r600 -verify -pedantic -fsyntax-only -DNOFP64 -DNOFP16
 // RUN: %clang_cc1 -cl-std=CL3.0 %s -triple r600-unknown-unknown -target-cpu r600 -verify -pedantic -fsyntax-only -DNOFP64 -DNOFP16
 
 // Test with some extensions enabled or disabled by cmd-line args
 //
 // Target does not support fp64 and fp16 - override it
-// RUN: %clang_cc1 %s -triple r600-unknown-unknown -target-cpu r600 -verify -pedantic -fsyntax-only -cl-ext=+cl_khr_fp64,+cl_khr_fp16
+// RUN: %clang_cc1 %s -cl-std=CL1.0 -triple r600-unknown-unknown -target-cpu r600 -verify -pedantic -fsyntax-only -cl-ext=+cl_khr_fp64,+cl_khr_fp16
 //
 // Disable or enable all extensions
-// RUN: %clang_cc1 %s -triple spir-unknown-unknown -verify -pedantic -fsyntax-only -cl-ext=-all -DNOFP64 -DNOFP16
-// RUN: %clang_cc1 %s -triple r600-unknown-unknown -target-cpu r600 -verify -pedantic -fsyntax-only -cl-ext=+all
-// RUN: %clang_cc1 %s -triple r600-unknown-unknown -target-cpu r600 -verify -pedantic -fsyntax-only -cl-ext=+all,-cl_khr_fp64 -DNOFP64
-// RUN: %clang_cc1 %s -triple r600-unknown-unknown -target-cpu r600 -verify -pedantic -fsyntax-only -cl-ext=-all,+cl_khr_fp64 -DNOFP16
+// RUN: %clang_cc1 %s -cl-std=CL1.0 -triple spir-unknown-unknown -verify -pedantic -fsyntax-only -cl-ext=-all -DNOFP64 -DNOFP16
+// RUN: %clang_cc1 %s -cl-std=CL1.0 -triple r600-unknown-unknown -target-cpu r600 -verify -pedantic -fsyntax-only -cl-ext=+all
+// RUN: %clang_cc1 %s -cl-std=CL1.0 -triple r600-unknown-unknown -target-cpu r600 -verify -pedantic -fsyntax-only -cl-ext=+all,-cl_khr_fp64 -DNOFP64
+// RUN: %clang_cc1 %s -cl-std=CL1.0 -triple r600-unknown-unknown -target-cpu r600 -verify -pedantic -fsyntax-only -cl-ext=-all,+cl_khr_fp64 -DNOFP16
 // RUN: %clang_cc1 -cl-std=CL3.0 %s -triple spir-unknown-unknown -verify -pedantic -fsyntax-only -cl-ext=-all -DNOFP64 -DNOFP16
 // RUN: %clang_cc1 -cl-std=CL3.0 %s -triple r600-unknown-unknown -target-cpu r600 -verify -pedantic -fsyntax-only -cl-ext=+all -DFP64
 // RUN: %clang_cc1 -cl-std=CL3.0 %s -triple r600-unknown-unknown -target-cpu r600 -verify -pedantic -fsyntax-only -cl-ext=+all,-__opencl_c_fp64,-cl_khr_fp64 -DNOFP64
 //
 // Concatenating
-// RUN: %clang_cc1 %s -triple spir-unknown-unknown -verify -pedantic -fsyntax-only -cl-ext=-cl_khr_fp64 -cl-ext=+cl_khr_fp64
-// RUN: %clang_cc1 %s -triple spir-unknown-unknown -verify -pedantic -fsyntax-only -cl-ext=-cl_khr_fp64,+cl_khr_fp64
-// RUN: %clang_cc1 %s -triple spir-unknown-unknown -verify -pedantic -fsyntax-only -cl-ext=-all -cl-ext=+cl_khr_fp64 -cl-ext=+cl_khr_fp16 -cl-ext=-cl_khr_fp64 -DNOFP64
+// RUN: %clang_cc1 %s -cl-std=CL1.0 -triple spir-unknown-unknown -verify -pedantic -fsyntax-only -cl-ext=-cl_khr_fp64 -cl-ext=+cl_khr_fp64
+// RUN: %clang_cc1 %s -cl-std=CL1.0 -triple spir-unknown-unknown -verify -pedantic -fsyntax-only -cl-ext=-cl_khr_fp64,+cl_khr_fp64
+// RUN: %clang_cc1 %s -cl-std=CL1.0 -triple spir-unknown-unknown -verify -pedantic -fsyntax-only -cl-ext=-all -cl-ext=+cl_khr_fp64 -cl-ext=+cl_khr_fp16 -cl-ext=-cl_khr_fp64 -DNOFP64
 // RUN: %clang_cc1 %s -triple spir-unknown-unknown -verify -pedantic -fsyntax-only -cl-ext=-all -cl-ext=+cl_khr_fp64,-cl_khr_fp64,+cl_khr_fp16 -DNOFP64
 // RUN: %clang_cc1 -cl-std=CL3.0 %s -triple spir-unknown-unknown -verify -pedantic -fsyntax-only -cl-ext=-__opencl_c_fp64,-cl_khr_fp64 -cl-ext=+__opencl_c_fp64,+cl_khr_fp64 -DFP64
 // RUN: %clang_cc1 -cl-std=CL3.0 %s -triple spir-unknown-unknown -verify -pedantic -fsyntax-only -cl-ext=-__opencl_c_fp64,+__opencl_c_fp64,+cl_khr_fp64 -DFP64
diff --git a/clang/test/SemaOpenCL/func.cl b/clang/test/SemaOpenCL/func.cl
--- a/clang/test/SemaOpenCL/func.cl
+++ b/clang/test/SemaOpenCL/func.cl
@@ -1,6 +1,6 @@
-// RUN: %clang_cc1 %s -verify -pedantic -fsyntax-only -triple spir-unknown-unknown
-// RUN: %clang_cc1 %s -verify -pedantic -fsyntax-only -triple spir-unknown-unknown -DFUNCPTREXT
-// RUN: %clang_cc1 %s -verify -pedantic -fsyntax-only -triple spir-unknown-unknown -DVARARGEXT
+// RUN: %clang_cc1 %s -cl-std=CL1.0 -verify -pedantic -fsyntax-only -triple spir-unknown-unknown
+// RUN: %clang_cc1 %s -cl-std=CL1.0 -verify -pedantic -fsyntax-only -triple spir-unknown-unknown -DFUNCPTREXT
+// RUN: %clang_cc1 %s -cl-std=CL1.0 -verify -pedantic -fsyntax-only -triple spir-unknown-unknown -DVARARGEXT
 
 #ifdef FUNCPTREXT
 #pragma OPENCL EXTENSION __cl_clang_function_pointers : enable