diff --git a/clang/test/CodeGen/X86/avx512-reduceIntrin.c b/clang/test/CodeGen/X86/avx512-reduceIntrin.c
index 4069b463e3f11..598bca4c538bf 100644
--- a/clang/test/CodeGen/X86/avx512-reduceIntrin.c
+++ b/clang/test/CodeGen/X86/avx512-reduceIntrin.c
@@ -3,6 +3,12 @@
 // RUN: %clang_cc1 -x c++ -ffreestanding %s -O0 -triple=x86_64-apple-darwin -target-cpu skylake-avx512 -emit-llvm -o - -Wall -Werror | FileCheck %s
 // RUN: %clang_cc1 -x c++ -ffreestanding %s -O0 -triple=i386-apple-darwin -target-cpu skylake-avx512 -emit-llvm -o - -Wall -Werror | FileCheck %s
 
+// RUN: %clang_cc1 -x c -ffreestanding %s -O0 -triple=x86_64-apple-darwin -target-cpu skylake-avx512 -emit-llvm -o - -Wall -Werror -fexperimental-new-constant-interpreter | FileCheck %s
+// RUN: %clang_cc1 -x c -ffreestanding %s -O0 -triple=i386-apple-darwin -target-cpu skylake-avx512 -emit-llvm -o - -Wall -Werror -fexperimental-new-constant-interpreter | FileCheck %s
+// RUN: %clang_cc1 -x c++ -ffreestanding %s -O0 -triple=x86_64-apple-darwin -target-cpu skylake-avx512 -emit-llvm -o - -Wall -Werror -fexperimental-new-constant-interpreter | FileCheck %s
+// RUN: %clang_cc1 -x c++ -ffreestanding %s -O0 -triple=i386-apple-darwin -target-cpu skylake-avx512 -emit-llvm -o - -Wall -Werror -fexperimental-new-constant-interpreter | FileCheck %s
+
+
 #include <immintrin.h>
 #include "builtin_test_helpers.h"
 
diff --git a/clang/test/CodeGen/X86/avx512-reduceMinMaxIntrin.c b/clang/test/CodeGen/X86/avx512-reduceMinMaxIntrin.c
index 0110079a007d5..309fc289abc7f 100644
--- a/clang/test/CodeGen/X86/avx512-reduceMinMaxIntrin.c
+++ b/clang/test/CodeGen/X86/avx512-reduceMinMaxIntrin.c
@@ -3,6 +3,11 @@
 // RUN: %clang_cc1 -x c++ -ffreestanding %s -O0 -triple=x86_64-apple-darwin -target-cpu skylake-avx512 -emit-llvm -o - -Wall -Werror | FileCheck %s
 // RUN: %clang_cc1 -x c++ -ffreestanding %s -O0 -triple=i386-apple-darwin -target-cpu skylake-avx512 -emit-llvm -o - -Wall -Werror | FileCheck %s
 
+// RUN: %clang_cc1 -x c -ffreestanding %s -O0 -triple=x86_64-apple-darwin -target-cpu skylake-avx512 -emit-llvm -o - -Wall -Werror -fexperimental-new-constant-interpreter | FileCheck %s
+// RUN: %clang_cc1 -x c -ffreestanding %s -O0 -triple=i386-apple-darwin -target-cpu skylake-avx512 -emit-llvm -o - -Wall -Werror -fexperimental-new-constant-interpreter | FileCheck %s
+// RUN: %clang_cc1 -x c++ -ffreestanding %s -O0 -triple=x86_64-apple-darwin -target-cpu skylake-avx512 -emit-llvm -o - -Wall -Werror -fexperimental-new-constant-interpreter | FileCheck %s
+// RUN: %clang_cc1 -x c++ -ffreestanding %s -O0 -triple=i386-apple-darwin -target-cpu skylake-avx512 -emit-llvm -o - -Wall -Werror -fexperimental-new-constant-interpreter | FileCheck %s
+
 #include <immintrin.h>
 #include "builtin_test_helpers.h"
 
diff --git a/clang/test/CodeGen/X86/avx512bitalg-builtins.c b/clang/test/CodeGen/X86/avx512bitalg-builtins.c
index 8092f2d30214a..3ac8674421d93 100644
--- a/clang/test/CodeGen/X86/avx512bitalg-builtins.c
+++ b/clang/test/CodeGen/X86/avx512bitalg-builtins.c
@@ -3,6 +3,12 @@
 // RUN: %clang_cc1 -x c++ -flax-vector-conversions=none -ffreestanding %s -triple=x86_64-apple-darwin -target-feature +avx512bitalg -emit-llvm -o - -Wall -Werror | FileCheck %s
 // RUN: %clang_cc1 -x c++ -flax-vector-conversions=none -ffreestanding %s -triple=i386-apple-darwin -target-feature +avx512bitalg -emit-llvm -o - -Wall -Werror | FileCheck %s
 
+// RUN: %clang_cc1 -x c -flax-vector-conversions=none -ffreestanding %s -triple=x86_64-apple-darwin -target-feature +avx512bitalg -emit-llvm -o - -Wall -Werror -fexperimental-new-constant-interpreter | FileCheck %s
+// RUN: %clang_cc1 -x c -flax-vector-conversions=none -ffreestanding %s -triple=i386-apple-darwin -target-feature +avx512bitalg -emit-llvm -o - -Wall -Werror -fexperimental-new-constant-interpreter | FileCheck %s
+// RUN: %clang_cc1 -x c++ -flax-vector-conversions=none -ffreestanding %s -triple=x86_64-apple-darwin -target-feature +avx512bitalg -emit-llvm -o - -Wall -Werror -fexperimental-new-constant-interpreter | FileCheck %s
+// RUN: %clang_cc1 -x c++ -flax-vector-conversions=none -ffreestanding %s -triple=i386-apple-darwin -target-feature +avx512bitalg -emit-llvm -o - -Wall -Werror -fexperimental-new-constant-interpreter | FileCheck %s
+
+
 #include <immintrin.h>
 #include "builtin_test_helpers.h"
 
diff --git a/clang/test/CodeGen/X86/avx512bw-builtins.c b/clang/test/CodeGen/X86/avx512bw-builtins.c
index 6e10af2c282e0..9fe660ce1d208 100644
--- a/clang/test/CodeGen/X86/avx512bw-builtins.c
+++ b/clang/test/CodeGen/X86/avx512bw-builtins.c
@@ -3,6 +3,11 @@
 // RUN: %clang_cc1 -x c++ -flax-vector-conversions=none -ffreestanding %s -triple=x86_64-apple-darwin -target-feature +avx512bw -emit-llvm -o - -Wall -Werror -Wsign-conversion | FileCheck %s
 // RUN: %clang_cc1 -x c++ -flax-vector-conversions=none -ffreestanding %s -triple=x86_64-apple-darwin -target-feature +avx512bw -fno-signed-char -emit-llvm -o - -Wall -Werror -Wsign-conversion | FileCheck %s
 
+// RUN: %clang_cc1 -x c -flax-vector-conversions=none -ffreestanding %s -triple=x86_64-apple-darwin -target-feature +avx512bw -emit-llvm -o - -Wall -Werror -Wsign-conversion -fexperimental-new-constant-interpreter | FileCheck %s
+// RUN: %clang_cc1 -x c -flax-vector-conversions=none -ffreestanding %s -triple=x86_64-apple-darwin -target-feature +avx512bw -fno-signed-char -emit-llvm -o - -Wall -Werror -Wsign-conversion -fexperimental-new-constant-interpreter | FileCheck %s
+// RUN: %clang_cc1 -x c++ -flax-vector-conversions=none -ffreestanding %s -triple=x86_64-apple-darwin -target-feature +avx512bw -emit-llvm -o - -Wall -Werror -Wsign-conversion -fexperimental-new-constant-interpreter | FileCheck %s
+// RUN: %clang_cc1 -x c++ -flax-vector-conversions=none -ffreestanding %s -triple=x86_64-apple-darwin -target-feature +avx512bw -fno-signed-char -emit-llvm -o - -Wall -Werror -Wsign-conversion -fexperimental-new-constant-interpreter | FileCheck %s
+
 
 #include <immintrin.h>
 #include "builtin_test_helpers.h"
diff --git a/clang/test/CodeGen/X86/avx512dq-builtins.c b/clang/test/CodeGen/X86/avx512dq-builtins.c
index 47e5a3ffeeff4..d2bd7808ca91d 100644
--- a/clang/test/CodeGen/X86/avx512dq-builtins.c
+++ b/clang/test/CodeGen/X86/avx512dq-builtins.c
@@ -3,6 +3,11 @@
 // RUN: %clang_cc1 -x c++ -flax-vector-conversions=none -ffreestanding %s -triple=x86_64-apple-darwin -target-feature +avx512dq -emit-llvm -o - -Wall -Werror | FileCheck %s
 // RUN: %clang_cc1 -x c++ -flax-vector-conversions=none -ffreestanding %s -triple=i386-apple-darwin -target-feature +avx512dq -emit-llvm -o - -Wall -Werror | FileCheck %s
 
+// RUN: %clang_cc1 -x c -flax-vector-conversions=none -ffreestanding %s -triple=x86_64-apple-darwin -target-feature +avx512dq -emit-llvm -o - -Wall -Werror -fexperimental-new-constant-interpreter | FileCheck %s
+// RUN: %clang_cc1 -x c -flax-vector-conversions=none -ffreestanding %s -triple=i386-apple-darwin -target-feature +avx512dq -emit-llvm -o - -Wall -Werror -fexperimental-new-constant-interpreter | FileCheck %s
+// RUN: %clang_cc1 -x c++ -flax-vector-conversions=none -ffreestanding %s -triple=x86_64-apple-darwin -target-feature +avx512dq -emit-llvm -o - -Wall -Werror -fexperimental-new-constant-interpreter | FileCheck %s
+// RUN: %clang_cc1 -x c++ -flax-vector-conversions=none -ffreestanding %s -triple=i386-apple-darwin -target-feature +avx512dq -emit-llvm -o - -Wall -Werror -fexperimental-new-constant-interpreter | FileCheck %s
+
 
 #include <immintrin.h>
 #include "builtin_test_helpers.h"
diff --git a/clang/test/CodeGen/X86/avx512fp16-builtins.c b/clang/test/CodeGen/X86/avx512fp16-builtins.c
index 02a5283dce953..1dbbbe22bfa33 100644
--- a/clang/test/CodeGen/X86/avx512fp16-builtins.c
+++ b/clang/test/CodeGen/X86/avx512fp16-builtins.c
@@ -3,6 +3,12 @@
 // RUN: %clang_cc1 -x c++ -ffreestanding -flax-vector-conversions=none %s -triple=x86_64-unknown-unknown -target-feature +avx512fp16 -emit-llvm -o - -Wall -Werror | FileCheck %s --check-prefixes=CHECK,X64
 // RUN: %clang_cc1 -x c++ -ffreestanding -flax-vector-conversions=none %s -triple=i686-unknown-unknown -target-feature +avx512fp16 -emit-llvm -o - -Wall -Werror | FileCheck %s --check-prefixes=CHECK
 
+// RUN: %clang_cc1 -x c -ffreestanding -flax-vector-conversions=none %s -triple=x86_64-unknown-unknown -target-feature +avx512fp16 -emit-llvm -o - -Wall -Werror -fexperimental-new-constant-interpreter | FileCheck %s --check-prefixes=CHECK,X64
+// RUN: %clang_cc1 -x c -ffreestanding -flax-vector-conversions=none %s -triple=i686-unknown-unknown -target-feature +avx512fp16 -emit-llvm -o - -Wall -Werror -fexperimental-new-constant-interpreter | FileCheck %s --check-prefixes=CHECK
+// RUN: %clang_cc1 -x c++ -ffreestanding -flax-vector-conversions=none %s -triple=x86_64-unknown-unknown -target-feature +avx512fp16 -emit-llvm -o - -Wall -Werror -fexperimental-new-constant-interpreter | FileCheck %s --check-prefixes=CHECK,X64
+// RUN: %clang_cc1 -x c++ -ffreestanding -flax-vector-conversions=none %s -triple=i686-unknown-unknown -target-feature +avx512fp16 -emit-llvm -o - -Wall -Werror -fexperimental-new-constant-interpreter | FileCheck %s --check-prefixes=CHECK
+
+
 #include <immintrin.h>
 #include "builtin_test_helpers.h"
 
diff --git a/clang/test/CodeGen/X86/avx512vl-builtins.c b/clang/test/CodeGen/X86/avx512vl-builtins.c
index 6858f114c29c4..30af19c214099 100644
--- a/clang/test/CodeGen/X86/avx512vl-builtins.c
+++ b/clang/test/CodeGen/X86/avx512vl-builtins.c
@@ -1,6 +1,9 @@
 // RUN: %clang_cc1 -x c -flax-vector-conversions=none -ffreestanding %s -triple=x86_64-apple-darwin -target-feature +avx512f -target-feature +avx512vl -emit-llvm -o - -Wall -Werror -Wsign-conversion | FileCheck %s
 // RUN: %clang_cc1 -x c++ -flax-vector-conversions=none -ffreestanding %s -triple=x86_64-apple-darwin -target-feature +avx512f -target-feature +avx512vl -emit-llvm -o - -Wall -Werror -Wsign-conversion | FileCheck %s
 
+// RUN: %clang_cc1 -x c -flax-vector-conversions=none -ffreestanding %s -triple=x86_64-apple-darwin -target-feature +avx512f -target-feature +avx512vl -emit-llvm -o - -Wall -Werror -Wsign-conversion -fexperimental-new-constant-interpreter | FileCheck %s
+// RUN: %clang_cc1 -x c++ -flax-vector-conversions=none -ffreestanding %s -triple=x86_64-apple-darwin -target-feature +avx512f -target-feature +avx512vl -emit-llvm -o - -Wall -Werror -Wsign-conversion -fexperimental-new-constant-interpreter | FileCheck %s
+
 #include <immintrin.h>
 #include "builtin_test_helpers.h"
 
diff --git a/clang/test/CodeGen/X86/avx512vlbitalg-builtins.c b/clang/test/CodeGen/X86/avx512vlbitalg-builtins.c
index e2cfb3a348a93..e0b55c6fde81a 100644
--- a/clang/test/CodeGen/X86/avx512vlbitalg-builtins.c
+++ b/clang/test/CodeGen/X86/avx512vlbitalg-builtins.c
@@ -3,6 +3,12 @@
 // RUN: %clang_cc1 -x c++ -flax-vector-conversions=none -ffreestanding %s -triple=x86_64-apple-darwin -target-feature +avx512bitalg -target-feature +avx512vl -emit-llvm -o - -Wall -Werror | FileCheck %s
 // RUN: %clang_cc1 -x c++ -flax-vector-conversions=none -ffreestanding %s -triple=i386-apple-darwin -target-feature +avx512bitalg -target-feature +avx512vl -emit-llvm -o - -Wall -Werror | FileCheck %s
 
+// RUN: %clang_cc1 -x c -flax-vector-conversions=none -ffreestanding %s -triple=x86_64-apple-darwin -target-feature +avx512bitalg -target-feature +avx512vl -emit-llvm -o - -Wall -Werror -fexperimental-new-constant-interpreter | FileCheck %s
+// RUN: %clang_cc1 -x c -flax-vector-conversions=none -ffreestanding %s -triple=i386-apple-darwin -target-feature +avx512bitalg -target-feature +avx512vl -emit-llvm -o - -Wall -Werror -fexperimental-new-constant-interpreter | FileCheck %s
+// RUN: %clang_cc1 -x c++ -flax-vector-conversions=none -ffreestanding %s -triple=x86_64-apple-darwin -target-feature +avx512bitalg -target-feature +avx512vl -emit-llvm -o - -Wall -Werror -fexperimental-new-constant-interpreter | FileCheck %s
+// RUN: %clang_cc1 -x c++ -flax-vector-conversions=none -ffreestanding %s -triple=i386-apple-darwin -target-feature +avx512bitalg -target-feature +avx512vl -emit-llvm -o - -Wall -Werror -fexperimental-new-constant-interpreter | FileCheck %s
+
+
 #include <immintrin.h>
 #include "builtin_test_helpers.h"
 
diff --git a/clang/test/CodeGen/X86/avx512vlbw-builtins.c b/clang/test/CodeGen/X86/avx512vlbw-builtins.c
index 5d697440bfc1b..0f32cee27ac6a 100644
--- a/clang/test/CodeGen/X86/avx512vlbw-builtins.c
+++ b/clang/test/CodeGen/X86/avx512vlbw-builtins.c
@@ -5,6 +5,13 @@
 // RUN: %clang_cc1 -x c++ -flax-vector-conversions=none -ffreestanding %s -triple=x86_64-apple-darwin -target-feature +avx512bw -target-feature +avx512vl -fno-signed-char -emit-llvm -o - -Wall -Werror -Wsign-conversion | FileCheck %s
 // RUN: %clang_cc1 -x c++ -flax-vector-conversions=none -ffreestanding %s -triple=x86_64-apple-darwin -target-feature +avx10.1-512 -emit-llvm -o - -Wall -Werror -Wsign-conversion | FileCheck %s
 
+// RUN: %clang_cc1 -x c -flax-vector-conversions=none -ffreestanding %s -triple=x86_64-apple-darwin -target-feature +avx512bw -target-feature +avx512vl -emit-llvm -o - -Wall -Werror -Wsign-conversion -fexperimental-new-constant-interpreter | FileCheck %s
+// RUN: %clang_cc1 -x c -flax-vector-conversions=none -ffreestanding %s -triple=x86_64-apple-darwin -target-feature +avx512bw -target-feature +avx512vl -fno-signed-char -emit-llvm -o - -Wall -Werror -Wsign-conversion -fexperimental-new-constant-interpreter | FileCheck %s
+// RUN: %clang_cc1 -x c -flax-vector-conversions=none -ffreestanding %s -triple=x86_64-apple-darwin -target-feature +avx10.1-512 -emit-llvm -o - -Wall -Werror -Wsign-conversion -fexperimental-new-constant-interpreter | FileCheck %s
+// RUN: %clang_cc1 -x c++ -flax-vector-conversions=none -ffreestanding %s -triple=x86_64-apple-darwin -target-feature +avx512bw -target-feature +avx512vl -emit-llvm -o - -Wall -Werror -Wsign-conversion -fexperimental-new-constant-interpreter | FileCheck %s
+// RUN: %clang_cc1 -x c++ -flax-vector-conversions=none -ffreestanding %s -triple=x86_64-apple-darwin -target-feature +avx512bw -target-feature +avx512vl -fno-signed-char -emit-llvm -o - -Wall -Werror -Wsign-conversion -fexperimental-new-constant-interpreter | FileCheck %s
+// RUN: %clang_cc1 -x c++ -flax-vector-conversions=none -ffreestanding %s -triple=x86_64-apple-darwin -target-feature +avx10.1-512 -emit-llvm -o - -Wall -Werror -Wsign-conversion -fexperimental-new-constant-interpreter | FileCheck %s
+
 #include <immintrin.h>
 #include "builtin_test_helpers.h"
 
diff --git a/clang/test/CodeGen/X86/avx512vlbw-reduceIntrin.c b/clang/test/CodeGen/X86/avx512vlbw-reduceIntrin.c
index 8e53db3f45300..6b76da3e8bfc4 100644
--- a/clang/test/CodeGen/X86/avx512vlbw-reduceIntrin.c
+++ b/clang/test/CodeGen/X86/avx512vlbw-reduceIntrin.c
@@ -7,6 +7,15 @@
 // RUN: %clang_cc1 -x c++ -ffreestanding %s -O0 -triple=i386 -target-feature +avx512bw -target-feature +avx512vl -emit-llvm -o - -Wall -Werror | FileCheck %s
 // RUN: %clang_cc1 -x c++ -ffreestanding %s -O0 -triple=i386 -target-feature +avx512bw -target-feature +avx512vl -fno-signed-char -emit-llvm -o - -Wall -Werror | FileCheck %s
 
+// RUN: %clang_cc1 -x c -ffreestanding %s -O0 -triple=x86_64 -target-feature +avx512bw -target-feature +avx512vl -emit-llvm -o - -Wall -Werror -fexperimental-new-constant-interpreter | FileCheck %s
+// RUN: %clang_cc1 -x c -ffreestanding %s -O0 -triple=x86_64 -target-feature +avx512bw -target-feature +avx512vl -fno-signed-char -emit-llvm -o - -Wall -Werror -fexperimental-new-constant-interpreter | FileCheck %s
+// RUN: %clang_cc1 -x c -ffreestanding %s -O0 -triple=i386 -target-feature +avx512bw -target-feature +avx512vl -emit-llvm -o - -Wall -Werror -fexperimental-new-constant-interpreter | FileCheck %s
+// RUN: %clang_cc1 -x c -ffreestanding %s -O0 -triple=i386 -target-feature +avx512bw -target-feature +avx512vl -fno-signed-char -emit-llvm -o - -Wall -Werror -fexperimental-new-constant-interpreter | FileCheck %s
+// RUN: %clang_cc1 -x c++ -ffreestanding %s -O0 -triple=x86_64 -target-feature +avx512bw -target-feature +avx512vl -emit-llvm -o - -Wall -Werror -fexperimental-new-constant-interpreter | FileCheck %s
+// RUN: %clang_cc1 -x c++ -ffreestanding %s -O0 -triple=x86_64 -target-feature +avx512bw -target-feature +avx512vl -fno-signed-char -emit-llvm -o - -Wall -Werror -fexperimental-new-constant-interpreter | FileCheck %s
+// RUN: %clang_cc1 -x c++ -ffreestanding %s -O0 -triple=i386 -target-feature +avx512bw -target-feature +avx512vl -emit-llvm -o - -Wall -Werror -fexperimental-new-constant-interpreter | FileCheck %s
+// RUN: %clang_cc1 -x c++ -ffreestanding %s -O0 -triple=i386 -target-feature +avx512bw -target-feature +avx512vl -fno-signed-char -emit-llvm -o - -Wall -Werror -fexperimental-new-constant-interpreter | FileCheck %s
+
 #include <immintrin.h>
 #include "builtin_test_helpers.h"
 
diff --git a/clang/test/CodeGen/X86/avx512vldq-builtins.c b/clang/test/CodeGen/X86/avx512vldq-builtins.c
index 66ba0c704668c..720999cea6ab4 100644
--- a/clang/test/CodeGen/X86/avx512vldq-builtins.c
+++ b/clang/test/CodeGen/X86/avx512vldq-builtins.c
@@ -3,6 +3,11 @@
 // RUN: %clang_cc1 -x c++ -flax-vector-conversions=none -ffreestanding %s -triple=x86_64-apple-darwin -target-feature +avx512dq -target-feature +avx512vl -emit-llvm -o - -Wall -Werror | FileCheck %s
 // RUN: %clang_cc1 -x c++ -flax-vector-conversions=none -ffreestanding %s -triple=i386-apple-darwin -target-feature +avx512dq -target-feature +avx512vl -emit-llvm -o - -Wall -Werror | FileCheck %s
 
+// RUN: %clang_cc1 -x c -flax-vector-conversions=none -ffreestanding %s -triple=x86_64-apple-darwin -target-feature +avx512dq -target-feature +avx512vl -emit-llvm -o - -Wall -Werror -fexperimental-new-constant-interpreter | FileCheck %s
+// RUN: %clang_cc1 -x c -flax-vector-conversions=none -ffreestanding %s -triple=i386-apple-darwin -target-feature +avx512dq -target-feature +avx512vl -emit-llvm -o - -Wall -Werror -fexperimental-new-constant-interpreter | FileCheck %s
+// RUN: %clang_cc1 -x c++ -flax-vector-conversions=none -ffreestanding %s -triple=x86_64-apple-darwin -target-feature +avx512dq -target-feature +avx512vl -emit-llvm -o - -Wall -Werror -fexperimental-new-constant-interpreter | FileCheck %s
+// RUN: %clang_cc1 -x c++ -flax-vector-conversions=none -ffreestanding %s -triple=i386-apple-darwin -target-feature +avx512dq -target-feature +avx512vl -emit-llvm -o - -Wall -Werror -fexperimental-new-constant-interpreter | FileCheck %s
+
 
 #include <immintrin.h>
 #include "builtin_test_helpers.h"
diff --git a/clang/test/CodeGen/X86/avx512vlfp16-builtins.c b/clang/test/CodeGen/X86/avx512vlfp16-builtins.c
index 8dd4904ae94c9..828876e971dd2 100644
--- a/clang/test/CodeGen/X86/avx512vlfp16-builtins.c
+++ b/clang/test/CodeGen/X86/avx512vlfp16-builtins.c
@@ -3,6 +3,12 @@
 // RUN: %clang_cc1 -x c++ -flax-vector-conversions=none -ffreestanding %s -triple=x86_64-unknown-unknown -target-feature +avx512vl -target-feature +avx512fp16 -emit-llvm -o - -Wall -Werror | FileCheck %s
 // RUN: %clang_cc1 -x c++ -flax-vector-conversions=none -ffreestanding %s -triple=i386-unknown-unknown -target-feature +avx512vl -target-feature +avx512fp16 -emit-llvm -o - -Wall -Werror | FileCheck %s
 
+// RUN: %clang_cc1 -x c -flax-vector-conversions=none -ffreestanding %s -triple=x86_64-unknown-unknown -target-feature +avx512vl -target-feature +avx512fp16 -emit-llvm -o - -Wall -Werror -fexperimental-new-constant-interpreter | FileCheck %s
+// RUN: %clang_cc1 -x c -flax-vector-conversions=none -ffreestanding %s -triple=i386-unknown-unknown -target-feature +avx512vl -target-feature +avx512fp16 -emit-llvm -o - -Wall -Werror -fexperimental-new-constant-interpreter | FileCheck %s
+// RUN: %clang_cc1 -x c++ -flax-vector-conversions=none -ffreestanding %s -triple=x86_64-unknown-unknown -target-feature +avx512vl -target-feature +avx512fp16 -emit-llvm -o - -Wall -Werror -fexperimental-new-constant-interpreter | FileCheck %s
+// RUN: %clang_cc1 -x c++ -flax-vector-conversions=none -ffreestanding %s -triple=i386-unknown-unknown -target-feature +avx512vl -target-feature +avx512fp16 -emit-llvm -o - -Wall -Werror -fexperimental-new-constant-interpreter | FileCheck %s
+
+
 #include <immintrin.h>
 #include "builtin_test_helpers.h"
 
diff --git a/clang/test/CodeGen/X86/avx512vpopcntdq-builtins.c b/clang/test/CodeGen/X86/avx512vpopcntdq-builtins.c
index b80ffdf0dcc7c..4fcc34e3f3b50 100644
--- a/clang/test/CodeGen/X86/avx512vpopcntdq-builtins.c
+++ b/clang/test/CodeGen/X86/avx512vpopcntdq-builtins.c
@@ -3,6 +3,12 @@
 // RUN: %clang_cc1 -x c++ -flax-vector-conversions=none -ffreestanding %s -triple=x86_64-apple-darwin -target-feature +avx512vpopcntdq -emit-llvm -o - -Wall -Werror | FileCheck %s
 // RUN: %clang_cc1 -x c++ -flax-vector-conversions=none -ffreestanding %s -triple=i386-apple-darwin -target-feature +avx512vpopcntdq -emit-llvm -o - -Wall -Werror | FileCheck %s
 
+// RUN: %clang_cc1 -x c -flax-vector-conversions=none -ffreestanding %s -triple=x86_64-apple-darwin -target-feature +avx512vpopcntdq -emit-llvm -o - -Wall -Werror -fexperimental-new-constant-interpreter | FileCheck %s
+// RUN: %clang_cc1 -x c -flax-vector-conversions=none -ffreestanding %s -triple=i386-apple-darwin -target-feature +avx512vpopcntdq -emit-llvm -o - -Wall -Werror -fexperimental-new-constant-interpreter | FileCheck %s
+// RUN: %clang_cc1 -x c++ -flax-vector-conversions=none -ffreestanding %s -triple=x86_64-apple-darwin -target-feature +avx512vpopcntdq -emit-llvm -o - -Wall -Werror -fexperimental-new-constant-interpreter | FileCheck %s
+// RUN: %clang_cc1 -x c++ -flax-vector-conversions=none -ffreestanding %s -triple=i386-apple-darwin -target-feature +avx512vpopcntdq -emit-llvm -o - -Wall -Werror -fexperimental-new-constant-interpreter | FileCheck %s
+
+
 #include <immintrin.h>
 #include "builtin_test_helpers.h"
 
diff --git a/clang/test/CodeGen/X86/avx512vpopcntdqvl-builtins.c b/clang/test/CodeGen/X86/avx512vpopcntdqvl-builtins.c
index 7258034c57adc..8e36b35ff8578 100644
--- a/clang/test/CodeGen/X86/avx512vpopcntdqvl-builtins.c
+++ b/clang/test/CodeGen/X86/avx512vpopcntdqvl-builtins.c
@@ -3,6 +3,12 @@
 // RUN: %clang_cc1 -x c++ -flax-vector-conversions=none -ffreestanding %s -triple=x86_64-apple-darwin -target-feature +avx512vpopcntdq -target-feature +avx512vl -emit-llvm -o - -Wall -Werror | FileCheck %s
 // RUN: %clang_cc1 -x c++ -flax-vector-conversions=none -ffreestanding %s -triple=i386-apple-darwin -target-feature +avx512vpopcntdq -target-feature +avx512vl -emit-llvm -o - -Wall -Werror | FileCheck %s
 
+// RUN: %clang_cc1 -x c -flax-vector-conversions=none -ffreestanding %s -triple=x86_64-apple-darwin -target-feature +avx512vpopcntdq -target-feature +avx512vl -emit-llvm -o - -Wall -Werror -fexperimental-new-constant-interpreter | FileCheck %s
+// RUN: %clang_cc1 -x c -flax-vector-conversions=none -ffreestanding %s -triple=i386-apple-darwin -target-feature +avx512vpopcntdq -target-feature +avx512vl -emit-llvm -o - -Wall -Werror -fexperimental-new-constant-interpreter | FileCheck %s
+// RUN: %clang_cc1 -x c++ -flax-vector-conversions=none -ffreestanding %s -triple=x86_64-apple-darwin -target-feature +avx512vpopcntdq -target-feature +avx512vl -emit-llvm -o - -Wall -Werror -fexperimental-new-constant-interpreter | FileCheck %s
+// RUN: %clang_cc1 -x c++ -flax-vector-conversions=none -ffreestanding %s -triple=i386-apple-darwin -target-feature +avx512vpopcntdq -target-feature +avx512vl -emit-llvm -o - -Wall -Werror -fexperimental-new-constant-interpreter | FileCheck %s
+
+
 #include <immintrin.h>
 #include "builtin_test_helpers.h"