[clang][x86] Update AVX1 intrinsic tests for both C/C++

Requires some call instructions to handle additional markers

Author: RKSimon

clang/test/CodeGen/X86/avx-builtins-constrained-cmp.c

@@ -1,5 +1,7 @@
-// RUN: %clang_cc1 -flax-vector-conversions=none -ffreestanding %s -triple=x86_64-apple-darwin -target-feature +avx -emit-llvm -ffp-exception-behavior=maytrap -o - -Wall -Werror | FileCheck %s
-// RUN: %clang_cc1 -flax-vector-conversions=none -ffreestanding %s -triple=i386-apple-darwin -target-feature +avx -emit-llvm -ffp-exception-behavior=maytrap -o - -Wall -Werror | FileCheck %s
+// RUN: %clang_cc1 -x c -flax-vector-conversions=none -ffreestanding %s -triple=x86_64-apple-darwin -target-feature +avx -emit-llvm -ffp-exception-behavior=maytrap -o - -Wall -Werror | FileCheck %s
+// RUN: %clang_cc1 -x c -flax-vector-conversions=none -ffreestanding %s -triple=i386-apple-darwin -target-feature +avx -emit-llvm -ffp-exception-behavior=maytrap -o - -Wall -Werror | FileCheck %s
+// RUN: %clang_cc1 -x c++ -flax-vector-conversions=none -ffreestanding %s -triple=x86_64-apple-darwin -target-feature +avx -emit-llvm -ffp-exception-behavior=maytrap -o - -Wall -Werror | FileCheck %s
+// RUN: %clang_cc1 -x c++ -flax-vector-conversions=none -ffreestanding %s -triple=i386-apple-darwin -target-feature +avx -emit-llvm -ffp-exception-behavior=maytrap -o - -Wall -Werror | FileCheck %s
 
 // Test that the constrained intrinsics are picking up the exception
 // metadata from the AST instead of the global default from the command line.