[clang] [X86][Clang] VectorExprEvaluator::VisitCallExpr / InterpretBuiltin - Allow AVX/AVX512 IFMA madd52 intrinsics to be used in constexpr (PR #161056)

[NagaChaitanya Vellanki via cfe-commits]

================
@@ -8,53 +8,221 @@
 // RUN: %clang_cc1 -x c++ -ffreestanding %s -triple=x86_64-apple-darwin -target-feature +avxifma -emit-llvm -o - -Wall -Werror -fexperimental-new-constant-interpreter | FileCheck %s
 // RUN: %clang_cc1 -x c++ -ffreestanding %s -triple=i386-apple-darwin -target-feature +avxifma -emit-llvm -o - -Wall -Werror -fexperimental-new-constant-interpreter | FileCheck %s
 
-
 #include <immintrin.h>
+#include "builtin_test_helpers.h"
+
 
+__attribute__((target("avx512ifma,avx512vl")))
----------------
chaitanyav wrote:

i will rebase and resolve once those changes are merged

https://github.com/llvm/llvm-project/pull/161056