[clang] [WIP][Clang][bytecode] interp__builtin_elementwise_int_binop - allow RHS operand to be a scalar (PR #156017)

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``````````bash
git-clang-format --diff origin/main HEAD --extensions cpp,c -- clang/lib/AST/ByteCode/InterpBuiltin.cpp clang/lib/AST/ExprConstant.cpp clang/test/CodeGen/X86/avx512vl-builtins.c clang/test/CodeGen/X86/xop-builtins.c
``````````

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View the diff from clang-format here.
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``````````diff
diff --git a/clang/lib/AST/ByteCode/InterpBuiltin.cpp b/clang/lib/AST/ByteCode/InterpBuiltin.cpp
index c4f4e1c2d..890ac19a7 100644
--- a/clang/lib/AST/ByteCode/InterpBuiltin.cpp
+++ b/clang/lib/AST/ByteCode/InterpBuiltin.cpp
@@ -2579,11 +2579,9 @@ static bool interp__builtin_elementwise_int_binop(
     const Pointer &LHS = S.Stk.pop<Pointer>();
     const Pointer &Dst = S.Stk.peek<Pointer>();
 
-  for (unsigned I = 0; I != NumElems; ++I) {
+    for (unsigned I = 0; I != NumElems; ++I) {
       APSInt Elem1;
-      INT_TYPE_SWITCH_NO_BOOL(ElemT, {
-        Elem1 = LHS.elem<T>(I).toAPSInt();
-      });
+      INT_TYPE_SWITCH_NO_BOOL(ElemT, { Elem1 = LHS.elem<T>(I).toAPSInt(); });
 
       APSInt Result =
           APSInt(Fn(Elem1, RHS),

``````````

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https://github.com/llvm/llvm-project/pull/156017