[clang] [llvm] [hlsl][dxil][spirv] Add `fma` function (PR #185304)

[Farzon Lotfi via cfe-commits]

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@@ -5330,14 +5312,14 @@ def HLSLMad : LangBuiltin<"HLSL_LANG"> {
   let Prototype = "void(...)";
 }
 
-def HLSLMul : LangBuiltin<"HLSL_LANG"> {
-  let Spellings = ["__builtin_hlsl_mul"];
+def HLSLNormalize : LangBuiltin<"HLSL_LANG"> {
+  let Spellings = ["__builtin_hlsl_normalize"];
   let Attributes = [NoThrow, Const, CustomTypeChecking];
   let Prototype = "void(...)";
 }
 
-def HLSLNormalize : LangBuiltin<"HLSL_LANG"> {
-  let Spellings = ["__builtin_hlsl_normalize"];
+def HLSLFma : LangBuiltin<"HLSL_LANG"> {
+  let Spellings = ["__builtin_hlsl_elementwise_fma"];
   let Attributes = [NoThrow, Const, CustomTypeChecking];
   let Prototype = "void(...)";
 }
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farzonl wrote:

delete this

https://github.com/llvm/llvm-project/pull/185304