[clang] [llvm] [HLSL] Implement support for HLSL intrinsic - saturate (PR #104619)

[Farzon Lotfi via cfe-commits]

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@@ -1285,6 +1289,34 @@ static unsigned getBoolCmpOpcode(unsigned PredNum) {
   }
 }
 
+static APFloat getZeroFP(const Type *LLVMFloatTy) {
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farzonl wrote:

I'm a little suprised this didn't already exist.

https://github.com/llvm/llvm-project/pull/104619