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

[Farzon Lotfi via cfe-commits]

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@@ -362,6 +364,34 @@ static bool expandClampIntrinsic(CallInst *Orig, Intrinsic::ID ClampIntrinsic) {
   return true;
 }
 
+static bool expandSaturateIntrinsic(CallInst *SaturateCall) {
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farzonl wrote:

wait for @pow2clk  change merges then change this to return `Result` and remove the `replaceAllUsesWith` and `eraseFromParent` calls

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