[llvm] [DXIL] Add radians intrinsic (PR #110616)

[Justin Bogner via llvm-commits]

================
@@ -395,6 +396,15 @@ static Value *expandStepIntrinsic(CallInst *Orig) {
   return Builder.CreateSelect(Cond, Zero, One);
 }
 
+static Value *expandRadiansIntrinsic(CallInst *Orig) {
+  Value *X = Orig->getOperand(0);
+  Type *Ty = X->getType();
+  IRBuilder<> Builder(Orig);
+  Value *OneEightyOverPi = ConstantFP::get(Ty, llvm::numbers::pi / 180.0);
----------------
bogner wrote:

This should probably be called `PiOverOneEighty`...

https://github.com/llvm/llvm-project/pull/110616