================
@@ -18050,6 +18050,21 @@ Value *CodeGenFunction::EmitHLSLBuiltinExpr(unsigned
BuiltinID,
/*ReturnType=*/Op0->getType(), Intrinsic::dx_frac,
ArrayRef<Value *>{Op0}, nullptr, "dx.frac");
}
+ case Builtin::BI__builtin_hlsl_elementwise_isinf: {
+ Value *Op0 = EmitScalarExpr(E->getArg(0));
+ llvm::Type *Xty = Op0->getType();
+ llvm::Type *retType = llvm::Type::getInt1Ty(this->getLLVMContext());
+ if (Xty->isVectorTy()) {
+ auto *XVecTy = E->getArg(0)->getType()->getAs<VectorType>();
+ retType = llvm::VectorType::get(
+ retType, ElementCount::getFixed(XVecTy->getNumElements()));
+ }
+ if (!E->getArg(0)->getType()->hasFloatingRepresentation())
+ llvm_unreachable("isinf operand must have a float representation");
+ return Builder.CreateIntrinsic(
+ /*ReturnType=*/retType, Intrinsic::dx_isinf, ArrayRef<Value *>{Op0},
----------------
bogner wrote:
I see that this is just following the rest of the file so I guess no change
needed, but it seems odd to tag "/*ReturnType=*/" here specifically - we
usually only do that for bools and things that are ambiguous, where this is
literally passing an argument called `retType`.
https://github.com/llvm/llvm-project/pull/84927
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