================
@@ -1541,7 +1548,23 @@ RValue CIRGenFunction::emitBuiltinExpr(const GlobalDecl
&gd, unsigned builtinID,
case Builtin::BI__builtin_masked_store:
case Builtin::BI__builtin_masked_compress_store:
case Builtin::BI__builtin_masked_scatter:
- case Builtin::BI__builtin_isinf_sign:
+ return errorBuiltinNYI(*this, e, builtinID);
+ case Builtin::BI__builtin_isinf_sign: {
+ CIRGenFunction::CIRGenFPOptionsRAII FPOptsRAII(*this, e);
+ mlir::Location loc = getLoc(e->getBeginLoc());
+ mlir::Value arg = emitScalarExpr(e->getArg(0));
+ mlir::Value absArg = cir::FAbsOp::create(builder, loc, arg.getType(), arg);
+ mlir::Value isInf =
+ builder.createIsFPClass(loc, absArg, cir::FPClassTest::Infinity);
+ mlir::Value isNeg = emitSignBit(loc, *this, arg);
+ auto intTy = convertType(e->getType());
+ auto zero = builder.getNullValue(intTy, loc);
+ auto one = builder.getConstant(loc, cir::IntAttr::get(intTy, 1));
+ auto negativeOne = builder.getConstant(loc, cir::IntAttr::get(intTy, -1));
+ auto signResult = builder.createSelect(loc, isNeg, negativeOne, one);
+ auto result = builder.createSelect(loc, isInf, signResult, zero);
----------------
andykaylor wrote:
Don't use auto for any of these. Many are guessable from the code, but not with
certainty.
https://github.com/llvm/llvm-project/pull/183977
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