swjng commented on code in PR #19568:
URL: https://github.com/apache/tvm/pull/19568#discussion_r3256996219
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src/target/llvm/intrin_rule_llvm.cc:
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@@ -143,32 +143,16 @@ TVM_REGISTER_OP("tirx.tan")
TVM_REGISTER_OP("tirx.cosh")
.set_attr<FLegalize>("llvm.FLegalize", [](const PrimExpr& e) -> PrimExpr {
- using tirx::make_const;
- using tirx::make_zero;
const tirx::CallNode* call = e.as<tirx::CallNode>();
TVM_FFI_ICHECK(call != nullptr);
- const PrimExpr& x = call->args[0];
- PrimExpr two = make_const(x.dtype(), 2);
- PrimExpr neg_one = make_const(x.dtype(), -1);
- PrimExpr exp_negx = exp(neg_one * x);
- PrimExpr exp_posx = exp(x);
- PrimExpr ret = (exp_posx + exp_negx) / two;
- return ret;
+ return
::tvm::codegen::intrin::DispatchPureExtern<::tvm::codegen::intrin::FloatSuffix>(e);
Review Comment:
You're right, I didn't check the fallback.
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