[PATCH] D80974: [DAGCombine] Adding a hook to improve the precision of fsqrt if the input is denormal

[ChenZheng via Phabricator via llvm-commits]

shchenz added inline comments.


================
Comment at: llvm/lib/Target/PowerPC/PPCISelLowering.cpp:12705
+  if (VT != MVT::f64)
+    return TargetLowering::getSqrtResultForDenormInput(Op, DAG);
+
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Target independent code supports vector type and we also have vector sqrt instruction on Powerpc target. Can we use them for vector types like v4f32 or v2f64?


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  https://reviews.llvm.org/D80974/new/

https://reviews.llvm.org/D80974