Conanap added a comment.
Replied to a comment
================
Comment at: llvm/lib/Target/PowerPC/PPCISelLowering.cpp:9213
+
+ if (bot) {
+ SplatNode = DAG.getNode(
----------------
NeHuang wrote:
> I do not quite understand the `if` and `else` logic here, current logic seems
> we can overwrite `SplatNode` after we execute `SplatNode =
> DAG.getTargetConstant(0, dl, MVT::v2i64);`
> Is that as expected?
Thanks for bringing this up. `SplatNode` is reused in `if (Lo)` and `if (Hi)`;
it just saves a variable and a ternary statement (`if (Hi)` will also have to
check if `Lo` created a `SDNode` before deciding between `SplatNode` or the
`SDNode` created by `Lo`), but can understandably be confusing. I could
separate them in to different variables and if statements to make it easier to
understand if that's preferred.
CHANGES SINCE LAST ACTION
https://reviews.llvm.org/D90173/new/
https://reviews.llvm.org/D90173
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