================
@@ -1248,18 +1249,62 @@ void InlineSpiller::spillAroundUses(Register Reg) {
// Create a new virtual register for spill/fill.
// FIXME: Infer regclass from instruction alone.
- Register NewVReg = Edit->createFrom(Reg);
+
+ unsigned SubReg = 0;
+ LaneBitmask CoveringLanes = LaneBitmask::getNone();
----------------
qcolombet wrote:
Ah right, I forgot we were doing that for every use!
I was afraid we may be leaving some live sublanes on the floor and that they
could be read in a following use, but that's indeed not how we do things here.
Thanks for reminding me.
Let me take a closer look
https://github.com/llvm/llvm-project/pull/175002
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