[llvm] Convert as many LivePhysRegs uses to LiveRegUnits (PR #83905)
Matt Arsenault via llvm-commits
llvm-commits at lists.llvm.org
Tue Mar 5 09:32:11 PST 2024
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@@ -313,9 +313,6 @@ MachineBasicBlock::reverse_iterator SIOptimizeExecMasking::findExecCopy(
return E;
}
-// XXX - Seems LivePhysRegs doesn't work correctly since it will incorrectly
-// report the register as unavailable because a super-register with a lane mask
-// is unavailable.
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arsenm wrote:
>From the context, I'm not sure the comment should be dropped. Maybe just should refer to LiveRegUnits
https://github.com/llvm/llvm-project/pull/83905
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