bytecodealliance / bytecodealliance/regalloc2
Conflict between Stack and Reg uses of the same vreg
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描述
Two uses of the same vreg on the same instruction causes an assertion failure if one of them is `Stack` and the other is `Reg` or `FixedReg` since it results in a minimal bundle that cannot be split.
We already handle the case of multiple conflicting `FixedReg` constraints, should we extend this to also cover the case of `Stack`/`Reg` conflicts?
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