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[WebAssembly] Handle errors in getRegFor{Uns,S}ignedValue.
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Authored by sunfish on Oct 24 2017, 12:23 PM.

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Summary

This fixes bug 35064, though it needs a reduced testcase still.

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rL LLVM

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sunfish created this revision.Oct 24 2017, 12:23 PM

ConstantExpr are not handled by FastISel.

Similar checks should be added inside WebAssemblyFastISel::selectSExt and WebAssemblyFastISel::selectZExt

Thanks.

sunfish abandoned this revision.Nov 27 2017, 9:37 PM

Fixed in r319144, along with selectSExt and selectZExt, and I fixed a few other places that needed similar changes as well. Thanks!