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Commit 64eea344 authored by Simon Pilgrim's avatar Simon Pilgrim
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[X86] combineEXTEND_VECTOR_INREG - don't attempt to shuffle combine... 

[X86] combineEXTEND_VECTOR_INREG - don't attempt to shuffle combine ANY_EXTEND_VECTOR_INREG without SSE41

Without SSE41, ANY_EXTEND_VECTOR_INREG nodes are likely to be prematurely combined to a target shuffle preventing generic sign extension folds.

Fixes a number of sign-extend regressions in D127115.
parent 0f818306
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