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Commit 37765ff3 authored by Craig Topper's avatar Craig Topper
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[X86] Prune some unreachable 'return SDValue()' paths from... 

[X86] Prune some unreachable 'return SDValue()' paths from LowerSIGN_EXTEND/LowerZERO_EXTEND/LowerANY_EXTEND.

We were doing a lot of whitelisting of what we handle in these routines, but setOperationAction constrains what we can get here. So just add some asserts and prune the unreachable paths.

llvm-svn: 324538
parent f3b4ca89
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