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Commit 31f829f0 authored by Craig Topper's avatar Craig Topper
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[X86] Add a one use check to the combineStore code that handles v16i16->v16i8... 

[X86] Add a one use check to the combineStore code that handles v16i16->v16i8 truncate+store by extending to v16i32 and then emitting a v16i32->v16i8 truncstore.

This prevent us from emitting a separate truncate and a truncating
store instruction.

llvm-svn: 369200
parent a8dad5c7
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