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Commit 40226148 authored by Juergen Ributzka's avatar Juergen Ributzka
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[FastISel][X86] Use INC/DEC when possible for {sadd|ssub}.with.overflow intrinsics. 

This is a small peephole optimization to emit INC/DEC when possible.

Fixes <rdar://problem/17952308>.

llvm-svn: 215230
parent 9e075298
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