Commit ddb4c9a5 authored by Joel Galenson's avatar Joel Galenson Committed by Yi Kong
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[CVP] Remove some {s|u}sub.with.overflow checks. 

This uses ConstantRange::makeGuaranteedNoWrapRegion's newly-added handling for subtraction to allow CVP to remove some subtraction overflow checks.

Differential Revision: https://reviews.llvm.org/D40039

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@319807 91177308-0d34-0410-b5e6-96231b3b80d8
parent 4461f3c3
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