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Commit ea0bafda authored by Joel Galenson's avatar Joel Galenson
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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

llvm-svn: 319807
parent c32b0fc2
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