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Currently LazyValueInfo will report only alloca's as having nonnull range. For loads with !nonnull metadata it will bailout with no additional information. Same is true for calls returning nonnull pointers. This change extends LazyValueInfo to handle additional nonnull instructions. Differential Revision: http://reviews.llvm.org/D12932 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@247985 91177308-0d34-0410-b5e6-96231b3b80d8
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