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archived-llvm/lib/CodeGen/SelectionDAG
Pawel Bylica fadb1c1c61 Merging r286998:
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r286998 | chfast | 2016-11-15 19:29:24 +0100 (wto, 15 lis 2016) | 12 lines

Integer legalization: fix MUL expansion

Summary:
This fixes the runtime results produces by the fallback multiplication expansion introduced in r270720.

For tests I created a fuzz tester that compares the results with Boost.Multiprecision.

Reviewers: hfinkel

Subscribers: llvm-commits

Differential Revision: https://reviews.llvm.org/D26628


git-svn-id: https://llvm.org/svn/llvm-project/llvm/branches/release_39@288086 91177308-0d34-0410-b5e6-96231b3b80d8
2016-11-28 22:45:01 +00:00
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