Files
archived-llvm/test/CodeGen/ARM
Pablo Barrio db520df3c5 Handle empty functions with debug info in load/store opt pass
Summary:
In fuctions that contained debug info but were empty otherwise,
the ARM load/store optimizer could abort. This was because
function MergeReturnIntoLDM handled the special case where a
Machine Basic BLock is empty by calling MBB.empty(). However, this
returns false in presence of debug info, although the function
should be considered empty in the eyes of the load/store optimizer.
This has been fixed by handling the case where searching through the
block finds only debug instructions.

Reviewers: rengolin, dexonsmith, llvm-commits, jmolloy

Subscribers: t.p.northover, aemerson, rengolin, samparker

Differential Revision: https://reviews.llvm.org/D23847

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@279820 91177308-0d34-0410-b5e6-96231b3b80d8
2016-08-26 13:00:39 +00:00
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