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Commit 0a410f62 authored by Matthias Braun's avatar Matthias Braun
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RegisterCoalescer: Fix stripCopies() picking up main range instead of subregister range 

This fixes a problem where stripCopies() would switch to values in the
main liverange when it crossed a copy instruction. However when joining
subranges we need to stay in the respective subregister ranges.

llvm-svn: 224461
parent 972be53f
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