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[CodeGen] Ignore debug uses in MachineCopyPropagation
authorKrzysztof Parzyszek <kparzysz@codeaurora.org>
Wed, 11 Jul 2018 13:30:27 +0000 (13:30 +0000)
committerKrzysztof Parzyszek <kparzysz@codeaurora.org>
Wed, 11 Jul 2018 13:30:27 +0000 (13:30 +0000)
commit873b4b66d3f959f3463d267b1f5bb77a02eb913d
tree989ea9fd00426a0dac2e885eeecaa1986049ce98tree | snapshot
parentaa6263071e121b4415c559e52a2223ae7d573fb5commit | diff
[CodeGen] Ignore debug uses in MachineCopyPropagation

Debug uses should not count as real uses, since the presence of debug
information could affect the generated code.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@336803 91177308-0d34-0410-b5e6-96231b3b80d8
lib/CodeGen/MachineCopyPropagation.cpp diff | blob | history
test/CodeGen/X86/machine-cp-debug.mir [new file with mode: 0644] blob
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