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authorTim Renouf <tpr.ll@botech.co.uk>2019-11-11 11:06:09 +0000
committerTim Renouf <tim.renouf@amd.com>2019-11-12 08:18:11 +0000
commit07ebd741546e399f3db0a7c08a7fb1932e14080c (patch)
treebd3988c86442a72d6bfa7b35d278c5baef271736 /lldb/packages/Python/lldbsuite/test/python_api/sbstructureddata/TestStructuredDataAPI.py
parent22a535e91a795e52c8b8c01ad04e3577e9f7ae5b (diff)
downloadbcm5719-llvm-07ebd741546e399f3db0a7c08a7fb1932e14080c.tar.gz
bcm5719-llvm-07ebd741546e399f3db0a7c08a7fb1932e14080c.zip
MCP: Fixed bug with dest overlapping copy source
In MachineCopyPropagation, when propagating the source of a copy into the operand of a later instruction, bail if a destination overlaps (partly defines) the copy source. If the instruction where the substitution is happening is also a copy, allowing the propagation confuses the tracking mechanism. Differential Revision: https://reviews.llvm.org/D69953 Change-Id: Ic570754f878f2d91a4a50a9bdcf96fbaa240726d
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