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(parent: dfb806f) | patch
Avoid eraseing copies from a reserved register unless the definition can be
authorEvan Cheng <evan.cheng@apple.com>
Sun, 8 Jan 2012 19:52:28 +0000 (19:52 +0000)
committerEvan Cheng <evan.cheng@apple.com>
Sun, 8 Jan 2012 19:52:28 +0000 (19:52 +0000)
commite811d0dd30e8949df5d72bedfaa46dc579dad97e
treee230c6f25a99d65ba07d64617f82bb0d9b0e2163tree | snapshot
parentdfb806f6ba53b792171b928b57def9d0182d2f5fcommit | diff
Avoid eraseing copies from a reserved register unless the definition can be
safely proven not to have been clobbered. No small test case possible.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@147751 91177308-0d34-0410-b5e6-96231b3b80d8
lib/CodeGen/MachineCopyPropagation.cpp diff | blob | history
C/C++ LLVM-based compilers that forbids OOTA behaviors