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(parent: fce711c) | patch
Stop adding <imp-def> operands when coalescing sub-registers.
authorJakob Stoklund Olesen <stoklund@2pi.dk>
Sun, 4 Mar 2012 19:19:07 +0000 (19:19 +0000)
committerJakob Stoklund Olesen <stoklund@2pi.dk>
Sun, 4 Mar 2012 19:19:07 +0000 (19:19 +0000)
commit8d9c3a4ee739d0cb508e7a982bfbb1fb52cb0ec4
tree673cbe5ecb0b6c97f12fe757877eacb5327a4f30tree | snapshot
parentfce711cb65716f86b4e150f42cbb597bbecf7dbecommit | diff
Stop adding <imp-def> operands when coalescing sub-registers.

We are already setting <undef> flags, and that is good enough. The
<imp-def> operands don't mean anything any more.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@152009 91177308-0d34-0410-b5e6-96231b3b80d8
lib/CodeGen/RegisterCoalescer.cpp diff | blob | history
C/C++ LLVM-based compilers that forbids OOTA behaviors