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| author | Benjamin Kramer <benny.kra@googlemail.com> | 2012-08-11 19:05:13 +0000 |
|---|---|---|
| committer | Benjamin Kramer <benny.kra@googlemail.com> | 2012-08-11 19:05:13 +0000 |
| commit | cfc0ad6e48fcbb5d9d7d97307e5b5df6bba53a97 (patch) | |
| tree | 24730fa558c42c12dd366c493121db779c3f2845 /lib/Support/DAGDeltaAlgorithm.cpp | |
| parent | f4cfc4423cd48fd673e1de17aafe4db21e52f876 (diff) | |
PR13578: Teach MachineCSE that instructions that use a constant register can be CSE'd safely.
This is common e.g. when doing rip-relative addressing on x86_64.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@161728 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Support/DAGDeltaAlgorithm.cpp')
0 files changed, 0 insertions, 0 deletions