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| author | Richard Sandiford <rsandifo@linux.vnet.ibm.com> | 2013-07-05 14:38:48 +0000 |
|---|---|---|
| committer | Richard Sandiford <rsandifo@linux.vnet.ibm.com> | 2013-07-05 14:38:48 +0000 |
| commit | c40f27b52d40bf5018031321ebe6be071697666a (patch) | |
| tree | 398483c619c8f84120607fe88f63d1051e602d05 /llvm/lib/Support/LockFileManager.cpp | |
| parent | 1ca6deaeb71cb1728797eaf51c8f75a3a62eba9a (diff) | |
| download | llvm-c40f27b52d40bf5018031321ebe6be071697666a.zip llvm-c40f27b52d40bf5018031321ebe6be071697666a.tar.gz llvm-c40f27b52d40bf5018031321ebe6be071697666a.tar.bz2 | |
[SystemZ] Remove no-op MVCs
The stack coloring pass has code to delete stores and loads that become
trivially dead after coloring. Extend it to cope with single instructions
that copy from one frame index to another.
The testcase happens to show an example of this kicking in at the moment.
It did occur in Real Code too though.
llvm-svn: 185705
Diffstat (limited to 'llvm/lib/Support/LockFileManager.cpp')
0 files changed, 0 insertions, 0 deletions