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| author | Andrew Trick <atrick@apple.com> | 2015-05-18 16:49:34 +0000 |
|---|---|---|
| committer | Andrew Trick <atrick@apple.com> | 2015-05-18 16:49:34 +0000 |
| commit | 715b27f0588747f38ef4932ce1e54dc42c5962e4 (patch) | |
| tree | 904b897dadd84e7b9532c3e51a09030b4600ba72 /llvm/lib/CodeGen/TargetLoweringObjectFileImpl.cpp | |
| parent | 018e55a18751000a153d4bd3ed4637970fb6f03e (diff) | |
| download | llvm-715b27f0588747f38ef4932ce1e54dc42c5962e4.zip llvm-715b27f0588747f38ef4932ce1e54dc42c5962e4.tar.gz llvm-715b27f0588747f38ef4932ce1e54dc42c5962e4.tar.bz2 | |
indvars cruft: don't replace phi nodes for no reason.
Don't replace a phi with an identical phi. This was done long ago to
"preserve" IVUsers analysis. The code has already called
SE->forgetValue(PN) so I see no purpose in creating a new value for
the phi.
llvm-svn: 237587
Diffstat (limited to 'llvm/lib/CodeGen/TargetLoweringObjectFileImpl.cpp')
0 files changed, 0 insertions, 0 deletions