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| author | Nadav Rotem <nrotem@apple.com> | 2012-12-30 07:47:00 +0000 |
|---|---|---|
| committer | Nadav Rotem <nrotem@apple.com> | 2012-12-30 07:47:00 +0000 |
| commit | db2367512e87dbd7b93c3250ef30c9df5e40cb43 (patch) | |
| tree | e5e199e109705e5cd36224f6db77c8b8adb13074 /lib/Target/CppBackend | |
| parent | a6542923b8ad94d791a12d3d5ae3e62a611f0383 (diff) | |
| download | llvm-db2367512e87dbd7b93c3250ef30c9df5e40cb43.tar.gz llvm-db2367512e87dbd7b93c3250ef30c9df5e40cb43.tar.bz2 llvm-db2367512e87dbd7b93c3250ef30c9df5e40cb43.tar.xz | |
LoopVectorizer: Fix a bug in the code that updates the loop exiting block.
LCSSA PHIs may have undef values. The vectorizer updates values that are used by outside users such as PHIs.
The bug happened because undefs are not loop values. This patch handles these PHIs.
PR14725
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171251 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Target/CppBackend')
0 files changed, 0 insertions, 0 deletions