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| author | Paul Redmond <paul.redmond@intel.com> | 2013-02-12 15:21:21 +0000 |
|---|---|---|
| committer | Paul Redmond <paul.redmond@intel.com> | 2013-02-12 15:21:21 +0000 |
| commit | 288604ed0c2dd9a66093c525c7525bb2e7ed91fc (patch) | |
| tree | 00a8d2f029740f3cecb7876bd11b5af5bcc52700 /llvm/lib/Object/MachOObjectFile.cpp | |
| parent | 71a4ab7141d7b201f0039f6d1f1ce7b8dd3b0430 (diff) | |
| download | llvm-288604ed0c2dd9a66093c525c7525bb2e7ed91fc.zip llvm-288604ed0c2dd9a66093c525c7525bb2e7ed91fc.tar.gz llvm-288604ed0c2dd9a66093c525c7525bb2e7ed91fc.tar.bz2 | |
PR14562 - Truncation of left shift became undef
DAGCombiner::ReduceLoadWidth was converting (trunc i32 (shl i64 v, 32))
into (shl i32 v, 32) into undef. To prevent this, check the shift count
against the final result size.
Patch by: Kevin Schoedel
Reviewed by: Nadav Rotem
llvm-svn: 174972
Diffstat (limited to 'llvm/lib/Object/MachOObjectFile.cpp')
0 files changed, 0 insertions, 0 deletions