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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 | 5c97450df748819381daa4c4d400c39b0d7378ae (patch) | |
| tree | 248ac9d6c584c8abdf1caaab94aba84ca3d24715 /lib/CodeGen/AsmPrinter/DwarfDebug.cpp | |
| parent | 7eacad03efda36e09ebd96e95d7891cadaaa9087 (diff) | |
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
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174972 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/CodeGen/AsmPrinter/DwarfDebug.cpp')
0 files changed, 0 insertions, 0 deletions