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| author | Elena Demikhovsky <elena.demikhovsky@intel.com> | 2012-12-19 07:50:20 +0000 |
|---|---|---|
| committer | Elena Demikhovsky <elena.demikhovsky@intel.com> | 2012-12-19 07:50:20 +0000 |
| commit | 4b977312c7a9c078211de83771b40a1561deb047 (patch) | |
| tree | 41467ecd7c292f7b91bd820723a4d946375a6f3b /lib/CodeGen/SelectionDAG/DAGCombiner.cpp | |
| parent | bf5a2c6a39f2a98a83f5fb668b8b35156b693471 (diff) | |
| download | llvm-4b977312c7a9c078211de83771b40a1561deb047.tar.gz llvm-4b977312c7a9c078211de83771b40a1561deb047.tar.bz2 llvm-4b977312c7a9c078211de83771b40a1561deb047.tar.xz | |
Optimized load + SIGN_EXTEND patterns in the X86 backend.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@170506 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/CodeGen/SelectionDAG/DAGCombiner.cpp')
| -rw-r--r-- | lib/CodeGen/SelectionDAG/DAGCombiner.cpp | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/lib/CodeGen/SelectionDAG/DAGCombiner.cpp b/lib/CodeGen/SelectionDAG/DAGCombiner.cpp index 7c54d17275..527fdaa3ae 100644 --- a/lib/CodeGen/SelectionDAG/DAGCombiner.cpp +++ b/lib/CodeGen/SelectionDAG/DAGCombiner.cpp @@ -5235,6 +5235,7 @@ SDValue DAGCombiner::visitSIGN_EXTEND_INREG(SDNode *N) { LN0->getAlignment()); CombineTo(N, ExtLoad); CombineTo(N0.getNode(), ExtLoad, ExtLoad.getValue(1)); + AddToWorkList(ExtLoad.getNode()); return SDValue(N, 0); // Return N so it doesn't get rechecked! } // fold (sext_inreg (zextload x)) -> (sextload x) iff load has one use |