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| author | Amaury Sechet <deadalnix@gmail.com> | 2017-02-04 13:01:53 +0000 |
|---|---|---|
| committer | Amaury Sechet <deadalnix@gmail.com> | 2017-02-04 13:01:53 +0000 |
| commit | 6e2d8e49ec73515f549a2940c54141a123a6d38c (patch) | |
| tree | 4132337fe6c97d71b5c14af0fe13d70dbf9b6a13 /llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp | |
| parent | c7db0d0e753b4a9da144e0fe4d70b6dda397c5ed (diff) | |
| download | bcm5719-llvm-6e2d8e49ec73515f549a2940c54141a123a6d38c.tar.gz bcm5719-llvm-6e2d8e49ec73515f549a2940c54141a123a6d38c.zip | |
Formatting in DAGCombiner. NFC
llvm-svn: 294091
Diffstat (limited to 'llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp')
| -rw-r--r-- | llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp b/llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp index 3e753275f1c..b4a04ccbe62 100644 --- a/llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp +++ b/llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp @@ -7778,6 +7778,7 @@ SDValue DAGCombiner::visitTRUNCATE(SDNode *N) { VT.getSizeInBits()))) return DAG.getNode(ISD::TRUNCATE, SDLoc(N), VT, Shorter); } + // fold (truncate (load x)) -> (smaller load x) // fold (truncate (srl (load x), c)) -> (smaller load (x+c/evtbits)) if (!LegalTypes || TLI.isTypeDesirableForOp(N0.getOpcode(), VT)) { @@ -7799,6 +7800,7 @@ SDValue DAGCombiner::visitTRUNCATE(SDNode *N) { } } } + // fold (trunc (concat ... x ...)) -> (concat ..., (trunc x), ...)), // where ... are all 'undef'. if (N0.getOpcode() == ISD::CONCAT_VECTORS && !LegalTypes) { |
