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| author | Eli Friedman <eli.friedman@gmail.com> | 2009-08-19 08:46:10 +0000 |
|---|---|---|
| committer | Eli Friedman <eli.friedman@gmail.com> | 2009-08-19 08:46:10 +0000 |
| commit | 1e008c173a85c230e87df8f92b1e451806acaa29 (patch) | |
| tree | a1ea674fd081ba443c835411fc59fedbe4dc855d /llvm/lib/CodeGen | |
| parent | d552be457a2f645f6b7875a79c161c18d096bfc1 (diff) | |
| download | bcm5719-llvm-1e008c173a85c230e87df8f92b1e451806acaa29.tar.gz bcm5719-llvm-1e008c173a85c230e87df8f92b1e451806acaa29.zip | |
PR4737: Fix a nasty bug in load narrowing with non-power-of-two types.
llvm-svn: 79415
Diffstat (limited to 'llvm/lib/CodeGen')
| -rw-r--r-- | llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp b/llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp index 3c4f9de1cd9..4138e98f18e 100644 --- a/llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp +++ b/llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp @@ -3466,7 +3466,8 @@ SDValue DAGCombiner::ReduceLoadWidth(SDNode *N) { // Is the shift amount a multiple of size of VT? if ((ShAmt & (EVTBits-1)) == 0) { N0 = N0.getOperand(0); - if (N0.getValueType().getSizeInBits() <= EVTBits) + // Is the load width a multiple of size of VT? + if ((N0.getValueType().getSizeInBits() & (EVTBits-1)) != 0) return SDValue(); } } |
