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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 | 67ebebabfb0a1879a297abbcd979dee1065111c6 (patch) | |
| tree | 8905a2711909abba1b9214b7d5a03fc07ba5b1b9 /lib | |
| parent | 4a9c9df62c661e3d7917296a5052fd11ee7e053d (diff) | |
| download | external_llvm-67ebebabfb0a1879a297abbcd979dee1065111c6.zip external_llvm-67ebebabfb0a1879a297abbcd979dee1065111c6.tar.gz external_llvm-67ebebabfb0a1879a297abbcd979dee1065111c6.tar.bz2 | |
PR4737: Fix a nasty bug in load narrowing with non-power-of-two types.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79415 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/CodeGen/SelectionDAG/DAGCombiner.cpp | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/lib/CodeGen/SelectionDAG/DAGCombiner.cpp b/lib/CodeGen/SelectionDAG/DAGCombiner.cpp index 3c4f9de..4138e98 100644 --- a/lib/CodeGen/SelectionDAG/DAGCombiner.cpp +++ b/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(); } } |