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| author | Chris Lattner <sabre@nondot.org> | 2006-04-28 23:33:20 +0000 |
|---|---|---|
| committer | Chris Lattner <sabre@nondot.org> | 2006-04-28 23:33:20 +0000 |
| commit | 2b48a9441306184c995bab10ce7b7e3375b47cb4 (patch) | |
| tree | 763cbb46444be7a4b9351950bd821ff778289f19 /llvm/lib/CodeGen | |
| parent | d369603df9f73bfbb1c504f946cf0018f813b801 (diff) | |
| download | bcm5719-llvm-2b48a9441306184c995bab10ce7b7e3375b47cb4.tar.gz bcm5719-llvm-2b48a9441306184c995bab10ce7b7e3375b47cb4.zip | |
Remove a bogus transformation. This fixes SingleSource/UnitTests/2006-01-23-InitializedBitField.c
with some changes I have to the new CFE.
llvm-svn: 28022
Diffstat (limited to 'llvm/lib/CodeGen')
| -rw-r--r-- | llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp | 7 |
1 files changed, 0 insertions, 7 deletions
diff --git a/llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp b/llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp index e9b30cb38bd..ac70150f8e0 100644 --- a/llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp +++ b/llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp @@ -1899,13 +1899,6 @@ SDOperand DAGCombiner::visitSIGN_EXTEND_INREG(SDNode *N) { // fold (sext_in_reg x) -> (zext_in_reg x) if the sign bit is zero if (TLI.MaskedValueIsZero(N0, 1ULL << (EVTBits-1))) return DAG.getZeroExtendInReg(N0, EVT); - // fold (sext_in_reg (srl x)) -> sra x - if (N0.getOpcode() == ISD::SRL && - N0.getOperand(1).getOpcode() == ISD::Constant && - cast<ConstantSDNode>(N0.getOperand(1))->getValue() == EVTBits) { - return DAG.getNode(ISD::SRA, N0.getValueType(), N0.getOperand(0), - N0.getOperand(1)); - } // fold (sext_inreg (extload x)) -> (sextload x) if (N0.getOpcode() == ISD::EXTLOAD && EVT == cast<VTSDNode>(N0.getOperand(3))->getVT() && |
