From 2b48a9441306184c995bab10ce7b7e3375b47cb4 Mon Sep 17 00:00:00 2001 From: Chris Lattner Date: Fri, 28 Apr 2006 23:33:20 +0000 Subject: 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 --- llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp | 7 ------- 1 file changed, 7 deletions(-) (limited to 'llvm/lib/CodeGen') 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(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(N0.getOperand(3))->getVT() && -- cgit v1.2.3