From 1713e73b8ac53f045150cb2a7d7ba9781dc35ef8 Mon Sep 17 00:00:00 2001 From: Chris Lattner Date: Sun, 16 Jan 2005 00:38:00 +0000 Subject: [PATCH] legalize a bunch of operations that I missed. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19580 91177308-0d34-0410-b5e6-96231b3b80d8 --- lib/CodeGen/SelectionDAG/LegalizeDAG.cpp | 28 ++++++++++++++++-------- 1 file changed, 19 insertions(+), 9 deletions(-) diff --git a/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp b/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp index 34d814620d3..bcbaae825ab 100644 --- a/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp +++ b/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp @@ -751,7 +751,6 @@ SDOperand SelectionDAGLegalize::LegalizeOp(SDOperand Op) { case ISD::FP_TO_UINT: case ISD::SINT_TO_FP: case ISD::UINT_TO_FP: - switch (getTypeAction(Node->getOperand(0).getValueType())) { case Legal: Tmp1 = LegalizeOp(Node->getOperand(0)); @@ -776,19 +775,30 @@ SDOperand SelectionDAGLegalize::LegalizeOp(SDOperand Op) { case Promote: switch (Node->getOpcode()) { - case ISD::ZERO_EXTEND: { - // Mask out the high bits. - uint64_t MaskCst = - 1ULL << (MVT::getSizeInBits(Node->getOperand(0).getValueType()))-1; - Tmp1 = PromoteOp(Node->getOperand(0)); - Result = DAG.getNode(ISD::AND, Node->getValueType(0), Tmp1, - DAG.getConstant(MaskCst, Node->getValueType(0))); + case ISD::ZERO_EXTEND: + Result = PromoteOp(Node->getOperand(0)); + Result = DAG.getNode(ISD::ZERO_EXTEND_INREG, Result.getValueType(), + Result, Node->getOperand(0).getValueType()); break; - } case ISD::SIGN_EXTEND: + Result = PromoteOp(Node->getOperand(0)); + Result = DAG.getNode(ISD::SIGN_EXTEND_INREG, Result.getValueType(), + Result, Node->getOperand(0).getValueType()); + break; case ISD::TRUNCATE: + Result = PromoteOp(Node->getOperand(0)); + Result = DAG.getNode(ISD::TRUNCATE, Op.getValueType(), Result); + break; case ISD::FP_EXTEND: + Result = PromoteOp(Node->getOperand(0)); + if (Result.getValueType() != Op.getValueType()) + // Dynamically dead while we have only 2 FP types. + Result = DAG.getNode(ISD::FP_EXTEND, Op.getValueType(), Result); + break; case ISD::FP_ROUND: + Result = PromoteOp(Node->getOperand(0)); + Result = DAG.getNode(ISD::FP_ROUND, Op.getValueType(), Result); + break; case ISD::FP_TO_SINT: case ISD::FP_TO_UINT: case ISD::SINT_TO_FP: