From 278f83daebd1d2072a4ce6892fa3481db5cdefbe Mon Sep 17 00:00:00 2001 From: Richard Pennington Date: Sat, 21 Feb 2009 19:11:18 +0000 Subject: [PATCH] bug 3610: Floating point vaarg not softened. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@65239 91177308-0d34-0410-b5e6-96231b3b80d8 --- lib/CodeGen/SelectionDAG/LegalizeFloatTypes.cpp | 17 +++++++++++++++++ lib/CodeGen/SelectionDAG/LegalizeTypes.h | 1 + 2 files changed, 18 insertions(+) diff --git a/lib/CodeGen/SelectionDAG/LegalizeFloatTypes.cpp b/lib/CodeGen/SelectionDAG/LegalizeFloatTypes.cpp index e203b1bcd4a..ce312ae8c86 100644 --- a/lib/CodeGen/SelectionDAG/LegalizeFloatTypes.cpp +++ b/lib/CodeGen/SelectionDAG/LegalizeFloatTypes.cpp @@ -88,6 +88,7 @@ void DAGTypeLegalizer::SoftenFloatResult(SDNode *N, unsigned ResNo) { case ISD::SELECT_CC: R = SoftenFloatRes_SELECT_CC(N); break; case ISD::SINT_TO_FP: case ISD::UINT_TO_FP: R = SoftenFloatRes_XINT_TO_FP(N); break; + case ISD::VAARG: R = SoftenFloatRes_VAARG(N); break; } // If R is null, the sub-method took care of registering the result. @@ -454,6 +455,22 @@ SDValue DAGTypeLegalizer::SoftenFloatRes_SELECT_CC(SDNode *N) { N->getOperand(1), LHS, RHS, N->getOperand(4)); } +SDValue DAGTypeLegalizer::SoftenFloatRes_VAARG(SDNode *N) { + SDValue Chain = N->getOperand(0); // Get the chain. + SDValue Ptr = N->getOperand(1); // Get the pointer. + MVT VT = N->getValueType(0); + MVT NVT = TLI.getTypeToTransformTo(VT); + DebugLoc dl = N->getDebugLoc(); + + SDValue NewVAARG; + NewVAARG = DAG.getVAArg(NVT, dl, Chain, Ptr, N->getOperand(2)); + + // Legalized the chain result - switch anything that used the old chain to + // use the new one. + ReplaceValueWith(SDValue(N, 1), NewVAARG.getValue(1)); + return NewVAARG; +} + SDValue DAGTypeLegalizer::SoftenFloatRes_XINT_TO_FP(SDNode *N) { bool Signed = N->getOpcode() == ISD::SINT_TO_FP; MVT SVT = N->getOperand(0).getValueType(); diff --git a/lib/CodeGen/SelectionDAG/LegalizeTypes.h b/lib/CodeGen/SelectionDAG/LegalizeTypes.h index 6d66c974ef6..4228f560bdd 100644 --- a/lib/CodeGen/SelectionDAG/LegalizeTypes.h +++ b/lib/CodeGen/SelectionDAG/LegalizeTypes.h @@ -417,6 +417,7 @@ private: SDValue SoftenFloatRes_LOAD(SDNode *N); SDValue SoftenFloatRes_SELECT(SDNode *N); SDValue SoftenFloatRes_SELECT_CC(SDNode *N); + SDValue SoftenFloatRes_VAARG(SDNode *N); SDValue SoftenFloatRes_XINT_TO_FP(SDNode *N); // Operand Float to Integer Conversion. -- 2.34.1