From fca95cfee9e606fe68a321cc8df29cef66dfb05b Mon Sep 17 00:00:00 2001 From: Alex Bradbury Date: Fri, 30 Nov 2018 13:18:33 +0000 Subject: [SelectionDAG] Support result type promotion for FLT_ROUNDS_ For targets where i32 is not a legal type (e.g. 64-bit RISC-V), LegalizeIntegerTypes must promote the result of ISD::FLT_ROUNDS_. Differential Revision: https://reviews.llvm.org/D53820 llvm-svn: 347986 --- llvm/lib/CodeGen/SelectionDAG/LegalizeIntegerTypes.cpp | 9 +++++++++ llvm/lib/CodeGen/SelectionDAG/LegalizeTypes.h | 1 + 2 files changed, 10 insertions(+) (limited to 'llvm/lib') diff --git a/llvm/lib/CodeGen/SelectionDAG/LegalizeIntegerTypes.cpp b/llvm/lib/CodeGen/SelectionDAG/LegalizeIntegerTypes.cpp index 2a89af94902..265f67b7659 100644 --- a/llvm/lib/CodeGen/SelectionDAG/LegalizeIntegerTypes.cpp +++ b/llvm/lib/CodeGen/SelectionDAG/LegalizeIntegerTypes.cpp @@ -118,6 +118,8 @@ void DAGTypeLegalizer::PromoteIntegerResult(SDNode *N, unsigned ResNo) { case ISD::FP_TO_FP16: Res = PromoteIntRes_FP_TO_FP16(N); break; + case ISD::FLT_ROUNDS_: Res = PromoteIntRes_FLT_ROUNDS(N); break; + case ISD::AND: case ISD::OR: case ISD::XOR: @@ -475,6 +477,13 @@ SDValue DAGTypeLegalizer::PromoteIntRes_FP_TO_FP16(SDNode *N) { return DAG.getNode(N->getOpcode(), dl, NVT, N->getOperand(0)); } +SDValue DAGTypeLegalizer::PromoteIntRes_FLT_ROUNDS(SDNode *N) { + EVT NVT = TLI.getTypeToTransformTo(*DAG.getContext(), N->getValueType(0)); + SDLoc dl(N); + + return DAG.getNode(N->getOpcode(), dl, NVT); +} + SDValue DAGTypeLegalizer::PromoteIntRes_INT_EXTEND(SDNode *N) { EVT NVT = TLI.getTypeToTransformTo(*DAG.getContext(), N->getValueType(0)); SDLoc dl(N); diff --git a/llvm/lib/CodeGen/SelectionDAG/LegalizeTypes.h b/llvm/lib/CodeGen/SelectionDAG/LegalizeTypes.h index e00743436c6..38a23729a1d 100644 --- a/llvm/lib/CodeGen/SelectionDAG/LegalizeTypes.h +++ b/llvm/lib/CodeGen/SelectionDAG/LegalizeTypes.h @@ -345,6 +345,7 @@ private: SDValue PromoteIntRes_VAARG(SDNode *N); SDValue PromoteIntRes_XMULO(SDNode *N, unsigned ResNo); SDValue PromoteIntRes_ADDSUBSAT(SDNode *N); + SDValue PromoteIntRes_FLT_ROUNDS(SDNode *N); // Integer Operand Promotion. bool PromoteIntegerOperand(SDNode *N, unsigned OpNo); -- cgit v1.2.3