From 1482b5fc7affd691fbd8ece7808ddd4559ad20ae Mon Sep 17 00:00:00 2001 From: Chris Lattner Date: Sun, 2 Apr 2006 06:15:09 +0000 Subject: [PATCH] Allow targets to compute masked bits for intrinsics. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27357 91177308-0d34-0410-b5e6-96231b3b80d8 --- lib/CodeGen/SelectionDAG/TargetLowering.cpp | 13 +++++++++---- 1 file changed, 9 insertions(+), 4 deletions(-) diff --git a/lib/CodeGen/SelectionDAG/TargetLowering.cpp b/lib/CodeGen/SelectionDAG/TargetLowering.cpp index f1e36be494d..9a2c9a19fb6 100644 --- a/lib/CodeGen/SelectionDAG/TargetLowering.cpp +++ b/lib/CodeGen/SelectionDAG/TargetLowering.cpp @@ -619,9 +619,10 @@ bool TargetLowering::SimplifyDemandedBits(SDOperand Op, uint64_t DemandedMask, } case ISD::ADD: case ISD::SUB: - // Just use ComputeMaskedBits to compute output bits, there are no - // simplifications that can be done here, and sub always demands all input - // bits. + case ISD::INTRINSIC_WO_CHAIN: + case ISD::INTRINSIC_W_CHAIN: + case ISD::INTRINSIC_VOID: + // Just use ComputeMaskedBits to compute output bits. ComputeMaskedBits(Op, DemandedMask, KnownZero, KnownOne, Depth); break; } @@ -916,8 +917,12 @@ void TargetLowering::ComputeMaskedBits(SDOperand Op, uint64_t Mask, } default: // Allow the target to implement this method for its nodes. - if (Op.getOpcode() >= ISD::BUILTIN_OP_END) + if (Op.getOpcode() >= ISD::BUILTIN_OP_END) { + case ISD::INTRINSIC_WO_CHAIN: + case ISD::INTRINSIC_W_CHAIN: + case ISD::INTRINSIC_VOID: computeMaskedBitsForTargetNode(Op, Mask, KnownZero, KnownOne); + } return; } } -- 2.34.1