diff options
Diffstat (limited to 'llvm/lib/Target/X86/X86ISelDAGToDAG.cpp')
| -rw-r--r-- | llvm/lib/Target/X86/X86ISelDAGToDAG.cpp | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/llvm/lib/Target/X86/X86ISelDAGToDAG.cpp b/llvm/lib/Target/X86/X86ISelDAGToDAG.cpp index d60e08c409c..592e6484207 100644 --- a/llvm/lib/Target/X86/X86ISelDAGToDAG.cpp +++ b/llvm/lib/Target/X86/X86ISelDAGToDAG.cpp @@ -580,6 +580,12 @@ X86DAGToDAGISel::IsProfitableToFold(SDValue N, SDNode *U, SDNode *Root) const { if (!N.hasOneUse()) return false; + // FIXME: Temporary hack to prevent strict floating point nodes from + // folding into masked operations illegally. + if (U == Root && Root->getOpcode() == ISD::VSELECT && + N.getOpcode() != ISD::LOAD && N.getOpcode() != X86ISD::VBROADCAST_LOAD) + return false; + if (N.getOpcode() != ISD::LOAD) return true; |
