diff options
Diffstat (limited to 'lib/CodeGen/SelectionDAG/TargetLowering.cpp')
-rw-r--r-- | lib/CodeGen/SelectionDAG/TargetLowering.cpp | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/lib/CodeGen/SelectionDAG/TargetLowering.cpp b/lib/CodeGen/SelectionDAG/TargetLowering.cpp index d74ec7e2e5..1683d01bba 100644 --- a/lib/CodeGen/SelectionDAG/TargetLowering.cpp +++ b/lib/CodeGen/SelectionDAG/TargetLowering.cpp @@ -540,6 +540,24 @@ TargetLowering::~TargetLowering() { delete &TLOF; } +/// canOpTrap - Returns true if the operation can trap for the value type. +/// VT must be a legal type. +bool TargetLowering::canOpTrap(unsigned Op, EVT VT) const { + assert(isTypeLegal(VT)); + switch (Op) { + default: + return false; + case ISD::FDIV: + case ISD::FREM: + case ISD::SDIV: + case ISD::UDIV: + case ISD::SREM: + case ISD::UREM: + return true; + } +} + + static unsigned getVectorTypeBreakdownMVT(MVT VT, MVT &IntermediateVT, unsigned &NumIntermediates, EVT &RegisterVT, |