diff options
Diffstat (limited to 'llvm/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp')
| -rw-r--r-- | llvm/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp | 56 |
1 files changed, 56 insertions, 0 deletions
diff --git a/llvm/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp b/llvm/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp index 11347f9e584..8b9fa863296 100644 --- a/llvm/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp +++ b/llvm/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp @@ -541,6 +541,8 @@ public: void visitShl(User &I) { visitShift(I, ISD::SHL); } void visitLShr(User &I) { visitShift(I, ISD::SRL); } void visitAShr(User &I) { visitShift(I, ISD::SRA); } + void visitICmp(User &I); + void visitFCmp(User &I); void visitSetCC(User &I, ISD::CondCode SignedOpc, ISD::CondCode UnsignedOpc, ISD::CondCode FPOpc); void visitSetEQ(User &I) { visitSetCC(I, ISD::SETEQ, ISD::SETEQ, @@ -1442,6 +1444,60 @@ void SelectionDAGLowering::visitShift(User &I, unsigned Opcode) { setValue(&I, DAG.getNode(Opcode, Op1.getValueType(), Op1, Op2)); } +void SelectionDAGLowering::visitICmp(User &I) { + ICmpInst *IC = cast<ICmpInst>(&I); + SDOperand Op1 = getValue(IC->getOperand(0)); + SDOperand Op2 = getValue(IC->getOperand(1)); + ISD::CondCode Opcode; + switch (IC->getPredicate()) { + case ICmpInst::ICMP_EQ : Opcode = ISD::SETEQ; break; + case ICmpInst::ICMP_NE : Opcode = ISD::SETNE; break; + case ICmpInst::ICMP_UGT : Opcode = ISD::SETUGT; break; + case ICmpInst::ICMP_UGE : Opcode = ISD::SETUGE; break; + case ICmpInst::ICMP_ULT : Opcode = ISD::SETULT; break; + case ICmpInst::ICMP_ULE : Opcode = ISD::SETULE; break; + case ICmpInst::ICMP_SGT : Opcode = ISD::SETGT; break; + case ICmpInst::ICMP_SGE : Opcode = ISD::SETGE; break; + case ICmpInst::ICMP_SLT : Opcode = ISD::SETLT; break; + case ICmpInst::ICMP_SLE : Opcode = ISD::SETLE; break; + default: + assert(!"Invalid ICmp predicate value"); + Opcode = ISD::SETEQ; + break; + } + setValue(&I, DAG.getSetCC(MVT::i1, Op1, Op2, Opcode)); +} + +void SelectionDAGLowering::visitFCmp(User &I) { + FCmpInst *FC = cast<FCmpInst>(&I); + SDOperand Op1 = getValue(FC->getOperand(0)); + SDOperand Op2 = getValue(FC->getOperand(1)); + ISD::CondCode Opcode; + switch (FC->getPredicate()) { + case FCmpInst::FCMP_FALSE : Opcode = ISD::SETFALSE; + case FCmpInst::FCMP_OEQ : Opcode = ISD::SETOEQ; + case FCmpInst::FCMP_OGT : Opcode = ISD::SETOGT; + case FCmpInst::FCMP_OGE : Opcode = ISD::SETOGE; + case FCmpInst::FCMP_OLT : Opcode = ISD::SETOLT; + case FCmpInst::FCMP_OLE : Opcode = ISD::SETOLE; + case FCmpInst::FCMP_ONE : Opcode = ISD::SETONE; + case FCmpInst::FCMP_ORD : Opcode = ISD::SETO; + case FCmpInst::FCMP_UNO : Opcode = ISD::SETUO; + case FCmpInst::FCMP_UEQ : Opcode = ISD::SETUEQ; + case FCmpInst::FCMP_UGT : Opcode = ISD::SETUGT; + case FCmpInst::FCMP_UGE : Opcode = ISD::SETUGE; + case FCmpInst::FCMP_ULT : Opcode = ISD::SETULT; + case FCmpInst::FCMP_ULE : Opcode = ISD::SETULE; + case FCmpInst::FCMP_UNE : Opcode = ISD::SETUNE; + case FCmpInst::FCMP_TRUE : Opcode = ISD::SETTRUE; + default: + assert(!"Invalid FCmp predicate value"); + Opcode = ISD::SETFALSE; + break; + } + setValue(&I, DAG.getSetCC(MVT::i1, Op1, Op2, Opcode)); +} + void SelectionDAGLowering::visitSetCC(User &I,ISD::CondCode SignedOpcode, ISD::CondCode UnsignedOpcode, ISD::CondCode FPOpcode) { |
