+ Alignment, AAInfo, Ranges);
+}
+
+CmpInst::Predicate FastISel::optimizeCmpPredicate(const CmpInst *CI) const {
+ // If both operands are the same, then try to optimize or fold the cmp.
+ CmpInst::Predicate Predicate = CI->getPredicate();
+ if (CI->getOperand(0) != CI->getOperand(1))
+ return Predicate;
+
+ switch (Predicate) {
+ default: llvm_unreachable("Invalid predicate!");
+ case CmpInst::FCMP_FALSE: Predicate = CmpInst::FCMP_FALSE; break;
+ case CmpInst::FCMP_OEQ: Predicate = CmpInst::FCMP_ORD; break;
+ case CmpInst::FCMP_OGT: Predicate = CmpInst::FCMP_FALSE; break;
+ case CmpInst::FCMP_OGE: Predicate = CmpInst::FCMP_ORD; break;
+ case CmpInst::FCMP_OLT: Predicate = CmpInst::FCMP_FALSE; break;
+ case CmpInst::FCMP_OLE: Predicate = CmpInst::FCMP_ORD; break;
+ case CmpInst::FCMP_ONE: Predicate = CmpInst::FCMP_FALSE; break;
+ case CmpInst::FCMP_ORD: Predicate = CmpInst::FCMP_ORD; break;
+ case CmpInst::FCMP_UNO: Predicate = CmpInst::FCMP_UNO; break;
+ case CmpInst::FCMP_UEQ: Predicate = CmpInst::FCMP_TRUE; break;
+ case CmpInst::FCMP_UGT: Predicate = CmpInst::FCMP_UNO; break;
+ case CmpInst::FCMP_UGE: Predicate = CmpInst::FCMP_TRUE; break;
+ case CmpInst::FCMP_ULT: Predicate = CmpInst::FCMP_UNO; break;
+ case CmpInst::FCMP_ULE: Predicate = CmpInst::FCMP_TRUE; break;
+ case CmpInst::FCMP_UNE: Predicate = CmpInst::FCMP_UNO; break;
+ case CmpInst::FCMP_TRUE: Predicate = CmpInst::FCMP_TRUE; break;
+
+ case CmpInst::ICMP_EQ: Predicate = CmpInst::FCMP_TRUE; break;
+ case CmpInst::ICMP_NE: Predicate = CmpInst::FCMP_FALSE; break;
+ case CmpInst::ICMP_UGT: Predicate = CmpInst::FCMP_FALSE; break;
+ case CmpInst::ICMP_UGE: Predicate = CmpInst::FCMP_TRUE; break;
+ case CmpInst::ICMP_ULT: Predicate = CmpInst::FCMP_FALSE; break;
+ case CmpInst::ICMP_ULE: Predicate = CmpInst::FCMP_TRUE; break;
+ case CmpInst::ICMP_SGT: Predicate = CmpInst::FCMP_FALSE; break;
+ case CmpInst::ICMP_SGE: Predicate = CmpInst::FCMP_TRUE; break;
+ case CmpInst::ICMP_SLT: Predicate = CmpInst::FCMP_FALSE; break;
+ case CmpInst::ICMP_SLE: Predicate = CmpInst::FCMP_TRUE; break;
+ }
+
+ return Predicate;