diff options
Diffstat (limited to 'llvm/lib/Target')
| -rw-r--r-- | llvm/lib/Target/X86/X86FastISel.cpp | 40 |
1 files changed, 0 insertions, 40 deletions
diff --git a/llvm/lib/Target/X86/X86FastISel.cpp b/llvm/lib/Target/X86/X86FastISel.cpp index 72c50ba2e70..36cde6b4c3b 100644 --- a/llvm/lib/Target/X86/X86FastISel.cpp +++ b/llvm/lib/Target/X86/X86FastISel.cpp @@ -164,46 +164,6 @@ private: } // end anonymous namespace. -static CmpInst::Predicate optimizeCmpPredicate(const CmpInst *CI) { - // 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; -} - static std::pair<X86::CondCode, bool> getX86ConditionCode(CmpInst::Predicate Predicate) { X86::CondCode CC = X86::COND_INVALID; |
