Implement DwarfLLVMRegPair::operator< without violating asymmetry.

MSVC8 verifies this.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@154002 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Benjamin Kramer 2012-04-04 08:24:08 +00:00
parent 58609b7413
commit 32d1774d45

View File

@ -134,8 +134,7 @@ public:
unsigned FromReg;
unsigned ToReg;
bool operator==(unsigned Reg) const { return FromReg == Reg; }
bool operator<(unsigned Reg) const { return FromReg < Reg; }
bool operator<(DwarfLLVMRegPair RHS) const { return FromReg < RHS.FromReg; }
};
private:
const MCRegisterDesc *Desc; // Pointer to the descriptor array
@ -315,7 +314,8 @@ public:
const DwarfLLVMRegPair *M = isEH ? EHL2DwarfRegs : L2DwarfRegs;
unsigned Size = isEH ? EHL2DwarfRegsSize : L2DwarfRegsSize;
const DwarfLLVMRegPair *I = std::lower_bound(M, M+Size, RegNum);
DwarfLLVMRegPair Key = { RegNum, 0 };
const DwarfLLVMRegPair *I = std::lower_bound(M, M+Size, Key);
if (I == M+Size || I->FromReg != RegNum)
return -1;
return I->ToReg;
@ -327,7 +327,8 @@ public:
const DwarfLLVMRegPair *M = isEH ? EHDwarf2LRegs : Dwarf2LRegs;
unsigned Size = isEH ? EHDwarf2LRegsSize : Dwarf2LRegsSize;
const DwarfLLVMRegPair *I = std::lower_bound(M, M+Size, RegNum);
DwarfLLVMRegPair Key = { RegNum, 0 };
const DwarfLLVMRegPair *I = std::lower_bound(M, M+Size, Key);
assert(I != M+Size && I->FromReg == RegNum && "Invalid RegNum");
return I->ToReg;
}