diff options
Diffstat (limited to 'lib/Target/Alpha/AlphaISelPattern.cpp')
-rw-r--r-- | lib/Target/Alpha/AlphaISelPattern.cpp | 24 |
1 files changed, 0 insertions, 24 deletions
diff --git a/lib/Target/Alpha/AlphaISelPattern.cpp b/lib/Target/Alpha/AlphaISelPattern.cpp index 8a377d056a..1a20b2951d 100644 --- a/lib/Target/Alpha/AlphaISelPattern.cpp +++ b/lib/Target/Alpha/AlphaISelPattern.cpp @@ -116,8 +116,6 @@ public: CCInvMap.clear(); } - virtual void EmitFunctionEntryCode(Function &Fn, MachineFunction &MF); - unsigned SelectExpr(SDOperand N); void Select(SDOperand N); @@ -135,28 +133,6 @@ public: }; } -void AlphaISel::EmitFunctionEntryCode(Function &Fn, MachineFunction &MF) { - // If this function has live-in values, emit the copies from pregs to vregs at - // the top of the function, before anything else. - MachineBasicBlock *BB = MF.begin(); - if (MF.livein_begin() != MF.livein_end()) { - SSARegMap *RegMap = MF.getSSARegMap(); - for (MachineFunction::livein_iterator LI = MF.livein_begin(), - E = MF.livein_end(); LI != E; ++LI) { - const TargetRegisterClass *RC = RegMap->getRegClass(LI->second); - if (RC == Alpha::GPRCRegisterClass) { - BuildMI(BB, Alpha::BIS, 2, LI->second).addReg(LI->first) - .addReg(LI->first); - } else if (RC == Alpha::FPRCRegisterClass) { - BuildMI(BB, Alpha::CPYS, 2, LI->second).addReg(LI->first) - .addReg(LI->first); - } else { - assert(0 && "Unknown regclass!"); - } - } - } -} - static bool isSIntImmediate(SDOperand N, int64_t& Imm) { // test for constant if (ConstantSDNode *CN = dyn_cast<ConstantSDNode>(N)) { |