[mips] Simplify LowerFormalArguments using getRegClassFor.

No functionality change.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@193540 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Akira Hatanaka 2013-10-28 21:21:36 +00:00
parent 1df3e17fde
commit 5956bed699

View File

@ -2598,22 +2598,9 @@ MipsTargetLowering::LowerFormalArguments(SDValue Chain,
// Arguments stored on registers
if (IsRegLoc) {
EVT RegVT = VA.getLocVT();
MVT RegVT = VA.getLocVT();
unsigned ArgReg = VA.getLocReg();
const TargetRegisterClass *RC;
if (RegVT == MVT::i32)
RC = Subtarget->inMips16Mode()? &Mips::CPU16RegsRegClass :
&Mips::GPR32RegClass;
else if (RegVT == MVT::i64)
RC = &Mips::GPR64RegClass;
else if (RegVT == MVT::f32)
RC = &Mips::FGR32RegClass;
else if (RegVT == MVT::f64)
RC = Subtarget->isFP64bit() ? &Mips::FGR64RegClass :
&Mips::AFGR64RegClass;
else
llvm_unreachable("RegVT not supported by FormalArguments Lowering");
const TargetRegisterClass *RC = getRegClassFor(RegVT);
// Transform the arguments stored on
// physical registers into virtual ones