[mips] Use range-based for loops and simplify slightly the code. NFC.
llvm-svn: 266471
diff --git a/llvm/lib/Target/Mips/MipsSEISelDAGToDAG.cpp b/llvm/lib/Target/Mips/MipsSEISelDAGToDAG.cpp
index 6f001ea..5af3548 100644
--- a/llvm/lib/Target/Mips/MipsSEISelDAGToDAG.cpp
+++ b/llvm/lib/Target/Mips/MipsSEISelDAGToDAG.cpp
@@ -220,16 +220,20 @@
MachineRegisterInfo *MRI = &MF.getRegInfo();
- for (MachineFunction::iterator MFI = MF.begin(), MFE = MF.end(); MFI != MFE;
- ++MFI)
- for (MachineBasicBlock::iterator I = MFI->begin(); I != MFI->end(); ++I) {
- if (I->getOpcode() == Mips::RDDSP)
- addDSPCtrlRegOperands(false, *I, MF);
- else if (I->getOpcode() == Mips::WRDSP)
- addDSPCtrlRegOperands(true, *I, MF);
- else
- replaceUsesWithZeroReg(MRI, *I);
+ for (auto &MBB: MF) {
+ for (auto &MI: MBB) {
+ switch (MI.getOpcode()) {
+ case Mips::RDDSP:
+ addDSPCtrlRegOperands(false, MI, MF);
+ break;
+ case Mips::WRDSP:
+ addDSPCtrlRegOperands(true, MI, MF);
+ break;
+ default:
+ replaceUsesWithZeroReg(MRI, MI);
+ }
}
+ }
}
SDNode *MipsSEDAGToDAGISel::selectAddESubE(unsigned MOp, SDValue InFlag,