270 static bool MustSaveLR(const MachineFunction &MF, unsigned LR) {  in MustSaveLR()  function
318                        !MustSaveLR(MF, LR) &&       // No need to save LR.  in determineFrameLayout()
637   bool MustSaveLR = FI->mustSaveLR();  in emitPrologue()  local
681   assert((isPPC64 || !isSVR4ABI || !(!FrameSize && (MustSaveLR || HasFP))) &&  in emitPrologue()
805   if (MustSaveCR && SingleScratchReg && MustSaveLR) {  in emitPrologue()
813   if (MustSaveLR)  in emitPrologue()
816   if (MustSaveCR && !(SingleScratchReg && MustSaveLR))  in emitPrologue()
840   if (MustSaveLR) {  in emitPrologue()
867       !(SingleScratchReg && MustSaveLR)) {  in emitPrologue()
1132     if (MustSaveLR) {  in emitPrologue()
1549   bool MustSaveLR = FI->mustSaveLR();  in emitEpilogue()  local
1762   if (MustSaveCR && SingleScratchReg && MustSaveLR) {  in emitEpilogue()
1779   if (MustSaveLR && RBReg == SPReg && isInt<16>(LROffset+SPAdd)) {  in emitEpilogue()
1786   if (MustSaveCR && !(SingleScratchReg && MustSaveLR)) {  in emitEpilogue()
1837     if (MustSaveLR && !LoadedLR)  in emitEpilogue()
1844       !(SingleScratchReg && MustSaveLR))  in emitEpilogue()
1849   if (MustSaveLR) {  in emitEpilogue()
1974   FI->setMustSaveLR(MustSaveLR(MF, LR));  in determineCalleeSaves()