diff options
Diffstat (limited to 'lib/CodeGen/RegAlloc/PhyRegAlloc.cpp')
| -rw-r--r-- | lib/CodeGen/RegAlloc/PhyRegAlloc.cpp | 28 |
1 files changed, 14 insertions, 14 deletions
diff --git a/lib/CodeGen/RegAlloc/PhyRegAlloc.cpp b/lib/CodeGen/RegAlloc/PhyRegAlloc.cpp index 1e44e17fbd..a04d4b8cda 100644 --- a/lib/CodeGen/RegAlloc/PhyRegAlloc.cpp +++ b/lib/CodeGen/RegAlloc/PhyRegAlloc.cpp @@ -104,7 +104,7 @@ PhyRegAlloc::~PhyRegAlloc() { } //---------------------------------------------------------------------------- -// This method initally creates interference graphs (one in each reg class) +// This method initially creates interference graphs (one in each reg class) // and IGNodeList (one in each IG). The actual nodes will be pushed later. //---------------------------------------------------------------------------- void PhyRegAlloc::createIGNodeListsAndIGs() { @@ -145,7 +145,7 @@ void PhyRegAlloc::createIGNodeListsAndIGs() { //---------------------------------------------------------------------------- // This method will add all interferences at for a given instruction. -// Interence occurs only if the LR of Def (Inst or Arg) is of the same reg +// Interference occurs only if the LR of Def (Inst or Arg) is of the same reg // class as that of live var. The live var passed to this function is the // LVset AFTER the instruction //---------------------------------------------------------------------------- @@ -290,9 +290,9 @@ void PhyRegAlloc::buildInterferenceGraphs() bool isCallInst = TM.getInstrInfo().isCall(MInst->getOpCode()); if (isCallInst ) { - // set the isCallInterference flag of each live range wich extends - // accross this call instruction. This information is used by graph - // coloring algo to avoid allocating volatile colors to live ranges + // set the isCallInterference flag of each live range which extends + // across this call instruction. This information is used by graph + // coloring algorithm to avoid allocating volatile colors to live ranges // that span across calls (since they have to be saved/restored) // setCallInterferences(MInst, &LVSetAI); @@ -331,7 +331,7 @@ void PhyRegAlloc::buildInterferenceGraphs() } // for all BBs in function - // add interferences for function arguments. Since there are no explict + // add interferences for function arguments. Since there are no explicit // defs in the function for args, we have to add them manually // addInterferencesForArgs(); @@ -343,7 +343,7 @@ void PhyRegAlloc::buildInterferenceGraphs() //-------------------------------------------------------------------------- -// Pseudo instructions will be exapnded to multiple instructions by the +// Pseudo-instructions will be expanded to multiple instructions by the // assembler. Consequently, all the opernds must get distinct registers. // Therefore, we mark all operands of a pseudo instruction as they interfere // with one another. @@ -404,7 +404,7 @@ void PhyRegAlloc::addInterferencesForArgs() { //---------------------------------------------------------------------------- // This method is called after register allocation is complete to set the -// allocated reisters in the machine code. This code will add register numbers +// allocated registers in the machine code. This code will add register numbers // to MachineOperands that contain a Value. Also it calls target specific // methods to produce caller saving instructions. At the end, it adds all // additional instructions produced by the register allocator to the @@ -722,7 +722,7 @@ void PhyRegAlloc::updateMachineCode() // if it contains many spilled operands. Each time it is called, it finds // a register which is not live at that instruction and also which is not // used by other spilled operands of the same instruction. Then it uses -// this register temporarily to accomodate the spilled value. +// this register temporarily to accommodate the spilled value. //---------------------------------------------------------------------------- void PhyRegAlloc::insertCode4SpilledLR(const LiveRange *LR, @@ -835,7 +835,7 @@ void PhyRegAlloc::insertCode4SpilledLR(const LiveRange *LR, //---------------------------------------------------------------------------- -// This method inserts caller saving/restoring instructons before/after +// This method inserts caller saving/restoring instructions before/after // a call machine instruction. The caller saving/restoring instructions are // inserted like: // ** caller saving instructions @@ -1077,7 +1077,7 @@ int PhyRegAlloc::getUsableUniRegAtMI(const int RegType, //---------------------------------------------------------------------------- // This method is called to get a new unused register that can be used -// to accomodate a temporary value. This method may be called several times +// to accommodate a temporary value. This method may be called several times // for a single machine instruction. Each time it is called, it finds a // register which is not live at that instruction and also which is not used // by other spilled operands of the same instruction. Return register number @@ -1370,7 +1370,7 @@ void PhyRegAlloc::markUnusableSugColors() //---------------------------------------------------------------------------- // The following method will set the stack offsets of the live ranges that -// are decided to be spillled. This must be called just after coloring the +// are decided to be spilled. This must be called just after coloring the // LRs using the graph coloring algo. For each live range that is spilled, // this method allocate a new spill position on the stack. //---------------------------------------------------------------------------- @@ -1450,8 +1450,8 @@ void PhyRegAlloc::allocateRegisters() for (unsigned rc=0; rc < NumOfRegClasses ; rc++) RegClassList[rc]->colorAllRegs(); - // Atter graph coloring, if some LRs did not receive a color (i.e, spilled) - // a poistion for such spilled LRs + // After graph coloring, if some LRs did not receive a color (i.e, spilled) + // a position for such spilled LRs // allocateStackSpace4SpilledLRs(); |