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Fix up a few minor typos in comments. 

llvm-svn: 71563
This commit is contained in:
Bob Wilson 2009-05-12 17:35:29 +00:00
parent 2f4e56fd2e
commit ce8cfb41e8
1 changed files with 7 additions and 7 deletions
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14
llvm/lib/Target/ARM/ARMConstantIslandPass.cpp
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@ -996,7 +996,7 @@ void ARMConstantIslands::CreateNewWater(unsigned CPUserIndex,
}
/// HandleConstantPoolUser - Analyze the specified user, checking to see if it
/// is out-of-range. If so, pick it up the constant pool value and move it some
/// is out-of-range. If so, pick up the constant pool value and move it some
/// place in-range. Return true if we changed any addresses (thus must run
/// another pass of branch lengthening), false otherwise.
bool ARMConstantIslands::HandleConstantPoolUser(MachineFunction &Fn,
@ -1008,7 +1008,7 @@ bool ARMConstantIslands::HandleConstantPoolUser(MachineFunction &Fn,
unsigned Size = CPEMI->getOperand(2).getImm();
MachineBasicBlock *NewMBB;
// Compute this only once, it's expensive. The 4 or 8 is the value the
// hardware keeps in the PC (2 insns ahead of the reference).
// hardware keeps in the PC (2 insns ahead of the reference).
unsigned UserOffset = GetOffsetOf(UserMI) + (isThumb ? 4 : 8);
// Special case: tLEApcrel are two instructions MI's. The actual user is the
@ -1024,7 +1024,7 @@ bool ARMConstantIslands::HandleConstantPoolUser(MachineFunction &Fn,
// No existing clone of this CPE is within range.
// We will be generating a new clone. Get a UID for it.
unsigned ID = AFI->createConstPoolEntryUId();
unsigned ID = AFI->createConstPoolEntryUId();
// Look for water where we can place this CPE. We look for the farthest one
// away that will work. Forward references only for now (although later
@ -1160,7 +1160,7 @@ bool ARMConstantIslands::FixUpImmediateBr(MachineFunction &Fn, ImmBranch &Br) {
/// FixUpUnconditionalBr - Fix up an unconditional branch whose destination is
/// too far away to fit in its displacement field. If the LR register has been
/// spilled in the epilogue, then we can use BL to implement a far jump.
/// Otherwise, add an intermediate branch instruction to to a branch.
/// Otherwise, add an intermediate branch instruction to a branch.
bool
ARMConstantIslands::FixUpUnconditionalBr(MachineFunction &Fn, ImmBranch &Br) {
MachineInstr *MI = Br.MI;
@ -1188,7 +1188,7 @@ ARMConstantIslands::FixUpConditionalBr(MachineFunction &Fn, ImmBranch &Br) {
MachineInstr *MI = Br.MI;
MachineBasicBlock *DestBB = MI->getOperand(0).getMBB();
// Add a unconditional branch to the destination and invert the branch
// Add an unconditional branch to the destination and invert the branch
// condition to jump over it:
// blt L1
// =>
@ -1210,7 +1210,7 @@ ARMConstantIslands::FixUpConditionalBr(MachineFunction &Fn, ImmBranch &Br) {
if (BMI != MI) {
if (next(MachineBasicBlock::iterator(MI)) == prior(MBB->end()) &&
BMI->getOpcode() == Br.UncondBr) {
// Last MI in the BB is a unconditional branch. Can we simply invert the
// Last MI in the BB is an unconditional branch. Can we simply invert the
// condition and swap destinations:
// beq L1
// b L2
@ -1230,7 +1230,7 @@ ARMConstantIslands::FixUpConditionalBr(MachineFunction &Fn, ImmBranch &Br) {
if (NeedSplit) {
SplitBlockBeforeInstr(MI);
// No need for the branch to the next block. We're adding a unconditional
// No need for the branch to the next block. We're adding an unconditional
// branch to the destination.
int delta = TII->GetInstSizeInBytes(&MBB->back());
BBSizes[MBB->getNumber()] -= delta;