Remove trailing whitespace
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21420 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/PHIElimination.cpp b/lib/CodeGen/PHIElimination.cpp
index 0010ccd..6790b3f 100644
--- a/lib/CodeGen/PHIElimination.cpp
+++ b/lib/CodeGen/PHIElimination.cpp
@@ -1,10 +1,10 @@
//===-- PhiElimination.cpp - Eliminate PHI nodes by inserting copies ------===//
-//
+//
// The LLVM Compiler Infrastructure
//
// This file was developed by the LLVM research group and is distributed under
// the University of Illinois Open Source License. See LICENSE.TXT for details.
-//
+//
//===----------------------------------------------------------------------===//
//
// This pass eliminates machine instruction PHI nodes by inserting copy
@@ -97,12 +97,12 @@
while (MBB.front().getOpcode() == TargetInstrInfo::PHI) {
// Unlink the PHI node from the basic block, but don't delete the PHI yet.
MachineInstr *MPhi = MBB.remove(MBB.begin());
-
+
assert(MRegisterInfo::isVirtualRegister(MPhi->getOperand(0).getReg()) &&
"PHI node doesn't write virt reg?");
unsigned DestReg = MPhi->getOperand(0).getReg();
-
+
// Create a new register for the incoming PHI arguments
const TargetRegisterClass *RC = MF.getSSARegMap()->getRegClass(DestReg);
unsigned IncomingReg = MF.getSSARegMap()->createVirtualRegister(RC);
@@ -112,7 +112,7 @@
// into the phi node destination.
//
RegInfo->copyRegToReg(MBB, AfterPHIsIt, DestReg, IncomingReg, RC);
-
+
// Update live variable information if there is any...
if (LV) {
MachineInstr *PHICopy = prior(AfterPHIsIt);
@@ -128,7 +128,7 @@
// of any registers, or if the value itself is dead, we need to move this
// information over to the new copy we just inserted.
//
- std::pair<LiveVariables::killed_iterator, LiveVariables::killed_iterator>
+ std::pair<LiveVariables::killed_iterator, LiveVariables::killed_iterator>
RKs = LV->killed_range(MPhi);
std::vector<std::pair<MachineInstr*, unsigned> > Range;
if (RKs.first != RKs.second) // Delete the range.
@@ -154,13 +154,13 @@
//
for (int i = MPhi->getNumOperands() - 1; i >= 2; i-=2) {
MachineOperand &opVal = MPhi->getOperand(i-1);
-
+
// Get the MachineBasicBlock equivalent of the BasicBlock that is the
// source path the PHI.
MachineBasicBlock &opBlock = *MPhi->getOperand(i).getMachineBasicBlock();
MachineBasicBlock::iterator I = opBlock.getFirstTerminator();
-
+
// Check to make sure we haven't already emitted the copy for this block.
// This can happen because PHI nodes may have multiple entries for the
// same basic block. It doesn't matter which entry we use though, because
@@ -171,7 +171,7 @@
// register we are interested in!
//
bool HaveNotEmitted = true;
-
+
if (I != opBlock.begin()) {
MachineBasicBlock::iterator PrevInst = prior(I);
for (unsigned i = 0, e = PrevInst->getNumOperands(); i != e; ++i) {
@@ -180,7 +180,7 @@
if (MO.isDef()) {
HaveNotEmitted = false;
break;
- }
+ }
}
}
@@ -215,7 +215,7 @@
for (MachineBasicBlock::succ_iterator SI = opBlock.succ_begin(),
E = opBlock.succ_end(); SI != E && !ValueIsLive; ++SI) {
MachineBasicBlock *SuccMBB = *SI;
-
+
// Is it alive in this successor?
unsigned SuccIdx = SuccMBB->getNumber();
if (SuccIdx < InRegVI.AliveBlocks.size() &&
@@ -223,7 +223,7 @@
ValueIsLive = true;
break;
}
-
+
// Is it killed in this successor?
for (unsigned i = 0, e = InRegVI.Kills.size(); i != e; ++i)
if (InRegVI.Kills[i]->getParent() == SuccMBB) {
@@ -235,7 +235,7 @@
if (!ValueIsLive)
ValueIsLive = VRegPHIUseCount[SrcReg] != 0;
}
-
+
// Okay, if we now know that the value is not live out of the block,
// we can add a kill marker to the copy we inserted saying that it
// kills the incoming value!
@@ -252,7 +252,7 @@
}
}
}
-
+
// Really delete the PHI instruction now!
delete MPhi;
}