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blockfreq: unwrapLoopPackage() => unwrapLoop() 

<rdar://problem/14292693>

llvm-svn: 207188
This commit is contained in:
Duncan P. N. Exon Smith 2014-04-25 04:38:25 +00:00
parent da0b21cf96
commit 0633f0ec29
1 changed files with 8 additions and 10 deletions
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18
llvm/lib/Analysis/BlockFrequencyInfoImpl.cpp
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@ -806,8 +806,7 @@ static void convertFloatingToInteger(BlockFrequencyInfoImplBase &BFI,
}
static void scaleBlockData(BlockFrequencyInfoImplBase &BFI,
const BlockNode &Node,
const LoopData &Loop) {
const BlockNode &Node, const LoopData &Loop) {
Float F = Loop.Mass.toFloat() * Loop.Scale;
Float &Current = BFI.Freqs[Node.Index].Floating;
@ -823,18 +822,17 @@ static void scaleBlockData(BlockFrequencyInfoImplBase &BFI,
///
/// Visits all the members of a loop, adjusting their BlockData according to
/// the loop's pseudo-node.
static void unwrapLoopPackage(BlockFrequencyInfoImplBase &BFI,
LoopData &LoopPackage) {
BlockNode Head = LoopPackage.getHeader();
static void unwrapLoop(BlockFrequencyInfoImplBase &BFI, LoopData &Loop) {
BlockNode Head = Loop.getHeader();
DEBUG(dbgs() << "unwrap-loop-package: " << BFI.getBlockName(Head)
<< ": mass = " << LoopPackage.Mass
<< ", scale = " << LoopPackage.Scale << "\n");
scaleBlockData(BFI, Head, LoopPackage);
<< ": mass = " << Loop.Mass << ", scale = " << Loop.Scale
<< "\n");
scaleBlockData(BFI, Head, Loop);
// Propagate the head scale through the loop. Since members are visited in
// RPO, the head scale will be updated by the loop scale first, and then the
// final head scale will be used for updated the rest of the members.
for (const BlockNode &M : LoopPackage.members()) {
for (const BlockNode &M : Loop.members()) {
const FrequencyData &HeadData = BFI.Freqs[Head.Index];
FrequencyData &Freqs = BFI.Freqs[M.Index];
Float NewFreq = Freqs.Floating * HeadData.Floating;
@ -850,7 +848,7 @@ void BlockFrequencyInfoImplBase::unwrapLoops() {
Freqs[Index].Floating = Working[Index].Mass.toFloat();
for (LoopData &Loop : Loops)
unwrapLoopPackage(*this, Loop);
unwrapLoop(*this, Loop);
}
void BlockFrequencyInfoImplBase::finalizeMetrics() {