RPCS3/llvm-mirror
1
0
Fork 0
mirror of https://github.com/RPCS3/llvm-mirror.git synced 2024-11-29 14:20:29 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity

[TailDuplication] Split up NumInstrDups statistic.

Browse Source 
Summary:
Split NumInstrDups statistic into separate added/removed counts to avoid
negative stat being printed as unsigned.

Subscribers: mcrosier, llvm-commits

Differential Revision: http://reviews.llvm.org/D21335

llvm-svn: 272700
This commit is contained in:
Geoff Berry 2016-06-14 19:40:10 +00:00
parent 860346deee
commit d74b5ca4dc
1 changed files with 6 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

9
lib/CodeGen/TailDuplicator.cpp
View File

@ -33,7 +33,10 @@ using namespace llvm;
STATISTIC(NumTails, "Number of tails duplicated");
STATISTIC(NumTailDups, "Number of tail duplicated blocks");
STATISTIC(NumInstrDups, "Additional instructions due to tail duplication");
STATISTIC(NumTailDupAdded,
"Number of instructions added due to tail duplication");
STATISTIC(NumTailDupRemoved,
"Number of instructions removed due to tail duplication");
STATISTIC(NumDeadBlocks, "Number of dead blocks removed");
STATISTIC(NumAddedPHIs, "Number of phis added");
@ -145,7 +148,7 @@ bool TailDuplicator::tailDuplicateAndUpdate(MachineFunction &MF, bool IsSimple,
// If it is dead, remove it.
if (isDead) {
NumInstrDups -= MBB->size();
NumTailDupRemoved += MBB->size();
removeDeadBlock(MBB);
++NumDeadBlocks;
}
@ -805,7 +808,7 @@ bool TailDuplicator::tailDuplicate(MachineFunction &MF, bool IsSimple,
// Simplify
TII->AnalyzeBranch(*PredBB, PredTBB, PredFBB, PredCond, true);
NumInstrDups += TailBB->size() - 1; // subtract one for removed branch
NumTailDupAdded += TailBB->size() - 1; // subtract one for removed branch
// Update the CFG.
PredBB->removeSuccessor(PredBB->succ_begin());