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Fix uninitialized memory read found by MemorySanitizer: always set output parameter of ConvergingScheduler::SchedBoundary::getOtherResourceCount 

llvm-svn: 186658
This commit is contained in:
Alexey Samsonov 2013-07-19 08:55:18 +00:00
parent 03e8746f90
commit 64c391dbe4
1 changed files with 1 additions and 1 deletions
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2
llvm/lib/CodeGen/MachineScheduler.cpp
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@ -1593,6 +1593,7 @@ findMaxLatency(ArrayRef<SUnit*> ReadySUs) {
// resource index, or zero if the zone is issue limited.
unsigned ConvergingScheduler::SchedBoundary::
getOtherResourceCount(unsigned &OtherCritIdx) {
OtherCritIdx = 0;
if (!SchedModel->hasInstrSchedModel())
return 0;
@ -1600,7 +1601,6 @@ getOtherResourceCount(unsigned &OtherCritIdx) {
+ (RetiredMOps * SchedModel->getMicroOpFactor());
DEBUG(dbgs() << " " << Available.getName() << " + Remain MOps: "
<< OtherCritCount / SchedModel->getMicroOpFactor() << '\n');
OtherCritIdx = 0;
for (unsigned PIdx = 1, PEnd = SchedModel->getNumProcResourceKinds();
PIdx != PEnd; ++PIdx) {
unsigned OtherCount = getResourceCount(PIdx) + Rem->RemainingCounts[PIdx];