6502/llvm-6502
1
0
Fork 0
mirror of https://github.com/c64scene-ar/llvm-6502.git synced 2025-06-16 12:24:03 +00:00
Code Issues Projects Releases Wiki Activity

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

Browse Source 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@186658 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Alexey Samsonov
2013-07-19 08:55:18 +00:00
parent df5ed3f642
commit 86dc6f9a79
1 changed files with 1 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files

2
lib/CodeGen/MachineScheduler.cpp
View File

@ -1593,6 +1593,7 @@ findMaxLatency(ArrayRef<SUnit*> ReadySUs) {
// resource index, or zero if the zone is issue limited. // resource index, or zero if the zone is issue limited.
unsigned ConvergingScheduler::SchedBoundary:: unsigned ConvergingScheduler::SchedBoundary::
getOtherResourceCount(unsigned &OtherCritIdx) { getOtherResourceCount(unsigned &OtherCritIdx) {
OtherCritIdx = 0;
if (!SchedModel->hasInstrSchedModel()) if (!SchedModel->hasInstrSchedModel())
return 0; return 0;
@ -1600,7 +1601,6 @@ getOtherResourceCount(unsigned &OtherCritIdx) {
+ (RetiredMOps * SchedModel->getMicroOpFactor()); + (RetiredMOps * SchedModel->getMicroOpFactor());
DEBUG(dbgs() << " " << Available.getName() << " + Remain MOps: " DEBUG(dbgs() << " " << Available.getName() << " + Remain MOps: "
<< OtherCritCount / SchedModel->getMicroOpFactor() << '\n'); << OtherCritCount / SchedModel->getMicroOpFactor() << '\n');
OtherCritIdx = 0;
for (unsigned PIdx = 1, PEnd = SchedModel->getNumProcResourceKinds(); for (unsigned PIdx = 1, PEnd = SchedModel->getNumProcResourceKinds();
PIdx != PEnd; ++PIdx) { PIdx != PEnd; ++PIdx) {
unsigned OtherCount = getResourceCount(PIdx) + Rem->RemainingCounts[PIdx]; unsigned OtherCount = getResourceCount(PIdx) + Rem->RemainingCounts[PIdx];