[LLVMbugs] [Bug 4618] New: Alias Analysis horks on file.

[bugzilla-daemon at cs.uiuc.edu]

http://llvm.org/bugs/show_bug.cgi?id=4618

           Summary: Alias Analysis horks on file.
           Product: libraries
           Version: trunk
          Platform: All
        OS/Version: All
            Status: NEW
          Severity: normal
          Priority: P2
         Component: Global Analyses
        AssignedTo: unassignedbugs at nondot.org
        ReportedBy: wendling at apple.com
                CC: llvmbugs at cs.uiuc.edu


The attached .bc file horked (in an unrelated way) when I was trying to reduce
it with bugpoint:

[Irk:llvm] opt bugpoint-reduced-simplified.bc -loop-deletion -licm -indvars
-prune-eh -o foo.bc -f
0   opt               0x003b795a llvm::sys::SetInterruptFunction(void (*)()) +
82
1   opt               0x003b7d49 llvm::sys::SetInterruptFunction(void (*)()) +
1089
2   libSystem.B.dylib 0x91bf62bb _sigtramp + 43
3   libSystem.B.dylib 0xffffffff _sigtramp + 1849728367
4   opt               0x00157c35 llvm::PATypeHolder::operator llvm::Type*()
const + 17
5   opt               0x00157c4c llvm::Value::getType() const + 20
6   opt               0x0035c61a llvm::Value::getUnderlyingObject() + 114
7   opt               0x002020cf llvm::Value::getUnderlyingObject() const + 17
8   opt               0x00201367 llvm::createBasicAliasAnalysisPass() + 7575
9   opt               0x001fb16d llvm::AliasSet::aliasesPointer(llvm::Value
const*, unsigned int, llvm::AliasAnalysis&) const + 251
10  opt               0x001fc09d
llvm::AliasSetTracker::findAliasSetForPointer(llvm::Value const*, unsigned int)
+ 109
11  opt               0x001fc4c1
llvm::AliasSetTracker::getAliasSetForPointer(llvm::Value*, unsigned int, bool*)
+ 129
12  opt               0x001ff3c4
llvm::AliasSetTracker::addPointer(llvm::Value*, unsigned int,
llvm::AliasSet::AccessType, bool&) + 44
13  opt               0x001fc6d8
llvm::AliasSetTracker::add(llvm::AliasSetTracker const&) + 346
14  opt               0x000f9a8f llvm::createLICMPass() + 8565
15  opt               0x002224cf
llvm::LPPassManager::runOnFunction(llvm::Function&) + 987
16  opt               0x00335089
llvm::FPPassManager::runOnFunction(llvm::Function&) + 295
17  opt               0x00335228
llvm::FPPassManager::runOnModule(llvm::Module&) + 84
18  opt               0x00334c9f
llvm::MPPassManager::runOnModule(llvm::Module&) + 367
19  opt               0x00334ed0 llvm::PassManagerImpl::run(llvm::Module&) +
112
20  opt               0x00334f29 llvm::PassManager::run(llvm::Module&) + 27
21  opt               0x0000db9c main + 4634
22  opt               0x00002346 start + 54
23  opt               0x00000009 start + 18446744073709542649
Stack dump:
0.      Running pass 'Function Pass Manager' on module
'bugpoint-reduced-simplified.bc'.
1.      Running pass 'Loop Pass Manager' on function '@main'
2.      Running pass 'Loop Invariant Code Motion' on basic block '%bb4'


-- 
Configure bugmail: http://llvm.org/bugs/userprefs.cgi?tab=email
------- You are receiving this mail because: -------
You are on the CC list for the bug.