[LLVMbugs] [Bug 11169] New: clang hangs/takes a really long time compiling sqlite

[bugzilla-daemon at llvm.org]

http://llvm.org/bugs/show_bug.cgi?id=11169

           Summary: clang hangs/takes a really long time compiling sqlite
           Product: libraries
           Version: trunk
          Platform: PC
        OS/Version: All
            Status: NEW
          Severity: normal
          Priority: P
         Component: Miscellaneous Instrumentation passes
        AssignedTo: unassignedbugs at nondot.org
        ReportedBy: jmuizelaar at mozilla.com
                CC: llvmbugs at cs.uiuc.edu


clang version 3.0 (http://llvm.org/git/clang.git
af37061fea31f3f1d0638edb5486e8d72c701522)

It is spending time in
llvm::InstCombiner::runOnFunction(llvm::Function&)
 llvm::InstCombiner::DoOneIteration(llvm::Function&, unsigned int)
  llvm::InstVisitor<llvm::InstCombiner,
llvm::Instruction*>::visit(llvm::Instruction&)
   llvm::InstVisitor<llvm::InstCombiner,
llvm::Instruction*>::visitLoad(llvm::LoadInst&)
    llvm::InstCombiner::visitLoadInst(llvm::LoadInst&)
     etc.

The preprocessed input is at:

http://people.mozilla.org/~jmuizelaar/sqlite3.i.gz

clang -O2 sqlite3.i

on OSX x86-64

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