[LLVMbugs] [Bug 3553] New: FPGrowth LLC Regression

[bugzilla-daemon at cs.uiuc.edu]

http://llvm.org/bugs/show_bug.cgi?id=3553

           Summary: FPGrowth LLC Regression
           Product: new-bugs
           Version: unspecified
          Platform: PC
        OS/Version: Linux
            Status: NEW
          Severity: normal
          Priority: P2
         Component: new bugs
        AssignedTo: unassignedbugs at nondot.org
        ReportedBy: tonic at nondot.org
                CC: llvmbugs at cs.uiuc.edu


This is a regression from 2.4 (linux x86). Reduced with bugppoint.

*** The following function is being miscompiled:  main_bb7
<cbe><gcc>You can reproduce the problem with the command line: 
  llc -f bugpoint.test.bc -o bugpoint.test.bc.s
  gcc ./bugpoint.safe.bc.cbe.c.so bugpoint.test.bc.s -o bugpoint.test.bc.exe
-Wl,-R.
  bugpoint.test.bc.exe /home/vadve/shared/benchmarks/fpgrowth/mushroom.dat
The shared object was created with:
  llc -march=c bugpoint.safe.bc -o temporary.c
  gcc -xc temporary.c -O2 -o ./bugpoint.safe.bc.cbe.c.so -fPIC -shared
-fno-strict-aliasing


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