[LLVMbugs] [Bug 3554] New: SPEC/CFP2006/447.dealII LLC Regression

[bugzilla-daemon at cs.uiuc.edu]

http://llvm.org/bugs/show_bug.cgi?id=3554

           Summary: SPEC/CFP2006/447.dealII LLC Regression
           Product: new-bugs
           Version: unspecified
          Platform: Macintosh
        OS/Version: MacOS X
            Status: NEW
          Severity: blocker
          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 (x86 Mac OS X). Reduced with bugpoint:

*** The following function is being miscompiled:  __tcf_72252_entry_2E_ce
<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.dylib bugpoint.test.bc.s -o bugpoint.test.bc.exe
  bugpoint.test.bc.exe 10
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.dylib -fPIC -shared
-fno-strict-aliasing


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