[LLVMbugs] [Bug 2057] New: miscompilation by licm

bugzilla-daemon at cs.uiuc.edu bugzilla-daemon at cs.uiuc.edu
Mon Feb 18 06:40:06 PST 2008


           Summary: miscompilation by licm
           Product: new-bugs
           Version: unspecified
          Platform: Other
        OS/Version: Linux
            Status: NEW
          Severity: normal
          Priority: P2
         Component: new bugs
        AssignedTo: unassignedbugs at nondot.org
        ReportedBy: baldrick at free.fr
                CC: llvmbugs at cs.uiuc.edu

Created an attachment (id=1420)
 --> (http://llvm.org/bugs/attachment.cgi?id=1420)
testcase .ll

Some recent change introduced a problem with licm.

$ llvm-as testcase.ll
$ llc testcase.bc
$ gcc -o testcase testcase.s
$ ./testcase
$ opt -licm testcase.bc > badcase.bc
$ llc badcase.bc
$ gcc -o badcase badcase.s
$ ./badcase
Aborted (core dumped)

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