[LLVMbugs] [Bug 6111] New: ARM backend miscompiles indirect call

bugzilla-daemon at cs.uiuc.edu bugzilla-daemon at cs.uiuc.edu
Fri Jan 22 00:15:25 PST 2010


           Summary: ARM backend miscompiles indirect call
           Product: libraries
           Version: trunk
          Platform: PC
        OS/Version: Linux
            Status: NEW
          Severity: normal
          Priority: P2
         Component: Backend: ARM
        AssignedTo: unassignedbugs at nondot.org
        ReportedBy: vargaz at gmail.com
                CC: llvmbugs at cs.uiuc.edu

Created an attachment (id=4089)
 --> (http://llvm.org/bugs/attachment.cgi?id=4089)

To reproduce:

llvm-as bug.ll && llc -march=arm bug.bc && cat bug.s

The indirect call in the testcase is compiled as:

mov     lr, pc
bx      lr

which skips the call.

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