[LLVMbugs] [Bug 22540] New: arm thumb: wrong code when compiling switch statement with many cases

[bugzilla-daemon at llvm.org]

http://llvm.org/bugs/show_bug.cgi?id=22540

            Bug ID: 22540
           Summary: arm thumb: wrong code when compiling switch statement
                    with many cases
           Product: clang
           Version: 3.6
          Hardware: PC
                OS: Linux
            Status: NEW
          Severity: normal
          Priority: P
         Component: -New Bugs
          Assignee: unassignedclangbugs at nondot.org
          Reporter: markus at oberhumer.com
                CC: llvmbugs at cs.uiuc.edu
    Classification: Unclassified

Created attachment 13838
  --> http://llvm.org/bugs/attachment.cgi?id=13838&action=edit
test.c that triggers the bug

The attached file is just a large switch statement with many cases.

It seems that wrong code is generated once the number of cases reaches a
certain limit.

  clang-3.6.0rc2 -target armv5-linux-eabi -mthumb -O0 -save-temps test.c

Please get back to me if you need more info to reproduce the problem.

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