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llvm-mirror/test/Transforms/JumpThreading/2012-07-19-NoSuccessorIndirectBr.ll
Richard Osborne f82086baa5 Fix assertion in jump threading (PR13405).
GetBestDestForJumpOnUndef() assumes there is at least 1 successor, which isn't
true if the block ends in an indirect branch with no successors. Fix this by
bailing out earlier in this case.

llvm-svn: 160546
2012-07-20 10:36:17 +00:00

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LLVM

; RUN: opt < %s -jump-threading
; PR 13405
; Just check that it doesn't crash / assert
define i32 @f() nounwind {
entry:
indirectbr i8* undef, []
}