llvm/2012-07-19-NoSuccessorIndirectBr.ll at f5b39cd8dec1e64ce060bf5bcafc13aaf72d9d70 - llvm - Gitea: Git with a cup of tea

RPCSX/llvm

mirror of https://github.com/RPCSX/llvm.git synced 2024-11-29 06:30:39 +00:00

Richard Osborne dd2fb6c10b 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.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@160546 91177308-0d34-0410-b5e6-96231b3b80d8

2012-07-20 10:36:17 +00:00

9 lines

151 B

LLVM

Raw Blame History

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