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| author | Chris Lattner <sabre@nondot.org> | 2004-03-14 03:03:59 +0000 |
|---|---|---|
| committer | Chris Lattner <sabre@nondot.org> | 2004-03-14 03:03:59 +0000 |
| commit | fc448061945ffdfc021107d758890a339778520b (patch) | |
| tree | a15e425a287d472419bddf0df180213302b7bbc5 /test/Transforms/CodeExtractor | |
| parent | 1e3cb34753a0cf6b8d99ebf3ada17c87dcebed79 (diff) | |
| download | external_llvm-fc448061945ffdfc021107d758890a339778520b.zip external_llvm-fc448061945ffdfc021107d758890a339778520b.tar.gz external_llvm-fc448061945ffdfc021107d758890a339778520b.tar.bz2 | |
New testcase that crashes the loop extractor
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12376 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/Transforms/CodeExtractor')
| -rw-r--r-- | test/Transforms/CodeExtractor/2004-03-13-LoopExtractorCrash.ll | 75 |
1 files changed, 75 insertions, 0 deletions
diff --git a/test/Transforms/CodeExtractor/2004-03-13-LoopExtractorCrash.ll b/test/Transforms/CodeExtractor/2004-03-13-LoopExtractorCrash.ll new file mode 100644 index 0000000..7e90079 --- /dev/null +++ b/test/Transforms/CodeExtractor/2004-03-13-LoopExtractorCrash.ll @@ -0,0 +1,75 @@ +; RUN: llvm-as < %s | opt -loop-extract -disable-output + +void %solve() { +entry: + br label %loopentry.0 + +loopentry.0: ; preds = %entry, %endif.0 + br bool false, label %no_exit.0, label %loopexit.0 + +no_exit.0: ; preds = %loopentry.0 + br bool false, label %then.0, label %endif.0 + +then.0: ; preds = %no_exit.0 + br bool false, label %shortcirc_done, label %shortcirc_next + +shortcirc_next: ; preds = %then.0 + br label %shortcirc_done + +shortcirc_done: ; preds = %then.0, %shortcirc_next + br bool false, label %then.1, label %endif.1 + +then.1: ; preds = %shortcirc_done + br bool false, label %cond_true, label %cond_false + +cond_true: ; preds = %then.1 + br label %cond_continue + +cond_false: ; preds = %then.1 + br label %cond_continue + +cond_continue: ; preds = %cond_true, %cond_false + br label %return + +after_ret.0: ; No predecessors! + br label %endif.1 + +endif.1: ; preds = %shortcirc_done, %after_ret.0 + br label %endif.0 + +endif.0: ; preds = %no_exit.0, %endif.1 + br label %loopentry.0 + +loopexit.0: ; preds = %loopentry.0 + br bool false, label %then.2, label %endif.2 + +then.2: ; preds = %loopexit.0 + br bool false, label %then.3, label %endif.3 + +then.3: ; preds = %then.2 + br label %return + +after_ret.1: ; No predecessors! + br label %endif.3 + +endif.3: ; preds = %then.2, %after_ret.1 + br label %endif.2 + +endif.2: ; preds = %loopexit.0, %endif.3 + br label %loopentry.1 + +loopentry.1: ; preds = %endif.2, %no_exit.1 + br bool false, label %no_exit.1, label %loopexit.1 + +no_exit.1: ; preds = %loopentry.1 + br label %loopentry.1 + +loopexit.1: ; preds = %loopentry.1 + br label %return + +after_ret.2: ; No predecessors! + br label %return + +return: ; preds = %cond_continue, %then.3, %loopexit.1, %after_ret.2 + ret void +} |