diff options
Diffstat (limited to 'llvm/test/Transforms/SimplifyCFG/2004-12-10-SimplifyCFGCrash.ll')
-rw-r--r-- | llvm/test/Transforms/SimplifyCFG/2004-12-10-SimplifyCFGCrash.ll | 59 |
1 files changed, 59 insertions, 0 deletions
diff --git a/llvm/test/Transforms/SimplifyCFG/2004-12-10-SimplifyCFGCrash.ll b/llvm/test/Transforms/SimplifyCFG/2004-12-10-SimplifyCFGCrash.ll new file mode 100644 index 00000000000..44c89d67b32 --- /dev/null +++ b/llvm/test/Transforms/SimplifyCFG/2004-12-10-SimplifyCFGCrash.ll @@ -0,0 +1,59 @@ +; RUN: llvm-upgrade < %s | llvm-as | opt -simplifycfg -disable-output + +implementation ; Functions: + +void %symhash_add() { +entry: + br bool undef, label %then.0, label %UnifiedReturnBlock + +then.0: ; preds = %entry + br bool undef, label %loopentry.2, label %loopentry.1.preheader + +loopentry.1.preheader: ; preds = %then.0 + br label %loopentry.1.outer + +loopentry.1.outer: ; preds = %loopentry.1.preheader, %loopexit.1 + br label %loopentry.1 + +loopentry.1: ; preds = %loopentry.1.outer, %then.1, %then.3, %then.4, %endif.1 + br bool undef, label %loopexit.1, label %no_exit.1 + +no_exit.1: ; preds = %loopentry.1 + br bool undef, label %then.1, label %else.0 + +then.1: ; preds = %no_exit.1 + br label %loopentry.1 + +else.0: ; preds = %no_exit.1 + br bool undef, label %then.2, label %else.1 + +then.2: ; preds = %else.0 + br bool undef, label %then.3, label %endif.1 + +then.3: ; preds = %then.2 + br label %loopentry.1 + +else.1: ; preds = %else.0 + br bool undef, label %endif.1, label %then.4 + +then.4: ; preds = %else.1 + br label %loopentry.1 + +endif.1: ; preds = %then.2, %else.1 + br label %loopentry.1 + +loopexit.1: ; preds = %loopentry.1 + br bool undef, label %loopentry.1.outer, label %loopentry.2 + +loopentry.2: ; preds = %then.0, %loopexit.1, %no_exit.2 + br bool undef, label %loopexit.2, label %no_exit.2 + +no_exit.2: ; preds = %loopentry.2 + br label %loopentry.2 + +loopexit.2: ; preds = %loopentry.2 + ret void + +UnifiedReturnBlock: ; preds = %entry + ret void +} |