fix a crash in jump threading, PR6119
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@94319 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/Transforms/JumpThreading/crash.ll b/test/Transforms/JumpThreading/crash.ll
index 361ec6c..c0ef078 100644
--- a/test/Transforms/JumpThreading/crash.ll
+++ b/test/Transforms/JumpThreading/crash.ll
@@ -234,3 +234,28 @@
return:
ret void
}
+
+; PR6119
+define i32 @test8(i32 %action) nounwind {
+entry:
+ switch i32 %action, label %lor.rhs [
+ i32 1, label %if.then
+ i32 0, label %lor.end
+ ]
+
+if.then: ; preds = %for.cond, %lor.end, %entry
+ ret i32 undef
+
+lor.rhs: ; preds = %entry
+ br label %lor.end
+
+lor.end: ; preds = %lor.rhs, %entry
+ %cmp103 = xor i1 undef, undef ; <i1> [#uses=1]
+ br i1 %cmp103, label %for.cond, label %if.then
+
+for.cond: ; preds = %for.body, %lor.end
+ br i1 undef, label %if.then, label %for.body
+
+for.body: ; preds = %for.cond
+ br label %for.cond
+}