New testcase that crashes the -lowerswitch pass
llvm-svn: 12383
diff --git a/llvm/test/Regression/Transforms/LowerSwitch/2004-03-13-SwitchIsDefaultCrash.ll b/llvm/test/Regression/Transforms/LowerSwitch/2004-03-13-SwitchIsDefaultCrash.ll
new file mode 100644
index 0000000..4c412aaa4
--- /dev/null
+++ b/llvm/test/Regression/Transforms/LowerSwitch/2004-03-13-SwitchIsDefaultCrash.ll
@@ -0,0 +1,21 @@
+; RUN: llvm-as < %s | opt -lowerswitch -disable-output
+
+void %solve() {
+entry:
+ %targetBlock = call ushort %solve_code( ) ; <ushort> [#uses=1]
+ br label %codeReplTail
+
+then.1: ; preds = %codeReplTail
+ ret void
+
+loopexit.0: ; preds = %codeReplTail
+ ret void
+
+codeReplTail: ; preds = %entry, %codeReplTail
+ switch ushort %targetBlock, label %codeReplTail [
+ ushort 0, label %loopexit.0
+ ushort 1, label %then.1
+ ]
+}
+
+declare ushort %solve_code()