New testcase that crashes scalarrepl

llvm-svn: 31150

llvm/test/Regression/Transforms/ScalarRepl/2006-10-23-PointerUnionCrash.ll

@@ -0,0 +1,75 @@
+; RUN: llvm-as < %s | opt -scalarrepl -disable-output
+
+target datalayout = "e-p:32:32"
+target endian = little
+target pointersize = 32
+target triple = "i686-apple-darwin8.7.2"
+
+implementation   ; Functions:
+
+void %glgProcessColor() {
+entry:
+	%source_ptr = alloca sbyte*, align 4		; <sbyte**> [#uses=2]
+	br bool false, label %bb1357, label %cond_next583
+
+cond_next583:		; preds = %entry
+	ret void
+
+bb1357:		; preds = %entry
+	br bool false, label %bb1365, label %bb27055
+
+bb1365:		; preds = %bb1357
+	switch uint 0, label %cond_next10377 [
+		 uint 0, label %bb4679
+		 uint 1, label %bb4679
+		 uint 2, label %bb4679
+		 uint 3, label %bb4679
+		 uint 4, label %bb5115
+		 uint 5, label %bb6651
+		 uint 6, label %bb7147
+		 uint 7, label %bb8683
+		 uint 8, label %bb9131
+		 uint 9, label %bb9875
+		 uint 10, label %bb4679
+		 uint 11, label %bb4859
+		 uint 12, label %bb4679
+		 uint 16, label %bb10249
+	]
+
+bb4679:		; preds = %bb1365, %bb1365, %bb1365, %bb1365, %bb1365, %bb1365
+	ret void
+
+bb4859:		; preds = %bb1365
+	ret void
+
+bb5115:		; preds = %bb1365
+	ret void
+
+bb6651:		; preds = %bb1365
+	ret void
+
+bb7147:		; preds = %bb1365
+	ret void
+
+bb8683:		; preds = %bb1365
+	ret void
+
+bb9131:		; preds = %bb1365
+	ret void
+
+bb9875:		; preds = %bb1365
+	%source_ptr9884 = cast sbyte** %source_ptr to ubyte**		; <ubyte**> [#uses=1]
+	%tmp9885 = load ubyte** %source_ptr9884		; <ubyte*> [#uses=0]
+	ret void
+
+bb10249:		; preds = %bb1365
+	%source_ptr10257 = cast sbyte** %source_ptr to ushort**		; <ushort**> [#uses=1]
+	%tmp10258 = load ushort** %source_ptr10257		; <ushort*> [#uses=0]
+	ret void
+
+cond_next10377:		; preds = %bb1365
+	ret void
+
+bb27055:		; preds = %bb1357
+	ret void
+}