1 files changed, 20 insertions, 0 deletions
diff --git a/test/Transforms/ScalarRepl/badarray.ll b/test/Transforms/ScalarRepl/badarray.ll
new file mode 100644
index 0000000000000..c48848630564b
--- /dev/null
+++ b/test/Transforms/ScalarRepl/badarray.ll
@@ -0,0 +1,20 @@
+; RUN: llvm-as < %s | opt -scalarrepl -instcombine | llvm-dis | not grep alloca
+; PR3466
+
+define i32 @test() {
+	%X = alloca [4 x i32]		; <[4 x i32]*> [#uses=1]
+        ; Off end of array!
+	%Y = getelementptr [4 x i32]* %X, i64 0, i64 6		; <i32*> [#uses=2]
+	store i32 0, i32* %Y
+	%Z = load i32* %Y		; <i32> [#uses=1]
+	ret i32 %Z
+}
+
+
+define i32 @test2() nounwind {
+entry:
+        %yx2.i = alloca float, align 4          ; <float*> [#uses=1]            
+        %yx26.i = bitcast float* %yx2.i to i64*         ; <i64*> [#uses=1]      
+        %0 = load i64* %yx26.i, align 8         ; <i64> [#uses=0]               
+        unreachable
+}