New testcases

llvm-svn: 4464

1 files changed, 18 insertions, 0 deletions

diff --git a/llvm/test/Regression/Transforms/DSAnalysis/arraymerge.ll b/llvm/test/Regression/Transforms/DSAnalysis/arraymerge.ll
new file mode 100644
index 00000000000..2d0a577bc40
--- /dev/null
+++ b/llvm/test/Regression/Transforms/DSAnalysis/arraymerge.ll
@@ -0,0 +1,18 @@
+; This testcase is used to make sure that the outer element of arrays are 
+; folded completely away if possible.  This is a very common case, so it should
+; be efficient.
+;
+implementation
+
+sbyte* %merge1([100 x sbyte] *%A, long %N) {
+	%P = getelementptr [100 x sbyte] *%A, long 0, long %N
+	ret sbyte* %P
+}
+
+sbyte* %merge2([100 x sbyte] *%A, long %N) {
+        ; The graph for this example should end up exactly the same as for merge1
+        %P1 = getelementptr [100 x sbyte] *%A, long 0, long 0
+	%P2 = getelementptr sbyte* %P1, long %N
+	ret sbyte* %P2
+}
+