Add some simple test of reassociation
llvm-svn: 2555
diff --git a/llvm/test/Regression/Transforms/Reassociate/basictest2.ll b/llvm/test/Regression/Transforms/Reassociate/basictest2.ll
new file mode 100644
index 0000000..192b8d3
--- /dev/null
+++ b/llvm/test/Regression/Transforms/Reassociate/basictest2.ll
@@ -0,0 +1,13 @@
+; With reassociation, constant folding can eliminate the +/- 30 constants.
+;
+; RUN: if as < %s | opt -reassociate -constprop -instcombine -die | dis | grep 30
+; RUN: then exit 1
+; RUN: else exit 0
+; RUN: fi
+
+int "test"(int %reg109, int %reg1111) {
+ %reg115 = add int %reg109, -30 ; <int> [#uses=1]
+ %reg116 = add int %reg115, %reg1111 ; <int> [#uses=1]
+ %reg117 = add int %reg116, 30 ; <int> [#uses=1]
+ ret int %reg117
+}