It's not necessary to do rounding for alloca operations when the requested
alignment is equal to the stack alignment.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40004 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/Transforms/Reassociate/basictest2.ll b/test/Transforms/Reassociate/basictest2.ll
new file mode 100644
index 0000000..7efa3cc
--- /dev/null
+++ b/test/Transforms/Reassociate/basictest2.ll
@@ -0,0 +1,10 @@
+; With reassociation, constant folding can eliminate the +/- 30 constants.
+;
+; RUN: llvm-upgrade < %s | llvm-as | opt -reassociate -constprop -instcombine -die | llvm-dis | not grep 30
+
+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
+}