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/GlobalOpt/undef-init.llx b/test/Transforms/GlobalOpt/undef-init.llx
new file mode 100644
index 0000000..2f073c2
--- /dev/null
+++ b/test/Transforms/GlobalOpt/undef-init.llx
@@ -0,0 +1,18 @@
+; RUN: llvm-upgrade < %s | llvm-as | opt -globalopt | llvm-dis | not grep store
+
+%llvm.global_ctors = appending global [1 x { int, void ()* }] [ { int, void ()* } { int 65535, void ()* %_GLOBAL__I__Z3foov } ] ; <[1 x { int, void ()* }]*> [#uses=0]
+%X.0 = internal global int undef ; <int*> [#uses=2]
+
+implementation ; Functions:
+
+int %_Z3foov() {
+entry:
+ %tmp.1 = load int* %X.0 ; <int> [#uses=1]
+ ret int %tmp.1
+}
+
+internal void %_GLOBAL__I__Z3foov() {
+entry:
+ store int 1, int* %X.0
+ ret void
+}