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/phi-select.llx b/test/Transforms/GlobalOpt/phi-select.llx
new file mode 100644
index 0000000..2389c0a
--- /dev/null
+++ b/test/Transforms/GlobalOpt/phi-select.llx
@@ -0,0 +1,29 @@
+; Test that PHI nodes and select instructions do not necessarily make stuff
+; non-constant.
+
+; RUN: llvm-upgrade < %s | llvm-as | opt -globalopt | llvm-dis | not grep global
+
+%X = internal global int 4
+%Y = internal global int 5
+
+int %test1(bool %C) {
+ %P = select bool %C, int* %X, int* %Y
+ %V = load int* %P
+ ret int %V
+}
+
+
+int %test2(bool %C) {
+ br bool %C, label %T, label %Cont
+T:
+ br label %Cont
+Cont:
+ %P = phi int* [%X, %0], [%Y, %T]
+ %V = load int* %P
+ ret int %V
+}
+
+
+
+
+