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/Analysis/BasicAA/modref.ll b/test/Analysis/BasicAA/modref.ll
new file mode 100644
index 0000000..adf195e
--- /dev/null
+++ b/test/Analysis/BasicAA/modref.ll
@@ -0,0 +1,16 @@
+; A very rudimentary test on AliasAnalysis::getModRefInfo.
+; RUN: llvm-upgrade < %s | llvm-as | \
+; RUN: opt -print-all-alias-modref-info -aa-eval -disable-output |& \
+; RUN: not grep NoModRef
+
+int %callee() {
+ %X = alloca { int, int }
+ %Y = getelementptr { int, int }* %X, uint 0, uint 0
+ %Z = load int* %Y
+ ret int %Z
+}
+
+int %caller() {
+ %X = call int %callee()
+ ret int %X
+}