While working on the pool allocator, I noticed that basicaa is failing a scary

number of simple cases.  Someday when I get a chance to work on it again, this
testcase should be corrected.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9695 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/test/Analysis/BasicAA/2003-11-04-SimpleCases.ll b/test/Analysis/BasicAA/2003-11-04-SimpleCases.ll
new file mode 100644 (file)
index 0000000..2b6c7e1
--- /dev/null
+++ b/test/Analysis/BasicAA/2003-11-04-SimpleCases.ll
@@ -0,0 +1,15 @@
+; This testcase consists of alias relations which should be completely
+; resolvable by basicaa.
+
+; RUN: llvm-as < %s | opt -aa-eval -print-may-aliases 2>&1 -disable-output | not grep May:
+
+%T = type { uint, [10 x ubyte] }
+
+void %test(%T* %P) {
+  %A = getelementptr %T* %P, long 0
+  %B = getelementptr %T* %P, long 0, ubyte 0
+  %C = getelementptr %T* %P, long 0, ubyte 1
+  %D = getelementptr %T* %P, long 0, ubyte 1, long 0
+  %E = getelementptr %T* %P, long 0, ubyte 1, long 5
+  ret void
+}

diff --git a/test/Transforms/BasicAA/2003-11-04-SimpleCases.ll b/test/Transforms/BasicAA/2003-11-04-SimpleCases.ll
new file mode 100644 (file)
index 0000000..2b6c7e1
--- /dev/null
+++ b/test/Transforms/BasicAA/2003-11-04-SimpleCases.ll
@@ -0,0 +1,15 @@
+; This testcase consists of alias relations which should be completely
+; resolvable by basicaa.
+
+; RUN: llvm-as < %s | opt -aa-eval -print-may-aliases 2>&1 -disable-output | not grep May:
+
+%T = type { uint, [10 x ubyte] }
+
+void %test(%T* %P) {
+  %A = getelementptr %T* %P, long 0
+  %B = getelementptr %T* %P, long 0, ubyte 0
+  %C = getelementptr %T* %P, long 0, ubyte 1
+  %D = getelementptr %T* %P, long 0, ubyte 1, long 0
+  %E = getelementptr %T* %P, long 0, ubyte 1, long 5
+  ret void
+}