Add a CFL Alias Analysis implementation

[oota-llvm.git] / test / Analysis / CFLAliasAnalysis / simple.ll

diff --git a/test/Analysis/CFLAliasAnalysis/simple.ll b/test/Analysis/CFLAliasAnalysis/simple.ll
new file mode 100644 (file)
index 0000000..7bc455a
--- /dev/null
+++ b/test/Analysis/CFLAliasAnalysis/simple.ll
@@ -0,0 +1,18 @@
+; This testcase consists of alias relations which should be completely
+; resolvable by cfl-aa (derived from BasicAA/2003-11-04-SimpleCases.ll).
+
+; RUN: opt < %s -cfl-aa -aa-eval -print-may-aliases -disable-output 2>&1 | FileCheck %s
+
+%T = type { i32, [10 x i8] }
+
+; CHECK:     Function: test
+; CHECK-NOT:   May:
+
+define void @test(%T* %P) {
+  %A = getelementptr %T* %P, i64 0
+  %B = getelementptr %T* %P, i64 0, i32 0
+  %C = getelementptr %T* %P, i64 0, i32 1
+  %D = getelementptr %T* %P, i64 0, i32 1, i64 0
+  %E = getelementptr %T* %P, i64 0, i32 1, i64 5
+  ret void
+}