1 files changed, 21 insertions, 0 deletions
diff --git a/test/Analysis/CFLAliasAnalysis/const-expr-gep.ll b/test/Analysis/CFLAliasAnalysis/const-expr-gep.ll
new file mode 100644
index 0000000..9ae200b
--- /dev/null
+++ b/test/Analysis/CFLAliasAnalysis/const-expr-gep.ll
@@ -0,0 +1,21 @@
+; This testcase consists of alias relations which should be completely
+; resolvable by cfl-aa, but require analysis of getelementptr constant exprs.
+; Derived from BasicAA/2003-12-11-ConstExprGEP.ll
+
+; RUN: opt < %s -cfl-aa -aa-eval -print-may-aliases -disable-output 2>&1 | FileCheck %s
+
+%T = type { i32, [10 x i8] }
+
+@G = external global %T
+
+; CHECK:     Function: test
+; CHECK-NOT:   May:
+
+define void @test() {
+  %D = getelementptr %T* @G, i64 0, i32 0
+  %E = getelementptr %T* @G, i64 0, i32 1, i64 5
+  %F = getelementptr i32* getelementptr (%T* @G, i64 0, i32 0), i64 0
+  %X = getelementptr [10 x i8]* getelementptr (%T* @G, i64 0, i32 1), i64 0, i64 5
+
+  ret void
+}