Imported Upstream version 5.18.0.205

Former-commit-id: 7f59f7e792705db773f1caecdaa823092f4e2927

external/llvm/test/Analysis/BasicAA/2009-03-04-GEPNoalias.ll

@@ -0,0 +1,14 @@
+; RUN: opt < %s -basicaa -gvn -S | FileCheck %s
+
+declare noalias i32* @noalias()
+
+define i32 @test(i32 %x) {
+; CHECK: load i32, i32* %a
+  %a = call i32* @noalias()
+  store i32 1, i32* %a
+  %b = getelementptr i32, i32* %a, i32 %x
+  store i32 2, i32* %b
+
+  %c = load i32, i32* %a
+  ret i32 %c
+}