Make BasicAliasAnalysis a normal AliasAnalysis implementation which
does normal initialization and normal chaining. Change the default
AliasAnalysis implementation to NoAlias.

Update StandardCompileOpts.h and friends to explicitly request
BasicAliasAnalysis.

Update tests to explicitly request -basicaa.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116720 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/Analysis/BasicAA/2004-07-28-MustAliasbug.ll b/test/Analysis/BasicAA/2004-07-28-MustAliasbug.ll
index e1cfd03..56e4ed0 100644
--- a/test/Analysis/BasicAA/2004-07-28-MustAliasbug.ll
+++ b/test/Analysis/BasicAA/2004-07-28-MustAliasbug.ll
@@ -1,4 +1,4 @@
-; RUN: opt < %s -dse -S | grep {store i32 0}
+; RUN: opt < %s -basicaa -dse -S | grep {store i32 0}
 
 define void @test({i32,i32 }* %P) {
 	%Q = getelementptr {i32,i32}* %P, i32 1