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/2003-09-19-LocalArgument.ll b/test/Analysis/BasicAA/2003-09-19-LocalArgument.ll
index 637d8f0..56e3339 100644
--- a/test/Analysis/BasicAA/2003-09-19-LocalArgument.ll
+++ b/test/Analysis/BasicAA/2003-09-19-LocalArgument.ll
@@ -1,6 +1,6 @@
 ; In this test, a local alloca cannot alias an incoming argument.
 
-; RUN: opt < %s -gvn -instcombine -S | not grep sub
+; RUN: opt < %s -basicaa -gvn -instcombine -S | not grep sub
 
 define i32 @test(i32* %P) {
 	%X = alloca i32