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/Transforms/ArgumentPromotion/basictest.ll b/test/Transforms/ArgumentPromotion/basictest.ll
index ac9d7bf..d3d21fc 100644
--- a/test/Transforms/ArgumentPromotion/basictest.ll
+++ b/test/Transforms/ArgumentPromotion/basictest.ll
@@ -1,4 +1,4 @@
-; RUN: opt < %s -argpromotion -mem2reg -S | not grep alloca
+; RUN: opt < %s -basicaa -argpromotion -mem2reg -S | not grep alloca
 target datalayout = "E-p:64:64:64-a0:0:8-f32:32:32-f64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-v64:64:64-v128:128:128"
 define internal i32 @test(i32* %X, i32* %Y) {
         %A = load i32* %X               ; <i32> [#uses=1]