Convert test cases to new llvm.exp version of llvm_runtest and fix tests
that it found to be broken.

llvm-svn: 36009
diff --git a/llvm/test/Analysis/BasicAA/2004-07-28-MustAliasbug.llx b/llvm/test/Analysis/BasicAA/2004-07-28-MustAliasbug.llx
index f888fc0..65bc21a 100644
--- a/llvm/test/Analysis/BasicAA/2004-07-28-MustAliasbug.llx
+++ b/llvm/test/Analysis/BasicAA/2004-07-28-MustAliasbug.llx
@@ -1,4 +1,4 @@
-; RUN: llvm-upgrade < %s | llvm-as | opt -dse | llvm-dis | grep 'store i32 0'
+; RUN: llvm-upgrade < %s | llvm-as | opt -dse | llvm-dis | grep {store i32 0}
 
 void %test({int,int }* %P) {
 	%Q = getelementptr {int,int}* %P, int 1