TBAA: remove !tbaa from testing cases when they are not needed.

This will make it easier to turn on struct-path aware TBAA since the metadata
format will change.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@188944 91177308-0d34-0410-b5e6-96231b3b80d8

test/CodeGen/Hexagon/combine_ir.ll

@@ -4,7 +4,7 @@
 
 define void @word(i32* nocapture %a) nounwind {
 entry:
-  %0 = load i32* %a, align 4, !tbaa !0
+  %0 = load i32* %a, align 4
   %1 = zext i32 %0 to i64
   tail call void @bar(i64 %1) nounwind
   ret void
@@ -17,10 +17,10 @@ declare void @bar(i64)
 
 define void @halfword(i16* nocapture %a) nounwind {
 entry:
-  %0 = load i16* %a, align 2, !tbaa !3
+  %0 = load i16* %a, align 2
   %1 = zext i16 %0 to i64
   %add.ptr = getelementptr inbounds i16* %a, i32 1
-  %2 = load i16* %add.ptr, align 2, !tbaa !3
+  %2 = load i16* %add.ptr, align 2
   %3 = zext i16 %2 to i64
   %4 = shl nuw nsw i64 %3, 16
   %ins = or i64 %4, %1
@@ -33,18 +33,13 @@ entry:
 
 define void @byte(i8* nocapture %a) nounwind {
 entry:
-  %0 = load i8* %a, align 1, !tbaa !1
+  %0 = load i8* %a, align 1
   %1 = zext i8 %0 to i64
   %add.ptr = getelementptr inbounds i8* %a, i32 1
-  %2 = load i8* %add.ptr, align 1, !tbaa !1
+  %2 = load i8* %add.ptr, align 1
   %3 = zext i8 %2 to i64
   %4 = shl nuw nsw i64 %3, 8
   %ins = or i64 %4, %1
   tail call void @bar(i64 %ins) nounwind
   ret void
 }
-
-!0 = metadata !{metadata !"int", metadata !1}
-!1 = metadata !{metadata !"omnipotent char", metadata !2}
-!2 = metadata !{metadata !"Simple C/C++ TBAA"}
-!3 = metadata !{metadata !"short", metadata !1}