Rebase against precommitted tests

Author: gandhi56

llvm/test/Transforms/GlobalOpt/cleanup-pointer-root-loads.ll

@@ -24,14 +24,12 @@ define i32 @main() local_unnamed_addr {
 ; CHECK-NEXT:    call void @foo()
 ; CHECK-NEXT:    br label [[IF_END]]
 ; CHECK:       if.end:
-; CHECK-NEXT:    store ptr [[E]], ptr getelementptr inbounds ([3 x ptr], ptr @b, i64 0, i64 2), align 16
 ; CHECK-NEXT:    [[TMP1:%.*]] = load i32, ptr @a, align 4
 ; CHECK-NEXT:    [[INC:%.*]] = add nsw i32 [[TMP1]], 1
 ; CHECK-NEXT:    store i32 [[INC]], ptr @a, align 4
 ; CHECK-NEXT:    [[CMP:%.*]] = icmp slt i32 [[TMP1]], 2
 ; CHECK-NEXT:    br i1 [[CMP]], label [[FOR_BODY]], label [[FOR_END]]
 ; CHECK:       for.end:
-; CHECK-NEXT:    call void @llvm.memcpy.p0.p0.i64(ptr @b, ptr null, i64 8, i1 false)
 ; CHECK-NEXT:    ret i32 0
 ;
 entry:

llvm/test/Transforms/GlobalOpt/cleanup-pointer-root-stores.ll

@@ -6,18 +6,10 @@
 
 declare void @llvm.memcpy.p0.p0.i64(ptr noalias nocapture writeonly, ptr noalias nocapture readonly, i64, i1 immarg)
 
-;.
-; CHECK: @[[B:[a-zA-Z0-9_$"\\.-]+]] = internal unnamed_addr global ptr null
-; CHECK: @[[C:[a-zA-Z0-9_$"\\.-]+]] = internal unnamed_addr constant [2 x ptr] zeroinitializer
-;.
 define void @test() {
 ; CHECK-LABEL: @test(
-; CHECK-NEXT:    call void @llvm.memcpy.p0.p0.i64(ptr @b, ptr getelementptr inbounds ([2 x ptr], ptr @c, i64 0, i64 1), i64 8, i1 false)
 ; CHECK-NEXT:    ret void
 ;
   call void @llvm.memcpy.p0.p0.i64(ptr @b, ptr getelementptr inbounds ([2 x ptr], ptr @c, i64 0, i64 1), i64 8, i1 false)
   ret void
 }
-;.
-; CHECK: attributes #[[ATTR0:[0-9]+]] = { nocallback nofree nounwind willreturn memory(argmem: readwrite) }
-;.