[RS4GC] Clamp UseDeoptBundles to true and update tests

The full diff for the test directory may be hard to read because of the
filename clash; so here's all that happened as far as the tests are
concerned:

```
cd test/Transforms/RewriteStatepointsForGC
git rm *ll
git mv deopt-bundles/* ./
rmdir deopt-bundles
find . -name '*.ll' | xargs gsed -i 's/-rs4gc-use-deopt-bundles //g'
```

llvm-svn: 259129
diff --git a/llvm/test/Transforms/RewriteStatepointsForGC/base-pointers-8.ll b/llvm/test/Transforms/RewriteStatepointsForGC/base-pointers-8.ll
index e5ef42d..2f7fcd9 100644
--- a/llvm/test/Transforms/RewriteStatepointsForGC/base-pointers-8.ll
+++ b/llvm/test/Transforms/RewriteStatepointsForGC/base-pointers-8.ll
@@ -1,4 +1,4 @@
-; RUN: opt %s -rewrite-statepoints-for-gc -spp-print-base-pointers -S 2>&1 | FileCheck %s
+; RUN: opt < %s -rewrite-statepoints-for-gc -spp-print-base-pointers -S 2>&1 | FileCheck %s
 
 ; CHECK: derived %next_element_ptr base %array_obj
 
@@ -10,29 +10,28 @@
   %array_elems = bitcast i32 addrspace(1)* %array_len_pointer.i32 to i64 addrspace(1)* addrspace(1)*
   br label %loop_check
 
-loop_check:
+loop_check:                                       ; preds = %loop_back, %entry
   %index = phi i32 [ 0, %entry ], [ %next_index, %loop_back ]
   %current_element_ptr = phi i64 addrspace(1)* addrspace(1)* [ %array_elems, %entry ], [ %next_element_ptr, %loop_back ]
   %index_lt = icmp ult i32 %index, %array_len
   br i1 %index_lt, label %check_for_null, label %not_found
 
-check_for_null:
+check_for_null:                                   ; preds = %loop_check
   %current_element = load i64 addrspace(1)*, i64 addrspace(1)* addrspace(1)* %current_element_ptr
   %is_null = icmp eq i64 addrspace(1)* %current_element, null
   br i1 %is_null, label %found, label %loop_back
 
-loop_back:
+loop_back:                                        ; preds = %check_for_null
   %next_element_ptr = getelementptr i64 addrspace(1)*, i64 addrspace(1)* addrspace(1)* %current_element_ptr, i32 1
   %next_index = add i32 %index, 1
-  %safepoint_token = call token (i64, i32, void ()*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_isVoidf(i64 0, i32 0, void ()* @do_safepoint, i32 0, i32 0, i32 0, i32 5, i32 0, i32 -1, i32 0, i32 0, i32 0)
+  call void @do_safepoint() [ "deopt"(i32 0, i32 -1, i32 0, i32 0, i32 0) ]
   br label %loop_check
 
-not_found:
+not_found:                                        ; preds = %loop_check
   ret i32 -1
 
-found:
+found:                                            ; preds = %check_for_null
   ret i32 %index
 }
 
 declare void @do_safepoint()
-declare token @llvm.experimental.gc.statepoint.p0f_isVoidf(i64, i32, void ()*, i32, i32, ...)
\ No newline at end of file