[gc.statepoint] Change gc.statepoint intrinsic's return type to token type instead of i32 type

Summary: This patch changes gc.statepoint intrinsic's return type to token type instead of i32 type. Using token types could prevent LLVM to merge different gc.statepoint nodes into PHI nodes and cause further problems with gc relocations. The patch also changes the way on how gc.relocate and gc.result look for their corresponding gc.statepoint on unwind path. The current implementation uses the selector value extracted from a { i8*, i32 } landingpad as a hook to find the gc.statepoint, while the patch directly uses a token type landingpad (http://reviews.llvm.org/D15405) to find the gc.statepoint. 

Reviewers: sanjoy, JosephTremoulet, pgavlin, igor-laevsky, mjacob

Subscribers: reames, mjacob, sanjoy, llvm-commits

Differential Revision: http://reviews.llvm.org/D15662

llvm-svn: 256443
diff --git a/llvm/test/Transforms/RewriteStatepointsForGC/base-pointers-1.ll b/llvm/test/Transforms/RewriteStatepointsForGC/base-pointers-1.ll
index 8c360cd..3fd7fd9 100644
--- a/llvm/test/Transforms/RewriteStatepointsForGC/base-pointers-1.ll
+++ b/llvm/test/Transforms/RewriteStatepointsForGC/base-pointers-1.ll
@@ -20,9 +20,9 @@
 ; CHECK-LABEL: merge:
 ; CHECK:   %merged_value.base = phi i64 addrspace(1)* [ %base_obj_x, %here ], [ %base_obj_y, %there ]
   %merged_value = phi i64 addrspace(1)* [ %x, %here ], [ %y, %there ]
-  %safepoint_token = call i32 (i64, i32, void ()*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_isVoidf(i64 0, i32 0, void ()* @site_for_call_safpeoint, i32 0, i32 0, i32 0, i32 5, i32 0, i32 -1, i32 0, i32 0, i32 0)
+  %safepoint_token = call token (i64, i32, void ()*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_isVoidf(i64 0, i32 0, void ()* @site_for_call_safpeoint, i32 0, i32 0, i32 0, i32 5, i32 0, i32 -1, i32 0, i32 0, i32 0)
   ret i64 addrspace(1)* %merged_value
 }
 
 declare void @foo()
-declare i32 @llvm.experimental.gc.statepoint.p0f_isVoidf(i64, i32, void ()*, i32, i32, ...)
+declare token @llvm.experimental.gc.statepoint.p0f_isVoidf(i64, i32, void ()*, i32, i32, ...)
diff --git a/llvm/test/Transforms/RewriteStatepointsForGC/base-pointers-10.ll b/llvm/test/Transforms/RewriteStatepointsForGC/base-pointers-10.ll
index 61574e5..19f1423 100644
--- a/llvm/test/Transforms/RewriteStatepointsForGC/base-pointers-10.ll
+++ b/llvm/test/Transforms/RewriteStatepointsForGC/base-pointers-10.ll
@@ -31,8 +31,8 @@
 
 merge:
   %next = phi i64 addrspace(1)* [ %next_x, %true ], [ %next_y, %false ]
-  %safepoint_token = call i32 (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)
+  %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)
   br label %loop
 }
 
-declare i32 @llvm.experimental.gc.statepoint.p0f_isVoidf(i64, i32, void ()*, i32, i32, ...)
+declare token @llvm.experimental.gc.statepoint.p0f_isVoidf(i64, i32, void ()*, i32, i32, ...)
diff --git a/llvm/test/Transforms/RewriteStatepointsForGC/base-pointers-11.ll b/llvm/test/Transforms/RewriteStatepointsForGC/base-pointers-11.ll
index 2a7a744..a28c925 100644
--- a/llvm/test/Transforms/RewriteStatepointsForGC/base-pointers-11.ll
+++ b/llvm/test/Transforms/RewriteStatepointsForGC/base-pointers-11.ll
@@ -19,8 +19,8 @@
 ; CHECK-DAG:  [ %next.relocated.casted, %loop ]
   %current = phi i64 addrspace(1)* [ %obj, %entry ], [ %next, %loop ]
   %next = getelementptr i64, i64 addrspace(1)* %current, i32 1
-  %safepoint_token = call i32 (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)
+  %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)
   br label %loop
 }
 
-declare i32 @llvm.experimental.gc.statepoint.p0f_isVoidf(i64, i32, void ()*, i32, i32, ...)
\ No newline at end of file
+declare token @llvm.experimental.gc.statepoint.p0f_isVoidf(i64, i32, void ()*, i32, i32, ...)
\ No newline at end of file
diff --git a/llvm/test/Transforms/RewriteStatepointsForGC/base-pointers-2.ll b/llvm/test/Transforms/RewriteStatepointsForGC/base-pointers-2.ll
index c2877d8..802ce5d 100644
--- a/llvm/test/Transforms/RewriteStatepointsForGC/base-pointers-2.ll
+++ b/llvm/test/Transforms/RewriteStatepointsForGC/base-pointers-2.ll
@@ -13,9 +13,9 @@
 
 merge:
   %merged_value = phi i64 addrspace(1)* [ %base_obj, %entry ], [ %derived_obj, %there ]
-  %safepoint_token = call i32 (i64, i32, void ()*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_isVoidf(i64 0, i32 0, void ()* @foo, i32 0, i32 0, i32 0, i32 5, i32 0, i32 -1, i32 0, i32 0, i32 0)
+  %safepoint_token = call token (i64, i32, void ()*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_isVoidf(i64 0, i32 0, void ()* @foo, i32 0, i32 0, i32 0, i32 5, i32 0, i32 -1, i32 0, i32 0, i32 0)
   ret i64 addrspace(1)* %merged_value
 }
 
 declare void @foo()
-declare i32 @llvm.experimental.gc.statepoint.p0f_isVoidf(i64, i32, void ()*, i32, i32, ...)
\ No newline at end of file
+declare token @llvm.experimental.gc.statepoint.p0f_isVoidf(i64, i32, void ()*, i32, i32, ...)
\ No newline at end of file
diff --git a/llvm/test/Transforms/RewriteStatepointsForGC/base-pointers-3.ll b/llvm/test/Transforms/RewriteStatepointsForGC/base-pointers-3.ll
index f72201b..e0035d3 100644
--- a/llvm/test/Transforms/RewriteStatepointsForGC/base-pointers-3.ll
+++ b/llvm/test/Transforms/RewriteStatepointsForGC/base-pointers-3.ll
@@ -12,9 +12,9 @@
   %current.i32 = bitcast i64 addrspace(1)* %current to i32 addrspace(1)*
   %next.i32 = getelementptr i32, i32 addrspace(1)* %current.i32, i32 1
   %next.i64 = bitcast i32 addrspace(1)* %next.i32 to i64 addrspace(1)*
-  %safepoint_token = call i32 (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)
+  %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)
   br label %loop
 }
 
 declare void @do_safepoint()
-declare i32 @llvm.experimental.gc.statepoint.p0f_isVoidf(i64, i32, void ()*, i32, i32, ...)
\ No newline at end of file
+declare token @llvm.experimental.gc.statepoint.p0f_isVoidf(i64, i32, void ()*, i32, i32, ...)
\ No newline at end of file
diff --git a/llvm/test/Transforms/RewriteStatepointsForGC/base-pointers-4.ll b/llvm/test/Transforms/RewriteStatepointsForGC/base-pointers-4.ll
index 9faaefb..4e0bb14 100644
--- a/llvm/test/Transforms/RewriteStatepointsForGC/base-pointers-4.ll
+++ b/llvm/test/Transforms/RewriteStatepointsForGC/base-pointers-4.ll
@@ -13,10 +13,10 @@
 
 loop:
 ; CHECK: loop:
-; CHECK:  %safepoint_token1 = call i32 (i64, i32, i64 addrspace(1)* ()*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_p1i64f(i64 0, i32 0, i64 addrspace(1)* ()* @generate_obj, i32 0, i32 0, i32 0, i32 5, i32 0, i32 -1, i32 0, i32 0, i3
+; CHECK:  %safepoint_token1 = call token (i64, i32, i64 addrspace(1)* ()*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_p1i64f(i64 0, i32 0, i64 addrspace(1)* ()* @generate_obj, i32 0, i32 0, i32 0, i32 5, i32 0, i32 -1, i32 0, i32 0, i3
 ; CHECK-NEXT:  %obj2 = call i64 addrspace(1)* @llvm.experimental.gc.result
-  %safepoint_token1 = call i32 (i64, i32, i64 addrspace(1)* ()*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_p1i64f(i64 0, i32 0, i64 addrspace(1)* ()* @generate_obj, i32 0, i32 0, i32 0, i32 5, i32 0, i32 -1, i32 0, i32 0, i32 0)
-  %obj2 = call i64 addrspace(1)* @llvm.experimental.gc.result.p1i64(i32 %safepoint_token1)
+  %safepoint_token1 = call token (i64, i32, i64 addrspace(1)* ()*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_p1i64f(i64 0, i32 0, i64 addrspace(1)* ()* @generate_obj, i32 0, i32 0, i32 0, i32 5, i32 0, i32 -1, i32 0, i32 0, i32 0)
+  %obj2 = call i64 addrspace(1)* @llvm.experimental.gc.result.p1i64(token %safepoint_token1)
   switch i32 %condition, label %dest_a [
     i32 0, label %dest_b
     i32 1, label %dest_c
@@ -36,17 +36,17 @@
 ; CHECK:  %obj_to_consume = phi i64 addrspace(1)* [ %obj2, %dest_a ], [ null, %dest_b ], [ null, %dest_c ]
 
   %obj_to_consume = phi i64 addrspace(1)* [ %obj2, %dest_a ], [ null, %dest_b ], [ null, %dest_c ]
-  %safepoint_token3 = call i32 (i64, i32, void (i64 addrspace(1)*)*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_isVoidp1i64f(i64 0, i32 0, void (i64 addrspace(1)*)* @consume_obj, i32 1, i32 0, i64 addrspace(1)* %obj_to_consume, i32 0, i32 5, i32 0, i32 -1, i32 0, i32 0, i32 0)
+  %safepoint_token3 = call token (i64, i32, void (i64 addrspace(1)*)*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_isVoidp1i64f(i64 0, i32 0, void (i64 addrspace(1)*)* @consume_obj, i32 1, i32 0, i64 addrspace(1)* %obj_to_consume, i32 0, i32 5, i32 0, i32 -1, i32 0, i32 0, i32 0)
   br label %merge.split
 
 merge.split:                                      ; preds = %merge
-  %safepoint_token = call i32 (i64, i32, void ()*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_isVoidf(i64 0, i32 0, void ()* @foo, i32 0, i32 0, i32 0, i32 5, i32 0, i32 -1, i32 0, i32 0, i32 0)
+  %safepoint_token = call token (i64, i32, void ()*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_isVoidf(i64 0, i32 0, void ()* @foo, i32 0, i32 0, i32 0, i32 5, i32 0, i32 -1, i32 0, i32 0, i32 0)
   br label %loop
 }
 
 
 ; Function Attrs: nounwind
-declare i64 addrspace(1)* @llvm.experimental.gc.result.p1i64(i32) #0
-declare i32 @llvm.experimental.gc.statepoint.p0f_isVoidf(i64, i32, void ()*, i32, i32, ...)
-declare i32 @llvm.experimental.gc.statepoint.p0f_p1i64f(i64, i32, i64 addrspace(1)* ()*, i32, i32, ...)
-declare i32 @llvm.experimental.gc.statepoint.p0f_isVoidp1i64f(i64, i32, void (i64 addrspace(1)*)*, i32, i32, ...)
+declare i64 addrspace(1)* @llvm.experimental.gc.result.p1i64(token) #0
+declare token @llvm.experimental.gc.statepoint.p0f_isVoidf(i64, i32, void ()*, i32, i32, ...)
+declare token @llvm.experimental.gc.statepoint.p0f_p1i64f(i64, i32, i64 addrspace(1)* ()*, i32, i32, ...)
+declare token @llvm.experimental.gc.statepoint.p0f_isVoidp1i64f(i64, i32, void (i64 addrspace(1)*)*, i32, i32, ...)
diff --git a/llvm/test/Transforms/RewriteStatepointsForGC/base-pointers-5.ll b/llvm/test/Transforms/RewriteStatepointsForGC/base-pointers-5.ll
index a34e4cb..c5acd29 100644
--- a/llvm/test/Transforms/RewriteStatepointsForGC/base-pointers-5.ll
+++ b/llvm/test/Transforms/RewriteStatepointsForGC/base-pointers-5.ll
@@ -23,8 +23,8 @@
 ; CHECK:  %merged_value.base = phi i64 addrspace(1)* [ %base_obj_x, %bump ], [ %base_obj_y, %there ]
 ; CHECK-NEXT:  %merged_value = phi i64 addrspace(1)* [ %base_obj_x, %bump ], [ %y, %there ]  
   %merged_value = phi i64 addrspace(1)* [ %base_obj_x, %bump ], [ %y, %there ]
-  %safepoint_token = call i32 (i64, i32, void ()*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_isVoidf(i64 0, i32 0, void ()* @foo, i32 0, i32 0, i32 0, i32 5, i32 0, i32 -1, i32 0, i32 0, i32 0)
+  %safepoint_token = call token (i64, i32, void ()*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_isVoidf(i64 0, i32 0, void ()* @foo, i32 0, i32 0, i32 0, i32 5, i32 0, i32 -1, i32 0, i32 0, i32 0)
   ret i64 addrspace(1)* %merged_value
 }
 
-declare i32 @llvm.experimental.gc.statepoint.p0f_isVoidf(i64, i32, void ()*, i32, i32, ...)
+declare token @llvm.experimental.gc.statepoint.p0f_isVoidf(i64, i32, void ()*, i32, i32, ...)
diff --git a/llvm/test/Transforms/RewriteStatepointsForGC/base-pointers-6.ll b/llvm/test/Transforms/RewriteStatepointsForGC/base-pointers-6.ll
index ace2df2..95a4284 100644
--- a/llvm/test/Transforms/RewriteStatepointsForGC/base-pointers-6.ll
+++ b/llvm/test/Transforms/RewriteStatepointsForGC/base-pointers-6.ll
@@ -33,9 +33,9 @@
 ; CHECK:  %merged_value.base = phi i64 addrspace(1)* [ %base_obj_x, %merge_here ], [ %base_obj_y, %there ]
 ; CHECK-NEXT:  %merged_value = phi i64 addrspace(1)* [ %x, %merge_here ], [ %y, %there ]  
   %merged_value = phi i64 addrspace(1)* [ %x, %merge_here ], [ %y, %there ]
-  %safepoint_token = call i32 (i64, i32, void ()*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_isVoidf(i64 0, i32 0, void ()* @site_for_call_safpeoint, i32 0, i32 0, i32 0, i32 5, i32 0, i32 -1, i32 0, i32 0, i32 0)
+  %safepoint_token = call token (i64, i32, void ()*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_isVoidf(i64 0, i32 0, void ()* @site_for_call_safpeoint, i32 0, i32 0, i32 0, i32 5, i32 0, i32 -1, i32 0, i32 0, i32 0)
   ret i64 addrspace(1)* %merged_value
 }
 
 declare void @do_safepoint()
-declare i32 @llvm.experimental.gc.statepoint.p0f_isVoidf(i64, i32, void ()*, i32, i32, ...)
+declare token @llvm.experimental.gc.statepoint.p0f_isVoidf(i64, i32, void ()*, i32, i32, ...)
diff --git a/llvm/test/Transforms/RewriteStatepointsForGC/base-pointers-7.ll b/llvm/test/Transforms/RewriteStatepointsForGC/base-pointers-7.ll
index c944f34..49cf20e 100644
--- a/llvm/test/Transforms/RewriteStatepointsForGC/base-pointers-7.ll
+++ b/llvm/test/Transforms/RewriteStatepointsForGC/base-pointers-7.ll
@@ -44,9 +44,9 @@
 ; CHECK:  %merged_value = phi i64 addrspace(1)* [ %x, %merge_here ], [ %y, %there ]  
   %merged_value = phi i64 addrspace(1)* [ %x, %merge_here ], [ %y, %there ]
 
-  %safepoint_token = call i32 (i64, i32, void ()*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_isVoidf(i64 0, i32 0, void ()* @site_for_call_safpeoint, i32 0, i32 0, i32 0, i32 5, i32 0, i32 -1, i32 0, i32 0, i32 0)
+  %safepoint_token = call token (i64, i32, void ()*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_isVoidf(i64 0, i32 0, void ()* @site_for_call_safpeoint, i32 0, i32 0, i32 0, i32 5, i32 0, i32 -1, i32 0, i32 0, i32 0)
   ret i64 addrspace(1)* %merged_value
 }
 
 declare void @do_safepoint()
-declare i32 @llvm.experimental.gc.statepoint.p0f_isVoidf(i64, i32, void ()*, i32, i32, ...)
+declare token @llvm.experimental.gc.statepoint.p0f_isVoidf(i64, i32, void ()*, i32, i32, ...)
diff --git a/llvm/test/Transforms/RewriteStatepointsForGC/base-pointers-8.ll b/llvm/test/Transforms/RewriteStatepointsForGC/base-pointers-8.ll
index b89be7d..e5ef42d 100644
--- a/llvm/test/Transforms/RewriteStatepointsForGC/base-pointers-8.ll
+++ b/llvm/test/Transforms/RewriteStatepointsForGC/base-pointers-8.ll
@@ -24,7 +24,7 @@
 loop_back:
   %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 i32 (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)
+  %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)
   br label %loop_check
 
 not_found:
@@ -35,4 +35,4 @@
 }
 
 declare void @do_safepoint()
-declare i32 @llvm.experimental.gc.statepoint.p0f_isVoidf(i64, i32, void ()*, i32, i32, ...)
\ No newline at end of file
+declare token @llvm.experimental.gc.statepoint.p0f_isVoidf(i64, i32, void ()*, i32, i32, ...)
\ No newline at end of file
diff --git a/llvm/test/Transforms/RewriteStatepointsForGC/base-pointers-9.ll b/llvm/test/Transforms/RewriteStatepointsForGC/base-pointers-9.ll
index 848633b..946d89a 100644
--- a/llvm/test/Transforms/RewriteStatepointsForGC/base-pointers-9.ll
+++ b/llvm/test/Transforms/RewriteStatepointsForGC/base-pointers-9.ll
@@ -13,9 +13,9 @@
   %condition = call i1 @runtime_value()
   %maybe_next = getelementptr i64, i64 addrspace(1)* %current, i32 1
   %next = select i1 %condition, i64 addrspace(1)* %maybe_next, i64 addrspace(1)* %current
-  %safepoint_token = call i32 (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)
+  %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)
   br label %loop
 }
 
 declare void @do_safepoint()
-declare i32 @llvm.experimental.gc.statepoint.p0f_isVoidf(i64, i32, void ()*, i32, i32, ...)
\ No newline at end of file
+declare token @llvm.experimental.gc.statepoint.p0f_isVoidf(i64, i32, void ()*, i32, i32, ...)
\ No newline at end of file
diff --git a/llvm/test/Transforms/RewriteStatepointsForGC/base-pointers.ll b/llvm/test/Transforms/RewriteStatepointsForGC/base-pointers.ll
index 36ede46..cd0473a 100644
--- a/llvm/test/Transforms/RewriteStatepointsForGC/base-pointers.ll
+++ b/llvm/test/Transforms/RewriteStatepointsForGC/base-pointers.ll
@@ -16,7 +16,7 @@
 ; CHECK-DAG: [ %obj.relocated.casted, %loop ]
 ; CHECK-DAG: [ %obj, %entry ]
   call void @use_obj(i64 addrspace(1)* %obj)
-  %safepoint_token = call i32 (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)
+  %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)
   br label %loop
 }
 
@@ -57,7 +57,7 @@
 ; CHECK: merge:
 ; CHECK-NEXT: %value.base = phi i64 addrspace(1)* [ [[CAST_L]], %left ], [ [[CAST_L]], %left ], [ [[CAST_L]], %left ], [ [[CAST_R]], %right ], !is_base_value !0
   %value = phi i64 addrspace(1)* [ %a.cast, %left], [ %a.cast, %left], [ %a.cast, %left], [ %b.cast, %right]
-  %safepoint_token = call i32 (i64, i32, void (i64 addrspace(1)*)*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_isVoidp1i64f(i64 0, i32 0, void (i64 addrspace(1)*)* @parse_point, i32 1, i32 0, i64 addrspace(1)* %value, i32 0, i32 5, i32 0, i32 0, i32 0, i32 0, i32 0)
+  %safepoint_token = call token (i64, i32, void (i64 addrspace(1)*)*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_isVoidp1i64f(i64 0, i32 0, void (i64 addrspace(1)*)* @parse_point, i32 1, i32 0, i64 addrspace(1)* %value, i32 0, i32 5, i32 0, i32 0, i32 0, i32 0, i32 0)
 
   ret i64 addrspace(1)* %value
 }
@@ -90,7 +90,7 @@
   %nexta = getelementptr i64, i64 addrspace(1)* %current, i32 1
   %next = select i1 %cnd, i64 addrspace(1)* %nexta, i64 addrspace(1)* %base_arg2
   %extra2 = select i1 %cnd, i64 addrspace(1)* %nexta, i64 addrspace(1)* %base_arg2
-  %safepoint_token = call i32 (i64, i32, void ()*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_isVoidf(i64 0, i32 0, void ()* @foo, i32 0, i32 0, i32 0, i32 5, i32 0, i32 -1, i32 0, i32 0, i32 0)
+  %safepoint_token = call token (i64, i32, void ()*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_isVoidf(i64 0, i32 0, void ()* @foo, i32 0, i32 0, i32 0, i32 5, i32 0, i32 -1, i32 0, i32 0, i32 0)
   br label %loop
 }
 
@@ -107,7 +107,7 @@
 ; CHECK-NEXT: %bdv = phi
 ; CHECK-NEXT: gc.statepoint
   %bdv = phi i64 addrspace(1)* [ %obj, %entry ], [ %obj2, %taken ]
-  %safepoint_token = call i32 (i64, i32, void ()*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_isVoidf(i64 0, i32 0, void ()* @foo, i32 0, i32 0, i32 0, i32 5, i32 0, i32 -1, i32 0, i32 0, i32 0)
+  %safepoint_token = call token (i64, i32, void ()*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_isVoidf(i64 0, i32 0, void ()* @foo, i32 0, i32 0, i32 0, i32 5, i32 0, i32 -1, i32 0, i32 0, i32 0)
   ret i64 addrspace(1)* %bdv
 }
 
@@ -124,7 +124,7 @@
 ; CHECK-NEXT: %bdv = phi
 ; CHECK-NEXT: gc.statepoint
   %bdv = phi i64 addrspace(1)* [ %obj, %entry ], [ %obj, %taken ]
-  %safepoint_token = call i32 (i64, i32, void ()*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_isVoidf(i64 0, i32 0, void ()* @foo, i32 0, i32 0, i32 0, i32 5, i32 0, i32 -1, i32 0, i32 0, i32 0)
+  %safepoint_token = call token (i64, i32, void ()*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_isVoidf(i64 0, i32 0, void ()* @foo, i32 0, i32 0, i32 0, i32 5, i32 0, i32 -1, i32 0, i32 0, i32 0)
   ret i64 addrspace(1)* %bdv
 }
 
@@ -141,11 +141,11 @@
   %bdv = phi i64 addrspace(1)* [ %obj, %entry ], [ %obj2, %merge ]
   br i1 %cnd, label %merge, label %next
 next:
-  %safepoint_token = call i32 (i64, i32, void ()*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_isVoidf(i64 0, i32 0, void ()* @foo, i32 0, i32 0, i32 0, i32 5, i32 0, i32 -1, i32 0, i32 0, i32 0)
+  %safepoint_token = call token (i64, i32, void ()*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_isVoidf(i64 0, i32 0, void ()* @foo, i32 0, i32 0, i32 0, i32 5, i32 0, i32 -1, i32 0, i32 0, i32 0)
   ret i64 addrspace(1)* %bdv
 }
 
 
 declare void @foo()
-declare i32 @llvm.experimental.gc.statepoint.p0f_isVoidf(i64, i32, void ()*, i32, i32, ...)
-declare i32 @llvm.experimental.gc.statepoint.p0f_isVoidp1i64f(i64, i32, void (i64 addrspace(1)*)*, i32, i32, ...)
+declare token @llvm.experimental.gc.statepoint.p0f_isVoidf(i64, i32, void ()*, i32, i32, ...)
+declare token @llvm.experimental.gc.statepoint.p0f_isVoidp1i64f(i64, i32, void (i64 addrspace(1)*)*, i32, i32, ...)
diff --git a/llvm/test/Transforms/RewriteStatepointsForGC/base-vector.ll b/llvm/test/Transforms/RewriteStatepointsForGC/base-vector.ll
index 752e495..6084efe 100644
--- a/llvm/test/Transforms/RewriteStatepointsForGC/base-vector.ll
+++ b/llvm/test/Transforms/RewriteStatepointsForGC/base-vector.ll
@@ -13,7 +13,7 @@
 ; be to reuse the existing obj as a base since it is actually a base pointer.
 entry:
   %obj = extractelement <2 x i64 addrspace(1)*> %vec, i32 %idx
-  %safepoint_token = call i32 (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 0)
+  %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 0)
 
   ret i64 addrspace(1)* %obj
 }
@@ -45,7 +45,7 @@
 ; CHECK: gc.relocate
 ; CHECK-DAG: ; (%obj, %obj)
   %obj = phi i64 addrspace(1)* [%obj0, %taken2], [%obj1, %untaken2]
-  %safepoint_token = call i32 (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 0)
+  %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 0)
   ret i64 addrspace(1)* %obj
 }
 
@@ -60,7 +60,7 @@
 ; CHECK: statepoint
 ; CHECK: gc.relocate
 ; CHECK-DAG: (%obj, %obj)
-   %safepoint_token = call i32 (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 0)
+   %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 0)
   ret i64 addrspace(1)* %obj
 }
 define i64 addrspace(1)* @test4(i64 addrspace(1)* %ptr) 
@@ -76,7 +76,7 @@
 ; CHECK-DAG: ; (%ptr, %obj)
 ; CHECK: gc.relocate
 ; CHECK-DAG: ; (%ptr, %ptr)
-   %safepoint_token = call i32 (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 0)
+   %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 0)
   ret i64 addrspace(1)* %obj
 }
 
@@ -93,7 +93,7 @@
   %gep = getelementptr i64, i64 addrspace(1)* %obj, i64 1
   %vec = insertelement <2 x i64 addrspace(1)*> undef, i64 addrspace(1)* %gep, i32 0
   %bdv = extractelement <2 x i64 addrspace(1)*> %vec, i32 0
-  %safepoint_token = call i32 (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)
+  %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 @use(i64 addrspace(1)* %bdv)
   ret void
 }
@@ -114,7 +114,7 @@
   %gep = getelementptr i64, i64 addrspace(1)* %obj, i64 1
   %vec = insertelement <2 x i64 addrspace(1)*> undef, i64 addrspace(1)* %gep, i32 0
   %bdv = extractelement <2 x i64 addrspace(1)*> %vec, i64 %idx
-  %safepoint_token = call i32 (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)
+  %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 @use(i64 addrspace(1)* %bdv)
   ret void
 }
@@ -157,11 +157,11 @@
   %objb = phi i64 addrspace(1)* [ %obj, %next1 ], [ %bdv, %merge ]
   br i1 %cnd, label %merge, label %next
 next:
-  %safepoint_token = call i32 (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)
+  %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)
   ret i64 addrspace(1)* %objb
 }
 
 
 declare void @do_safepoint()
 
-declare i32 @llvm.experimental.gc.statepoint.p0f_isVoidf(i64, i32, void ()*, i32, i32, ...)
+declare token @llvm.experimental.gc.statepoint.p0f_isVoidf(i64, i32, void ()*, i32, i32, ...)
diff --git a/llvm/test/Transforms/RewriteStatepointsForGC/basics.ll b/llvm/test/Transforms/RewriteStatepointsForGC/basics.ll
index 2a61924..48f4643 100644
--- a/llvm/test/Transforms/RewriteStatepointsForGC/basics.ll
+++ b/llvm/test/Transforms/RewriteStatepointsForGC/basics.ll
@@ -10,7 +10,7 @@
 ; CHECK-NEXT: gc.statepoint
 ; CHECK-NEXT: %obj.relocated = call coldcc i8 addrspace(1)*
 entry:
-  call i32 (i64, i32, void ()*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_isVoidf(i64 0, i32 0, void ()* @foo, i32 0, i32 0, i32 0, i32 5, i32 0, i32 -1, i32 0, i32 0, i32 0)
+  call token (i64, i32, void ()*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_isVoidf(i64 0, i32 0, void ()* @foo, i32 0, i32 0, i32 0, i32 5, i32 0, i32 -1, i32 0, i32 0, i32 0)
   ret i8 addrspace(1)* %obj
 }
 
@@ -23,8 +23,8 @@
 ; CHECK-NEXT: gc.statepoint
 ; CHECK-NEXT: %obj.relocated1 = call coldcc i8 addrspace(1)*
 entry:
-  call i32 (i64, i32, void ()*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_isVoidf(i64 0, i32 0, void ()* @foo, i32 0, i32 0, i32 0, i32 5, i32 0, i32 -1, i32 0, i32 0, i32 0)
-  call i32 (i64, i32, void ()*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_isVoidf(i64 0, i32 0, void ()* @foo, i32 0, i32 0, i32 0, i32 5, i32 0, i32 -1, i32 0, i32 0, i32 0)
+  call token (i64, i32, void ()*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_isVoidf(i64 0, i32 0, void ()* @foo, i32 0, i32 0, i32 0, i32 5, i32 0, i32 -1, i32 0, i32 0, i32 0)
+  call token (i64, i32, void ()*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_isVoidf(i64 0, i32 0, void ()* @foo, i32 0, i32 0, i32 0, i32 5, i32 0, i32 -1, i32 0, i32 0, i32 0)
   ret i8 addrspace(1)* %obj
 }
 
@@ -39,7 +39,7 @@
 ; CHECK-NEXT: load i8, i8 addrspace(1)* %obj.relocated
 entry:
   %derived = getelementptr i8, i8 addrspace(1)* %obj, i64 10
-  call i32 (i64, i32, void ()*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_isVoidf(i64 0, i32 0, void ()* @foo, i32 0, i32 0, i32 0, i32 5, i32 0, i32 -1, i32 0, i32 0, i32 0)
+  call token (i64, i32, void ()*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_isVoidf(i64 0, i32 0, void ()* @foo, i32 0, i32 0, i32 0, i32 5, i32 0, i32 -1, i32 0, i32 0, i32 0)
 
   %a = load i8, i8 addrspace(1)* %derived
   %b = load i8, i8 addrspace(1)* %obj
@@ -57,14 +57,14 @@
 ; CHECK-LABEL: taken:
 ; CHECK-NEXT: gc.statepoint
 ; CHECK-NEXT: %obj.relocated = call coldcc i8 addrspace(1)*
-  call i32 (i64, i32, void ()*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_isVoidf(i64 0, i32 0, void ()* @foo, i32 0, i32 0, i32 0, i32 5, i32 0, i32 -1, i32 0, i32 0, i32 0)
+  call token (i64, i32, void ()*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_isVoidf(i64 0, i32 0, void ()* @foo, i32 0, i32 0, i32 0, i32 5, i32 0, i32 -1, i32 0, i32 0, i32 0)
   br label %merge
 
 untaken:
 ; CHECK-LABEL: untaken:
 ; CHECK-NEXT: gc.statepoint
 ; CHECK-NEXT: %obj.relocated1 = call coldcc i8 addrspace(1)*
-  call i32 (i64, i32, void ()*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_isVoidf(i64 0, i32 0, void ()* @foo, i32 0, i32 0, i32 0, i32 5, i32 0, i32 -1, i32 0, i32 0, i32 0)
+  call token (i64, i32, void ()*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_isVoidf(i64 0, i32 0, void ()* @foo, i32 0, i32 0, i32 0, i32 5, i32 0, i32 -1, i32 0, i32 0, i32 0)
   br label %merge
 
 merge:
@@ -81,8 +81,8 @@
 ; CHECK-NEXT: gc.statepoint
 ; CHECK-NOT: %obj.relocated = call coldcc i8 addrspace(1)*
 entry:
-  call i32 (i64, i32, void ()*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_isVoidf(i64 0, i32 0, void ()* @foo, i32 0, i32 0, i32 0, i32 5, i32 0, i32 -1, i32 0, i32 0, i32 0)
+  call token (i64, i32, void ()*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_isVoidf(i64 0, i32 0, void ()* @foo, i32 0, i32 0, i32 0, i32 5, i32 0, i32 -1, i32 0, i32 0, i32 0)
   ret i8 addrspace(1)* %obj
 }
 
-declare i32 @llvm.experimental.gc.statepoint.p0f_isVoidf(i64, i32, void ()*, i32, i32, ...)
\ No newline at end of file
+declare token @llvm.experimental.gc.statepoint.p0f_isVoidf(i64, i32, void ()*, i32, i32, ...)
\ No newline at end of file
diff --git a/llvm/test/Transforms/RewriteStatepointsForGC/codegen-cond.ll b/llvm/test/Transforms/RewriteStatepointsForGC/codegen-cond.ll
index aedce03..8221cd0 100644
--- a/llvm/test/Transforms/RewriteStatepointsForGC/codegen-cond.ll
+++ b/llvm/test/Transforms/RewriteStatepointsForGC/codegen-cond.ll
@@ -7,7 +7,7 @@
    %cond = icmp eq i8 addrspace(1)* %p, null
    br i1 %rare, label %safepoint, label %continue, !prof !0
 safepoint:
-   call i32 (i64, i32, void ()*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_isVoidf(i64 2882400000, i32 0, void ()* @safepoint, i32 0, i32 0, i32 0, i32 0)
+   call token (i64, i32, void ()*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_isVoidf(i64 2882400000, i32 0, void ()* @safepoint, i32 0, i32 0, i32 0, i32 0)
    br label %continue
 continue:
 ; CHECK-LABEL: continue:
@@ -31,7 +31,7 @@
    %cond = icmp eq i8 addrspace(1)* %p, %q
    br i1 %rare, label %safepoint, label %continue, !prof !0
 safepoint:
-   call i32 (i64, i32, void ()*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_isVoidf(i64 2882400000, i32 0, void ()* @safepoint, i32 0, i32 0, i32 0, i32 0)
+   call token (i64, i32, void ()*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_isVoidf(i64 2882400000, i32 0, void ()* @safepoint, i32 0, i32 0, i32 0, i32 0)
    br label %continue
 continue:
 ; CHECK-LABEL: continue:
@@ -56,7 +56,7 @@
     gc "statepoint-example" {
 ; CHECK-LABEL: @test3
 entry:   
-   call i32 (i64, i32, void ()*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_isVoidf(i64 2882400000, i32 0, void ()* @safepoint, i32 0, i32 0, i32 0, i32 0)
+   call token (i64, i32, void ()*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_isVoidf(i64 2882400000, i32 0, void ()* @safepoint, i32 0, i32 0, i32 0, i32 0)
 ; CHECK: gc.statepoint
 ; CHECK: %cond = icmp
 ; CHECK: br i1 %cond
@@ -69,6 +69,6 @@
 }
 
 declare void @safepoint()
-declare i32 @llvm.experimental.gc.statepoint.p0f_isVoidf(i64, i32, void ()*, i32, i32, ...)
+declare token @llvm.experimental.gc.statepoint.p0f_isVoidf(i64, i32, void ()*, i32, i32, ...)
 
 !0 = !{!"branch_weights", i32 1, i32 10000}
diff --git a/llvm/test/Transforms/RewriteStatepointsForGC/constants.ll b/llvm/test/Transforms/RewriteStatepointsForGC/constants.ll
index 8453d85..b30f64b 100644
--- a/llvm/test/Transforms/RewriteStatepointsForGC/constants.ll
+++ b/llvm/test/Transforms/RewriteStatepointsForGC/constants.ll
@@ -1,7 +1,7 @@
 ; RUN: opt -S -rewrite-statepoints-for-gc %s | FileCheck %s
 
 declare void @foo()
-declare i32 @llvm.experimental.gc.statepoint.p0f_isVoidf(i64, i32, void ()*, i32, i32, ...)
+declare token @llvm.experimental.gc.statepoint.p0f_isVoidf(i64, i32, void ()*, i32, i32, ...)
 
 ; constants don't get relocated.
 define i8 @test() gc "statepoint-example" {
@@ -9,7 +9,7 @@
 ; CHECK: gc.statepoint
 ; CHECK-NEXT: load i8, i8 addrspace(1)* inttoptr (i64 15 to i8 addrspace(1)*)
 entry:
-  call i32 (i64, i32, void ()*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_isVoidf(i64 0, i32 0, void ()* @foo, i32 0, i32 0, i32 0, i32 0)
+  call token (i64, i32, void ()*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_isVoidf(i64 0, i32 0, void ()* @foo, i32 0, i32 0, i32 0, i32 0)
   %res = load i8, i8 addrspace(1)* inttoptr (i64 15 to i8 addrspace(1)*)
   ret i8 %res
 }
@@ -22,7 +22,7 @@
 ; CHECK-NEXT: gc.relocate
 ; CHECK-NEXT: icmp
 entry:
-  call i32 (i64, i32, void ()*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_isVoidf(i64 0, i32 0, void ()* @foo, i32 0, i32 0, i32 0, i32 0)
+  call token (i64, i32, void ()*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_isVoidf(i64 0, i32 0, void ()* @foo, i32 0, i32 0, i32 0, i32 0)
   %cmp = icmp eq i8 addrspace(1)* %p, null
   br i1 %cmp, label %taken, label %not_taken
 
@@ -52,7 +52,7 @@
 ; CHECK: gc.statepoint
 ; CHECK-NEXT: load i8, i8 addrspace(1)* @G
 entry:
-  call i32 (i64, i32, void ()*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_isVoidf(i64 0, i32 0, void ()* @foo, i32 0, i32 0, i32 0, i32 0)
+  call token (i64, i32, void ()*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_isVoidf(i64 0, i32 0, void ()* @foo, i32 0, i32 0, i32 0, i32 0)
   %res = load i8, i8 addrspace(1)* @G, align 1
   ret i8 %res
 }
@@ -67,7 +67,7 @@
   br i1 %is_null, label %split, label %join
 
 split:
-  call i32 (i64, i32, void ()*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_isVoidf(i64 0, i32 0, void ()* @foo, i32 0, i32 0, i32 0, i32 0)
+  call token (i64, i32, void ()*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_isVoidf(i64 0, i32 0, void ()* @foo, i32 0, i32 0, i32 0, i32 0)
   %arg_value_addr.i = getelementptr inbounds i8, i8 addrspace(1)* %p, i64 8
   %arg_value_addr_casted.i = bitcast i8 addrspace(1)* %arg_value_addr.i to i8 addrspace(1)* addrspace(1)*
   br label %join
@@ -87,7 +87,7 @@
 ; CHECK-LABEL: use:
 ; CHECK: gc.statepoint
 ; CHECK: gc.relocate
-  call i32 (i64, i32, void ()*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_isVoidf(i64 0, i32 0, void ()* @foo, i32 0, i32 0, i32 0, i32 0)
+  call token (i64, i32, void ()*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_isVoidf(i64 0, i32 0, void ()* @foo, i32 0, i32 0, i32 0, i32 0)
   %res = load i8 addrspace(1)*, i8 addrspace(1)* addrspace(1)* %addr2, align 1
   ret i8 addrspace(1)* %res
 }
diff --git a/llvm/test/Transforms/RewriteStatepointsForGC/deopt-bundles/base-pointers-4.ll b/llvm/test/Transforms/RewriteStatepointsForGC/deopt-bundles/base-pointers-4.ll
index 2d5c9f5..3fcbf26 100644
--- a/llvm/test/Transforms/RewriteStatepointsForGC/deopt-bundles/base-pointers-4.ll
+++ b/llvm/test/Transforms/RewriteStatepointsForGC/deopt-bundles/base-pointers-4.ll
@@ -14,7 +14,7 @@
 
 loop:                                             ; preds = %merge.split, %entry
 ; CHECK: loop:
-; CHECK:  [[TOKEN_0:%[^ ]+]] = call i32 (i64, i32, i64 addrspace(1)* ()*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_p1i64f(i64 2882400000, i32 0, i64 addrspace(1)* ()* @generate_obj, i32 0, i32 0, i32 0, i32 5, i32 0, i32 -1, i32 0, i32 0, i3
+; CHECK:  [[TOKEN_0:%[^ ]+]] = call token (i64, i32, i64 addrspace(1)* ()*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_p1i64f(i64 2882400000, i32 0, i64 addrspace(1)* ()* @generate_obj, i32 0, i32 0, i32 0, i32 5, i32 0, i32 -1, i32 0, i32 0, i3
 ; CHECK-NEXT:  [[RESULT_0:%[^ ]+]] = call i64 addrspace(1)* @llvm.experimental.gc.result
   %0 = call i64 addrspace(1)* @generate_obj() [ "deopt"(i32 0, i32 -1, i32 0, i32 0, i32 0) ]
   switch i32 %condition, label %dest_a [
diff --git a/llvm/test/Transforms/RewriteStatepointsForGC/deopt-bundles/basic.ll b/llvm/test/Transforms/RewriteStatepointsForGC/deopt-bundles/basic.ll
index 3b029f1..c0dc694 100644
--- a/llvm/test/Transforms/RewriteStatepointsForGC/deopt-bundles/basic.ll
+++ b/llvm/test/Transforms/RewriteStatepointsForGC/deopt-bundles/basic.ll
@@ -6,36 +6,36 @@
 define i32 addrspace(1)* @f0(i32 addrspace(1)* %arg) gc "statepoint-example" {
 ; CHECK-LABEL: @f0(
  entry:
-; CHECK: [[TOKEN_0:%[^ ]+]] = call i32 {{[^@]*}} @llvm.experimental.gc.statepoint.p0f_isVoidf(i64 2882400000, i32 0, void ()* @g, i32 0, i32 0, i32 0, i32 1, i32 100, i32 addrspace(1)* %arg)
+; CHECK: [[TOKEN_0:%[^ ]+]] = call token {{[^@]*}} @llvm.experimental.gc.statepoint.p0f_isVoidf(i64 2882400000, i32 0, void ()* @g, i32 0, i32 0, i32 0, i32 1, i32 100, i32 addrspace(1)* %arg)
   call void @g() [ "deopt"(i32 100) ]
 
-; CHECK: %arg.relocated = call coldcc i8 addrspace(1)* @llvm.experimental.gc.relocate.p1i8(i32 [[TOKEN_0]], i32 8, i32 8)
+; CHECK: %arg.relocated = call coldcc i8 addrspace(1)* @llvm.experimental.gc.relocate.p1i8(token [[TOKEN_0]], i32 8, i32 8)
   ret i32 addrspace(1)* %arg
 }
 
 define i32 addrspace(1)* @f1(i32 addrspace(1)* %arg) gc "statepoint-example"  personality i32 8  {
 ; CHECK-LABEL: @f1(
  entry:
-; CHECK: [[TOKEN_1:%[^ ]+]] = invoke i32 (i64, i32, void ()*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_isVoidf(i64 2882400000, i32 0, void ()* @g, i32 0, i32 0, i32 0, i32 1, i32 100, i32 addrspace(1)* %arg)
+; CHECK: [[TOKEN_1:%[^ ]+]] = invoke token (i64, i32, void ()*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_isVoidf(i64 2882400000, i32 0, void ()* @g, i32 0, i32 0, i32 0, i32 1, i32 100, i32 addrspace(1)* %arg)
   invoke void @g() [ "deopt"(i32 100) ] to label %normal_dest unwind label %unwind_dest
 
  normal_dest:
-; CHECK: %arg.relocated1 = call coldcc i8 addrspace(1)* @llvm.experimental.gc.relocate.p1i8(i32 [[TOKEN_1]], i32 8, i32 8)
+; CHECK: %arg.relocated1 = call coldcc i8 addrspace(1)* @llvm.experimental.gc.relocate.p1i8(token [[TOKEN_1]], i32 8, i32 8)
   ret i32 addrspace(1)* %arg
 
  unwind_dest: 
-  %lpad = landingpad { i8*, i32 } cleanup
-  resume { i8*, i32 } undef
+  %lpad = landingpad token cleanup
+  resume token undef
 }
 
 define i32 addrspace(1)* @f2(i32 addrspace(1)* %arg) gc "statepoint-example" {
 ; CHECK-LABEL: @f2(
  entry:
-; CHECK: [[TOKEN_2:%[^ ]+]] = call i32 (i64, i32, i32 ()*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_i32f(i64 2882400000, i32 0, i32 ()* @h, i32 0, i32 0, i32 0, i32 1, i32 100, i32 addrspace(1)* %arg)
+; CHECK: [[TOKEN_2:%[^ ]+]] = call token (i64, i32, i32 ()*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_i32f(i64 2882400000, i32 0, i32 ()* @h, i32 0, i32 0, i32 0, i32 1, i32 100, i32 addrspace(1)* %arg)
   %val = call i32 @h() [ "deopt"(i32 100) ]
 
-; CHECK: [[RESULT_F2:%[^ ]+]] = call i32 @llvm.experimental.gc.result.i32(i32 [[TOKEN_2]])
-; CHECK: %arg.relocated = call coldcc i8 addrspace(1)* @llvm.experimental.gc.relocate.p1i8(i32 [[TOKEN_2]], i32 8, i32 8)
+; CHECK: [[RESULT_F2:%[^ ]+]] = call i32 @llvm.experimental.gc.result.i32(token [[TOKEN_2]])
+; CHECK: %arg.relocated = call coldcc i8 addrspace(1)* @llvm.experimental.gc.relocate.p1i8(token [[TOKEN_2]], i32 8, i32 8)
 ; CHECK: %arg.relocated.casted = bitcast i8 addrspace(1)* %arg.relocated to i32 addrspace(1)*
 
   store i32 %val, i32 addrspace(1)* %arg
@@ -46,12 +46,12 @@
 define i32 addrspace(1)* @f3(i32 addrspace(1)* %arg) gc "statepoint-example"  personality i32 8  {
 ; CHECK-LABEL: @f3(
  entry:
-; CHECK: [[TOKEN_3:%[^ ]+]] = invoke i32 (i64, i32, i32 ()*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_i32f(i64 2882400000, i32 0, i32 ()* @h, i32 0, i32 0, i32 0, i32 1, i32 100, i32 addrspace(1)* %arg)
+; CHECK: [[TOKEN_3:%[^ ]+]] = invoke token (i64, i32, i32 ()*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_i32f(i64 2882400000, i32 0, i32 ()* @h, i32 0, i32 0, i32 0, i32 1, i32 100, i32 addrspace(1)* %arg)
   %val = invoke i32 @h() [ "deopt"(i32 100) ] to label %normal_dest unwind label %unwind_dest
 
  normal_dest:
-; CHECK: [[RESULT_F3:%[^ ]+]] = call i32 @llvm.experimental.gc.result.i32(i32 [[TOKEN_3]])
-; CHECK: [[ARG_RELOCATED:%[^ ]+]] = call coldcc i8 addrspace(1)* @llvm.experimental.gc.relocate.p1i8(i32 [[TOKEN_3]], i32 8, i32 8)
+; CHECK: [[RESULT_F3:%[^ ]+]] = call i32 @llvm.experimental.gc.result.i32(token [[TOKEN_3]])
+; CHECK: [[ARG_RELOCATED:%[^ ]+]] = call coldcc i8 addrspace(1)* @llvm.experimental.gc.relocate.p1i8(token [[TOKEN_3]], i32 8, i32 8)
 ; CHECK: [[ARG_RELOCATED_CASTED:%[^ ]+]] = bitcast i8 addrspace(1)* [[ARG_RELOCATED]] to i32 addrspace(1)*
 
   store i32 %val, i32 addrspace(1)* %arg
@@ -60,6 +60,6 @@
   ret i32 addrspace(1)* %arg
 
  unwind_dest: 
-  %lpad = landingpad { i8*, i32 } cleanup
-  resume { i8*, i32 } undef
+  %lpad = landingpad token cleanup
+  resume token undef
 }
diff --git a/llvm/test/Transforms/RewriteStatepointsForGC/deopt-bundles/basics.ll b/llvm/test/Transforms/RewriteStatepointsForGC/deopt-bundles/basics.ll
index 5197bbb..48c45ea 100644
--- a/llvm/test/Transforms/RewriteStatepointsForGC/deopt-bundles/basics.ll
+++ b/llvm/test/Transforms/RewriteStatepointsForGC/deopt-bundles/basics.ll
@@ -81,8 +81,8 @@
 ; CHECK-LABEL: entry:
 ; CHECK-NEXT: gc.statepoint
 ; CHECK-NOT: %obj.relocated = call coldcc i8 addrspace(1)*
-  %0 = call i32 (i64, i32, void ()*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_isVoidf(i64 0, i32 0, void ()* @foo, i32 0, i32 0, i32 0, i32 5, i32 0, i32 -1, i32 0, i32 0, i32 0)
+  %0 = call token (i64, i32, void ()*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_isVoidf(i64 0, i32 0, void ()* @foo, i32 0, i32 0, i32 0, i32 5, i32 0, i32 -1, i32 0, i32 0, i32 0)
   ret i8 addrspace(1)* %obj
 }
 
-declare i32 @llvm.experimental.gc.statepoint.p0f_isVoidf(i64, i32, void ()*, i32, i32, ...)
+declare token @llvm.experimental.gc.statepoint.p0f_isVoidf(i64, i32, void ()*, i32, i32, ...)
diff --git a/llvm/test/Transforms/RewriteStatepointsForGC/deopt-bundles/gc-relocate-creation.ll b/llvm/test/Transforms/RewriteStatepointsForGC/deopt-bundles/gc-relocate-creation.ll
index ee0c973..0d53af7 100644
--- a/llvm/test/Transforms/RewriteStatepointsForGC/deopt-bundles/gc-relocate-creation.ll
+++ b/llvm/test/Transforms/RewriteStatepointsForGC/deopt-bundles/gc-relocate-creation.ll
@@ -13,7 +13,7 @@
 
 define void @test1(<2 x i32 addrspace(1)*> addrspace(1)* %obj) gc "statepoint-example" {
 entry:
-; CHECK: %obj.relocated = call coldcc i8 addrspace(1)* @llvm.experimental.gc.relocate.p1i8(i32 %statepoint_token, i32 7, i32 7)
+; CHECK: %obj.relocated = call coldcc i8 addrspace(1)* @llvm.experimental.gc.relocate.p1i8(token %statepoint_token, i32 7, i32 7)
 ; CHECK-NEXT:  %obj.relocated.casted = bitcast i8 addrspace(1)* %obj.relocated to <2 x i32 addrspace(1)*> addrspace(1)*
 
   call void @foo() [ "deopt"() ]
diff --git a/llvm/test/Transforms/RewriteStatepointsForGC/deopt-bundles/live-vector.ll b/llvm/test/Transforms/RewriteStatepointsForGC/deopt-bundles/live-vector.ll
index 8940029..00f2893 100644
--- a/llvm/test/Transforms/RewriteStatepointsForGC/deopt-bundles/live-vector.ll
+++ b/llvm/test/Transforms/RewriteStatepointsForGC/deopt-bundles/live-vector.ll
@@ -90,7 +90,7 @@
 ; Can we handle an insert element with a constant offset?  This effectively
 ; tests both the equal and inequal case since we have to relocate both indices
 ; in the vector.
-  %landing_pad4 = landingpad { i8*, i32 }
+  %landing_pad4 = landingpad token
           cleanup
   ret <2 x i64 addrspace(1)*> %obj
 }
diff --git a/llvm/test/Transforms/RewriteStatepointsForGC/deopt-bundles/patchable-statepoints.ll b/llvm/test/Transforms/RewriteStatepointsForGC/deopt-bundles/patchable-statepoints.ll
index 0c6a202..8f5c0ff 100644
--- a/llvm/test/Transforms/RewriteStatepointsForGC/deopt-bundles/patchable-statepoints.ll
+++ b/llvm/test/Transforms/RewriteStatepointsForGC/deopt-bundles/patchable-statepoints.ll
@@ -7,7 +7,7 @@
 ; CHECK-LABEL: @test_id(
 entry:
 ; CHECK-LABEL: entry:
-; CHECK: invoke i32 (i64, i32, void ()*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_isVoidf(i64 100, i32 0, void ()* @f
+; CHECK: invoke token (i64, i32, void ()*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_isVoidf(i64 100, i32 0, void ()* @f
   invoke void @f()  "statepoint-id"="100" to label %normal_return unwind label %exceptional_return
 
 normal_return:
@@ -22,7 +22,7 @@
 ; CHECK-LABEL: @test_num_patch_bytes(
 entry:
 ; CHECK-LABEL: entry:
-; CHECK: invoke i32 (i64, i32, void ()*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_isVoidf(i64 2882400000, i32 99, void ()* @f,
+; CHECK: invoke token (i64, i32, void ()*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_isVoidf(i64 2882400000, i32 99, void ()* @f,
   invoke void @f()  "statepoint-num-patch-bytes"="99" to label %normal_return unwind label %exceptional_return
 
 normal_return:
diff --git a/llvm/test/Transforms/RewriteStatepointsForGC/deopt-bundles/rematerialize-derived-pointers.ll b/llvm/test/Transforms/RewriteStatepointsForGC/deopt-bundles/rematerialize-derived-pointers.ll
index 748c281..0020c51 100644
--- a/llvm/test/Transforms/RewriteStatepointsForGC/deopt-bundles/rematerialize-derived-pointers.ll
+++ b/llvm/test/Transforms/RewriteStatepointsForGC/deopt-bundles/rematerialize-derived-pointers.ll
@@ -110,7 +110,7 @@
   ret void
 
 exception:                                        ; preds = %entry
-  %landing_pad4 = landingpad { i8*, i32 }
+  %landing_pad4 = landingpad token
           cleanup
   call void @use_obj64(i64 addrspace(1)* %ptr.cast)
   call void @use_obj16(i16 addrspace(1)* %ptr.cast2)
diff --git a/llvm/test/Transforms/RewriteStatepointsForGC/deopt-bundles/rewrite-invoke.ll b/llvm/test/Transforms/RewriteStatepointsForGC/deopt-bundles/rewrite-invoke.ll
index 140fbdf..e1d0140 100644
--- a/llvm/test/Transforms/RewriteStatepointsForGC/deopt-bundles/rewrite-invoke.ll
+++ b/llvm/test/Transforms/RewriteStatepointsForGC/deopt-bundles/rewrite-invoke.ll
@@ -10,7 +10,7 @@
   br i1 %c, label %gc_invoke, label %normal_dest
 
 gc_invoke:
-; CHECK: [[TOKEN:%[^ ]+]] = invoke i32 {{[^@]+}}@llvm.experimental.gc.statepoint{{[^@]+}}@gc_call
+; CHECK: [[TOKEN:%[^ ]+]] = invoke token {{[^@]+}}@llvm.experimental.gc.statepoint{{[^@]+}}@gc_call
   %obj = invoke i8 addrspace(1)* @gc_call() [ "deopt"(i32 0, i32 -1, i32 0, i32 0, i32 0) ]
           to label %normal_dest unwind label %unwind_dest
 
@@ -21,7 +21,7 @@
   resume { i8*, i32 } undef
 
 ; CHECK: [[NORMAL_DEST_SPLIT:[^:]+:]]
-; CHECK-NEXT: [[RET_VAL:%[^ ]+]] = call i8 addrspace(1)* @llvm.experimental.gc.result.p1i8(i32 [[TOKEN]])
+; CHECK-NEXT: [[RET_VAL:%[^ ]+]] = call i8 addrspace(1)* @llvm.experimental.gc.result.p1i8(token [[TOKEN]])
 ; CHECK-NEXT: br label %normal_dest
 
 normal_dest:
diff --git a/llvm/test/Transforms/RewriteStatepointsForGC/deref-pointers.ll b/llvm/test/Transforms/RewriteStatepointsForGC/deref-pointers.ll
index 9778cdb..b4954f6 100644
--- a/llvm/test/Transforms/RewriteStatepointsForGC/deref-pointers.ll
+++ b/llvm/test/Transforms/RewriteStatepointsForGC/deref-pointers.ll
@@ -11,14 +11,14 @@
 define i8 addrspace(1)* @test_deref_arg(i8 addrspace(1)* dereferenceable(4) %a) gc "statepoint-example" {
 ; CHECK: define i8 addrspace(1)* @test_deref_arg(i8 addrspace(1)* %a)
 entry:
-  call i32 (i64, i32, void ()*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_isVoidf(i64 0, i32 0, void ()* @foo, i32 0, i32 0, i32 0, i32 5, i32 0, i32 -1, i32 0, i32 0, i32 0)
+  call token (i64, i32, void ()*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_isVoidf(i64 0, i32 0, void ()* @foo, i32 0, i32 0, i32 0, i32 5, i32 0, i32 -1, i32 0, i32 0, i32 0)
   ret i8 addrspace(1)* %a
 }
 
 define i8 addrspace(1)* @test_deref_or_null_arg(i8 addrspace(1)* dereferenceable_or_null(4) %a) gc "statepoint-example" {
 ; CHECK: define i8 addrspace(1)* @test_deref_or_null_arg(i8 addrspace(1)* %a)
 entry:
-  call i32 (i64, i32, void ()*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_isVoidf(i64 0, i32 0, void ()* @foo, i32 0, i32 0, i32 0, i32 5, i32 0, i32 -1, i32 0, i32 0, i32 0)
+  call token (i64, i32, void ()*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_isVoidf(i64 0, i32 0, void ()* @foo, i32 0, i32 0, i32 0, i32 5, i32 0, i32 -1, i32 0, i32 0, i32 0)
   ret i8 addrspace(1)* %a
 }
 
@@ -27,7 +27,7 @@
 entry:
   %a = call dereferenceable(4) i8 addrspace(1)* @some_function()
 ; CHECK: %a = call i8 addrspace(1)* @some_function()
-  call i32 (i64, i32, void ()*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_isVoidf(i64 0, i32 0, void ()* @foo, i32 0, i32 0, i32 0, i32 5, i32 0, i32 -1, i32 0, i32 0, i32 0)
+  call token (i64, i32, void ()*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_isVoidf(i64 0, i32 0, void ()* @foo, i32 0, i32 0, i32 0, i32 5, i32 0, i32 -1, i32 0, i32 0, i32 0)
   ret i8 addrspace(1)* %a
 }
 
@@ -36,7 +36,7 @@
 entry:
   %a = call dereferenceable_or_null(4) i8 addrspace(1)* @some_function()
 ; CHECK: %a = call i8 addrspace(1)* @some_function()
-  call i32 (i64, i32, void ()*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_isVoidf(i64 0, i32 0, void ()* @foo, i32 0, i32 0, i32 0, i32 5, i32 0, i32 -1, i32 0, i32 0, i32 0)
+  call token (i64, i32, void ()*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_isVoidf(i64 0, i32 0, void ()* @foo, i32 0, i32 0, i32 0, i32 5, i32 0, i32 -1, i32 0, i32 0, i32 0)
   ret i8 addrspace(1)* %a
 }
 
@@ -45,7 +45,7 @@
  entry:
 ; CHECK: %tmp = load i8, i8 addrspace(1)* %ptr, !tbaa !0
   %tmp = load i8, i8 addrspace(1)* %ptr, !tbaa !0
-  call i32 (i64, i32, void ()*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_isVoidf(i64 0, i32 0, void ()* @foo, i32 0, i32 0, i32 0, i32 5, i32 0, i32 -1, i32 0, i32 0, i32 0)
+  call token (i64, i32, void ()*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_isVoidf(i64 0, i32 0, void ()* @foo, i32 0, i32 0, i32 0, i32 5, i32 0, i32 -1, i32 0, i32 0, i32 0)
   ret i8 %tmp
 }
 
@@ -55,7 +55,7 @@
 ; No change here, but the prototype of some_function_ret_deref should have changed.
 ; CHECK: call i8 addrspace(1)* @some_function_ret_deref()
   %a = call i8 addrspace(1)* @some_function_ret_deref()
-  call i32 (i64, i32, void ()*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_isVoidf(i64 0, i32 0, void ()* @foo, i32 0, i32 0, i32 0, i32 5, i32 0, i32 -1, i32 0, i32 0, i32 0)
+  call token (i64, i32, void ()*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_isVoidf(i64 0, i32 0, void ()* @foo, i32 0, i32 0, i32 0, i32 5, i32 0, i32 -1, i32 0, i32 0, i32 0)
   ret i8 addrspace(1)* %a
 }
 
@@ -64,14 +64,14 @@
 entry:
 ; CHECK: call void @some_function_consumer(i8 addrspace(1)* %ptr)
   call void @some_function_consumer(i8 addrspace(1)* dereferenceable(4) %ptr)
-  call i32 (i64, i32, void ()*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_isVoidf(i64 0, i32 0, void ()* @foo, i32 0, i32 0, i32 0, i32 5, i32 0, i32 -1, i32 0, i32 0, i32 0)
+  call token (i64, i32, void ()*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_isVoidf(i64 0, i32 0, void ()* @foo, i32 0, i32 0, i32 0, i32 5, i32 0, i32 -1, i32 0, i32 0, i32 0)
   ret i8 addrspace(1)* %ptr
 }
 
 define i8 addrspace(1)* @test_noalias_arg(i8 addrspace(1)* noalias %a) gc "statepoint-example" {
 ; CHECK: define i8 addrspace(1)* @test_noalias_arg(i8 addrspace(1)* %a)
 entry:
-  call i32 (i64, i32, void ()*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_isVoidf(i64 0, i32 0, void ()* @foo, i32 0, i32 0, i32 0, i32 5, i32 0, i32 -1, i32 0, i32 0, i32 0)
+  call token (i64, i32, void ()*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_isVoidf(i64 0, i32 0, void ()* @foo, i32 0, i32 0, i32 0, i32 5, i32 0, i32 -1, i32 0, i32 0, i32 0)
   ret i8 addrspace(1)* %a
 }
 
@@ -80,7 +80,7 @@
 entry:
   %a = call noalias i8 addrspace(1)* @some_function()
 ; CHECK: %a = call i8 addrspace(1)* @some_function()
-  call i32 (i64, i32, void ()*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_isVoidf(i64 0, i32 0, void ()* @foo, i32 0, i32 0, i32 0, i32 5, i32 0, i32 -1, i32 0, i32 0, i32 0)
+  call token (i64, i32, void ()*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_isVoidf(i64 0, i32 0, void ()* @foo, i32 0, i32 0, i32 0, i32 5, i32 0, i32 -1, i32 0, i32 0, i32 0)
   ret i8 addrspace(1)* %a
 }
 
@@ -90,7 +90,7 @@
 ; No change here, but the prototype of some_function_ret_noalias should have changed.
 ; CHECK: call i8 addrspace(1)* @some_function_ret_noalias()
   %a = call i8 addrspace(1)* @some_function_ret_noalias()
-  call i32 (i64, i32, void ()*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_isVoidf(i64 0, i32 0, void ()* @foo, i32 0, i32 0, i32 0, i32 5, i32 0, i32 -1, i32 0, i32 0, i32 0)
+  call token (i64, i32, void ()*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_isVoidf(i64 0, i32 0, void ()* @foo, i32 0, i32 0, i32 0, i32 5, i32 0, i32 -1, i32 0, i32 0, i32 0)
   ret i8 addrspace(1)* %a
 }
 
@@ -99,11 +99,11 @@
 entry:
 ; CHECK: call void @some_function_consumer(i8 addrspace(1)* %ptr)
   call void @some_function_consumer(i8 addrspace(1)* noalias %ptr)
-  call i32 (i64, i32, void ()*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_isVoidf(i64 0, i32 0, void ()* @foo, i32 0, i32 0, i32 0, i32 5, i32 0, i32 -1, i32 0, i32 0, i32 0)
+  call token (i64, i32, void ()*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_isVoidf(i64 0, i32 0, void ()* @foo, i32 0, i32 0, i32 0, i32 5, i32 0, i32 -1, i32 0, i32 0, i32 0)
   ret i8 addrspace(1)* %ptr
 }
 
-declare i32 @llvm.experimental.gc.statepoint.p0f_isVoidf(i64, i32, void ()*, i32, i32, ...)
+declare token @llvm.experimental.gc.statepoint.p0f_isVoidf(i64, i32, void ()*, i32, i32, ...)
 
 !0 = !{!1, !1, i64 0, i64 1}
 !1 = !{!"red", !2}
diff --git a/llvm/test/Transforms/RewriteStatepointsForGC/gc_relocate_creation.ll b/llvm/test/Transforms/RewriteStatepointsForGC/gc_relocate_creation.ll
index 355ffa6..3cd4bc6 100644
--- a/llvm/test/Transforms/RewriteStatepointsForGC/gc_relocate_creation.ll
+++ b/llvm/test/Transforms/RewriteStatepointsForGC/gc_relocate_creation.ll
@@ -8,12 +8,12 @@
 
 declare void @foo()
 declare void @use(...)
-declare i32 @llvm.experimental.gc.statepoint.p0f_isVoidf(i64, i32, void ()*, i32, i32, ...)
+declare token @llvm.experimental.gc.statepoint.p0f_isVoidf(i64, i32, void ()*, i32, i32, ...)
 
 define void @test1(<2 x i32 addrspace(1)*> addrspace(1)* %obj) gc "statepoint-example" {
 entry:
-  %safepoint_token = call i32 (i64, i32, void ()*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_isVoidf(i64 0, i32 0, void ()* @foo, i32 0, i32 0, i32 0, i32 0)
-; CHECK: %obj.relocated = call coldcc i8 addrspace(1)* @llvm.experimental.gc.relocate.p1i8(i32 %safepoint_token, i32 7, i32 7)
+  %safepoint_token = call token (i64, i32, void ()*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_isVoidf(i64 0, i32 0, void ()* @foo, i32 0, i32 0, i32 0, i32 0)
+; CHECK: %obj.relocated = call coldcc i8 addrspace(1)* @llvm.experimental.gc.relocate.p1i8(token %safepoint_token, i32 7, i32 7)
 ; CHECK-NEXT:  %obj.relocated.casted = bitcast i8 addrspace(1)* %obj.relocated to <2 x i32 addrspace(1)*> addrspace(1)*
   call void (...) @use(<2 x i32 addrspace(1)*> addrspace(1)* %obj)
   ret void
diff --git a/llvm/test/Transforms/RewriteStatepointsForGC/live-vector.ll b/llvm/test/Transforms/RewriteStatepointsForGC/live-vector.ll
index 20640b5..584fd7a 100644
--- a/llvm/test/Transforms/RewriteStatepointsForGC/live-vector.ll
+++ b/llvm/test/Transforms/RewriteStatepointsForGC/live-vector.ll
@@ -10,7 +10,7 @@
 ; CHECK-NEXT: bitcast
 ; CHECK-NEXT: ret i64 addrspace(1)* %obj.relocated.casted
 entry:
-  %safepoint_token = call i32 (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 0)
+  %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 0)
   ret i64 addrspace(1)* %obj
 }
 
@@ -28,7 +28,7 @@
 ; CHECK-NEXT: insertelement
 ; CHECK-NEXT: ret <2 x i64 addrspace(1)*> %7
 entry:
-  %safepoint_token = call i32 (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 0)
+  %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 0)
   ret <2 x i64 addrspace(1)*> %obj
 }
 
@@ -48,7 +48,7 @@
 ; CHECK-NEXT: ret <2 x i64 addrspace(1)*> %7
 entry:
   %obj = load <2 x i64 addrspace(1)*>, <2 x i64 addrspace(1)*>* %ptr
-  %safepoint_token = call i32 (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 0)
+  %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 0)
   ret <2 x i64 addrspace(1)*> %obj
 }
 
@@ -63,7 +63,7 @@
 ; CHECK-NEXT: gc.statepoint
 entry:
   %obj = load <2 x i64 addrspace(1)*>, <2 x i64 addrspace(1)*>* %ptr
-  invoke i32 (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 0)
+  invoke 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 0)
           to label %normal_return unwind label %exceptional_return
 
 ; CHECK-LABEL: normal_return:
@@ -86,7 +86,7 @@
 ; CHECK-NEXT: insertelement
 ; CHECK-NEXT: ret <2 x i64 addrspace(1)*> %14
 exceptional_return:                               ; preds = %entry
-  %landing_pad4 = landingpad { i8*, i32 }
+  %landing_pad4 = landingpad token
           cleanup
   ret <2 x i64 addrspace(1)*> %obj
 }
@@ -110,7 +110,7 @@
 ; CHECK-NEXT: ret <2 x i64 addrspace(1)*> %7
 entry:
   %vec = insertelement <2 x i64 addrspace(1)*> undef, i64 addrspace(1)* %p, i32 0
-  %safepoint_token = call i32 (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 0)
+  %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 0)
   ret <2 x i64 addrspace(1)*> %vec
 }
 
@@ -142,11 +142,11 @@
 
 merge:
   %obj = phi <2 x i64 addrspace(1)*> [%obja, %taken], [%objb, %untaken]
-  %safepoint_token = call i32 (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 0)
+  %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 0)
   ret <2 x i64 addrspace(1)*> %obj
 }
 
 
 declare void @do_safepoint()
 
-declare i32 @llvm.experimental.gc.statepoint.p0f_isVoidf(i64, i32, void ()*, i32, i32, ...)
+declare token @llvm.experimental.gc.statepoint.p0f_isVoidf(i64, i32, void ()*, i32, i32, ...)
diff --git a/llvm/test/Transforms/RewriteStatepointsForGC/liveness-basics.ll b/llvm/test/Transforms/RewriteStatepointsForGC/liveness-basics.ll
index 6bc4d53..207003c 100644
--- a/llvm/test/Transforms/RewriteStatepointsForGC/liveness-basics.ll
+++ b/llvm/test/Transforms/RewriteStatepointsForGC/liveness-basics.ll
@@ -16,7 +16,7 @@
 ; CHECK-NEXT: %obj.relocated = call coldcc i8 addrspace(1)*
 ; CHECK-NEXT: bitcast
 ; CHECK-NEXT: br label %merge
-  call i32 (i64, i32, void ()*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_isVoidf(i64 0, i32 0, void ()* @foo, i32 0, i32 0, i32 0, i32 0)
+  call token (i64, i32, void ()*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_isVoidf(i64 0, i32 0, void ()* @foo, i32 0, i32 0, i32 0, i32 0)
   br label %merge
 
 untaken:
@@ -25,7 +25,7 @@
 ; CHECK-NEXT: %obj.relocated1 = call coldcc i8 addrspace(1)*
 ; CHECK-NEXT: bitcast
 ; CHECK-NEXT: br label %merge
-  call i32 (i64, i32, void ()*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_isVoidf(i64 0, i32 0, void ()* @foo, i32 0, i32 0, i32 0, i32 0)
+  call token (i64, i32, void ()*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_isVoidf(i64 0, i32 0, void ()* @foo, i32 0, i32 0, i32 0, i32 0)
   br label %merge
 
 merge:
@@ -42,7 +42,7 @@
 ; CHECK-LABEL: entry:
 ; CHECK-NEXT:  gc.statepoint
 ; CHECK-NEXT:  br
-  call i32 (i64, i32, void ()*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_isVoidf(i64 0, i32 0, void ()* @foo, i32 0, i32 0, i32 0, i32 0)
+  call token (i64, i32, void ()*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_isVoidf(i64 0, i32 0, void ()* @foo, i32 0, i32 0, i32 0, i32 0)
   br i1 %cmp, label %taken, label %untaken
 
 taken:
@@ -54,7 +54,7 @@
 ; CHECK-NEXT:  ret i64 addrspace(1)* %obj.relocated.casted
 
   %obj = load i64 addrspace(1)*, i64 addrspace(1)** %loc
-  call i32 (i64, i32, void ()*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_isVoidf(i64 0, i32 0, void ()* @foo, i32 0, i32 0, i32 0, i32 0)
+  call token (i64, i32, void ()*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_isVoidf(i64 0, i32 0, void ()* @foo, i32 0, i32 0, i32 0, i32 0)
   ret i64 addrspace(1)* %obj
 
 untaken:
@@ -76,16 +76,16 @@
 ; CHECK-NEXT: %obj.relocated = call coldcc i8 addrspace(1)*
 ; CHECK-NEXT: bitcast
 ; CHECK-NEXT: br label %merge
-  call i32 (i64, i32, void ()*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_isVoidf(i64 0, i32 0, void ()* @foo, i32 0, i32 0, i32 0, i32 0)
+  call token (i64, i32, void ()*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_isVoidf(i64 0, i32 0, void ()* @foo, i32 0, i32 0, i32 0, i32 0)
   %obj = load i64 addrspace(1)*, i64 addrspace(1)** %loc
-  call i32 (i64, i32, void ()*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_isVoidf(i64 0, i32 0, void ()* @foo, i32 0, i32 0, i32 0, i32 0)
+  call token (i64, i32, void ()*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_isVoidf(i64 0, i32 0, void ()* @foo, i32 0, i32 0, i32 0, i32 0)
   br label %merge
 
 untaken:
 ; CHECK-LABEL: taken:
 ; CHECK-NEXT: gc.statepoint
 ; CHECK-NEXT: br label %merge
-  call i32 (i64, i32, void ()*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_isVoidf(i64 0, i32 0, void ()* @foo, i32 0, i32 0, i32 0, i32 0)
+  call token (i64, i32, void ()*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_isVoidf(i64 0, i32 0, void ()* @foo, i32 0, i32 0, i32 0, i32 0)
   br label %merge
 
 merge:
@@ -114,9 +114,9 @@
 ; CHECK-NEXT:  ret i64 addrspace(1)* %derived.relocated1.casted
 ; 
   %derived = getelementptr i64, i64 addrspace(1)* %obj, i64 8
-  call i32 (i64, i32, void ()*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_isVoidf(i64 0, i32 0, void ()* @foo, i32 0, i32 0, i32 0, i32 0)
+  call token (i64, i32, void ()*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_isVoidf(i64 0, i32 0, void ()* @foo, i32 0, i32 0, i32 0, i32 0)
 
-  call i32 (i64, i32, void ()*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_isVoidf(i64 0, i32 0, void ()* @foo, i32 0, i32 0, i32 0, i32 0)
+  call token (i64, i32, void ()*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_isVoidf(i64 0, i32 0, void ()* @foo, i32 0, i32 0, i32 0, i32 0)
   ret i64 addrspace(1)* %derived
 }
 
@@ -136,7 +136,7 @@
 ; CHECK-NEXT: %obj.relocated = call coldcc i8 addrspace(1)*
 ; CHECK-NEXT: bitcast
 ; CHECK-NEXT: br label %merge
-  call i32 (i64, i32, void ()*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_isVoidf(i64 0, i32 0, void ()* @foo, i32 0, i32 0, i32 0, i32 0)
+  call token (i64, i32, void ()*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_isVoidf(i64 0, i32 0, void ()* @foo, i32 0, i32 0, i32 0, i32 0)
   br label %merge
 
 untaken:
@@ -163,4 +163,4 @@
 
 declare void @foo()
 
-declare i32 @llvm.experimental.gc.statepoint.p0f_isVoidf(i64, i32, void ()*, i32, i32, ...)
+declare token @llvm.experimental.gc.statepoint.p0f_isVoidf(i64, i32, void ()*, i32, i32, ...)
diff --git a/llvm/test/Transforms/RewriteStatepointsForGC/preprocess.ll b/llvm/test/Transforms/RewriteStatepointsForGC/preprocess.ll
index 012fff5..e165749 100644
--- a/llvm/test/Transforms/RewriteStatepointsForGC/preprocess.ll
+++ b/llvm/test/Transforms/RewriteStatepointsForGC/preprocess.ll
@@ -17,7 +17,7 @@
 ; CHECK-NEXT: @consume(i64 addrspace(1)* %obj.relocated.casted)
 ; CHECK-NEXT: @consume(i64 addrspace(1)* %obj.relocated.casted)
   %obj2 = phi i64 addrspace(1)* [ %obj, %entry ]
-  call i32 (i64, i32, void ()*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_isVoidf(i64 0, i32 0, void ()* @foo, i32 0, i32 0, i32 0, i32 0)
+  call token (i64, i32, void ()*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_isVoidf(i64 0, i32 0, void ()* @foo, i32 0, i32 0, i32 0, i32 0)
   call void (...) @consume(i64 addrspace(1)* %obj2)
   call void (...) @consume(i64 addrspace(1)* %obj)
   ret void
@@ -33,7 +33,7 @@
 
 unreached:
   %obj = phi i64 addrspace(1)* [null, %unreached]
-  call i32 (i64, i32, void ()*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_isVoidf(i64 0, i32 0, void ()* @foo, i32 0, i32 0, i32 0, i32 0)
+  call token (i64, i32, void ()*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_isVoidf(i64 0, i32 0, void ()* @foo, i32 0, i32 0, i32 0, i32 0)
   call void (...) @consume(i64 addrspace(1)* %obj)
   br label %unreached
 }
@@ -46,7 +46,7 @@
   ret void
 
 unreached:
-  invoke i32 (i64, i32, void ()*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_isVoidf(i64 0, i32 0, void ()* @foo, i32 0, i32 0, i32 0, i32 0)
+  invoke token (i64, i32, void ()*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_isVoidf(i64 0, i32 0, void ()* @foo, i32 0, i32 0, i32 0, i32 0)
           to label %normal_return unwind label %exceptional_return
 
 normal_return:                                    ; preds = %entry
@@ -62,4 +62,4 @@
 ; Bound the last check-not
 ; CHECK-LABEL: @foo
 
-declare i32 @llvm.experimental.gc.statepoint.p0f_isVoidf(i64, i32, void ()*, i32, i32, ...)
+declare token @llvm.experimental.gc.statepoint.p0f_isVoidf(i64, i32, void ()*, i32, i32, ...)
diff --git a/llvm/test/Transforms/RewriteStatepointsForGC/relocate_invoke_result.ll b/llvm/test/Transforms/RewriteStatepointsForGC/relocate_invoke_result.ll
index 1a5289b..d11441e 100644
--- a/llvm/test/Transforms/RewriteStatepointsForGC/relocate_invoke_result.ll
+++ b/llvm/test/Transforms/RewriteStatepointsForGC/relocate_invoke_result.ll
@@ -25,9 +25,9 @@
 ;; CHECK-NEXT: gc.statepoint
 ;; CHECK-NEXT: %obj.relocated = call coldcc i8 addrspace(1)*
 ;; CHECK-NEXT: bitcast
-  %safepoint_token = call i32 (i64, i32, void ()*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_isVoidf(i64 0, i32 0, void ()* @gc_call, i32 0, i32 0, i32 0, i32 5, i32 0, i32 -1, i32 0, i32 0, i32 0)
+  %safepoint_token = call token (i64, i32, void ()*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_isVoidf(i64 0, i32 0, void ()* @gc_call, i32 0, i32 0, i32 0, i32 5, i32 0, i32 -1, i32 0, i32 0, i32 0)
   ret i64* addrspace(1)* %obj
 }
 
-declare i32 @llvm.experimental.gc.statepoint.p0f_isVoidf(i64, i32, void ()*, i32, i32, ...)
+declare token @llvm.experimental.gc.statepoint.p0f_isVoidf(i64, i32, void ()*, i32, i32, ...)
 
diff --git a/llvm/test/Transforms/RewriteStatepointsForGC/relocation.ll b/llvm/test/Transforms/RewriteStatepointsForGC/relocation.ll
index 7b29202..deea377 100644
--- a/llvm/test/Transforms/RewriteStatepointsForGC/relocation.ll
+++ b/llvm/test/Transforms/RewriteStatepointsForGC/relocation.ll
@@ -9,7 +9,7 @@
 ; CHECK-LABEL: @test1
 ; CHECK-DAG: %obj.relocated
 ; CHECK-DAG: %obj2.relocated
-  %safepoint_token = call i32 (i64, i32, void ()*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_isVoidf(i64 0, i32 0, void ()* @foo, i32 0, i32 0, i32 0, i32 0)
+  %safepoint_token = call token (i64, i32, void ()*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_isVoidf(i64 0, i32 0, void ()* @foo, i32 0, i32 0, i32 0, i32 0)
   br label %joint
 
 joint:
@@ -61,7 +61,7 @@
   br label %loop.backedge
 
 loop.backedge:
-  %safepoint_token = call i32 (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 0)
+  %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 0)
   br label %loop
 
 loop_y:
@@ -79,14 +79,14 @@
 ; CHECK-LABEL: if_branch:
 ; CHECK: gc.statepoint
 ; CHECK: gc.relocate
-  %safepoint_token = call i32 (i64, i32, void ()*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_isVoidf(i64 0, i32 0, void ()* @foo, i32 0, i32 0, i32 0, i32 0)
+  %safepoint_token = call token (i64, i32, void ()*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_isVoidf(i64 0, i32 0, void ()* @foo, i32 0, i32 0, i32 0, i32 0)
   br label %join
 
 else_branch:
 ; CHECK-LABEL: else_branch:
 ; CHECK: gc.statepoint
 ; CHECK: gc.relocate
-  %safepoint_token1 = call i32 (i64, i32, void ()*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_isVoidf(i64 0, i32 0, void ()* @foo, i32 0, i32 0, i32 0, i32 0)
+  %safepoint_token1 = call token (i64, i32, void ()*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_isVoidf(i64 0, i32 0, void ()* @foo, i32 0, i32 0, i32 0, i32 0)
   br label %join
 
 join:
@@ -110,8 +110,8 @@
 ; CHECK-NEXT: gc.relocate
 ; CHECK-NEXT: bitcast
 ; CHECK-NEXT: gc.statepoint
-  %safepoint_token = call i32 (i64, i32, void (i64)*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_isVoidi64f(i64 0, i32 0, void (i64)* undef, i32 1, i32 0, i64 undef, i32 0, i32 5, i32 0, i32 -1, i32 0, i32 0, i32 0)
-  %safepoint_token1 = call i32 (i64, i32, i32 (i64 addrspace(1)*)*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_i32p1i64f(i64 0, i32 0, i32 (i64 addrspace(1)*)* undef, i32 1, i32 0, i64 addrspace(1)* %obj, i32 0, i32 5, i32 0, i32 -1, i32 0, i32 0, i32 0)
+  %safepoint_token = call token (i64, i32, void (i64)*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_isVoidi64f(i64 0, i32 0, void (i64)* undef, i32 1, i32 0, i64 undef, i32 0, i32 5, i32 0, i32 -1, i32 0, i32 0, i32 0)
+  %safepoint_token1 = call token (i64, i32, i32 (i64 addrspace(1)*)*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_i32p1i64f(i64 0, i32 0, i32 (i64 addrspace(1)*)* undef, i32 1, i32 0, i64 addrspace(1)* %obj, i32 0, i32 5, i32 0, i32 -1, i32 0, i32 0, i32 0)
   ret void
 }
 
@@ -124,9 +124,9 @@
 ; CHECK: gc.statepoint
 ; CHECK: gc.relocate
 ; CHECK: @use(i8 addrspace(1)* %res.relocated)
-  %safepoint_token2 = tail call i32 (i64, i32, i8 addrspace(1)* ()*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_p1i8f(i64 0, i32 0, i8 addrspace(1)* ()* undef, i32 0, i32 0, i32 0, i32 0)
-  %res = call i8 addrspace(1)* @llvm.experimental.gc.result.p1i8(i32 %safepoint_token2)
-  call i32 (i64, i32, i8 addrspace(1)* ()*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_p1i8f(i64 0, i32 0, i8 addrspace(1)* ()* undef, i32 0, i32 0, i32 0, i32 0)
+  %safepoint_token2 = tail call token (i64, i32, i8 addrspace(1)* ()*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_p1i8f(i64 0, i32 0, i8 addrspace(1)* ()* undef, i32 0, i32 0, i32 0, i32 0)
+  %res = call i8 addrspace(1)* @llvm.experimental.gc.result.p1i8(token %safepoint_token2)
+  call token (i64, i32, i8 addrspace(1)* ()*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_p1i8f(i64 0, i32 0, i8 addrspace(1)* ()* undef, i32 0, i32 0, i32 0, i32 0)
   call void (...) @use(i8 addrspace(1)* %res)
   unreachable
 }
@@ -136,7 +136,7 @@
 define void @test5(i8 addrspace(1)* %arg) gc "statepoint-example" {
 ; CHECK-LABEL: test5
 entry:
-  call i32 (i64, i32, i8 addrspace(1)* ()*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_p1i8f(i64 0, i32 0, i8 addrspace(1)* ()* undef, i32 0, i32 0, i32 0, i32 0)
+  call token (i64, i32, i8 addrspace(1)* ()*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_p1i8f(i64 0, i32 0, i8 addrspace(1)* ()* undef, i32 0, i32 0, i32 0, i32 0)
   switch i32 undef, label %kill [
     i32 10, label %merge
     i32 13, label %merge
@@ -170,7 +170,7 @@
 ; CHECK: arg1.relocated = 
 ; CHECK: arg2.relocated = 
 ; CHECK: arg3.relocated = 
-  call i32 (i64, i32, void ()*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_isVoidf(i64 0, i32 0, void ()* @foo, i32 0, i32 0, i32 0, i32 3, i8 addrspace(1)* %arg1, i8 addrspace(1)* %arg2, i8 addrspace(1)* %arg3)
+  call token (i64, i32, void ()*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_isVoidf(i64 0, i32 0, void ()* @foo, i32 0, i32 0, i32 0, i32 3, i8 addrspace(1)* %arg1, i8 addrspace(1)* %arg2, i8 addrspace(1)* %arg3)
   br label %gc.safepoint_poll.exit2
 
 gc.safepoint_poll.exit2:
@@ -209,7 +209,7 @@
 ; CHECK-LABEL: outer-inc:
 ; CHECK: %arg1.relocated
 ; CHECK: %arg2.relocated
-  %safepoint_token = call i32 (i64, i32, void ()*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_isVoidf(i64 0, i32 0, void ()* @foo, i32 0, i32 0, i32 0, i32 2, i8 addrspace(1)* %arg1, i8 addrspace(1)* %arg2)
+  %safepoint_token = call token (i64, i32, void ()*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_isVoidf(i64 0, i32 0, void ()* @foo, i32 0, i32 0, i32 0, i32 2, i8 addrspace(1)* %arg1, i8 addrspace(1)* %arg2)
   br label %outer-loop
 }
 
@@ -238,7 +238,7 @@
 ; CHECK: gc.statepoint
 ; CHECK: %arg1.relocated
 ; CHECK: %arg2.relocated
-  %safepoint_token = call i32 (i64, i32, void ()*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_isVoidf(i64 0, i32 0, void ()* @foo, i32 0, i32 0, i32 0, i32 2, i8 addrspace(1)* %arg1, i8 addrspace(1)* %arg2)
+  %safepoint_token = call token (i64, i32, void ()*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_isVoidf(i64 0, i32 0, void ()* @foo, i32 0, i32 0, i32 0, i32 2, i8 addrspace(1)* %arg1, i8 addrspace(1)* %arg2)
   br i1 %cmp, label %inner-loop, label %outer-inc
 
 outer-inc:
@@ -258,7 +258,7 @@
   br i1 %condition, label %callbb, label %join2
 
 callbb:
-  %safepoint_token = call i32 (i64, i32, void ()*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_isVoidf(i64 0, i32 0, void ()* @foo, i32 0, i32 0, i32 0, i32 5, i32 0, i32 -1, i32 0, i32 0, i32 0)
+  %safepoint_token = call token (i64, i32, void ()*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_isVoidf(i64 0, i32 0, void ()* @foo, i32 0, i32 0, i32 0, i32 5, i32 0, i32 -1, i32 0, i32 0, i32 0)
   br label %join
 
 join:
@@ -285,11 +285,11 @@
 
 declare void @do_safepoint()
 
-declare i32 @llvm.experimental.gc.statepoint.p0f_isVoidf(i64, i32, void ()*, i32, i32, ...)
-declare i32 @llvm.experimental.gc.statepoint.p0f_p1i8f(i64, i32, i8 addrspace(1)* ()*, i32, i32, ...)
-declare i32 @llvm.experimental.gc.statepoint.p0f_isVoidi64f(i64, i32, void (i64)*, i32, i32, ...)
-declare i32 @llvm.experimental.gc.statepoint.p0f_i32p1i64f(i64, i32, i32 (i64 addrspace(1)*)*, i32, i32, ...)
-declare i8 addrspace(1)* @llvm.experimental.gc.result.p1i8(i32) #3
+declare token @llvm.experimental.gc.statepoint.p0f_isVoidf(i64, i32, void ()*, i32, i32, ...)
+declare token @llvm.experimental.gc.statepoint.p0f_p1i8f(i64, i32, i8 addrspace(1)* ()*, i32, i32, ...)
+declare token @llvm.experimental.gc.statepoint.p0f_isVoidi64f(i64, i32, void (i64)*, i32, i32, ...)
+declare token @llvm.experimental.gc.statepoint.p0f_i32p1i64f(i64, i32, i32 (i64 addrspace(1)*)*, i32, i32, ...)
+declare i8 addrspace(1)* @llvm.experimental.gc.result.p1i8(token) #3
 
 
 
diff --git a/llvm/test/Transforms/RewriteStatepointsForGC/rematerialize-derived-pointers.ll b/llvm/test/Transforms/RewriteStatepointsForGC/rematerialize-derived-pointers.ll
index f04e7c7..a20cfdd 100644
--- a/llvm/test/Transforms/RewriteStatepointsForGC/rematerialize-derived-pointers.ll
+++ b/llvm/test/Transforms/RewriteStatepointsForGC/rematerialize-derived-pointers.ll
@@ -10,8 +10,8 @@
 entry:
   %ptr = getelementptr i32, i32 addrspace(1)* %base, i32 15
   ; CHECK: getelementptr i32, i32 addrspace(1)* %base, i32 15
-  %sp = call i32 (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 0)
-  ; CHECK: %base.relocated = call coldcc i8 addrspace(1)* @llvm.experimental.gc.relocate.p1i8(i32 %sp, i32 7, i32 7)
+  %sp = 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 0)
+  ; CHECK: %base.relocated = call coldcc i8 addrspace(1)* @llvm.experimental.gc.relocate.p1i8(token %sp, i32 7, i32 7)
   ; CHECK: bitcast i8 addrspace(1)* %base.relocated to i32 addrspace(1)*
   ; CHECK: getelementptr i32, i32 addrspace(1)* %base.relocated.casted, i32 15
   call void @use_obj32(i32 addrspace(1)* %base)
@@ -24,8 +24,8 @@
 entry:
   %ptr = getelementptr i32, i32 addrspace(1)* %base, i32 %idx
   ; CHECK: getelementptr
-  %sp = call i32 (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 0)
-  ; CHECK: %base.relocated = call coldcc i8 addrspace(1)* @llvm.experimental.gc.relocate.p1i8(i32 %sp, i32 7, i32 7)
+  %sp = 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 0)
+  ; CHECK: %base.relocated = call coldcc i8 addrspace(1)* @llvm.experimental.gc.relocate.p1i8(token %sp, i32 7, i32 7)
   ; CHECK: %base.relocated.casted = bitcast i8 addrspace(1)* %base.relocated to i32 addrspace(1)*
   ; CHECK: getelementptr i32, i32 addrspace(1)* %base.relocated.casted, i32 %idx
   call void @use_obj32(i32 addrspace(1)* %base)
@@ -38,8 +38,8 @@
 entry:
   %ptr = bitcast i32 addrspace(1)* %base to i64 addrspace(1)*
   ; CHECK: bitcast i32 addrspace(1)* %base to i64 addrspace(1)*
-  %sp = call i32 (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 0)
-  ; CHECK: %base.relocated = call coldcc i8 addrspace(1)* @llvm.experimental.gc.relocate.p1i8(i32 %sp, i32 7, i32 7)
+  %sp = 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 0)
+  ; CHECK: %base.relocated = call coldcc i8 addrspace(1)* @llvm.experimental.gc.relocate.p1i8(token %sp, i32 7, i32 7)
   ; CHECK: %base.relocated.casted = bitcast i8 addrspace(1)* %base.relocated to i32 addrspace(1)*
   ; CHECK: bitcast i32 addrspace(1)* %base.relocated.casted to i64 addrspace(1)*
   call void @use_obj32(i32 addrspace(1)* %base)
@@ -54,7 +54,7 @@
   ; CHECK: getelementptr
   %ptr.cast = bitcast i32 addrspace(1)* %ptr.gep to i64 addrspace(1)*
   ; CHECK: bitcast
-  %sp = call i32 (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 0)
+  %sp = 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 0)
   ; CHECK: gc.relocate
   ; CHECK: bitcast
   ; CHECK: getelementptr
@@ -73,7 +73,7 @@
   ; CHECK: bitcast
   %ptr.cast2 = bitcast i32 addrspace(1)* %ptr.gep to i16 addrspace(1)*
   ; CHECK: bitcast
-  %sp = call i32 (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 0)
+  %sp = 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 0)
   ; CHECK: getelementptr
   ; CHECK: bitcast
   ; CHECK: getelementptr
@@ -96,7 +96,7 @@
   ; CHECK: getelementptr
   %ptr.cast = bitcast i32 addrspace(1)* %ptr.gep4 to i64 addrspace(1)*
   ; CHECK: bitcast
-  %sp = call i32 (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 0)
+  %sp = 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 0)
   ; CHECK: gc.relocate
   ; CHECK: bitcast
   ; CHECK: gc.relocate
@@ -112,7 +112,7 @@
   %ptr2 = getelementptr i32, i32 addrspace(1)* %base, i32 12
   ; CHECK: getelementptr
   ; CHECK: getelementptr
-  %sp = call i32 (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 0)
+  %sp = 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 0)
   ; CHECK: gc.relocate
   ; CHECK: bitcast
   ; CHECK: getelementptr
@@ -127,7 +127,7 @@
 entry:
   %ptr = getelementptr [3 x i32], [3 x i32] addrspace(1)* %base, i32 0, i32 2
   ; CHECK: getelementptr
-  %sp = call i32 (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 0)
+  %sp = 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 0)
   ; CHECK: gc.relocate
   ; CHECK: bitcast
   ; CHECK: getelementptr
@@ -146,7 +146,7 @@
   ; CHECK: bitcast
   %ptr.cast2 = bitcast i32 addrspace(1)* %ptr.gep to i16 addrspace(1)*
   ; CHECK: bitcast
-  %sp = invoke i32 (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 0)
+  %sp = invoke 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 0)
                 to label %normal unwind label %exception
 
 normal:
@@ -163,7 +163,7 @@
 
 exception:
   ; CHECK-LABEL: exception:
-  %landing_pad4 = landingpad { i8*, i32 }
+  %landing_pad4 = landingpad token
           cleanup
   ; CHECK: gc.relocate
   ; CHECK: bitcast
@@ -187,7 +187,7 @@
   ; CHECK: phi i32 addrspace(1)* [ %ptr.gep, %entry ], [ %ptr.gep.remat, %loop ]
   ; CHECK: phi i32 addrspace(1)* [ %base, %entry ], [ %base.relocated.casted, %loop ]
   call void @use_obj32(i32 addrspace(1)* %ptr.gep)
-  %sp = call i32 (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 0)
+  %sp = 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 0)
   ; CHECK: gc.relocate
   ; CHECK: bitcast
   ; CHECK: getelementptr
@@ -209,7 +209,7 @@
   %ptr.gep9  = getelementptr i32, i32 addrspace(1)* %ptr.gep8, i32 15
   %ptr.gep10 = getelementptr i32, i32 addrspace(1)* %ptr.gep9, i32 15
   %ptr.gep11 = getelementptr i32, i32 addrspace(1)* %ptr.gep10, i32 15
-  %sp = call i32 (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 0)
+  %sp = 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 0)
   ; CHECK: gc.relocate
   ; CHECK: bitcast
   ; CHECK: gc.relocate
@@ -219,4 +219,4 @@
 }
 
 
-declare i32 @llvm.experimental.gc.statepoint.p0f_isVoidf(i64, i32, void ()*, i32, i32, ...)
+declare token @llvm.experimental.gc.statepoint.p0f_isVoidf(i64, i32, void ()*, i32, i32, ...)