blob: 5db6d7ad6aedb0d8735016cf27d1c8c17ec6a9fd [file] [log] [blame]
Sanjoy Das04071082016-01-29 00:28:57 +00001; RUN: opt < %s -rewrite-statepoints-for-gc -spp-print-base-pointers -S 2>&1 | FileCheck %s
Philip Reamesa5aeaf42015-02-28 00:20:48 +00002
Philip Reamesfa2c6302015-07-24 19:01:39 +00003; CHECK: derived %merged_value base %merged_value.base
Philip Reamesa5aeaf42015-02-28 00:20:48 +00004
5declare void @site_for_call_safpeoint()
6
7define i64 addrspace(1)* @test(i64 addrspace(1)* %base_obj_x, i64 addrspace(1)* %base_obj_y, i1 %runtime_condition_x, i1 %runtime_condition_y) gc "statepoint-example" {
8entry:
9 br i1 %runtime_condition_x, label %here, label %there
10
Sanjoy Das04071082016-01-29 00:28:57 +000011here: ; preds = %entry
12 br i1 %runtime_condition_y, label %bump_here_a, label %bump_here_b
Philip Reamesa5aeaf42015-02-28 00:20:48 +000013
Sanjoy Das04071082016-01-29 00:28:57 +000014bump_here_a: ; preds = %here
Philip Reamesa5aeaf42015-02-28 00:20:48 +000015 %x_a = getelementptr i64, i64 addrspace(1)* %base_obj_x, i32 1
16 br label %merge_here
17
Sanjoy Das04071082016-01-29 00:28:57 +000018bump_here_b: ; preds = %here
Philip Reamesa5aeaf42015-02-28 00:20:48 +000019 %x_b = getelementptr i64, i64 addrspace(1)* %base_obj_x, i32 2
20 br label %merge_here
Philip Reamesa5aeaf42015-02-28 00:20:48 +000021
Sanjoy Das04071082016-01-29 00:28:57 +000022merge_here: ; preds = %bump_here_b, %bump_here_a
23 %x = phi i64 addrspace(1)* [ %x_a, %bump_here_a ], [ %x_b, %bump_here_b ]
Philip Reamesa5aeaf42015-02-28 00:20:48 +000024 br label %merge
25
Sanjoy Das04071082016-01-29 00:28:57 +000026there: ; preds = %entry
Philip Reamesa5aeaf42015-02-28 00:20:48 +000027 %y = getelementptr i64, i64 addrspace(1)* %base_obj_y, i32 1
28 br label %merge
29
Sanjoy Das04071082016-01-29 00:28:57 +000030merge: ; preds = %there, %merge_here
Philip Reamesa5aeaf42015-02-28 00:20:48 +000031; CHECK: merge:
Philip Reamesfa2c6302015-07-24 19:01:39 +000032; CHECK: %merged_value.base = phi i64 addrspace(1)* [ %base_obj_x, %merge_here ], [ %base_obj_y, %there ]
Philip Reamesa5aeaf42015-02-28 00:20:48 +000033; CHECK-NEXT: %merged_value = phi i64 addrspace(1)* [ %x, %merge_here ], [ %y, %there ]
34 %merged_value = phi i64 addrspace(1)* [ %x, %merge_here ], [ %y, %there ]
Sanjoy Das04071082016-01-29 00:28:57 +000035 call void @site_for_call_safpeoint() [ "deopt"(i32 0, i32 -1, i32 0, i32 0, i32 0) ]
Philip Reamesa5aeaf42015-02-28 00:20:48 +000036 ret i64 addrspace(1)* %merged_value
37}