blob: 267bc53aa91e86fcfa2e34d27734d70837170d25 [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
Fedor Sergeev4b86d792017-12-15 09:32:11 +00002; RUN: opt < %s -passes=rewrite-statepoints-for-gc -spp-print-base-pointers -S 2>&1 | FileCheck %s
Philip Reamesa5aeaf42015-02-28 00:20:48 +00003
Philip Reamesfa2c6302015-07-24 19:01:39 +00004; CHECK: derived %merged_value base %merged_value.base
Philip Reamesa5aeaf42015-02-28 00:20:48 +00005
6declare void @site_for_call_safpeoint()
7
8define 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" {
9entry:
10 br i1 %runtime_condition_x, label %here, label %there
11
Sanjoy Das04071082016-01-29 00:28:57 +000012here: ; preds = %entry
13 br i1 %runtime_condition_y, label %bump_here_a, label %bump_here_b
Philip Reamesa5aeaf42015-02-28 00:20:48 +000014
Sanjoy Das04071082016-01-29 00:28:57 +000015bump_here_a: ; preds = %here
Philip Reamesa5aeaf42015-02-28 00:20:48 +000016 %x_a = getelementptr i64, i64 addrspace(1)* %base_obj_x, i32 1
17 br label %merge_here
18
Sanjoy Das04071082016-01-29 00:28:57 +000019bump_here_b: ; preds = %here
Philip Reamesa5aeaf42015-02-28 00:20:48 +000020 %x_b = getelementptr i64, i64 addrspace(1)* %base_obj_x, i32 2
21 br label %merge_here
Philip Reamesa5aeaf42015-02-28 00:20:48 +000022
Sanjoy Das04071082016-01-29 00:28:57 +000023merge_here: ; preds = %bump_here_b, %bump_here_a
24 %x = phi i64 addrspace(1)* [ %x_a, %bump_here_a ], [ %x_b, %bump_here_b ]
Philip Reamesa5aeaf42015-02-28 00:20:48 +000025 br label %merge
26
Sanjoy Das04071082016-01-29 00:28:57 +000027there: ; preds = %entry
Philip Reamesa5aeaf42015-02-28 00:20:48 +000028 %y = getelementptr i64, i64 addrspace(1)* %base_obj_y, i32 1
29 br label %merge
30
Sanjoy Das04071082016-01-29 00:28:57 +000031merge: ; preds = %there, %merge_here
Philip Reamesa5aeaf42015-02-28 00:20:48 +000032; CHECK: merge:
Philip Reamesfa2c6302015-07-24 19:01:39 +000033; CHECK: %merged_value.base = phi i64 addrspace(1)* [ %base_obj_x, %merge_here ], [ %base_obj_y, %there ]
Philip Reamesa5aeaf42015-02-28 00:20:48 +000034; CHECK-NEXT: %merged_value = phi i64 addrspace(1)* [ %x, %merge_here ], [ %y, %there ]
35 %merged_value = phi i64 addrspace(1)* [ %x, %merge_here ], [ %y, %there ]
Sanjoy Das04071082016-01-29 00:28:57 +000036 call void @site_for_call_safpeoint() [ "deopt"(i32 0, i32 -1, i32 0, i32 0, i32 0) ]
Philip Reamesa5aeaf42015-02-28 00:20:48 +000037 ret i64 addrspace(1)* %merged_value
38}