blob: bc8a863896be42a16f8322be609615ad677e3210 [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) gc "statepoint-example" {
9entry:
10 br i1 %runtime_condition, label %here, label %there
11
Sanjoy Das04071082016-01-29 00:28:57 +000012here: ; preds = %entry
Philip Reamesa5aeaf42015-02-28 00:20:48 +000013 %x = getelementptr i64, i64 addrspace(1)* %base_obj_x, i32 1
14 br label %merge
15
Sanjoy Das04071082016-01-29 00:28:57 +000016there: ; preds = %entry
Philip Reamesa5aeaf42015-02-28 00:20:48 +000017 %y = getelementptr i64, i64 addrspace(1)* %base_obj_y, i32 1
18 br label %merge
19
Sanjoy Das04071082016-01-29 00:28:57 +000020merge: ; preds = %there, %here
Philip Reamesa5aeaf42015-02-28 00:20:48 +000021; CHECK-LABEL: merge:
Philip Reamesfa2c6302015-07-24 19:01:39 +000022; CHECK: %merged_value.base = phi i64 addrspace(1)* [ %base_obj_x, %here ], [ %base_obj_y, %there ]
Philip Reamesa5aeaf42015-02-28 00:20:48 +000023 %merged_value = phi i64 addrspace(1)* [ %x, %here ], [ %y, %there ]
Sanjoy Das04071082016-01-29 00:28:57 +000024 call void @site_for_call_safpeoint() [ "deopt"(i32 0, i32 -1, i32 0, i32 0, i32 0) ]
Philip Reamesa5aeaf42015-02-28 00:20:48 +000025 ret i64 addrspace(1)* %merged_value
26}