1; Test that we can correctly handle vectors of pointers in statepoint
2; rewriting.
3; RUN: opt < %s -rewrite-statepoints-for-gc -S | FileCheck  %s
4; RUN: opt < %s -passes=rewrite-statepoints-for-gc -S | FileCheck  %s
5
6; A non-vector relocation for comparison
7define i64 addrspace(1)* @test(i64 addrspace(1)* %obj) gc "statepoint-example" {
8; CHECK-LABEL: test
9; CHECK: gc.statepoint
10; CHECK-NEXT: gc.relocate
11; CHECK-NEXT: bitcast
12; CHECK-NEXT: ret i64 addrspace(1)*
13; A base vector from a argument
14entry:
15  call void @do_safepoint() [ "deopt"() ]
16  ret i64 addrspace(1)* %obj
17}
18
19; A vector argument
20define <2 x i64 addrspace(1)*> @test2(<2 x i64 addrspace(1)*> %obj) gc "statepoint-example" {
21; CHECK-LABEL: test2
22; CHECK-NEXT: gc.statepoint
23; CHECK-NEXT: gc.relocate
24; CHECK-NEXT: bitcast
25; CHECK-NEXT: ret <2 x i64 addrspace(1)*>
26  call void @do_safepoint() [ "deopt"() ]
27  ret <2 x i64 addrspace(1)*> %obj
28}
29
30; A load
31define <2 x i64 addrspace(1)*> @test3(<2 x i64 addrspace(1)*>* %ptr) gc "statepoint-example" {
32; CHECK-LABEL: test3
33; CHECK: load
34; CHECK-NEXT: gc.statepoint
35; CHECK-NEXT: gc.relocate
36; CHECK-NEXT: bitcast
37; CHECK-NEXT: ret <2 x i64 addrspace(1)*>
38entry:
39  %obj = load <2 x i64 addrspace(1)*>, <2 x i64 addrspace(1)*>* %ptr
40  call void @do_safepoint() [ "deopt"() ]
41  ret <2 x i64 addrspace(1)*> %obj
42}
43
44declare i32 @fake_personality_function()
45
46; When a statepoint is an invoke rather than a call
47define <2 x i64 addrspace(1)*> @test4(<2 x i64 addrspace(1)*>* %ptr) gc "statepoint-example" personality i32 ()* @fake_personality_function {
48; CHECK-LABEL: test4
49; CHECK: load
50; CHECK-NEXT: gc.statepoint
51entry:
52  %obj = load <2 x i64 addrspace(1)*>, <2 x i64 addrspace(1)*>* %ptr
53  invoke void @do_safepoint() [ "deopt"() ]
54          to label %normal_return unwind label %exceptional_return
55
56normal_return:                                    ; preds = %entry
57; CHECK-LABEL: normal_return:
58; CHECK: gc.relocate
59; CHECK-NEXT: bitcast
60; CHECK-NEXT: ret <2 x i64 addrspace(1)*>
61  ret <2 x i64 addrspace(1)*> %obj
62
63exceptional_return:                               ; preds = %entry
64; CHECK-LABEL: exceptional_return:
65; CHECK: gc.relocate
66; CHECK-NEXT: bitcast
67; CHECK-NEXT: ret <2 x i64 addrspace(1)*>
68  %landing_pad4 = landingpad token
69          cleanup
70  ret <2 x i64 addrspace(1)*> %obj
71}
72
73; A newly created vector
74define <2 x i64 addrspace(1)*> @test5(i64 addrspace(1)* %p) gc "statepoint-example" {
75; CHECK-LABEL: test5
76; CHECK: insertelement
77; CHECK-NEXT: insertelement
78; CHECK-NEXT: gc.statepoint
79; CHECK-NEXT: gc.relocate
80; CHECK-NEXT: bitcast
81; CHECK-NEXT: gc.relocate
82; CHECK-NEXT: bitcast
83; CHECK-NEXT: ret <2 x i64 addrspace(1)*> %vec.relocated.casted
84entry:
85  %vec = insertelement <2 x i64 addrspace(1)*> undef, i64 addrspace(1)* %p, i32 0
86  call void @do_safepoint() [ "deopt"() ]
87  ret <2 x i64 addrspace(1)*> %vec
88}
89
90; A merge point
91define <2 x i64 addrspace(1)*> @test6(i1 %cnd, <2 x i64 addrspace(1)*>* %ptr) gc "statepoint-example" {
92; CHECK-LABEL: test6
93entry:
94  br i1 %cnd, label %taken, label %untaken
95
96taken:                                            ; preds = %entry
97  %obja = load <2 x i64 addrspace(1)*>, <2 x i64 addrspace(1)*>* %ptr
98  br label %merge
99
100untaken:                                          ; preds = %entry
101  %objb = load <2 x i64 addrspace(1)*>, <2 x i64 addrspace(1)*>* %ptr
102  br label %merge
103
104merge:                                            ; preds = %untaken, %taken
105; CHECK-LABEL: merge:
106; CHECK-NEXT: = phi
107; CHECK-NEXT: = phi
108; CHECK-NEXT: gc.statepoint
109; CHECK-NEXT: gc.relocate
110; CHECK-NEXT: bitcast
111; CHECK-NEXT: gc.relocate
112; CHECK-NEXT: bitcast
113; CHECK-NEXT: ret <2 x i64 addrspace(1)*>
114  %obj = phi <2 x i64 addrspace(1)*> [ %obja, %taken ], [ %objb, %untaken ]
115  call void @do_safepoint() [ "deopt"() ]
116  ret <2 x i64 addrspace(1)*> %obj
117}
118
119declare void @do_safepoint()
120