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