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1; Test that we can correctly handle vectors of pointers in statepoint
2; rewriting.  Currently, we scalarize, but that's an implementation detail.
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)* %obj.relocated.casted
12entry:
13  %safepoint_token = call i32 (i64, i32, void ()*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_isVoidf(i64 0, i32 0, void ()* @do_safepoint, i32 0, i32 0, i32 0, i32 0)
14  ret i64 addrspace(1)* %obj
15}
16
17; A base vector from a argument
18define <2 x i64 addrspace(1)*> @test2(<2 x i64 addrspace(1)*> %obj) gc "statepoint-example" {
19; CHECK-LABEL: test2
20; CHECK: extractelement
21; CHECK-NEXT: extractelement
22; CHECK-NEXT: gc.statepoint
23; CHECK-NEXT: gc.relocate
24; CHECK-NEXT: bitcast
25; CHECK-NEXT: gc.relocate
26; CHECK-NEXT: bitcast
27; CHECK-NEXT: insertelement
28; CHECK-NEXT: insertelement
29; CHECK-NEXT: ret <2 x i64 addrspace(1)*> %7
30entry:
31  %safepoint_token = call i32 (i64, i32, void ()*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_isVoidf(i64 0, i32 0, void ()* @do_safepoint, i32 0, i32 0, i32 0, i32 0)
32  ret <2 x i64 addrspace(1)*> %obj
33}
34
35; A base vector from a load
36define <2 x i64 addrspace(1)*> @test3(<2 x i64 addrspace(1)*>* %ptr) gc "statepoint-example" {
37; CHECK-LABEL: test3
38; CHECK: load
39; CHECK-NEXT: extractelement
40; CHECK-NEXT: extractelement
41; CHECK-NEXT: gc.statepoint
42; CHECK-NEXT: gc.relocate
43; CHECK-NEXT: bitcast
44; CHECK-NEXT: gc.relocate
45; CHECK-NEXT: bitcast
46; CHECK-NEXT: insertelement
47; CHECK-NEXT: insertelement
48; CHECK-NEXT: ret <2 x i64 addrspace(1)*> %7
49entry:
50  %obj = load <2 x i64 addrspace(1)*>, <2 x i64 addrspace(1)*>* %ptr
51  %safepoint_token = call i32 (i64, i32, void ()*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_isVoidf(i64 0, i32 0, void ()* @do_safepoint, i32 0, i32 0, i32 0, i32 0)
52  ret <2 x i64 addrspace(1)*> %obj
53}
54
55declare i32 @fake_personality_function()
56
57; When a statepoint is an invoke rather than a call
58define <2 x i64 addrspace(1)*> @test4(<2 x i64 addrspace(1)*>* %ptr) gc "statepoint-example" personality i32 ()* @fake_personality_function {
59; CHECK-LABEL: test4
60; CHECK: load
61; CHECK-NEXT: extractelement
62; CHECK-NEXT: extractelement
63; CHECK-NEXT: gc.statepoint
64entry:
65  %obj = load <2 x i64 addrspace(1)*>, <2 x i64 addrspace(1)*>* %ptr
66  invoke i32 (i64, i32, void ()*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_isVoidf(i64 0, i32 0, void ()* @do_safepoint, i32 0, i32 0, i32 0, i32 0)
67          to label %normal_return unwind label %exceptional_return
68
69; CHECK-LABEL: normal_return:
70; CHECK: gc.relocate
71; CHECK-NEXT: bitcast
72; CHECK-NEXT: gc.relocate
73; CHECK-NEXT: bitcast
74; CHECK-NEXT: insertelement
75; CHECK-NEXT: insertelement
76; CHECK-NEXT: ret <2 x i64 addrspace(1)*> %8
77normal_return:                                    ; preds = %entry
78  ret <2 x i64 addrspace(1)*> %obj
79
80; CHECK-LABEL: exceptional_return:
81; CHECK: gc.relocate
82; CHECK-NEXT: bitcast
83; CHECK-NEXT: gc.relocate
84; CHECK-NEXT: bitcast
85; CHECK-NEXT: insertelement
86; CHECK-NEXT: insertelement
87; CHECK-NEXT: ret <2 x i64 addrspace(1)*> %14
88exceptional_return:                               ; preds = %entry
89  %landing_pad4 = landingpad { i8*, i32 }
90          cleanup
91  ret <2 x i64 addrspace(1)*> %obj
92}
93
94; Can we handle an insert element with a constant offset?  This effectively
95; tests both the equal and inequal case since we have to relocate both indices
96; in the vector.
97define <2 x i64 addrspace(1)*> @test5(i64 addrspace(1)* %p)
98     gc "statepoint-example" {
99; CHECK-LABEL: test5
100; CHECK: insertelement
101; CHECK-NEXT: extractelement
102; CHECK-NEXT: extractelement
103; CHECK-NEXT: gc.statepoint
104; CHECK-NEXT: gc.relocate
105; CHECK-NEXT: bitcast
106; CHECK-NEXT: gc.relocate
107; CHECK-NEXT: bitcast
108; CHECK-NEXT: insertelement
109; CHECK-NEXT: insertelement
110; CHECK-NEXT: ret <2 x i64 addrspace(1)*> %7
111entry:
112  %vec = insertelement <2 x i64 addrspace(1)*> undef, i64 addrspace(1)* %p, i32 0
113  %safepoint_token = call i32 (i64, i32, void ()*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_isVoidf(i64 0, i32 0, void ()* @do_safepoint, i32 0, i32 0, i32 0, i32 0)
114  ret <2 x i64 addrspace(1)*> %vec
115}
116
117
118; A base vector from a load
119define <2 x i64 addrspace(1)*> @test6(i1 %cnd, <2 x i64 addrspace(1)*>* %ptr)
120    gc "statepoint-example" {
121; CHECK-LABEL: test6
122; CHECK-LABEL: merge:
123; CHECK-NEXT: = phi
124; CHECK-NEXT: extractelement
125; CHECK-NEXT: extractelement
126; CHECK-NEXT: gc.statepoint
127; CHECK-NEXT: gc.relocate
128; CHECK-NEXT: bitcast
129; CHECK-NEXT: gc.relocate
130; CHECK-NEXT: bitcast
131; CHECK-NEXT: insertelement
132; CHECK-NEXT: insertelement
133; CHECK-NEXT: ret <2 x i64 addrspace(1)*>
134entry:
135  br i1 %cnd, label %taken, label %untaken
136taken:
137  %obja = load <2 x i64 addrspace(1)*>, <2 x i64 addrspace(1)*>* %ptr
138  br label %merge
139untaken:
140  %objb = load <2 x i64 addrspace(1)*>, <2 x i64 addrspace(1)*>* %ptr
141  br label %merge
142
143merge:
144  %obj = phi <2 x i64 addrspace(1)*> [%obja, %taken], [%objb, %untaken]
145  %safepoint_token = call i32 (i64, i32, void ()*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_isVoidf(i64 0, i32 0, void ()* @do_safepoint, i32 0, i32 0, i32 0, i32 0)
146  ret <2 x i64 addrspace(1)*> %obj
147}
148
149
150declare void @do_safepoint()
151
152declare i32 @llvm.experimental.gc.statepoint.p0f_isVoidf(i64, i32, void ()*, i32, i32, ...)
153