1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
2; Test that we can correctly handle vectors of pointers in statepoint
3; rewriting.
4; RUN: opt < %s -rewrite-statepoints-for-gc -S | FileCheck  %s
5; RUN: opt < %s -passes=rewrite-statepoints-for-gc -S | FileCheck  %s
6
7; A non-vector relocation for comparison
8define i64 addrspace(1)* @test(i64 addrspace(1)* %obj) gc "statepoint-example" {
9; CHECK-LABEL: @test(
10; CHECK-NEXT:  entry:
11; CHECK-NEXT:    [[STATEPOINT_TOKEN:%.*]] = call token (i64, i32, void ()*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_isVoidf(i64 2882400000, i32 0, void ()* elementtype(void ()) @do_safepoint, i32 0, i32 0, i32 0, i32 0) [ "deopt"(), "gc-live"(i64 addrspace(1)* [[OBJ:%.*]]) ]
12; CHECK-NEXT:    [[OBJ_RELOCATED:%.*]] = call coldcc i8 addrspace(1)* @llvm.experimental.gc.relocate.p1i8(token [[STATEPOINT_TOKEN]], i32 0, i32 0)
13; CHECK-NEXT:    [[OBJ_RELOCATED_CASTED:%.*]] = bitcast i8 addrspace(1)* [[OBJ_RELOCATED]] to i64 addrspace(1)*
14; CHECK-NEXT:    ret i64 addrspace(1)* [[OBJ_RELOCATED_CASTED]]
15;
16; A base vector from a argument
17entry:
18  call void @do_safepoint() [ "deopt"() ]
19  ret i64 addrspace(1)* %obj
20}
21
22; A vector argument
23define <2 x i64 addrspace(1)*> @test2(<2 x i64 addrspace(1)*> %obj) gc "statepoint-example" {
24; CHECK-LABEL: @test2(
25; CHECK-NEXT:    [[STATEPOINT_TOKEN:%.*]] = call token (i64, i32, void ()*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_isVoidf(i64 2882400000, i32 0, void ()* elementtype(void ()) @do_safepoint, i32 0, i32 0, i32 0, i32 0) [ "deopt"(), "gc-live"(<2 x i64 addrspace(1)*> [[OBJ:%.*]]) ]
26; CHECK-NEXT:    [[OBJ_RELOCATED:%.*]] = call coldcc <2 x i8 addrspace(1)*> @llvm.experimental.gc.relocate.v2p1i8(token [[STATEPOINT_TOKEN]], i32 0, i32 0)
27; CHECK-NEXT:    [[OBJ_RELOCATED_CASTED:%.*]] = bitcast <2 x i8 addrspace(1)*> [[OBJ_RELOCATED]] to <2 x i64 addrspace(1)*>
28; CHECK-NEXT:    ret <2 x i64 addrspace(1)*> [[OBJ_RELOCATED_CASTED]]
29;
30  call void @do_safepoint() [ "deopt"() ]
31  ret <2 x i64 addrspace(1)*> %obj
32}
33
34; A load
35define <2 x i64 addrspace(1)*> @test3(<2 x i64 addrspace(1)*>* %ptr) gc "statepoint-example" {
36; CHECK-LABEL: @test3(
37; CHECK-NEXT:  entry:
38; CHECK-NEXT:    [[OBJ:%.*]] = load <2 x i64 addrspace(1)*>, <2 x i64 addrspace(1)*>* [[PTR:%.*]], align 16
39; CHECK-NEXT:    [[STATEPOINT_TOKEN:%.*]] = call token (i64, i32, void ()*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_isVoidf(i64 2882400000, i32 0, void ()* elementtype(void ()) @do_safepoint, i32 0, i32 0, i32 0, i32 0) [ "deopt"(), "gc-live"(<2 x i64 addrspace(1)*> [[OBJ]]) ]
40; CHECK-NEXT:    [[OBJ_RELOCATED:%.*]] = call coldcc <2 x i8 addrspace(1)*> @llvm.experimental.gc.relocate.v2p1i8(token [[STATEPOINT_TOKEN]], i32 0, i32 0)
41; CHECK-NEXT:    [[OBJ_RELOCATED_CASTED:%.*]] = bitcast <2 x i8 addrspace(1)*> [[OBJ_RELOCATED]] to <2 x i64 addrspace(1)*>
42; CHECK-NEXT:    ret <2 x i64 addrspace(1)*> [[OBJ_RELOCATED_CASTED]]
43;
44entry:
45  %obj = load <2 x i64 addrspace(1)*>, <2 x i64 addrspace(1)*>* %ptr
46  call void @do_safepoint() [ "deopt"() ]
47  ret <2 x i64 addrspace(1)*> %obj
48}
49
50declare i32 @fake_personality_function()
51
52; When a statepoint is an invoke rather than a call
53define <2 x i64 addrspace(1)*> @test4(<2 x i64 addrspace(1)*>* %ptr) gc "statepoint-example" personality i32 ()* @fake_personality_function {
54; CHECK-LABEL: @test4(
55; CHECK-NEXT:  entry:
56; CHECK-NEXT:    [[OBJ:%.*]] = load <2 x i64 addrspace(1)*>, <2 x i64 addrspace(1)*>* [[PTR:%.*]], align 16
57; CHECK-NEXT:    [[STATEPOINT_TOKEN:%.*]] = invoke token (i64, i32, void ()*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_isVoidf(i64 2882400000, i32 0, void ()* elementtype(void ()) @do_safepoint, i32 0, i32 0, i32 0, i32 0) [ "deopt"(), "gc-live"(<2 x i64 addrspace(1)*> [[OBJ]]) ]
58; CHECK-NEXT:    to label [[NORMAL_RETURN:%.*]] unwind label [[EXCEPTIONAL_RETURN:%.*]]
59; CHECK:       normal_return:
60; CHECK-NEXT:    [[OBJ_RELOCATED1:%.*]] = call coldcc <2 x i8 addrspace(1)*> @llvm.experimental.gc.relocate.v2p1i8(token [[STATEPOINT_TOKEN]], i32 0, i32 0)
61; CHECK-NEXT:    [[OBJ_RELOCATED1_CASTED:%.*]] = bitcast <2 x i8 addrspace(1)*> [[OBJ_RELOCATED1]] to <2 x i64 addrspace(1)*>
62; CHECK-NEXT:    ret <2 x i64 addrspace(1)*> [[OBJ_RELOCATED1_CASTED]]
63; CHECK:       exceptional_return:
64; CHECK-NEXT:    [[LANDING_PAD4:%.*]] = landingpad token
65; CHECK-NEXT:    cleanup
66; CHECK-NEXT:    [[OBJ_RELOCATED:%.*]] = call coldcc <2 x i8 addrspace(1)*> @llvm.experimental.gc.relocate.v2p1i8(token [[LANDING_PAD4]], i32 0, i32 0)
67; CHECK-NEXT:    [[OBJ_RELOCATED_CASTED:%.*]] = bitcast <2 x i8 addrspace(1)*> [[OBJ_RELOCATED]] to <2 x i64 addrspace(1)*>
68; CHECK-NEXT:    ret <2 x i64 addrspace(1)*> [[OBJ_RELOCATED_CASTED]]
69;
70entry:
71  %obj = load <2 x i64 addrspace(1)*>, <2 x i64 addrspace(1)*>* %ptr
72  invoke void @do_safepoint() [ "deopt"() ]
73  to label %normal_return unwind label %exceptional_return
74
75normal_return:                                    ; preds = %entry
76  ret <2 x i64 addrspace(1)*> %obj
77
78exceptional_return:                               ; preds = %entry
79  %landing_pad4 = landingpad token
80  cleanup
81  ret <2 x i64 addrspace(1)*> %obj
82}
83
84; A newly created vector
85define <2 x i64 addrspace(1)*> @test5(i64 addrspace(1)* %p) gc "statepoint-example" {
86; CHECK-LABEL: @test5(
87; CHECK-NEXT:  entry:
88; CHECK-NEXT:    [[VEC_BASE:%.*]] = insertelement <2 x i64 addrspace(1)*> zeroinitializer, i64 addrspace(1)* [[P:%.*]], i32 0, !is_base_value !0
89; CHECK-NEXT:    [[VEC:%.*]] = insertelement <2 x i64 addrspace(1)*> undef, i64 addrspace(1)* [[P]], i32 0
90; CHECK-NEXT:    [[STATEPOINT_TOKEN:%.*]] = call token (i64, i32, void ()*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_isVoidf(i64 2882400000, i32 0, void ()* elementtype(void ()) @do_safepoint, i32 0, i32 0, i32 0, i32 0) [ "deopt"(), "gc-live"(<2 x i64 addrspace(1)*> [[VEC]], <2 x i64 addrspace(1)*> [[VEC_BASE]]) ]
91; CHECK-NEXT:    [[VEC_RELOCATED:%.*]] = call coldcc <2 x i8 addrspace(1)*> @llvm.experimental.gc.relocate.v2p1i8(token [[STATEPOINT_TOKEN]], i32 1, i32 0)
92; CHECK-NEXT:    [[VEC_RELOCATED_CASTED:%.*]] = bitcast <2 x i8 addrspace(1)*> [[VEC_RELOCATED]] to <2 x i64 addrspace(1)*>
93; CHECK-NEXT:    [[VEC_BASE_RELOCATED:%.*]] = call coldcc <2 x i8 addrspace(1)*> @llvm.experimental.gc.relocate.v2p1i8(token [[STATEPOINT_TOKEN]], i32 1, i32 1)
94; CHECK-NEXT:    [[VEC_BASE_RELOCATED_CASTED:%.*]] = bitcast <2 x i8 addrspace(1)*> [[VEC_BASE_RELOCATED]] to <2 x i64 addrspace(1)*>
95; CHECK-NEXT:    ret <2 x i64 addrspace(1)*> [[VEC_RELOCATED_CASTED]]
96;
97entry:
98  %vec = insertelement <2 x i64 addrspace(1)*> undef, i64 addrspace(1)* %p, i32 0
99  call void @do_safepoint() [ "deopt"() ]
100  ret <2 x i64 addrspace(1)*> %vec
101}
102
103; A merge point
104define <2 x i64 addrspace(1)*> @test6(i1 %cnd, <2 x i64 addrspace(1)*>* %ptr) gc "statepoint-example" {
105; CHECK-LABEL: @test6(
106; CHECK-NEXT:  entry:
107; CHECK-NEXT:    br i1 [[CND:%.*]], label [[TAKEN:%.*]], label [[UNTAKEN:%.*]]
108; CHECK:       taken:
109; CHECK-NEXT:    [[OBJA:%.*]] = load <2 x i64 addrspace(1)*>, <2 x i64 addrspace(1)*>* [[PTR:%.*]], align 16
110; CHECK-NEXT:    br label [[MERGE:%.*]]
111; CHECK:       untaken:
112; CHECK-NEXT:    [[OBJB:%.*]] = load <2 x i64 addrspace(1)*>, <2 x i64 addrspace(1)*>* [[PTR]], align 16
113; CHECK-NEXT:    br label [[MERGE]]
114; CHECK:       merge:
115; CHECK-NEXT:    [[OBJ:%.*]] = phi <2 x i64 addrspace(1)*> [ [[OBJA]], [[TAKEN]] ], [ [[OBJB]], [[UNTAKEN]] ]
116; CHECK-NEXT:    [[STATEPOINT_TOKEN:%.*]] = call token (i64, i32, void ()*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_isVoidf(i64 2882400000, i32 0, void ()* elementtype(void ()) @do_safepoint, i32 0, i32 0, i32 0, i32 0) [ "deopt"(), "gc-live"(<2 x i64 addrspace(1)*> [[OBJ]]) ]
117; CHECK-NEXT:    [[OBJ_RELOCATED:%.*]] = call coldcc <2 x i8 addrspace(1)*> @llvm.experimental.gc.relocate.v2p1i8(token [[STATEPOINT_TOKEN]], i32 0, i32 0)
118; CHECK-NEXT:    [[OBJ_RELOCATED_CASTED:%.*]] = bitcast <2 x i8 addrspace(1)*> [[OBJ_RELOCATED]] to <2 x i64 addrspace(1)*>
119; CHECK-NEXT:    ret <2 x i64 addrspace(1)*> [[OBJ_RELOCATED_CASTED]]
120;
121entry:
122  br i1 %cnd, label %taken, label %untaken
123
124taken:                                            ; preds = %entry
125  %obja = load <2 x i64 addrspace(1)*>, <2 x i64 addrspace(1)*>* %ptr
126  br label %merge
127
128untaken:                                          ; preds = %entry
129  %objb = load <2 x i64 addrspace(1)*>, <2 x i64 addrspace(1)*>* %ptr
130  br label %merge
131
132merge:                                            ; preds = %untaken, %taken
133  %obj = phi <2 x i64 addrspace(1)*> [ %obja, %taken ], [ %objb, %untaken ]
134  call void @do_safepoint() [ "deopt"() ]
135  ret <2 x i64 addrspace(1)*> %obj
136}
137
138declare void @do_safepoint()
139