1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
|
; Test that we can correctly handle vectors of pointers in statepoint
; rewriting. Currently, we scalarize, but that's an implementation detail.
; RUN: opt %s -rewrite-statepoints-for-gc -S | FileCheck %s
; A non-vector relocation for comparison
define i64 addrspace(1)* @test(i64 addrspace(1)* %obj) gc "statepoint-example" {
; CHECK-LABEL: test
; CHECK: gc.statepoint
; CHECK-NEXT: gc.relocate
; CHECK-NEXT: ret i64 addrspace(1)* %obj.relocated
entry:
%safepoint_token = call i32 (void ()*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_isVoidf(void ()* @do_safepoint, i32 0, i32 0, i32 0)
ret i64 addrspace(1)* %obj
}
; A base vector from a argument
define <2 x i64 addrspace(1)*> @test2(<2 x i64 addrspace(1)*> %obj) gc "statepoint-example" {
; CHECK-LABEL: test2
; CHECK: extractelement
; CHECK-NEXT: extractelement
; CHECK-NEXT: gc.statepoint
; CHECK-NEXT: gc.relocate
; CHECK-NEXT: gc.relocate
; CHECK-NEXT: insertelement
; CHECK-NEXT: insertelement
; CHECK-NEXT: ret <2 x i64 addrspace(1)*> %5
entry:
%safepoint_token = call i32 (void ()*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_isVoidf(void ()* @do_safepoint, i32 0, i32 0, i32 0)
ret <2 x i64 addrspace(1)*> %obj
}
; A base vector from a load
define <2 x i64 addrspace(1)*> @test3(<2 x i64 addrspace(1)*>* %ptr) gc "statepoint-example" {
; CHECK-LABEL: test3
; CHECK: load
; CHECK-NEXT: extractelement
; CHECK-NEXT: extractelement
; CHECK-NEXT: gc.statepoint
; CHECK-NEXT: gc.relocate
; CHECK-NEXT: gc.relocate
; CHECK-NEXT: insertelement
; CHECK-NEXT: insertelement
; CHECK-NEXT: ret <2 x i64 addrspace(1)*> %5
entry:
%obj = load <2 x i64 addrspace(1)*>, <2 x i64 addrspace(1)*>* %ptr
%safepoint_token = call i32 (void ()*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_isVoidf(void ()* @do_safepoint, i32 0, i32 0, i32 0)
ret <2 x i64 addrspace(1)*> %obj
}
declare i32 @fake_personality_function()
; When a statepoint is an invoke rather than a call
define <2 x i64 addrspace(1)*> @test4(<2 x i64 addrspace(1)*>* %ptr) gc "statepoint-example" {
; CHECK-LABEL: test4
; CHECK: load
; CHECK-NEXT: extractelement
; CHECK-NEXT: extractelement
; CHECK-NEXT: gc.statepoint
entry:
%obj = load <2 x i64 addrspace(1)*>, <2 x i64 addrspace(1)*>* %ptr
invoke i32 (void ()*, i32, i32, ...)* @llvm.experimental.gc.statepoint.p0f_isVoidf(void ()* @do_safepoint, i32 0, i32 0, i32 0)
to label %normal_return unwind label %exceptional_return
; CHECK-LABEL: normal_return:
; CHECK: gc.relocate
; CHECK-NEXT: gc.relocate
; CHECK-NEXT: insertelement
; CHECK-NEXT: insertelement
; CHECK-NEXT: ret <2 x i64 addrspace(1)*> %6
normal_return: ; preds = %entry
ret <2 x i64 addrspace(1)*> %obj
; CHECK-LABEL: exceptional_return:
; CHECK: gc.relocate
; CHECK-NEXT: gc.relocate
; CHECK-NEXT: insertelement
; CHECK-NEXT: insertelement
; CHECK-NEXT: ret <2 x i64 addrspace(1)*> %10
exceptional_return: ; preds = %entry
%landing_pad4 = landingpad { i8*, i32 } personality i32 ()* @fake_personality_function
cleanup
ret <2 x i64 addrspace(1)*> %obj
}
declare void @do_safepoint()
declare i32 @llvm.experimental.gc.statepoint.p0f_isVoidf(void ()*, i32, i32, ...)
|
