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
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
|
; RUN: llc < %s | FileCheck %s
; This test is a sanity check to ensure statepoints are generating StackMap
; sections correctly. This is not intended to be a rigorous test of the
; StackMap format (see the stackmap tests for that).
target datalayout = "e-i64:64-f80:128-n8:16:32:64-S128"
target triple = "x86_64-pc-linux-gnu"
declare zeroext i1 @return_i1()
define i1 @test(i32 addrspace(1)* %ptr) gc "statepoint-example" {
; CHECK-LABEL: test
; Do we see one spill for the local value and the store to the
; alloca?
; CHECK: subq $24, %rsp
; CHECK: movq $0, 8(%rsp)
; CHECK: movq %rdi, (%rsp)
; CHECK: callq return_i1
; CHECK: addq $24, %rsp
; CHECK: retq
entry:
%metadata1 = alloca i32 addrspace(1)*, i32 2, align 8
store i32 addrspace(1)* null, i32 addrspace(1)** %metadata1
%safepoint_token = tail call i32 (i1 ()*, i32, i32, ...)* @llvm.experimental.gc.statepoint.p0f_i1f(i1 ()* @return_i1, i32 0, i32 0, i32 2, i32 addrspace(1)* %ptr, i32 addrspace(1)* null, i32 addrspace(1)* %ptr, i32 addrspace(1)* null)
%call1 = call zeroext i1 @llvm.experimental.gc.result.i1(i32 %safepoint_token)
%a = call i32 addrspace(1)* @llvm.experimental.gc.relocate.p1i32(i32 %safepoint_token, i32 6, i32 6)
%b = call i32 addrspace(1)* @llvm.experimental.gc.relocate.p1i32(i32 %safepoint_token, i32 7, i32 7)
;
ret i1 %call1
}
declare i32 @llvm.experimental.gc.statepoint.p0f_i1f(i1 ()*, i32, i32, ...)
declare i1 @llvm.experimental.gc.result.i1(i32)
declare i32 addrspace(1)* @llvm.experimental.gc.relocate.p1i32(i32, i32, i32) #3
; CHECK-LABEL: .section .llvm_stackmaps
; CHECK-NEXT: __LLVM_StackMaps:
; Header
; CHECK-NEXT: .byte 1
; CHECK-NEXT: .byte 0
; CHECK-NEXT: .short 0
; Num Functions
; CHECK-NEXT: .long 1
; Num LargeConstants
; CHECK-NEXT: .long 0
; Num Callsites
; CHECK-NEXT: .long 1
; Functions and stack size
; CHECK-NEXT: .quad test
; CHECK-NEXT: .quad 24
; Large Constants
; Statepoint ID only
; CHECK: .quad 2882400000
; Callsites
; Constant arguments
; CHECK: .long .Ltmp1-test
; CHECK: .short 0
; CHECK: .short 8
; SmallConstant (0)
; CHECK: .byte 4
; CHECK: .byte 8
; CHECK: .short 0
; CHECK: .long 0
; SmallConstant (2)
; CHECK: .byte 4
; CHECK: .byte 8
; CHECK: .short 0
; CHECK: .long 2
; Direct Spill Slot [RSP+0]
; CHECK: .byte 2
; CHECK: .byte 8
; CHECK: .short 7
; CHECK: .long 0
; SmallConstant (0)
; CHECK: .byte 4
; CHECK: .byte 8
; CHECK: .short 0
; CHECK: .long 0
; SmallConstant (0)
; CHECK: .byte 4
; CHECK: .byte 8
; CHECK: .short 0
; CHECK: .long 0
; SmallConstant (0)
; CHECK: .byte 4
; CHECK: .byte 8
; CHECK: .short 0
; CHECK: .long 0
; Direct Spill Slot [RSP+0]
; CHECK: .byte 2
; CHECK: .byte 8
; CHECK: .short 7
; CHECK: .long 0
; Direct Spill Slot [RSP+0]
; CHECK: .byte 2
; CHECK: .byte 8
; CHECK: .short 7
; CHECK: .long 0
; No Padding or LiveOuts
; CHECK: .short 0
; CHECK: .short 0
; CHECK: .align 8
|
