• Home
  • Line#
  • Scopes#
  • Navigate#
  • Raw
  • Download
1; RUN: llc -mtriple=x86_64-unknown-linux < %s | FileCheck %s
2
3@g = external global i8
4
5declare void @f0()
6declare void @f1()
7declare void @f2()
8declare void @f3()
9declare void @f4()
10declare void @f5()
11declare void @f6()
12declare void @f7()
13declare void @f8()
14declare void @f9()
15
16declare void @llvm.icall.branch.funnel(...)
17
18define void @jt2(i8* nest, ...) {
19  ; CHECK: jt2:
20  ; CHECK:      leaq g+1(%rip), %r11
21  ; CHECK-NEXT: cmpq %r11, %r10
22  ; CHECK-NEXT: jae .LBB0_1
23  ; CHECK-NEXT: #
24  ; CHECK-NEXT: jmp f0
25  ; CHECK-NEXT: .LBB0_1:
26  ; CHECK-NEXT: jmp f1
27  musttail call void (...) @llvm.icall.branch.funnel(
28      i8* %0,
29      i8* getelementptr (i8, i8* @g, i64 0), void ()* @f0,
30      i8* getelementptr (i8, i8* @g, i64 1), void ()* @f1,
31      ...
32  )
33  ret void
34}
35
36define void @jt3(i8* nest, ...) {
37  ; CHECK: jt3:
38  ; CHECK:      leaq g+1(%rip), %r11
39  ; CHECK-NEXT: cmpq %r11, %r10
40  ; CHECK-NEXT: jae .LBB1_1
41  ; CHECK-NEXT: #
42  ; CHECK-NEXT: jmp f0
43  ; CHECK-NEXT: .LBB1_1:
44  ; CHECK-NEXT: jne .LBB1_2
45  ; CHECK-NEXT: #
46  ; CHECK-NEXT: jmp f1
47  ; CHECK-NEXT: .LBB1_2:
48  ; CHECK-NEXT: jmp f2
49  musttail call void (...) @llvm.icall.branch.funnel(
50      i8* %0,
51      i8* getelementptr (i8, i8* @g, i64 0), void ()* @f0,
52      i8* getelementptr (i8, i8* @g, i64 2), void ()* @f2,
53      i8* getelementptr (i8, i8* @g, i64 1), void ()* @f1,
54      ...
55  )
56  ret void
57}
58
59define void @jt7(i8* nest, ...) {
60  ; CHECK: jt7:
61  ; CHECK:      leaq g+3(%rip), %r11
62  ; CHECK-NEXT: cmpq %r11, %r10
63  ; CHECK-NEXT: jae .LBB2_1
64  ; CHECK-NEXT: #
65  ; CHECK-NEXT: leaq g+1(%rip), %r11
66  ; CHECK-NEXT: cmpq %r11, %r10
67  ; CHECK-NEXT: jae .LBB2_6
68  ; CHECK-NEXT: #
69  ; CHECK-NEXT: jmp f0
70  ; CHECK-NEXT: .LBB2_1:
71  ; CHECK-NEXT: jne .LBB2_2
72  ; CHECK-NEXT: #
73  ; CHECK-NEXT: jmp f3
74  ; CHECK-NEXT: .LBB2_6:
75  ; CHECK-NEXT: jne .LBB2_7
76  ; CHECK-NEXT: #
77  ; CHECK-NEXT: jmp f1
78  ; CHECK-NEXT: .LBB2_2:
79  ; CHECK-NEXT: leaq g+5(%rip), %r11
80  ; CHECK-NEXT: cmpq %r11, %r10
81  ; CHECK-NEXT: jae .LBB2_3
82  ; CHECK-NEXT: #
83  ; CHECK-NEXT: jmp f4
84  ; CHECK-NEXT: .LBB2_7:
85  ; CHECK-NEXT: jmp f2
86  ; CHECK-NEXT: .LBB2_3:
87  ; CHECK-NEXT: jne .LBB2_4
88  ; CHECK-NEXT: #
89  ; CHECK-NEXT: jmp f5
90  ; CHECK-NEXT: .LBB2_4:
91  ; CHECK-NEXT: jmp f6
92  musttail call void (...) @llvm.icall.branch.funnel(
93      i8* %0,
94      i8* getelementptr (i8, i8* @g, i64 0), void ()* @f0,
95      i8* getelementptr (i8, i8* @g, i64 1), void ()* @f1,
96      i8* getelementptr (i8, i8* @g, i64 2), void ()* @f2,
97      i8* getelementptr (i8, i8* @g, i64 3), void ()* @f3,
98      i8* getelementptr (i8, i8* @g, i64 4), void ()* @f4,
99      i8* getelementptr (i8, i8* @g, i64 5), void ()* @f5,
100      i8* getelementptr (i8, i8* @g, i64 6), void ()* @f6,
101      ...
102  )
103  ret void
104}
105
106define void @jt10(i8* nest, ...) {
107  ; CHECK: jt10:
108  ; CHECK:      leaq g+5(%rip), %r11
109  ; CHECK-NEXT: cmpq %r11, %r10
110  ; CHECK-NEXT: jae .LBB3_1
111  ; CHECK-NEXT: #
112  ; CHECK-NEXT: leaq g+1(%rip), %r11
113  ; CHECK-NEXT: cmpq %r11, %r10
114  ; CHECK-NEXT: jae .LBB3_7
115  ; CHECK-NEXT: #
116  ; CHECK-NEXT: jmp f0
117  ; CHECK-NEXT: .LBB3_1:
118  ; CHECK-NEXT: jne .LBB3_2
119  ; CHECK-NEXT: #
120  ; CHECK-NEXT: jmp f5
121  ; CHECK-NEXT: .LBB3_7:
122  ; CHECK-NEXT: jne .LBB3_8
123  ; CHECK-NEXT: #
124  ; CHECK-NEXT: jmp f1
125  ; CHECK-NEXT: .LBB3_2:
126  ; CHECK-NEXT: leaq g+7(%rip), %r11
127  ; CHECK-NEXT: cmpq %r11, %r10
128  ; CHECK-NEXT: jae .LBB3_3
129  ; CHECK-NEXT: #
130  ; CHECK-NEXT: jmp f6
131  ; CHECK-NEXT: .LBB3_8:
132  ; CHECK-NEXT: leaq g+3(%rip), %r11
133  ; CHECK-NEXT: cmpq %r11, %r10
134  ; CHECK-NEXT: jae .LBB3_9
135  ; CHECK-NEXT: #
136  ; CHECK-NEXT: jmp f2
137  ; CHECK-NEXT: .LBB3_3:
138  ; CHECK-NEXT: jne .LBB3_4
139  ; CHECK-NEXT: #
140  ; CHECK-NEXT: jmp f7
141  ; CHECK-NEXT: .LBB3_9:
142  ; CHECK-NEXT: jne .LBB3_10
143  ; CHECK-NEXT: #
144  ; CHECK-NEXT: jmp f3
145  ; CHECK-NEXT: .LBB3_4:
146  ; CHECK-NEXT: leaq g+9(%rip), %r11
147  ; CHECK-NEXT: cmpq %r11, %r10
148  ; CHECK-NEXT: jae .LBB3_5
149  ; CHECK-NEXT: #
150  ; CHECK-NEXT: jmp f8
151  ; CHECK-NEXT: .LBB3_10:
152  ; CHECK-NEXT: jmp f4
153  ; CHECK-NEXT: .LBB3_5:
154  ; CHECK-NEXT: jmp f9
155  musttail call void (...) @llvm.icall.branch.funnel(
156      i8* %0,
157      i8* getelementptr (i8, i8* @g, i64 0), void ()* @f0,
158      i8* getelementptr (i8, i8* @g, i64 1), void ()* @f1,
159      i8* getelementptr (i8, i8* @g, i64 2), void ()* @f2,
160      i8* getelementptr (i8, i8* @g, i64 3), void ()* @f3,
161      i8* getelementptr (i8, i8* @g, i64 4), void ()* @f4,
162      i8* getelementptr (i8, i8* @g, i64 5), void ()* @f5,
163      i8* getelementptr (i8, i8* @g, i64 6), void ()* @f6,
164      i8* getelementptr (i8, i8* @g, i64 7), void ()* @f7,
165      i8* getelementptr (i8, i8* @g, i64 8), void ()* @f8,
166      i8* getelementptr (i8, i8* @g, i64 9), void ()* @f9,
167      ...
168  )
169  ret void
170}
171