xref: /llvm-project/llvm/test/Transforms/WholeProgramDevirt/import-indir.ll (revision dda73336ad22bd0b5ecda17040c50fb10fcbe5fb)
1; Test that we correctly import an indir resolution for type identifier "typeid1".
2; RUN: opt -S -passes=wholeprogramdevirt -wholeprogramdevirt-summary-action=import -wholeprogramdevirt-read-summary=%S/Inputs/import-indir.yaml -wholeprogramdevirt-write-summary=%t < %s | FileCheck %s
3; RUN: FileCheck --check-prefix=SUMMARY %s < %t
4
5; SUMMARY:     GlobalValueMap:
6; SUMMARY-NEXT:  42:
7; SUMMARY-NEXT:    - Linkage:             0
8; SUMMARY-NEXT:      Visibility:          0
9; SUMMARY-NEXT:      NotEligibleToImport: false
10; SUMMARY-NEXT:      Live:                true
11; SUMMARY-NEXT:      Local:               false
12; SUMMARY-NEXT:      CanAutoHide:         false
13; SUMMARY-NEXT:      ImportType:          0
14; SUMMARY-NEXT:      TypeTestAssumeVCalls:
15; SUMMARY-NEXT:        - GUID:            123
16; SUMMARY-NEXT:          Offset:          0
17; SUMMARY-NEXT:        - GUID:            456
18; SUMMARY-NEXT:          Offset:          4
19; SUMMARY-NEXT:      TypeCheckedLoadVCalls:
20; SUMMARY-NEXT:        - GUID:            789
21; SUMMARY-NEXT:          Offset:          8
22; SUMMARY-NEXT:        - GUID:            1234
23; SUMMARY-NEXT:          Offset:          16
24; SUMMARY-NEXT:      TypeTestAssumeConstVCalls:
25; SUMMARY-NEXT:        - VFunc:
26; SUMMARY-NEXT:            GUID:            123
27; SUMMARY-NEXT:            Offset:          4
28; SUMMARY-NEXT:          Args: [ 12, 24 ]
29; SUMMARY-NEXT:      TypeCheckedLoadConstVCalls:
30; SUMMARY-NEXT:        - VFunc:
31; SUMMARY-NEXT:            GUID:            456
32; SUMMARY-NEXT:            Offset:          8
33; SUMMARY-NEXT:          Args: [ 24, 12 ]
34; SUMMARY-NEXT: 43:
35; SUMMARY-NEXT:   - Linkage:                0
36; SUMMARY-NEXT:     Visibility:             0
37; SUMMARY-NEXT:     NotEligibleToImport:   false
38; SUMMARY-NEXT:     Live:                  true
39; SUMMARY-NEXT:     Local:                 false
40; SUMMARY-NEXT:     CanAutoHide:           false
41; SUMMARY-NEXT:     ImportType:            1
42; SUMMARY-NEXT: TypeIdMap:
43; SUMMARY-NEXT:   typeid1:
44; SUMMARY-NEXT:     TTRes:
45; SUMMARY-NEXT:       Kind:            Unknown
46; SUMMARY-NEXT:       SizeM1BitWidth:  0
47; SUMMARY-NEXT:       AlignLog2:       0
48; SUMMARY-NEXT:       SizeM1:          0
49; SUMMARY-NEXT:       BitMask:         0
50; SUMMARY-NEXT:       InlineBits:      0
51; SUMMARY-NEXT:     WPDRes:
52; SUMMARY-NEXT:       0:
53; SUMMARY-NEXT:         Kind:            Indir
54; SUMMARY-NEXT:         SingleImplName:  ''
55; SUMMARY-NEXT:         ResByArg:
56; SUMMARY-NEXT:       4:
57; SUMMARY-NEXT:         Kind:            Indir
58; SUMMARY-NEXT:         SingleImplName:  ''
59; SUMMARY-NEXT:         ResByArg:
60; SUMMARY-NEXT:           :
61; SUMMARY-NEXT:             Kind:            UniformRetVal
62; SUMMARY-NEXT:             Info:            12
63; SUMMARY-NEXT:             Byte:            0
64; SUMMARY-NEXT:             Bit:             0
65; SUMMARY-NEXT:           12:
66; SUMMARY-NEXT:             Kind:            UniformRetVal
67; SUMMARY-NEXT:             Info:            24
68; SUMMARY-NEXT:             Byte:            0
69; SUMMARY-NEXT:             Bit:             0
70; SUMMARY-NEXT:           12,24:
71; SUMMARY-NEXT:             Kind:            UniformRetVal
72; SUMMARY-NEXT:             Info:            48
73; SUMMARY-NEXT:             Byte:            0
74; SUMMARY-NEXT:             Bit:             0
75
76target datalayout = "e-p:32:32"
77
78declare void @llvm.assume(i1)
79declare void @llvm.trap()
80declare {ptr, i1} @llvm.type.checked.load(ptr, i32, metadata)
81declare i1 @llvm.type.test(ptr, metadata)
82
83; CHECK: define i1 @f1
84define i1 @f1(ptr %obj) {
85  %vtable = load ptr, ptr %obj
86  %p = call i1 @llvm.type.test(ptr %vtable, metadata !"typeid1")
87  call void @llvm.assume(i1 %p)
88  %fptr = load ptr, ptr %vtable
89  ; CHECK: call i1 %
90  %result = call i1 %fptr(ptr %obj, i32 5)
91  ret i1 %result
92}
93
94; CHECK: define i1 @f2
95define i1 @f2(ptr %obj) {
96  %vtable = load ptr, ptr %obj
97  %pair = call {ptr, i1} @llvm.type.checked.load(ptr %vtable, i32 4, metadata !"typeid1")
98  %fptr = extractvalue {ptr, i1} %pair, 0
99  %p = extractvalue {ptr, i1} %pair, 1
100  ; CHECK: [[P:%.*]] = call i1 @llvm.type.test
101  ; CHECK: br i1 [[P]]
102  br i1 %p, label %cont, label %trap
103
104cont:
105  ; CHECK: call i1 %
106  %result = call i1 %fptr(ptr %obj, i32 undef)
107  ret i1 %result
108
109trap:
110  call void @llvm.trap()
111  unreachable
112}
113