xref: /llvm-project/llvm/test/Transforms/SampleProfile/entry_counts_cold.ll (revision 0271ae65a66367d802fa6866599d11e35f68450f) 
1; RUN: opt < %s -passes=sample-profile -sample-profile-file=%S/Inputs/entry_counts_cold.prof -S | FileCheck %s
2; ModuleID = 'temp.bc'
3source_filename = "temp.c"
4target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128"
5target triple = "x86_64-apple-macosx10.14.0"
6
7; Function Attrs: nounwind ssp uwtable
8; CHECK: define i32 @top({{.*}} !prof [[TOP:![0-9]+]]
9define i32 @top(ptr %p) #0 !dbg !8 {
10entry:
11  %p.addr = alloca ptr, align 8
12  store ptr %p, ptr %p.addr, align 8, !tbaa !15
13  call void @llvm.dbg.declare(metadata ptr %p.addr, metadata !14, metadata !DIExpression()), !dbg !19
14  %0 = load ptr, ptr %p.addr, align 8, !dbg !20, !tbaa !15
15  %call = call i32 @foo(ptr %0), !dbg !21
16; foo is inlined
17; CHECK-NOT: call i32 @foo
18; CHECK: call i32 @bar
19  %1 = load ptr, ptr %p.addr, align 8, !dbg !22, !tbaa !15
20  %2 = load i32, ptr %1, align 4, !dbg !24, !tbaa !25
21  %tobool = icmp ne i32 %2, 0, !dbg !24
22  br i1 %tobool, label %if.then, label %if.end, !dbg !27
23
24if.then:                                          ; preds = %entry
25  %3 = load ptr, ptr %p.addr, align 8, !dbg !28, !tbaa !15
26; bar is not inlined
27; CHECK: call i32 @bar
28  %call1 = call i32 @bar(ptr %3), !dbg !29
29  br label %if.end, !dbg !29
30
31if.end:                                           ; preds = %if.then, %entry
32  ret i32 0, !dbg !30
33}
34
35; Function Attrs: nounwind readnone speculatable
36declare void @llvm.dbg.declare(metadata, metadata, metadata) #1
37
38; Function Attrs: nounwind ssp uwtable
39; CHECK: define i32 @foo({{.*}} !prof [[FOO:![0-9]+]]
40define i32 @foo(ptr %p) #0 !dbg !31 {
41entry:
42  %p.addr = alloca ptr, align 8
43  %a = alloca i32, align 4
44  store ptr %p, ptr %p.addr, align 8, !tbaa !15
45  call void @llvm.dbg.declare(metadata ptr %p.addr, metadata !33, metadata !DIExpression()), !dbg !35
46  call void @llvm.lifetime.start.p0(i64 4, ptr %a) #4, !dbg !36
47  call void @llvm.dbg.declare(metadata ptr %a, metadata !34, metadata !DIExpression()), !dbg !37
48  %0 = load ptr, ptr %p.addr, align 8, !dbg !38, !tbaa !15
49  %arrayidx = getelementptr inbounds i32, ptr %0, i64 3, !dbg !38
50  %1 = load i32, ptr %arrayidx, align 4, !dbg !38, !tbaa !25
51  %2 = load ptr, ptr %p.addr, align 8, !dbg !39, !tbaa !15
52  %arrayidx1 = getelementptr inbounds i32, ptr %2, i64 2, !dbg !39
53  %3 = load i32, ptr %arrayidx1, align 4, !dbg !40, !tbaa !25
54  %add = add nsw i32 %3, %1, !dbg !40
55  store i32 %add, ptr %arrayidx1, align 4, !dbg !40, !tbaa !25
56  %4 = load ptr, ptr %p.addr, align 8, !dbg !41, !tbaa !15
57  %call = call i32 @bar(ptr %4), !dbg !42
58  store i32 %call, ptr %a, align 4, !dbg !43, !tbaa !25
59  %5 = load i32, ptr %a, align 4, !dbg !44, !tbaa !25
60  %add2 = add nsw i32 %5, 1, !dbg !45
61  call void @llvm.lifetime.end.p0(i64 4, ptr %a) #4, !dbg !46
62  ret i32 %add2, !dbg !47
63}
64
65; Function Attrs: nounwind ssp uwtable
66; CHECK: define i32 @bar({{.*}} !prof [[BAR:![0-9]+]]
67define i32 @bar(ptr %p) #0 !dbg !48 {
68entry:
69  %p.addr = alloca ptr, align 8
70  store ptr %p, ptr %p.addr, align 8, !tbaa !15
71  call void @llvm.dbg.declare(metadata ptr %p.addr, metadata !50, metadata !DIExpression()), !dbg !51
72  ; CHECK: call void (...) @baz{{.*}} !prof [[BAZ:![0-9]+]]
73  call void (...) @baz(), !dbg !52
74  %0 = load ptr, ptr %p.addr, align 8, !dbg !53, !tbaa !15
75  %arrayidx = getelementptr inbounds i32, ptr %0, i64 2, !dbg !53
76  %1 = load i32, ptr %arrayidx, align 4, !dbg !53, !tbaa !25
77  %2 = load ptr, ptr %p.addr, align 8, !dbg !54, !tbaa !15
78  %arrayidx1 = getelementptr inbounds i32, ptr %2, i64 1, !dbg !54
79  %3 = load i32, ptr %arrayidx1, align 4, !dbg !55, !tbaa !25
80  %add = add nsw i32 %3, %1, !dbg !55
81  store i32 %add, ptr %arrayidx1, align 4, !dbg !55, !tbaa !25
82  %4 = load ptr, ptr %p.addr, align 8, !dbg !56, !tbaa !15
83  %arrayidx2 = getelementptr inbounds i32, ptr %4, i64 3, !dbg !56
84  %5 = load i32, ptr %arrayidx2, align 4, !dbg !56, !tbaa !25
85  ret i32 %5, !dbg !57
86}
87
88; Function Attrs: argmemonly nounwind
89declare void @llvm.lifetime.start.p0(i64, ptr nocapture) #2
90
91; Function Attrs: argmemonly nounwind
92declare void @llvm.lifetime.end.p0(i64, ptr nocapture) #2
93
94declare void @baz(...) #3
95
96attributes #0 = { nounwind ssp uwtable "correctly-rounded-divide-sqrt-fp-math"="false" "disable-tail-calls"="false" "less-precise-fpmad"="false" "min-legal-vector-width"="0" "frame-pointer"="all" "no-infs-fp-math"="false" "no-jump-tables"="false" "no-nans-fp-math"="false" "no-signed-zeros-fp-math"="false" "no-trapping-math"="false" "stack-protector-buffer-size"="8" "target-cpu"="penryn" "target-features"="+cx16,+fxsr,+mmx,+sahf,+sse,+sse2,+sse3,+sse4.1,+ssse3,+x87" "unsafe-fp-math"="false" "use-soft-float"="false" "use-sample-profile" }
97attributes #1 = { nounwind readnone speculatable }
98attributes #2 = { argmemonly nounwind }
99attributes #3 = { "correctly-rounded-divide-sqrt-fp-math"="false" "disable-tail-calls"="false" "less-precise-fpmad"="false" "frame-pointer"="all" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "no-signed-zeros-fp-math"="false" "no-trapping-math"="false" "stack-protector-buffer-size"="8" "target-cpu"="penryn" "target-features"="+cx16,+fxsr,+mmx,+sahf,+sse,+sse2,+sse3,+sse4.1,+ssse3,+x87" "unsafe-fp-math"="false" "use-soft-float"="false" }
100attributes #4 = { nounwind }
101
102!llvm.dbg.cu = !{!0}
103!llvm.module.flags = !{!3, !4, !5, !6}
104!llvm.ident = !{!7}
105
106; CHECK: [[TOP]] = !{!"function_entry_count", i64 101}
107; CHECK: [[FOO]] = !{!"function_entry_count", i64 151}
108; CHECK: [[BAR]] = !{!"function_entry_count", i64 303}
109; CHECK: [[BAZ]] = !{!"branch_weights", i32 303}
110
111!0 = distinct !DICompileUnit(language: DW_LANG_C99, file: !1, producer: "clang version 8.0.0", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, enums: !2, nameTableKind: GNU)
112!1 = !DIFile(filename: "temp.c", directory: "llvm/test/Transforms/SampleProfile")
113!2 = !{}
114!3 = !{i32 2, !"Dwarf Version", i32 4}
115!4 = !{i32 2, !"Debug Info Version", i32 3}
116!5 = !{i32 1, !"wchar_size", i32 4}
117!6 = !{i32 7, !"PIC Level", i32 2}
118!7 = !{!"clang version 8.0.0"}
119!8 = distinct !DISubprogram(name: "top", scope: !1, file: !1, line: 5, type: !9, scopeLine: 5, flags: DIFlagPrototyped | DIFlagAllCallsDescribed, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !0, retainedNodes: !13)
120!9 = !DISubroutineType(types: !10)
121!10 = !{!11, !12}
122!11 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed)
123!12 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !11, size: 64)
124!13 = !{!14}
125!14 = !DILocalVariable(name: "p", arg: 1, scope: !8, file: !1, line: 5, type: !12)
126!15 = !{!16, !16, i64 0}
127!16 = !{!"any pointer", !17, i64 0}
128!17 = !{!"omnipotent char", !18, i64 0}
129!18 = !{!"Simple C/C++ TBAA"}
130!19 = !DILocation(line: 5, column: 14, scope: !8)
131!20 = !DILocation(line: 6, column: 7, scope: !8)
132!21 = !DILocation(line: 6, column: 3, scope: !8)
133!22 = !DILocation(line: 7, column: 8, scope: !23)
134!23 = distinct !DILexicalBlock(scope: !8, file: !1, line: 7, column: 7)
135!24 = !DILocation(line: 7, column: 7, scope: !23)
136!25 = !{!26, !26, i64 0}
137!26 = !{!"int", !17, i64 0}
138!27 = !DILocation(line: 7, column: 7, scope: !8)
139!28 = !DILocation(line: 8, column: 9, scope: !23)
140!29 = !DILocation(line: 8, column: 5, scope: !23)
141!30 = !DILocation(line: 9, column: 3, scope: !8)
142!31 = distinct !DISubprogram(name: "foo", scope: !1, file: !1, line: 12, type: !9, scopeLine: 12, flags: DIFlagPrototyped | DIFlagAllCallsDescribed, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !0, retainedNodes: !32)
143!32 = !{!33, !34}
144!33 = !DILocalVariable(name: "p", arg: 1, scope: !31, file: !1, line: 12, type: !12)
145!34 = !DILocalVariable(name: "a", scope: !31, file: !1, line: 13, type: !11)
146!35 = !DILocation(line: 12, column: 14, scope: !31)
147!36 = !DILocation(line: 13, column: 3, scope: !31)
148!37 = !DILocation(line: 13, column: 7, scope: !31)
149!38 = !DILocation(line: 14, column: 11, scope: !31)
150!39 = !DILocation(line: 14, column: 3, scope: !31)
151!40 = !DILocation(line: 14, column: 8, scope: !31)
152!41 = !DILocation(line: 15, column: 11, scope: !31)
153!42 = !DILocation(line: 15, column: 7, scope: !31)
154!43 = !DILocation(line: 15, column: 5, scope: !31)
155!44 = !DILocation(line: 16, column: 10, scope: !31)
156!45 = !DILocation(line: 16, column: 11, scope: !31)
157!46 = !DILocation(line: 17, column: 1, scope: !31)
158!47 = !DILocation(line: 16, column: 3, scope: !31)
159!48 = distinct !DISubprogram(name: "bar", scope: !1, file: !1, line: 19, type: !9, scopeLine: 19, flags: DIFlagPrototyped | DIFlagAllCallsDescribed, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !0, retainedNodes: !49)
160!49 = !{!50}
161!50 = !DILocalVariable(name: "p", arg: 1, scope: !48, file: !1, line: 19, type: !12)
162!51 = !DILocation(line: 19, column: 15, scope: !48)
163!52 = !DILocation(line: 20, column: 3, scope: !48)
164!53 = !DILocation(line: 21, column: 11, scope: !48)
165!54 = !DILocation(line: 21, column: 3, scope: !48)
166!55 = !DILocation(line: 21, column: 8, scope: !48)
167!56 = !DILocation(line: 22, column: 10, scope: !48)
168!57 = !DILocation(line: 22, column: 3, scope: !48)
169