1; RUN: opt < %s -sample-profile -sample-profile-file=%S/Inputs/inline.prof -S | FileCheck %s
2; RUN: opt < %s -passes=sample-profile -sample-profile-file=%S/Inputs/inline.prof -S | FileCheck %s
3; RUN: opt < %s -sample-profile -sample-profile-file=%S/Inputs/inline.compactbinary.afdo -S | FileCheck %s
4; RUN: opt < %s -passes=sample-profile -sample-profile-file=%S/Inputs/inline.compactbinary.afdo -S | FileCheck %s
5; RUN: opt < %s -sample-profile -sample-profile-file=%S/Inputs/inline.extbinary.afdo -S | FileCheck %s
6; RUN: opt < %s -passes=sample-profile -sample-profile-file=%S/Inputs/inline.extbinary.afdo -S | FileCheck %s
7; RUN: opt < %s -sample-profile -sample-profile-file=%S/Inputs/inline.md5extbinary.afdo -S | FileCheck %s
8; RUN: opt < %s -passes=sample-profile -sample-profile-file=%S/Inputs/inline.md5extbinary.afdo -S | FileCheck %s
9; RUN: opt < %s -sample-profile -sample-profile-file=%S/Inputs/inline.fixlenmd5.extbinary.afdo -S | FileCheck %s
10; RUN: opt < %s -passes=sample-profile -sample-profile-file=%S/Inputs/inline.fixlenmd5.extbinary.afdo -S | FileCheck %s
11
12; Original C++ test case
13;
14; #include <stdio.h>
15;
16; int sum(int x, int y) {
17;   return x + y;
18; }
19;
20; int main() {
21;   int s, i = 0;
22;   while (i++ < 20000 * 20000)
23;     if (i != 100) s = sum(i, s); else s = 30;
24;   printf("sum is %d\n", s);
25;   return 0;
26; }
27;
28@.str = private unnamed_addr constant [11 x i8] c"sum is %d\0A\00", align 1
29
30; Check sample-profile phase using compactbinary or extbinary format profile
31; will annotate the IR with exactly the same result as using text format.
32; CHECK: br i1 %cmp, label %while.body, label %while.end{{.*}} !prof ![[IDX1:[0-9]*]]
33; CHECK: br i1 %cmp1, label %if.then, label %if.else{{.*}} !prof ![[IDX2:[0-9]*]]
34; CHECK: call i32 (i8*, ...) @printf{{.*}} !prof ![[IDX3:[0-9]*]]
35; CHECK: = !{!"TotalCount", i64 26781}
36; CHECK: = !{!"MaxCount", i64 5553}
37; CHECK: ![[IDX1]] = !{!"branch_weights", i32 5392, i32 163}
38; CHECK: ![[IDX2]] = !{!"branch_weights", i32 5280, i32 113}
39; CHECK: ![[IDX3]] = !{!"branch_weights", i32 1}
40
41; Function Attrs: nounwind uwtable
42define i32 @_Z3sumii(i32 %x, i32 %y) #0 !dbg !4 {
43entry:
44  %x.addr = alloca i32, align 4
45  %y.addr = alloca i32, align 4
46  store i32 %x, i32* %x.addr, align 4
47  store i32 %y, i32* %y.addr, align 4
48  %0 = load i32, i32* %x.addr, align 4, !dbg !11
49  %1 = load i32, i32* %y.addr, align 4, !dbg !11
50  %add = add nsw i32 %0, %1, !dbg !11
51  ret i32 %add, !dbg !11
52}
53
54; Function Attrs: uwtable
55define i32 @main() #0 !dbg !7 {
56entry:
57  %retval = alloca i32, align 4
58  %s = alloca i32, align 4
59  %i = alloca i32, align 4
60  store i32 0, i32* %retval
61  store i32 0, i32* %i, align 4, !dbg !12
62  br label %while.cond, !dbg !13
63
64while.cond:                                       ; preds = %if.end, %entry
65  %0 = load i32, i32* %i, align 4, !dbg !14
66  %inc = add nsw i32 %0, 1, !dbg !14
67  store i32 %inc, i32* %i, align 4, !dbg !14
68  %cmp = icmp slt i32 %0, 400000000, !dbg !14
69  br i1 %cmp, label %while.body, label %while.end, !dbg !14
70
71while.body:                                       ; preds = %while.cond
72  %1 = load i32, i32* %i, align 4, !dbg !16
73  %cmp1 = icmp ne i32 %1, 100, !dbg !16
74  br i1 %cmp1, label %if.then, label %if.else, !dbg !16
75
76
77if.then:                                          ; preds = %while.body
78  %2 = load i32, i32* %i, align 4, !dbg !18
79  %3 = load i32, i32* %s, align 4, !dbg !18
80  %call = call i32 @_Z3sumii(i32 %2, i32 %3), !dbg !18
81  store i32 %call, i32* %s, align 4, !dbg !18
82  br label %if.end, !dbg !18
83
84if.else:                                          ; preds = %while.body
85  store i32 30, i32* %s, align 4, !dbg !20
86  br label %if.end
87
88if.end:                                           ; preds = %if.else, %if.then
89  br label %while.cond, !dbg !22
90
91while.end:                                        ; preds = %while.cond
92  %4 = load i32, i32* %s, align 4, !dbg !24
93  %call2 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([11 x i8], [11 x i8]* @.str, i32 0, i32 0), i32 %4), !dbg !24
94  ret i32 0, !dbg !25
95}
96
97declare i32 @printf(i8*, ...) #2
98
99attributes #0 = { "use-sample-profile" }
100
101!llvm.dbg.cu = !{!0}
102!llvm.module.flags = !{!8, !9}
103!llvm.ident = !{!10}
104
105!0 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, producer: "clang version 3.5 ", isOptimized: false, emissionKind: NoDebug, file: !1, enums: !2, retainedTypes: !2, globals: !2, imports: !2)
106!1 = !DIFile(filename: "calls.cc", directory: ".")
107!2 = !{}
108!4 = distinct !DISubprogram(name: "sum", line: 3, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false, unit: !0, scopeLine: 3, file: !1, scope: !5, type: !6, retainedNodes: !2)
109!5 = !DIFile(filename: "calls.cc", directory: ".")
110!6 = !DISubroutineType(types: !2)
111!7 = distinct !DISubprogram(name: "main", line: 7, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false, unit: !0, scopeLine: 7, file: !1, scope: !5, type: !6, retainedNodes: !2)
112!8 = !{i32 2, !"Dwarf Version", i32 4}
113!9 = !{i32 1, !"Debug Info Version", i32 3}
114!10 = !{!"clang version 3.5 "}
115!11 = !DILocation(line: 4, scope: !4)
116!12 = !DILocation(line: 8, scope: !7)
117!13 = !DILocation(line: 9, scope: !7)
118!14 = !DILocation(line: 9, scope: !15)
119!15 = !DILexicalBlockFile(discriminator: 2, file: !1, scope: !7)
120!16 = !DILocation(line: 10, scope: !17)
121!17 = distinct !DILexicalBlock(line: 10, column: 0, file: !1, scope: !7)
122!18 = !DILocation(line: 10, scope: !19)
123!19 = !DILexicalBlockFile(discriminator: 2, file: !1, scope: !17)
124!20 = !DILocation(line: 10, scope: !21)
125!21 = !DILexicalBlockFile(discriminator: 4, file: !1, scope: !17)
126!22 = !DILocation(line: 10, scope: !23)
127!23 = !DILexicalBlockFile(discriminator: 6, file: !1, scope: !17)
128!24 = !DILocation(line: 11, scope: !7)
129!25 = !DILocation(line: 12, scope: !7)
130