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; RUN: not opt < %s -sample-profile -sample-profile-file=%S/Inputs/bad.extbinary.afdo -S 2>&1 | FileCheck %s -check-prefix=BAD-PROFILE
12; RUN: not opt < %s -passes=sample-profile -sample-profile-file=%S/Inputs/bad.extbinary.afdo -S 2>&1 | FileCheck %s -check-prefix=BAD-PROFILE
13
14; Original C++ test case
15;
16; #include <stdio.h>
17;
18; int sum(int x, int y) {
19;   return x + y;
20; }
21;
22; int main() {
23;   int s, i = 0;
24;   while (i++ < 20000 * 20000)
25;     if (i != 100) s = sum(i, s); else s = 30;
26;   printf("sum is %d\n", s);
27;   return 0;
28; }
29;
30@.str = private unnamed_addr constant [11 x i8] c"sum is %d\0A\00", align 1
31
32; Check sample-profile phase using compactbinary or extbinary format profile
33; will annotate the IR with exactly the same result as using text format.
34; CHECK: br i1 %cmp, label %while.body, label %while.end{{.*}} !prof ![[IDX1:[0-9]*]]
35; CHECK: br i1 %cmp1, label %if.then, label %if.else{{.*}} !prof ![[IDX2:[0-9]*]]
36; CHECK: call i32 (i8*, ...) @printf{{.*}} !prof ![[IDX3:[0-9]*]]
37; CHECK: = !{!"TotalCount", i64 26781}
38; CHECK: = !{!"MaxCount", i64 5553}
39; CHECK: ![[IDX1]] = !{!"branch_weights", i32 5392, i32 163}
40; CHECK: ![[IDX2]] = !{!"branch_weights", i32 5280, i32 113}
41; CHECK: ![[IDX3]] = !{!"branch_weights", i32 1}
42
43; Check sample-profile phase will report error when it is reading a bad profile.
44; BAD-PROFILE: error: {{.*}}bad.extbinary.afdo: profile reading failed: Malformed sample profile data
45
46; Function Attrs: nounwind uwtable
47define i32 @_Z3sumii(i32 %x, i32 %y) #0 !dbg !4 {
48entry:
49  %x.addr = alloca i32, align 4
50  %y.addr = alloca i32, align 4
51  store i32 %x, i32* %x.addr, align 4
52  store i32 %y, i32* %y.addr, align 4
53  %0 = load i32, i32* %x.addr, align 4, !dbg !11
54  %1 = load i32, i32* %y.addr, align 4, !dbg !11
55  %add = add nsw i32 %0, %1, !dbg !11
56  ret i32 %add, !dbg !11
57}
58
59; Function Attrs: uwtable
60define i32 @main() #0 !dbg !7 {
61entry:
62  %retval = alloca i32, align 4
63  %s = alloca i32, align 4
64  %i = alloca i32, align 4
65  store i32 0, i32* %retval
66  store i32 0, i32* %i, align 4, !dbg !12
67  br label %while.cond, !dbg !13
68
69while.cond:                                       ; preds = %if.end, %entry
70  %0 = load i32, i32* %i, align 4, !dbg !14
71  %inc = add nsw i32 %0, 1, !dbg !14
72  store i32 %inc, i32* %i, align 4, !dbg !14
73  %cmp = icmp slt i32 %0, 400000000, !dbg !14
74  br i1 %cmp, label %while.body, label %while.end, !dbg !14
75
76while.body:                                       ; preds = %while.cond
77  %1 = load i32, i32* %i, align 4, !dbg !16
78  %cmp1 = icmp ne i32 %1, 100, !dbg !16
79  br i1 %cmp1, label %if.then, label %if.else, !dbg !16
80
81
82if.then:                                          ; preds = %while.body
83  %2 = load i32, i32* %i, align 4, !dbg !18
84  %3 = load i32, i32* %s, align 4, !dbg !18
85  %call = call i32 @_Z3sumii(i32 %2, i32 %3), !dbg !18
86  store i32 %call, i32* %s, align 4, !dbg !18
87  br label %if.end, !dbg !18
88
89if.else:                                          ; preds = %while.body
90  store i32 30, i32* %s, align 4, !dbg !20
91  br label %if.end
92
93if.end:                                           ; preds = %if.else, %if.then
94  br label %while.cond, !dbg !22
95
96while.end:                                        ; preds = %while.cond
97  %4 = load i32, i32* %s, align 4, !dbg !24
98  %call2 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([11 x i8], [11 x i8]* @.str, i32 0, i32 0), i32 %4), !dbg !24
99  ret i32 0, !dbg !25
100}
101
102declare i32 @printf(i8*, ...) #2
103
104attributes #0 = { "use-sample-profile" }
105
106!llvm.dbg.cu = !{!0}
107!llvm.module.flags = !{!8, !9}
108!llvm.ident = !{!10}
109
110!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)
111!1 = !DIFile(filename: "calls.cc", directory: ".")
112!2 = !{}
113!4 = distinct !DISubprogram(name: "sum", linkageName: "_Z3sumii", line: 3, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false, unit: !0, scopeLine: 3, file: !1, scope: !5, type: !6, retainedNodes: !2)
114!5 = !DIFile(filename: "calls.cc", directory: ".")
115!6 = !DISubroutineType(types: !2)
116!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)
117!8 = !{i32 2, !"Dwarf Version", i32 4}
118!9 = !{i32 1, !"Debug Info Version", i32 3}
119!10 = !{!"clang version 3.5 "}
120!11 = !DILocation(line: 4, scope: !4)
121!12 = !DILocation(line: 8, scope: !7)
122!13 = !DILocation(line: 9, scope: !7)
123!14 = !DILocation(line: 9, scope: !15)
124!15 = !DILexicalBlockFile(discriminator: 2, file: !1, scope: !7)
125!16 = !DILocation(line: 10, scope: !17)
126!17 = distinct !DILexicalBlock(line: 10, column: 0, file: !1, scope: !7)
127!18 = !DILocation(line: 10, scope: !19)
128!19 = !DILexicalBlockFile(discriminator: 2, file: !1, scope: !17)
129!20 = !DILocation(line: 10, scope: !21)
130!21 = !DILexicalBlockFile(discriminator: 4, file: !1, scope: !17)
131!22 = !DILocation(line: 10, scope: !23)
132!23 = !DILexicalBlockFile(discriminator: 6, file: !1, scope: !17)
133!24 = !DILocation(line: 11, scope: !7)
134!25 = !DILocation(line: 12, scope: !7)
135