1; RUN: opt < %s -passes=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.compactbinary.afdo -S | FileCheck %s
3; RUN: opt < %s -passes=sample-profile -sample-profile-file=%S/Inputs/inline.extbinary.afdo -S | FileCheck %s
4; RUN: opt < %s -passes=sample-profile -sample-profile-file=%S/Inputs/inline.md5extbinary.afdo -S | FileCheck %s
5; RUN: opt < %s -passes=sample-profile -sample-profile-file=%S/Inputs/inline.fixlenmd5.extbinary.afdo -S | FileCheck %s
6; RUN: not opt < %s -passes=sample-profile -sample-profile-file=%S/Inputs/bad.extbinary.afdo -S 2>&1 | FileCheck %s -check-prefix=BAD-PROFILE
7
8; Original C++ test case
9;
10; #include <stdio.h>
11;
12; int sum(int x, int y) {
13;   return x + y;
14; }
15;
16; int main() {
17;   int s, i = 0;
18;   while (i++ < 20000 * 20000)
19;     if (i != 100) s = sum(i, s); else s = 30;
20;   printf("sum is %d\n", s);
21;   return 0;
22; }
23;
24@.str = private unnamed_addr constant [11 x i8] c"sum is %d\0A\00", align 1
25
26; Check sample-profile phase using compactbinary or extbinary format profile
27; will annotate the IR with exactly the same result as using text format.
28; CHECK: br i1 %cmp, label %while.body, label %while.end{{.*}} !prof ![[IDX1:[0-9]*]]
29; CHECK: br i1 %cmp1, label %if.then, label %if.else{{.*}} !prof ![[IDX2:[0-9]*]]
30; CHECK: call i32 (ptr, ...) @printf{{.*}} !prof ![[IDX3:[0-9]*]]
31; CHECK: = !{!"TotalCount", i64 26781}
32; CHECK: = !{!"MaxCount", i64 5553}
33; CHECK: ![[IDX1]] = !{!"branch_weights", i32 5392, i32 163}
34; CHECK: ![[IDX2]] = !{!"branch_weights", i32 5280, i32 113}
35; CHECK: ![[IDX3]] = !{!"branch_weights", i32 1}
36
37; Check sample-profile phase will report error when it is reading a bad profile.
38; BAD-PROFILE: error: {{.*}}bad.extbinary.afdo: profile reading failed: Malformed sample profile data
39
40; Function Attrs: nounwind uwtable
41define i32 @_Z3sumii(i32 %x, i32 %y) #0 !dbg !4 {
42entry:
43  %x.addr = alloca i32, align 4
44  %y.addr = alloca i32, align 4
45  store i32 %x, ptr %x.addr, align 4
46  store i32 %y, ptr %y.addr, align 4
47  %0 = load i32, ptr %x.addr, align 4, !dbg !11
48  %1 = load i32, ptr %y.addr, align 4, !dbg !11
49  %add = add nsw i32 %0, %1, !dbg !11
50  ret i32 %add, !dbg !11
51}
52
53; Function Attrs: uwtable
54define i32 @main() #0 !dbg !7 {
55entry:
56  %retval = alloca i32, align 4
57  %s = alloca i32, align 4
58  %i = alloca i32, align 4
59  store i32 0, ptr %retval
60  store i32 0, ptr %i, align 4, !dbg !12
61  br label %while.cond, !dbg !13
62
63while.cond:                                       ; preds = %if.end, %entry
64  %0 = load i32, ptr %i, align 4, !dbg !14
65  %inc = add nsw i32 %0, 1, !dbg !14
66  store i32 %inc, ptr %i, align 4, !dbg !14
67  %cmp = icmp slt i32 %0, 400000000, !dbg !14
68  br i1 %cmp, label %while.body, label %while.end, !dbg !14
69
70while.body:                                       ; preds = %while.cond
71  %1 = load i32, ptr %i, align 4, !dbg !16
72  %cmp1 = icmp ne i32 %1, 100, !dbg !16
73  br i1 %cmp1, label %if.then, label %if.else, !dbg !16
74
75
76if.then:                                          ; preds = %while.body
77  %2 = load i32, ptr %i, align 4, !dbg !18
78  %3 = load i32, ptr %s, align 4, !dbg !18
79  %call = call i32 @_Z3sumii(i32 %2, i32 %3), !dbg !18
80  store i32 %call, ptr %s, align 4, !dbg !18
81  br label %if.end, !dbg !18
82
83if.else:                                          ; preds = %while.body
84  store i32 30, ptr %s, align 4, !dbg !20
85  br label %if.end
86
87if.end:                                           ; preds = %if.else, %if.then
88  br label %while.cond, !dbg !22
89
90while.end:                                        ; preds = %while.cond
91  %4 = load i32, ptr %s, align 4, !dbg !24
92  %call2 = call i32 (ptr, ...) @printf(ptr @.str, i32 %4), !dbg !24
93  ret i32 0, !dbg !25
94}
95
96declare i32 @printf(ptr, ...) #2
97
98attributes #0 = { "use-sample-profile" }
99
100!llvm.dbg.cu = !{!0}
101!llvm.module.flags = !{!8, !9}
102!llvm.ident = !{!10}
103
104!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)
105!1 = !DIFile(filename: "calls.cc", directory: ".")
106!2 = !{}
107!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)
108!5 = !DIFile(filename: "calls.cc", directory: ".")
109!6 = !DISubroutineType(types: !2)
110!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)
111!8 = !{i32 2, !"Dwarf Version", i32 4}
112!9 = !{i32 1, !"Debug Info Version", i32 3}
113!10 = !{!"clang version 3.5 "}
114!11 = !DILocation(line: 4, scope: !4)
115!12 = !DILocation(line: 8, scope: !7)
116!13 = !DILocation(line: 9, scope: !7)
117!14 = !DILocation(line: 9, scope: !15)
118!15 = !DILexicalBlockFile(discriminator: 2, file: !1, scope: !7)
119!16 = !DILocation(line: 10, scope: !17)
120!17 = distinct !DILexicalBlock(line: 10, column: 0, file: !1, scope: !7)
121!18 = !DILocation(line: 10, scope: !19)
122!19 = !DILexicalBlockFile(discriminator: 2, file: !1, scope: !17)
123!20 = !DILocation(line: 10, scope: !21)
124!21 = !DILexicalBlockFile(discriminator: 4, file: !1, scope: !17)
125!22 = !DILocation(line: 10, scope: !23)
126!23 = !DILexicalBlockFile(discriminator: 6, file: !1, scope: !17)
127!24 = !DILocation(line: 11, scope: !7)
128!25 = !DILocation(line: 12, scope: !7)
129