1; RUN: opt < %s -sample-profile -sample-profile-file=%S/Inputs/inline.prof -sample-profile-inline-hot-threshold=1 -S | FileCheck %s
2
3; Original C++ test case
4;
5; #include <stdio.h>
6;
7; int sum(int x, int y) {
8;   return x + y;
9; }
10;
11; int main() {
12;   int s, i = 0;
13;   while (i++ < 20000 * 20000)
14;     if (i != 100) s = sum(i, s); else s = 30;
15;   printf("sum is %d\n", s);
16;   return 0;
17; }
18;
19@.str = private unnamed_addr constant [11 x i8] c"sum is %d\0A\00", align 1
20
21; Function Attrs: nounwind uwtable
22define i32 @_Z3sumii(i32 %x, i32 %y) !dbg !4 {
23entry:
24  %x.addr = alloca i32, align 4
25  %y.addr = alloca i32, align 4
26  store i32 %x, i32* %x.addr, align 4
27  store i32 %y, i32* %y.addr, align 4
28  %0 = load i32, i32* %x.addr, align 4, !dbg !11
29  %1 = load i32, i32* %y.addr, align 4, !dbg !11
30  %add = add nsw i32 %0, %1, !dbg !11
31  ret i32 %add, !dbg !11
32}
33
34; Function Attrs: uwtable
35define i32 @main() !dbg !7 {
36entry:
37  %retval = alloca i32, align 4
38  %s = alloca i32, align 4
39  %i = alloca i32, align 4
40  store i32 0, i32* %retval
41  store i32 0, i32* %i, align 4, !dbg !12
42  br label %while.cond, !dbg !13
43
44while.cond:                                       ; preds = %if.end, %entry
45  %0 = load i32, i32* %i, align 4, !dbg !14
46  %inc = add nsw i32 %0, 1, !dbg !14
47  store i32 %inc, i32* %i, align 4, !dbg !14
48  %cmp = icmp slt i32 %0, 400000000, !dbg !14
49  br i1 %cmp, label %while.body, label %while.end, !dbg !14
50
51while.body:                                       ; preds = %while.cond
52  %1 = load i32, i32* %i, align 4, !dbg !16
53  %cmp1 = icmp ne i32 %1, 100, !dbg !16
54  br i1 %cmp1, label %if.then, label %if.else, !dbg !16
55
56
57if.then:                                          ; preds = %while.body
58  %2 = load i32, i32* %i, align 4, !dbg !18
59  %3 = load i32, i32* %s, align 4, !dbg !18
60  %call = call i32 @_Z3sumii(i32 %2, i32 %3), !dbg !18
61; CHECK-NOT: call i32 @_Z3sumii
62  store i32 %call, i32* %s, align 4, !dbg !18
63  br label %if.end, !dbg !18
64
65if.else:                                          ; preds = %while.body
66  store i32 30, i32* %s, align 4, !dbg !20
67  br label %if.end
68
69if.end:                                           ; preds = %if.else, %if.then
70  br label %while.cond, !dbg !22
71
72while.end:                                        ; preds = %while.cond
73  %4 = load i32, i32* %s, align 4, !dbg !24
74  %call2 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([11 x i8], [11 x i8]* @.str, i32 0, i32 0), i32 %4), !dbg !24
75  ret i32 0, !dbg !25
76}
77
78declare i32 @printf(i8*, ...) #2
79
80!llvm.module.flags = !{!8, !9}
81!llvm.ident = !{!10}
82
83!0 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, producer: "clang version 3.5 ", isOptimized: false, emissionKind: 0, file: !1, enums: !2, retainedTypes: !2, subprograms: !3, globals: !2, imports: !2)
84!1 = !DIFile(filename: "calls.cc", directory: ".")
85!2 = !{}
86!3 = !{!4, !7}
87!4 = distinct !DISubprogram(name: "sum", line: 3, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false, scopeLine: 3, file: !1, scope: !5, type: !6, variables: !2)
88!5 = !DIFile(filename: "calls.cc", directory: ".")
89!6 = !DISubroutineType(types: !2)
90!7 = distinct !DISubprogram(name: "main", line: 7, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false, scopeLine: 7, file: !1, scope: !5, type: !6, variables: !2)
91!8 = !{i32 2, !"Dwarf Version", i32 4}
92!9 = !{i32 1, !"Debug Info Version", i32 3}
93!10 = !{!"clang version 3.5 "}
94!11 = !DILocation(line: 4, scope: !4)
95!12 = !DILocation(line: 8, scope: !7)
96!13 = !DILocation(line: 9, scope: !7)
97!14 = !DILocation(line: 9, scope: !15)
98!15 = !DILexicalBlockFile(discriminator: 1, file: !1, scope: !7)
99!16 = !DILocation(line: 10, scope: !17)
100!17 = distinct !DILexicalBlock(line: 10, column: 0, file: !1, scope: !7)
101!18 = !DILocation(line: 10, scope: !19)
102!19 = !DILexicalBlockFile(discriminator: 1, file: !1, scope: !17)
103!20 = !DILocation(line: 10, scope: !21)
104!21 = !DILexicalBlockFile(discriminator: 2, file: !1, scope: !17)
105!22 = !DILocation(line: 10, scope: !23)
106!23 = !DILexicalBlockFile(discriminator: 3, file: !1, scope: !17)
107!24 = !DILocation(line: 11, scope: !7)
108!25 = !DILocation(line: 12, scope: !7)
109