xref: /llvm-project/llvm/test/Transforms/SampleProfile/inline-stats.ll (revision 0271ae65a66367d802fa6866599d11e35f68450f)
1; REQUIRES: asserts
2; RUN: opt < %s -passes=sample-profile -sample-profile-file=%S/Inputs/inline.prof -stats -S 2>&1 | FileCheck %s
3
4; Original C++ test case
5;
6; #include <stdio.h>
7;
8; int sum(int x, int y) {
9;   return x + y;
10; }
11;
12; int main() {
13;   int s, i = 0;
14;   while (i++ < 20000 * 20000)
15;     if (i != 100) s = sum(i, s); else s = 30;
16;   printf("sum is %d\n", s);
17;   return 0;
18; }
19;
20@.str = private unnamed_addr constant [11 x i8] c"sum is %d\0A\00", align 1
21define i32 @_Z3sumii(i32 %x, i32 %y) #0 !dbg !6 {
22entry:
23  %x.addr = alloca i32, align 4
24  %y.addr = alloca i32, align 4
25  store i32 %x, ptr %x.addr, align 4
26  store i32 %y, ptr %y.addr, align 4
27  %tmp = load i32, ptr %x.addr, align 4, !dbg !8
28  %tmp1 = load i32, ptr %y.addr, align 4, !dbg !8
29  %add = add nsw i32 %tmp, %tmp1, !dbg !8
30  ret i32 %add, !dbg !8
31}
32define i32 @main() #0 !dbg !9 {
33entry:
34  %retval = alloca i32, align 4
35  %s = alloca i32, align 4
36  %i = alloca i32, align 4
37  store i32 0, ptr %retval
38  store i32 0, ptr %i, align 4, !dbg !10
39  br label %while.cond, !dbg !11
40
41while.cond:                                       ; preds = %if.end, %entry
42  %tmp = load i32, ptr %i, align 4, !dbg !12
43  %inc = add nsw i32 %tmp, 1, !dbg !12
44  store i32 %inc, ptr %i, align 4, !dbg !12
45  %cmp = icmp slt i32 %tmp, 400000000, !dbg !12
46  br i1 %cmp, label %while.body, label %while.end, !dbg !12
47
48while.body:                                       ; preds = %while.cond
49  %tmp1 = load i32, ptr %i, align 4, !dbg !14
50  %cmp1 = icmp ne i32 %tmp1, 100, !dbg !14
51  br i1 %cmp1, label %if.then, label %if.else, !dbg !14
52
53if.then:                                          ; preds = %while.body
54  %tmp2 = load i32, ptr %i, align 4, !dbg !16
55  %tmp3 = load i32, ptr %s, align 4, !dbg !16
56  %call = call i32 @_Z3sumii(i32 %tmp2, i32 %tmp3), !dbg !16
57  store i32 %call, ptr %s, align 4, !dbg !16
58  br label %if.end, !dbg !16
59
60if.else:                                          ; preds = %while.body
61  store i32 30, ptr %s, align 4, !dbg !18
62  br label %if.end
63
64if.end:                                           ; preds = %if.else, %if.then
65  br label %while.cond, !dbg !20
66
67while.end:                                        ; preds = %while.cond
68  %tmp4 = load i32, ptr %s, align 4, !dbg !22
69  %call2 = call i32 (ptr, ...) @printf(ptr @.str, i32 %tmp4), !dbg !22
70  ret i32 0, !dbg !23
71}
72declare i32 @printf(ptr, ...)
73
74attributes #0 = { "use-sample-profile" }
75
76!llvm.dbg.cu = !{!0}
77!llvm.module.flags = !{!3, !4}
78!llvm.ident = !{!5}
79
80!0 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, file: !1, producer: "clang version 3.5 ", isOptimized: false, runtimeVersion: 0, emissionKind: NoDebug, enums: !2, retainedTypes: !2, globals: !2, imports: !2)
81!1 = !DIFile(filename: "calls.cc", directory: ".")
82!2 = !{}
83!3 = !{i32 2, !"Dwarf Version", i32 4}
84!4 = !{i32 1, !"Debug Info Version", i32 3}
85!5 = !{!"clang version 3.5 "}
86!6 = distinct !DISubprogram(name: "sum", scope: !1, file: !1, line: 3, type: !7, scopeLine: 3, virtualIndex: 6, flags: DIFlagPrototyped, spFlags: DISPFlagDefinition, unit: !0, retainedNodes: !2)
87!7 = !DISubroutineType(types: !2)
88!8 = !DILocation(line: 4, scope: !6)
89!9 = distinct !DISubprogram(name: "main", scope: !1, file: !1, line: 7, type: !7, scopeLine: 7, virtualIndex: 6, flags: DIFlagPrototyped, spFlags: DISPFlagDefinition, unit: !0, retainedNodes: !2)
90!10 = !DILocation(line: 8, scope: !9)
91!11 = !DILocation(line: 9, scope: !9)
92!12 = !DILocation(line: 9, scope: !13)
93!13 = !DILexicalBlockFile(scope: !9, file: !1, discriminator: 2)
94!14 = !DILocation(line: 10, scope: !15)
95!15 = distinct !DILexicalBlock(scope: !9, file: !1, line: 10)
96!16 = !DILocation(line: 10, scope: !17)
97!17 = !DILexicalBlockFile(scope: !15, file: !1, discriminator: 2)
98!18 = !DILocation(line: 10, scope: !19)
99!19 = !DILexicalBlockFile(scope: !15, file: !1, discriminator: 4)
100!20 = !DILocation(line: 10, scope: !21)
101!21 = !DILexicalBlockFile(scope: !15, file: !1, discriminator: 6)
102!22 = !DILocation(line: 11, scope: !9)
103!23 = !DILocation(line: 12, scope: !9)
104
105; CHECK: 1 sample-profile - Number of functions inlined with context sensitive profile
106