1; RUN: opt < %s -sample-profile -sample-profile-file=%S/Inputs/profsampleacc.extbinary.afdo -profile-summary-cutoff-hot=600000 -profile-sample-accurate -enable-new-pm=0 -S | FileCheck %s --check-prefix=CALL_SUM_IS_WARM
2; RUN: opt < %s -passes=sample-profile -sample-profile-file=%S/Inputs/profsampleacc.extbinary.afdo -profile-summary-cutoff-hot=900000 -profile-sample-accurate -S | FileCheck %s --check-prefix=CALL_SUM_IS_HOT
3; RUN: opt < %s -sample-profile -sample-profile-file=%S/Inputs/profsampleacc.extbinary.afdo -profile-summary-cutoff-hot=600000 -profile-sample-accurate -enable-new-pm=0 -S | FileCheck %s --check-prefix=CALL_SUM_IS_WARM
4; RUN: opt < %s -passes=sample-profile -sample-profile-file=%S/Inputs/profsampleacc.extbinary.afdo -profile-summary-cutoff-hot=900000 -profile-sample-accurate -S | FileCheck %s --check-prefix=CALL_SUM_IS_HOT
5
6; RUN: llvm-profdata merge -sample -extbinary -prof-sym-list=%S/Inputs/profile-symbol-list.text %S/Inputs/profsampleacc.extbinary.afdo -o %t.symlist.afdo
7; RUN: opt < %s -sample-profile -sample-profile-file=%t.symlist.afdo -profile-summary-cutoff-hot=600000 -profile-accurate-for-symsinlist -enable-new-pm=0 -S | FileCheck %s --check-prefix=PROFSYMLIST
8; RUN: opt < %s -passes=sample-profile -sample-profile-file=%t.symlist.afdo -profile-summary-cutoff-hot=600000 -profile-accurate-for-symsinlist -S | FileCheck %s --check-prefix=PROFSYMLIST
9; RUN: opt < %s -passes=sample-profile -sample-profile-file=%t.symlist.afdo -profile-accurate-for-symsinlist -profile-symbol-list-cutoff=2 -S | FileCheck %s --check-prefix=PSLCUTOFF2
10; RUN: opt < %s -passes=sample-profile -sample-profile-file=%t.symlist.afdo -profile-accurate-for-symsinlist -profile-symbol-list-cutoff=3 -S | FileCheck %s --check-prefix=PSLCUTOFF3
11;
12; If -profile-accurate-for-symsinlist and -profile-sample-accurate both present,
13; -profile-sample-accurate will override -profile-accurate-for-symsinlist.
14; RUN: opt < %s -sample-profile -sample-profile-file=%S/Inputs/profsampleacc.extbinary.afdo -profile-summary-cutoff-hot=600000 -profile-sample-accurate -profile-accurate-for-symsinlist -enable-new-pm=0 -S | FileCheck %s --check-prefix=CALL_SUM_IS_WARM
15; RUN: opt < %s -passes=sample-profile -sample-profile-file=%S/Inputs/profsampleacc.extbinary.afdo -profile-summary-cutoff-hot=900000 -profile-sample-accurate -profile-accurate-for-symsinlist -S | FileCheck %s --check-prefix=CALL_SUM_IS_HOT
16; RUN: opt < %s -sample-profile -sample-profile-file=%S/Inputs/profsampleacc.extbinary.afdo -profile-summary-cutoff-hot=600000 -profile-sample-accurate -profile-accurate-for-symsinlist -enable-new-pm=0 -S | FileCheck %s --check-prefix=CALL_SUM_IS_WARM
17; RUN: opt < %s -passes=sample-profile -sample-profile-file=%S/Inputs/profsampleacc.extbinary.afdo -profile-summary-cutoff-hot=900000 -profile-sample-accurate -profile-accurate-for-symsinlist -S | FileCheck %s --check-prefix=CALL_SUM_IS_HOT
18;
19; Original C++ test case
20;
21; #include <stdio.h>
22;
23; int sum(int x, int y) {
24;   return x + y;
25; }
26;
27; int main() {
28;   int s, i = 0;
29;   while (i++ < 20000 * 20000)
30;     if (i != 100) s = sum(i, s); else s = 30;
31;   printf("sum is %d\n", s);
32;   return 0;
33; }
34;
35@.str = private unnamed_addr constant [11 x i8] c"sum is %d\0A\00", align 1
36
37; Check _Z3sumii's function entry count will be 0 when
38; profile-sample-accurate is enabled.
39; CALL_SUM_IS_HOT: define i32 @_Z3sumii{{.*}}!prof ![[ZERO_ID:[0-9]+]]
40;
41; Check _Z3sumii's function entry count will be nonzero when
42; profile-sample-accurate is enabled because the callsite is warm and not
43; inlined so its function entry count is adjusted to nonzero.
44; CALL_SUM_IS_WARM: define i32 @_Z3sumii{{.*}}!prof ![[NONZERO_ID:[0-9]+]]
45;
46; Check _Z3sumii's function entry count will be initialized to -1 when
47; profile-accurate-for-profsymlist is enabled and _Z3sumii exists in the
48; profile symbol list because it also shows up in the profile as inline
49; instance.
50; PROFSYMLIST: define i32 @_Z3sumii{{.*}}!prof ![[UNKNOWN_ID:[0-9]+]]
51;
52; Function Attrs: nounwind uwtable
53define i32 @_Z3sumii(i32 %x, i32 %y) #0 !dbg !4 {
54entry:
55  %x.addr = alloca i32, align 4
56  %y.addr = alloca i32, align 4
57  store i32 %x, i32* %x.addr, align 4
58  store i32 %y, i32* %y.addr, align 4
59  %0 = load i32, i32* %x.addr, align 4, !dbg !11
60  %1 = load i32, i32* %y.addr, align 4, !dbg !11
61  %add = add nsw i32 %0, %1, !dbg !11
62  ret i32 %add, !dbg !11
63}
64
65; Check -profile-symbol-list-cutoff=3 will include _Z3toov into profile
66; symbol list and -profile-symbol-list-cutoff=2 will not.
67; PSLCUTOFF2: define i32 @_Z3toov{{.*}}!prof ![[TOO_ID:[0-9]+]]
68; PSLCUTOFF3: define i32 @_Z3toov{{.*}}!prof ![[TOO_ID:[0-9]+]]
69define i32 @_Z3toov(i32 %x, i32 %y) #0 {
70entry:
71  %add = add nsw i32 %x, %y
72  ret i32 %add
73}
74
75; Function Attrs: uwtable
76define i32 @main() #0 !dbg !7 {
77entry:
78  %retval = alloca i32, align 4
79  %s = alloca i32, align 4
80  %i = alloca i32, align 4
81  store i32 0, i32* %retval
82  store i32 0, i32* %i, align 4, !dbg !12
83  br label %while.cond, !dbg !13
84
85while.cond:                                       ; preds = %if.end, %entry
86  %0 = load i32, i32* %i, align 4, !dbg !14
87  %inc = add nsw i32 %0, 1, !dbg !14
88  store i32 %inc, i32* %i, align 4, !dbg !14
89  %cmp = icmp slt i32 %0, 400000000, !dbg !14
90  br i1 %cmp, label %while.body, label %while.end, !dbg !14
91
92while.body:                                       ; preds = %while.cond
93  %1 = load i32, i32* %i, align 4, !dbg !16
94  %cmp1 = icmp ne i32 %1, 100, !dbg !16
95  br i1 %cmp1, label %if.then, label %if.else, !dbg !16
96
97; With the hot cutoff being set to 600000, the inline instance of _Z3sumii
98; in main is neither hot nor cold. Check it won't be inlined when
99; profile-sample-accurate is enabled.
100; CALL_SUM_IS_WARM: if.then:
101; CALL_SUM_IS_WARM: call i32 @_Z3sumii
102; CALL_SUM_IS_WARM: if.else:
103;
104; With the hot cutoff being set to 900000, the inline instance of _Z3sumii
105; in main is hot. Check the callsite of _Z3sumii will be inlined when
106; profile-sample-accurate is enabled.
107; CALL_SUM_IS_HOT: if.then:
108; CALL_SUM_IS_HOT-NOT: call i32 @_Z3sumii
109; CALL_SUM_IS_HOT: if.else:
110;
111; Check _Z3sumii will be inlined when profile-accurate-for-profsymlist is
112; enabled
113; PROFSYMLIST: if.then:
114; PROFSYMLIST-NOT: call i32 @_Z3sumii
115; PROFSYMLIST: if.else:
116if.then:                                          ; preds = %while.body
117  %2 = load i32, i32* %i, align 4, !dbg !18
118  %3 = load i32, i32* %s, align 4, !dbg !18
119  %call = call i32 @_Z3sumii(i32 %2, i32 %3), !dbg !18
120  store i32 %call, i32* %s, align 4, !dbg !18
121  br label %if.end, !dbg !18
122
123if.else:                                          ; preds = %while.body
124  store i32 30, i32* %s, align 4, !dbg !20
125  br label %if.end
126
127if.end:                                           ; preds = %if.else, %if.then
128  br label %while.cond, !dbg !22
129
130while.end:                                        ; preds = %while.cond
131  %4 = load i32, i32* %s, align 4, !dbg !24
132  %call2 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([11 x i8], [11 x i8]* @.str, i32 0, i32 0), i32 %4), !dbg !24
133  ret i32 0, !dbg !25
134}
135
136declare i32 @printf(i8*, ...) #2
137
138attributes #0 = { "use-sample-profile" }
139
140!llvm.dbg.cu = !{!0}
141!llvm.module.flags = !{!8, !9}
142!llvm.ident = !{!10}
143
144; CALL_SUM_IS_HOT: ![[ZERO_ID]] = !{!"function_entry_count", i64 0}
145; CALL_SUM_IS_WARM: ![[NONZERO_ID]] = !{!"function_entry_count", i64 5179}
146; PROFSYMLIST: ![[UNKNOWN_ID]] = !{!"function_entry_count", i64 -1}
147; PSLCUTOFF2: ![[TOO_ID]] = !{!"function_entry_count", i64 -1}
148; PSLCUTOFF3: ![[TOO_ID]] = !{!"function_entry_count", i64 0}
149!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)
150!1 = !DIFile(filename: "calls.cc", directory: ".")
151!2 = !{}
152!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)
153!5 = !DIFile(filename: "calls.cc", directory: ".")
154!6 = !DISubroutineType(types: !2)
155!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)
156!8 = !{i32 2, !"Dwarf Version", i32 4}
157!9 = !{i32 1, !"Debug Info Version", i32 3}
158!10 = !{!"clang version 3.5 "}
159!11 = !DILocation(line: 4, scope: !4)
160!12 = !DILocation(line: 8, scope: !7)
161!13 = !DILocation(line: 9, scope: !7)
162!14 = !DILocation(line: 9, scope: !15)
163!15 = !DILexicalBlockFile(discriminator: 2, file: !1, scope: !7)
164!16 = !DILocation(line: 10, scope: !17)
165!17 = distinct !DILexicalBlock(line: 10, column: 0, file: !1, scope: !7)
166!18 = !DILocation(line: 10, scope: !19)
167!19 = !DILexicalBlockFile(discriminator: 2, file: !1, scope: !17)
168!20 = !DILocation(line: 10, scope: !21)
169!21 = !DILexicalBlockFile(discriminator: 4, file: !1, scope: !17)
170!22 = !DILocation(line: 10, scope: !23)
171!23 = !DILexicalBlockFile(discriminator: 6, file: !1, scope: !17)
172!24 = !DILocation(line: 11, scope: !7)
173!25 = !DILocation(line: 12, scope: !7)
174