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