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.extbinary.afdo -S | FileCheck %s
3 ; RUN: opt < %s -passes=sample-profile -sample-profile-file=%S/Inputs/inline.md5extbinary.afdo -S | FileCheck %s
4 ; RUN: opt < %s -passes=sample-profile -sample-profile-file=%S/Inputs/inline.fixlenmd5.extbinary.afdo -S | FileCheck %s
5 ; 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 ; Original C++ test case
11 ; int sum(int x, int y) {
17 ; while (i++ < 20000 * 20000)
18 ; if (i != 100) s = sum(i, s); else s = 30;
19 ; printf("sum is %d\n", s);
23 @.str = private unnamed_addr constant [11 x i8] c"sum is %d\0A\00", align 1
25 ; Check sample-profile phase using compactbinary or extbinary format profile
26 ; will annotate the IR with exactly the same result as using text format.
27 ; CHECK: br i1 %cmp, label %while.body, label %while.end{{.*}} !prof ![[IDX1:[0-9]*]]
28 ; CHECK: br i1 %cmp1, label %if.then, label %if.else{{.*}} !prof ![[IDX2:[0-9]*]]
29 ; CHECK: call i32 (ptr, ...) @printf{{.*}} !prof ![[IDX3:[0-9]*]]
30 ; CHECK: = !{!"TotalCount", i64 26781}
31 ; CHECK: = !{!"MaxCount", i64 5553}
32 ; CHECK: ![[IDX1]] = !{!"branch_weights", i32 5392, i32 163}
33 ; CHECK: ![[IDX2]] = !{!"branch_weights", i32 5280, i32 113}
34 ; CHECK: ![[IDX3]] = !{!"branch_weights", i32 1}
36 ; Check sample-profile phase will report error when it is reading a bad profile.
37 ; BAD-PROFILE: error: {{.*}}bad.extbinary.afdo: profile reading failed: Malformed sample profile data
39 ; Function Attrs: nounwind uwtable
40 define i32 @_Z3sumii(i32 %x, i32 %y) #0 !dbg !4 {
42 %x.addr = alloca i32, align 4
43 %y.addr = alloca i32, align 4
44 store i32 %x, ptr %x.addr, align 4
45 store i32 %y, ptr %y.addr, align 4
46 %0 = load i32, ptr %x.addr, align 4, !dbg !11
47 %1 = load i32, ptr %y.addr, align 4, !dbg !11
48 %add = add nsw i32 %0, %1, !dbg !11
49 ret i32 %add, !dbg !11
52 ; Function Attrs: uwtable
53 define i32 @main() #0 !dbg !7 {
55 %retval = alloca i32, align 4
56 %s = alloca i32, align 4
57 %i = alloca i32, align 4
58 store i32 0, ptr %retval
59 store i32 0, ptr %i, align 4, !dbg !12
60 br label %while.cond, !dbg !13
62 while.cond: ; preds = %if.end, %entry
63 %0 = load i32, ptr %i, align 4, !dbg !14
64 %inc = add nsw i32 %0, 1, !dbg !14
65 store i32 %inc, ptr %i, align 4, !dbg !14
66 %cmp = icmp slt i32 %0, 400000000, !dbg !14
67 br i1 %cmp, label %while.body, label %while.end, !dbg !14
69 while.body: ; preds = %while.cond
70 %1 = load i32, ptr %i, align 4, !dbg !16
71 %cmp1 = icmp ne i32 %1, 100, !dbg !16
72 br i1 %cmp1, label %if.then, label %if.else, !dbg !16
75 if.then: ; preds = %while.body
76 %2 = load i32, ptr %i, align 4, !dbg !18
77 %3 = load i32, ptr %s, align 4, !dbg !18
78 %call = call i32 @_Z3sumii(i32 %2, i32 %3), !dbg !18
79 store i32 %call, ptr %s, align 4, !dbg !18
80 br label %if.end, !dbg !18
82 if.else: ; preds = %while.body
83 store i32 30, ptr %s, align 4, !dbg !20
86 if.end: ; preds = %if.else, %if.then
87 br label %while.cond, !dbg !22
89 while.end: ; preds = %while.cond
90 %4 = load i32, ptr %s, align 4, !dbg !24
91 %call2 = call i32 (ptr, ...) @printf(ptr @.str, i32 %4), !dbg !24
95 declare i32 @printf(ptr, ...) #2
97 attributes #0 = { "use-sample-profile" }
100 !llvm.module.flags = !{!8, !9}
103 !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)
104 !1 = !DIFile(filename: "calls.cc", directory: ".")
106 !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)
107 !5 = !DIFile(filename: "calls.cc", directory: ".")
108 !6 = !DISubroutineType(types: !2)
109 !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)
110 !8 = !{i32 2, !"Dwarf Version", i32 4}
111 !9 = !{i32 1, !"Debug Info Version", i32 3}
112 !10 = !{!"clang version 3.5 "}
113 !11 = !DILocation(line: 4, scope: !4)
114 !12 = !DILocation(line: 8, scope: !7)
115 !13 = !DILocation(line: 9, scope: !7)
116 !14 = !DILocation(line: 9, scope: !15)
117 !15 = !DILexicalBlockFile(discriminator: 2, file: !1, scope: !7)
118 !16 = !DILocation(line: 10, scope: !17)
119 !17 = distinct !DILexicalBlock(line: 10, column: 0, file: !1, scope: !7)
120 !18 = !DILocation(line: 10, scope: !19)
121 !19 = !DILexicalBlockFile(discriminator: 2, file: !1, scope: !17)
122 !20 = !DILocation(line: 10, scope: !21)
123 !21 = !DILexicalBlockFile(discriminator: 4, file: !1, scope: !17)
124 !22 = !DILocation(line: 10, scope: !23)
125 !23 = !DILexicalBlockFile(discriminator: 6, file: !1, scope: !17)
126 !24 = !DILocation(line: 11, scope: !7)
127 !25 = !DILocation(line: 12, scope: !7)