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 6 7; Original C++ test case 8; 9; #include <stdio.h> 10; 11; int sum(int x, int y) { 12; return x + y; 13; } 14; 15; int main() { 16; int s, i = 0; 17; while (i++ < 20000 * 20000) 18; if (i != 100) s = sum(i, s); else s = 30; 19; printf("sum is %d\n", s); 20; return 0; 21; } 22; 23@.str = private unnamed_addr constant [11 x i8] c"sum is %d\0A\00", align 1 24 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} 35 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 38 39; Function Attrs: nounwind uwtable 40define i32 @_Z3sumii(i32 %x, i32 %y) #0 !dbg !4 { 41entry: 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 50} 51 52; Function Attrs: uwtable 53define i32 @main() #0 !dbg !7 { 54entry: 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 61 62while.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 68 69while.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 73 74 75if.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 81 82if.else: ; preds = %while.body 83 store i32 30, ptr %s, align 4, !dbg !20 84 br label %if.end 85 86if.end: ; preds = %if.else, %if.then 87 br label %while.cond, !dbg !22 88 89while.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 92 ret i32 0, !dbg !25 93} 94 95declare i32 @printf(ptr, ...) #2 96 97attributes #0 = { "use-sample-profile" } 98 99!llvm.dbg.cu = !{!0} 100!llvm.module.flags = !{!8, !9} 101!llvm.ident = !{!10} 102 103!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: ".") 105!2 = !{} 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) 128