1; REQUIRES: zlib 2; RUN: opt < %s -passes=sample-profile -sample-profile-file=%S/Inputs/inline.prof -S | FileCheck %s 3; RUN: llvm-profdata merge -sample -extbinary -compress-all-sections %S/Inputs/inline.prof -o %t.compress.extbinary.afdo 4; RUN: opt < %s -passes=sample-profile -sample-profile-file=%t.compress.extbinary.afdo -S | FileCheck %s 5 6; Original C++ test case 7; 8; #include <stdio.h> 9; 10; int sum(int x, int y) { 11; return x + y; 12; } 13; 14; int main() { 15; int s, i = 0; 16; while (i++ < 20000 * 20000) 17; if (i != 100) s = sum(i, s); else s = 30; 18; printf("sum is %d\n", s); 19; return 0; 20; } 21; 22@.str = private unnamed_addr constant [11 x i8] c"sum is %d\0A\00", align 1 23 24; Check sample-profile phase using compressed extbinary format profile 25; will annotate the IR with exactly the same result as using text format. 26; CHECK: br i1 %cmp, label %while.body, label %while.end{{.*}} !prof ![[IDX1:[0-9]*]] 27; CHECK: br i1 %cmp1, label %if.then, label %if.else{{.*}} !prof ![[IDX2:[0-9]*]] 28; CHECK: call i32 (ptr, ...) @printf{{.*}} !prof ![[IDX3:[0-9]*]] 29; CHECK: = !{!"TotalCount", i64 26781} 30; CHECK: = !{!"MaxCount", i64 5553} 31; CHECK: ![[IDX1]] = !{!"branch_weights", i32 5392, i32 163} 32; CHECK: ![[IDX2]] = !{!"branch_weights", i32 5280, i32 113} 33; CHECK: ![[IDX3]] = !{!"branch_weights", i32 1} 34 35; Function Attrs: nounwind uwtable 36define i32 @_Z3sumii(i32 %x, i32 %y) #0 !dbg !4 { 37entry: 38 %x.addr = alloca i32, align 4 39 %y.addr = alloca i32, align 4 40 store i32 %x, ptr %x.addr, align 4 41 store i32 %y, ptr %y.addr, align 4 42 %0 = load i32, ptr %x.addr, align 4, !dbg !11 43 %1 = load i32, ptr %y.addr, align 4, !dbg !11 44 %add = add nsw i32 %0, %1, !dbg !11 45 ret i32 %add, !dbg !11 46} 47 48; Function Attrs: uwtable 49define i32 @main() #0 !dbg !7 { 50entry: 51 %retval = alloca i32, align 4 52 %s = alloca i32, align 4 53 %i = alloca i32, align 4 54 store i32 0, ptr %retval 55 store i32 0, ptr %i, align 4, !dbg !12 56 br label %while.cond, !dbg !13 57 58while.cond: ; preds = %if.end, %entry 59 %0 = load i32, ptr %i, align 4, !dbg !14 60 %inc = add nsw i32 %0, 1, !dbg !14 61 store i32 %inc, ptr %i, align 4, !dbg !14 62 %cmp = icmp slt i32 %0, 400000000, !dbg !14 63 br i1 %cmp, label %while.body, label %while.end, !dbg !14 64 65while.body: ; preds = %while.cond 66 %1 = load i32, ptr %i, align 4, !dbg !16 67 %cmp1 = icmp ne i32 %1, 100, !dbg !16 68 br i1 %cmp1, label %if.then, label %if.else, !dbg !16 69 70 71if.then: ; preds = %while.body 72 %2 = load i32, ptr %i, align 4, !dbg !18 73 %3 = load i32, ptr %s, align 4, !dbg !18 74 %call = call i32 @_Z3sumii(i32 %2, i32 %3), !dbg !18 75 store i32 %call, ptr %s, align 4, !dbg !18 76 br label %if.end, !dbg !18 77 78if.else: ; preds = %while.body 79 store i32 30, ptr %s, align 4, !dbg !20 80 br label %if.end 81 82if.end: ; preds = %if.else, %if.then 83 br label %while.cond, !dbg !22 84 85while.end: ; preds = %while.cond 86 %4 = load i32, ptr %s, align 4, !dbg !24 87 %call2 = call i32 (ptr, ...) @printf(ptr @.str, i32 %4), !dbg !24 88 ret i32 0, !dbg !25 89} 90 91declare i32 @printf(ptr, ...) #2 92 93attributes #0 = { "use-sample-profile" } 94 95!llvm.dbg.cu = !{!0} 96!llvm.module.flags = !{!8, !9} 97!llvm.ident = !{!10} 98 99!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) 100!1 = !DIFile(filename: "calls.cc", directory: ".") 101!2 = !{} 102!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) 103!5 = !DIFile(filename: "calls.cc", directory: ".") 104!6 = !DISubroutineType(types: !2) 105!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) 106!8 = !{i32 2, !"Dwarf Version", i32 4} 107!9 = !{i32 1, !"Debug Info Version", i32 3} 108!10 = !{!"clang version 3.5 "} 109!11 = !DILocation(line: 4, scope: !4) 110!12 = !DILocation(line: 8, scope: !7) 111!13 = !DILocation(line: 9, scope: !7) 112!14 = !DILocation(line: 9, scope: !15) 113!15 = !DILexicalBlockFile(discriminator: 2, file: !1, scope: !7) 114!16 = !DILocation(line: 10, scope: !17) 115!17 = distinct !DILexicalBlock(line: 10, column: 0, file: !1, scope: !7) 116!18 = !DILocation(line: 10, scope: !19) 117!19 = !DILexicalBlockFile(discriminator: 2, file: !1, scope: !17) 118!20 = !DILocation(line: 10, scope: !21) 119!21 = !DILexicalBlockFile(discriminator: 4, file: !1, scope: !17) 120!22 = !DILocation(line: 10, scope: !23) 121!23 = !DILexicalBlockFile(discriminator: 6, file: !1, scope: !17) 122!24 = !DILocation(line: 11, scope: !7) 123!25 = !DILocation(line: 12, scope: !7) 124