1; RUN: opt < %s -sample-profile -sample-profile-file=%S/Inputs/warm-inline-instance.prof -S | FileCheck %s 2; RUN: opt < %s -passes=sample-profile -sample-profile-file=%S/Inputs/warm-inline-instance.prof -S | FileCheck %s 3 4@.str = private unnamed_addr constant [11 x i8] c"sum is %d\0A\00", align 1 5 6; Function Attrs: nounwind uwtable 7define i32 @foo(i32 %x, i32 %y) !dbg !4 { 8entry: 9 %x.addr = alloca i32, align 4 10 %y.addr = alloca i32, align 4 11 store i32 %x, i32* %x.addr, align 4 12 store i32 %y, i32* %y.addr, align 4 13 %t0 = load i32, i32* %x.addr, align 4, !dbg !11 14 %t1 = load i32, i32* %y.addr, align 4, !dbg !11 15 %add = add nsw i32 %t0, %t1, !dbg !11 16 ret i32 %add, !dbg !11 17} 18 19define i32 @goo(i32 %x, i32 %y) { 20entry: 21 %x.addr = alloca i32, align 4 22 %y.addr = alloca i32, align 4 23 store i32 %x, i32* %x.addr, align 4 24 store i32 %y, i32* %y.addr, align 4 25 %t0 = load i32, i32* %x.addr, align 4, !dbg !11 26 %t1 = load i32, i32* %y.addr, align 4, !dbg !11 27 %add = add nsw i32 %t0, %t1, !dbg !11 28 ret i32 %add, !dbg !11 29} 30 31; Function Attrs: uwtable 32define i32 @main() !dbg !7 { 33entry: 34 %retval = alloca i32, align 4 35 %s = alloca i32, align 4 36 %i = alloca i32, align 4 37 store i32 0, i32* %retval 38 store i32 0, i32* %i, align 4, !dbg !12 39 br label %while.cond, !dbg !13 40 41while.cond: ; preds = %if.end, %entry 42 %t0 = load i32, i32* %i, align 4, !dbg !14 43 %inc = add nsw i32 %t0, 1, !dbg !14 44 store i32 %inc, i32* %i, align 4, !dbg !14 45 %cmp = icmp slt i32 %t0, 400000000, !dbg !14 46 br i1 %cmp, label %while.body, label %while.end, !dbg !14 47 48while.body: ; preds = %while.cond 49 %t1 = load i32, i32* %i, align 4, !dbg !16 50 %cmp1 = icmp ne i32 %t1, 100, !dbg !16 51 br i1 %cmp1, label %if.then, label %if.else, !dbg !16 52 53if.then: ; preds = %while.body 54 %t2 = load i32, i32* %i, align 4, !dbg !18 55 %t3 = load i32, i32* %s, align 4, !dbg !18 56; Although the ratio of total samples of @foo vs total samples of @main is 57; small, since the total samples count is larger than hot cutoff computed by 58; ProfileSummaryInfo, we will still regard the callsite of foo as hot and 59; early inlining will inline it. 60; CHECK-LABEL: @main( 61; CHECK-NOT: call i32 @foo(i32 %t2, i32 %t3) 62 %call1 = call i32 @foo(i32 %t2, i32 %t3), !dbg !18 63 store i32 %call1, i32* %s, align 4, !dbg !18 64 br label %if.end, !dbg !18 65 66if.else: ; preds = %while.body 67; call @goo 's basicblock doesn't get any sample, so no profile will be annotated. 68; CHECK: call i32 @goo(i32 2, i32 3), !dbg !{{[0-9]+}} 69; CHECK-NOT: !prof 70; CHECK-SAME: {{$}} 71 %call2 = call i32 @goo(i32 2, i32 3), !dbg !26 72 store i32 %call2, i32* %s, align 4, !dbg !20 73 br label %if.end 74 75if.end: ; preds = %if.else, %if.then 76 br label %while.cond, !dbg !22 77 78while.end: ; preds = %while.cond 79 %t4 = load i32, i32* %s, align 4, !dbg !24 80 %call3 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([11 x i8], [11 x i8]* @.str, i32 0, i32 0), i32 %t4), !dbg !24 81 ret i32 0, !dbg !25 82} 83 84declare i32 @printf(i8*, ...) #2 85 86!llvm.dbg.cu = !{!0} 87!llvm.module.flags = !{!8, !9} 88!llvm.ident = !{!10} 89 90!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) 91!1 = !DIFile(filename: "calls.cc", directory: ".") 92!2 = !{} 93!4 = distinct !DISubprogram(name: "foo", line: 3, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false, unit: !0, scopeLine: 3, file: !1, scope: !5, type: !6, retainedNodes: !2) 94!5 = !DIFile(filename: "calls.cc", directory: ".") 95!6 = !DISubroutineType(types: !2) 96!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) 97!8 = !{i32 2, !"Dwarf Version", i32 4} 98!9 = !{i32 1, !"Debug Info Version", i32 3} 99!10 = !{!"clang version 3.5 "} 100!11 = !DILocation(line: 4, scope: !4) 101!12 = !DILocation(line: 8, scope: !7) 102!13 = !DILocation(line: 9, scope: !7) 103!14 = !DILocation(line: 9, scope: !15) 104!15 = !DILexicalBlockFile(discriminator: 2, file: !1, scope: !7) 105!16 = !DILocation(line: 10, scope: !17) 106!17 = distinct !DILexicalBlock(line: 10, column: 0, file: !1, scope: !7) 107!18 = !DILocation(line: 10, scope: !19) 108!19 = !DILexicalBlockFile(discriminator: 2, file: !1, scope: !17) 109!20 = !DILocation(line: 10, scope: !21) 110!21 = !DILexicalBlockFile(discriminator: 4, file: !1, scope: !17) 111!22 = !DILocation(line: 10, scope: !23) 112!23 = !DILexicalBlockFile(discriminator: 6, file: !1, scope: !17) 113!24 = !DILocation(line: 11, scope: !7) 114!25 = !DILocation(line: 12, scope: !7) 115!26 = !DILocation(line: 11, scope: !19) 116