1; RUN: opt < %s -passes=sample-profile -sample-profile-file=%S/Inputs/use-sample-profile-attr.prof -S | FileCheck %s 2 3@.str = private unnamed_addr constant [11 x i8] c"sum is %d\0A\00", align 1 4 5;; @goo doesn't have use-sample-profile attribute so it won't have 6;; profile annotated. 7; CHECK-NOT: @goo{{.*}} !prof 8define void @goo() !dbg !26 { 9 ret void 10} 11 12;; @foo has use-sample-profile attribute so it will have profile annotated. 13; CHECK: @foo{{.*}} !prof ![[HDRCNT1:[0-9]+]] 14define i32 @foo(i32 %x, i32 %y) #0 !dbg !4 { 15entry: 16 %x.addr = alloca i32, align 4 17 %y.addr = alloca i32, align 4 18 store i32 %x, ptr %x.addr, align 4 19 store i32 %y, ptr %y.addr, align 4 20 %0 = load i32, ptr %x.addr, align 4, !dbg !11 21 %1 = load i32, ptr %y.addr, align 4, !dbg !11 22 %add = add nsw i32 %0, %1, !dbg !11 23 ret i32 %add, !dbg !11 24} 25 26;; @main has use-sample-profile attribute so it will have profile annotated. 27; CHECK: @main{{.*}} !prof ![[HDRCNT2:[0-9]+]] 28define i32 @main() #1 !dbg !7 { 29entry: 30 %retval = alloca i32, align 4 31 %s = alloca i32, align 4 32 %i = alloca i32, align 4 33 store i32 0, ptr %retval 34 store i32 0, ptr %i, align 4, !dbg !12 35 br label %while.cond, !dbg !13 36 37while.cond: ; preds = %if.end, %entry 38 %0 = load i32, ptr %i, align 4, !dbg !14 39 %inc = add nsw i32 %0, 1, !dbg !14 40 store i32 %inc, ptr %i, align 4, !dbg !14 41 %cmp = icmp slt i32 %0, 400000000, !dbg !14 42 br i1 %cmp, label %while.body, label %while.end, !dbg !14 43 44while.body: ; preds = %while.cond 45 %1 = load i32, ptr %i, align 4, !dbg !16 46 %cmp1 = icmp ne i32 %1, 100, !dbg !16 47 br i1 %cmp1, label %if.then, label %if.else, !dbg !16 48 49 50if.then: ; preds = %while.body 51 %2 = load i32, ptr %i, align 4, !dbg !18 52 %3 = load i32, ptr %s, align 4, !dbg !18 53;; @foo is inlined because the callsite is hot and @foo has use-sample-profile 54;; attribute. 55; CHECK: if.then: 56; CHECK-NOT: call i32 @foo 57 %call = call i32 @foo(i32 %2, i32 %3), !dbg !18 58 store i32 %call, ptr %s, align 4, !dbg !18 59 br label %if.end, !dbg !18 60 61if.else: ; preds = %while.body 62;; @goo is not inlined because @goo doesn't have use-sample-profile attribute. 63; CHECK: if.else: 64; CHECK: call void @goo 65 call void @goo(), !dbg !27 66 store i32 30, ptr %s, align 4, !dbg !20 67 br label %if.end 68 69if.end: ; preds = %if.else, %if.then 70 br label %while.cond, !dbg !22 71 72while.end: ; preds = %while.cond 73 %4 = load i32, ptr %s, align 4, !dbg !24 74 %call2 = call i32 (ptr, ...) @printf(ptr @.str, i32 %4), !dbg !24 75 ret i32 0, !dbg !25 76} 77 78; CHECK: ![[HDRCNT1]] = !{!"function_entry_count", i64 11} 79; CHECK: ![[HDRCNT2]] = !{!"function_entry_count", i64 2} 80 81attributes #0 = {"use-sample-profile"} 82attributes #1 = {"use-sample-profile"} 83 84declare i32 @printf(ptr, ...) 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 = distinct !DISubprogram(name: "goo", line: 11, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false, unit: !0, scopeLine: 3, file: !1, scope: !5, type: !6, retainedNodes: !2) 116!27 = !DILocation(line: 11, column: 20, scope: !7) 117