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 7 define i32 @foo(i32 %x, i32 %y) !dbg !4 { 8 entry: 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 19 define i32 @goo(i32 %x, i32 %y) { 20 entry: 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 32 define i32 @main() !dbg !7 { 33 entry: 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 41 while.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 48 while.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 53 if.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 66 if.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 75 if.end: ; preds = %if.else, %if.then 76 br label %while.cond, !dbg !22 77 78 while.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 84 declare 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
