forked from OSchip/llvm-project
116 lines
4.9 KiB
LLVM
116 lines
4.9 KiB
LLVM
; RUN: opt < %s -sample-profile -sample-profile-file=%S/Inputs/warm-inline-instance.prof -S | FileCheck %s
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; RUN: opt < %s -passes=sample-profile -sample-profile-file=%S/Inputs/warm-inline-instance.prof -S | FileCheck %s
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@.str = private unnamed_addr constant [11 x i8] c"sum is %d\0A\00", align 1
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; Function Attrs: nounwind uwtable
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define i32 @foo(i32 %x, i32 %y) !dbg !4 {
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entry:
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%x.addr = alloca i32, align 4
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%y.addr = alloca i32, align 4
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store i32 %x, i32* %x.addr, align 4
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store i32 %y, i32* %y.addr, align 4
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%t0 = load i32, i32* %x.addr, align 4, !dbg !11
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%t1 = load i32, i32* %y.addr, align 4, !dbg !11
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%add = add nsw i32 %t0, %t1, !dbg !11
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ret i32 %add, !dbg !11
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}
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define i32 @goo(i32 %x, i32 %y) {
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entry:
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%x.addr = alloca i32, align 4
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%y.addr = alloca i32, align 4
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store i32 %x, i32* %x.addr, align 4
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store i32 %y, i32* %y.addr, align 4
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%t0 = load i32, i32* %x.addr, align 4, !dbg !11
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%t1 = load i32, i32* %y.addr, align 4, !dbg !11
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%add = add nsw i32 %t0, %t1, !dbg !11
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ret i32 %add, !dbg !11
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}
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; Function Attrs: uwtable
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define i32 @main() !dbg !7 {
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entry:
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%retval = alloca i32, align 4
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%s = alloca i32, align 4
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%i = alloca i32, align 4
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store i32 0, i32* %retval
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store i32 0, i32* %i, align 4, !dbg !12
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br label %while.cond, !dbg !13
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while.cond: ; preds = %if.end, %entry
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%t0 = load i32, i32* %i, align 4, !dbg !14
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%inc = add nsw i32 %t0, 1, !dbg !14
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store i32 %inc, i32* %i, align 4, !dbg !14
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%cmp = icmp slt i32 %t0, 400000000, !dbg !14
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br i1 %cmp, label %while.body, label %while.end, !dbg !14
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while.body: ; preds = %while.cond
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%t1 = load i32, i32* %i, align 4, !dbg !16
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%cmp1 = icmp ne i32 %t1, 100, !dbg !16
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br i1 %cmp1, label %if.then, label %if.else, !dbg !16
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if.then: ; preds = %while.body
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%t2 = load i32, i32* %i, align 4, !dbg !18
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%t3 = load i32, i32* %s, align 4, !dbg !18
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; Although the ratio of total samples of @foo vs total samples of @main is
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; small, since the total samples count is larger than hot cutoff computed by
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; ProfileSummaryInfo, we will still regard the callsite of foo as hot and
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; early inlining will inline it.
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; CHECK-LABEL: @main(
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; CHECK-NOT: call i32 @foo(i32 %t2, i32 %t3)
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%call1 = call i32 @foo(i32 %t2, i32 %t3), !dbg !18
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store i32 %call1, i32* %s, align 4, !dbg !18
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br label %if.end, !dbg !18
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if.else: ; preds = %while.body
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; call @goo 's basicblock doesn't get any sample, so no profile will be annotated.
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; CHECK: call i32 @goo(i32 2, i32 3), !dbg !{{[0-9]+}}
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; CHECK-NOT: !prof
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; CHECK-SAME: {{$}}
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%call2 = call i32 @goo(i32 2, i32 3), !dbg !26
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store i32 %call2, i32* %s, align 4, !dbg !20
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br label %if.end
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if.end: ; preds = %if.else, %if.then
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br label %while.cond, !dbg !22
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while.end: ; preds = %while.cond
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%t4 = load i32, i32* %s, align 4, !dbg !24
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%call3 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([11 x i8], [11 x i8]* @.str, i32 0, i32 0), i32 %t4), !dbg !24
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ret i32 0, !dbg !25
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}
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declare i32 @printf(i8*, ...) #2
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!llvm.dbg.cu = !{!0}
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!llvm.module.flags = !{!8, !9}
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!llvm.ident = !{!10}
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!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)
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!1 = !DIFile(filename: "calls.cc", directory: ".")
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!2 = !{}
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!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)
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!5 = !DIFile(filename: "calls.cc", directory: ".")
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!6 = !DISubroutineType(types: !2)
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!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)
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!8 = !{i32 2, !"Dwarf Version", i32 4}
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!9 = !{i32 1, !"Debug Info Version", i32 3}
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!10 = !{!"clang version 3.5 "}
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!11 = !DILocation(line: 4, scope: !4)
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!12 = !DILocation(line: 8, scope: !7)
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!13 = !DILocation(line: 9, scope: !7)
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!14 = !DILocation(line: 9, scope: !15)
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!15 = !DILexicalBlockFile(discriminator: 2, file: !1, scope: !7)
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!16 = !DILocation(line: 10, scope: !17)
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!17 = distinct !DILexicalBlock(line: 10, column: 0, file: !1, scope: !7)
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!18 = !DILocation(line: 10, scope: !19)
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!19 = !DILexicalBlockFile(discriminator: 2, file: !1, scope: !17)
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!20 = !DILocation(line: 10, scope: !21)
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!21 = !DILexicalBlockFile(discriminator: 4, file: !1, scope: !17)
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!22 = !DILocation(line: 10, scope: !23)
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!23 = !DILexicalBlockFile(discriminator: 6, file: !1, scope: !17)
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!24 = !DILocation(line: 11, scope: !7)
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!25 = !DILocation(line: 12, scope: !7)
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!26 = !DILocation(line: 11, scope: !19)
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