105 lines
4.8 KiB
LLVM
105 lines
4.8 KiB
LLVM
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; Let sample profile loader replay inlining of small/cold functions
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; Make sure we don't inline the cold call sites by default
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; RUN: opt < %s -sample-profile -sample-profile-file=%S/Inputs/inline-cold.prof -S | FileCheck -check-prefix=NOTINLINE %s
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; RUN: opt < %s -passes=sample-profile -sample-profile-file=%S/Inputs/inline-cold.prof -S | FileCheck -check-prefix=NOTINLINE %s
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; Make sure we inline code call sites for size if requested
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; RUN: opt < %s -sample-profile -sample-profile-file=%S/Inputs/inline-cold.prof -sample-profile-inline-size -S | FileCheck -check-prefix=INLINE %s
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; Make sure we re-inline everything if requested
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; RUN: opt < %s -passes=sample-profile -sample-profile-file=%S/Inputs/inline-cold.prof -sample-profile-inline-size -sample-profile-cold-inline-threshold=9999999 -S | FileCheck -check-prefix=INLINE %s
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; Make sure the separate size threshold for sample profile loader inlining works
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; RUN: opt < %s -passes=sample-profile -sample-profile-file=%S/Inputs/inline-cold.prof -sample-profile-inline-size -sample-profile-cold-inline-threshold=-500 -S | FileCheck -check-prefix=NOTINLINE %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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define i32 @_Z3sumii(i32 %x, i32 %y) #0 !dbg !6 {
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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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%tmp = load i32, i32* %x.addr, align 4, !dbg !8
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%tmp1 = load i32, i32* %y.addr, align 4, !dbg !8
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%add = add nsw i32 %tmp, %tmp1, !dbg !8
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ret i32 %add, !dbg !8
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}
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define i32 @main() #0 !dbg !9 {
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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 !10
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br label %while.cond, !dbg !11
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while.cond: ; preds = %if.end, %entry
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%tmp = load i32, i32* %i, align 4, !dbg !12
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%inc = add nsw i32 %tmp, 1, !dbg !12
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store i32 %inc, i32* %i, align 4, !dbg !12
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%cmp = icmp slt i32 %tmp, 400000000, !dbg !12
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br i1 %cmp, label %while.body, label %while.end, !dbg !12
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while.body: ; preds = %while.cond
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%tmp1 = load i32, i32* %i, align 4, !dbg !14
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%cmp1 = icmp ne i32 %tmp1, 100, !dbg !14
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br i1 %cmp1, label %if.then, label %if.else, !dbg !14
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if.then: ; preds = %while.body
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%tmp2 = load i32, i32* %i, align 4, !dbg !16
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%tmp3 = load i32, i32* %s, align 4, !dbg !16
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%call = call i32 @_Z3sumii(i32 %tmp2, i32 %tmp3), !dbg !16
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; INLINE-NOT: call i32 @_Z3sumii
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; NOTINLINE: call i32 @_Z3sumii
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store i32 %call, i32* %s, align 4, !dbg !16
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br label %if.end, !dbg !16
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if.else: ; preds = %while.body
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store i32 30, i32* %s, align 4, !dbg !18
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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 !20
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while.end: ; preds = %while.cond
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%tmp4 = load i32, i32* %s, align 4, !dbg !22
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%call2 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([11 x i8], [11 x i8]* @.str, i32 0, i32 0), i32 %tmp4), !dbg !22
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ret i32 0, !dbg !23
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}
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attributes #0 = { "use-sample-profile" }
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declare i32 @printf(i8*, ...)
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!llvm.dbg.cu = !{!0}
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!llvm.module.flags = !{!3, !4}
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!llvm.ident = !{!5}
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!0 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, file: !1, producer: "clang version 3.5 ", isOptimized: false, runtimeVersion: 0, emissionKind: NoDebug, 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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!3 = !{i32 2, !"Dwarf Version", i32 4}
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!4 = !{i32 1, !"Debug Info Version", i32 3}
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!5 = !{!"clang version 3.5 "}
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!6 = distinct !DISubprogram(name: "sum", scope: !1, file: !1, line: 3, type: !7, scopeLine: 3, virtualIndex: 6, flags: DIFlagPrototyped, spFlags: DISPFlagDefinition, unit: !0, retainedNodes: !2)
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!7 = !DISubroutineType(types: !2)
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!8 = !DILocation(line: 4, scope: !6)
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!9 = distinct !DISubprogram(name: "main", scope: !1, file: !1, line: 7, type: !7, scopeLine: 7, virtualIndex: 6, flags: DIFlagPrototyped, spFlags: DISPFlagDefinition, unit: !0, retainedNodes: !2)
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!10 = !DILocation(line: 8, scope: !9)
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!11 = !DILocation(line: 9, scope: !9)
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!12 = !DILocation(line: 9, scope: !13)
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!13 = !DILexicalBlockFile(scope: !9, file: !1, discriminator: 2)
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!14 = !DILocation(line: 10, scope: !15)
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!15 = distinct !DILexicalBlock(scope: !9, file: !1, line: 10)
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!16 = !DILocation(line: 10, scope: !17)
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!17 = !DILexicalBlockFile(scope: !15, file: !1, discriminator: 2)
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!18 = !DILocation(line: 10, scope: !19)
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!19 = !DILexicalBlockFile(scope: !15, file: !1, discriminator: 4)
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!20 = !DILocation(line: 10, scope: !21)
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!21 = !DILexicalBlockFile(scope: !15, file: !1, discriminator: 6)
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!22 = !DILocation(line: 11, scope: !9)
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!23 = !DILocation(line: 12, scope: !9)
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