75 lines
3.3 KiB
LLVM
75 lines
3.3 KiB
LLVM
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; RUN: opt %s -passes=sample-profile -sample-profile-file=%S/Inputs/remap-2.prof -sample-profile-remapping-file=%S/Inputs/remap.map -S | FileCheck %s
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; Check profile remapping works for searching inline instance, searching
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; indirect call promotion candidate and prevent recursive inline.
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@x.addr = common global i32 zeroinitializer, align 16
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@y.addr = common global i32 zeroinitializer, align 16
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define i32 @_ZN3foo3barERKN1M1XINS_6detail3quxEEE() #0 !dbg !9 {
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entry:
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%t0 = load i32, i32* @x.addr, align 4
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%t1 = load i32, i32* @y.addr, align 4
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%add = add nsw i32 %t0, %t1
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ret i32 %add
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}
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define i32 @_ZN1M1XE() #0 !dbg !10 {
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entry:
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%t0 = load i32, i32* @x.addr, align 4
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%t1 = load i32, i32* @y.addr, align 4
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%sub = sub nsw i32 %t0, %t1
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ret i32 %sub
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}
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define void @test(i32 ()*) #0 !dbg !4 {
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%t2 = alloca i32 ()*
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store i32 ()* %0, i32 ()** %t2
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%t3 = load i32 ()*, i32 ()** %t2
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; Check call i32 %t3 has been indirect call promoted and call i32 @_ZN1M1XE
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; has been inlined.
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; CHECK-LABEL: @test(
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; CHECK: icmp eq i32 ()* %t3, @_ZN3foo3barERKN1M1XINS_6detail3quxEEE
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; CHECK-NOT: call i32 @_ZN1M1XE
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%t4 = call i32 %t3(), !dbg !7
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%t5 = call i32 @_ZN1M1XE(), !dbg !8
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ret void
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}
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define void @_ZN1M1X1YE(i32 ()*) #0 !dbg !11 {
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%t2 = alloca i32 ()*
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store i32 ()* %0, i32 ()** %t2
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%t3 = load i32 ()*, i32 ()** %t2
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; Check call i32 %t3 has got its profile but is not indirect call promoted
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; because the promotion candidate is a recursive call to the current function.
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; CHECK-LABEL: @_ZN1M1X1YE(
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; CHECK: call i32 %t3(), {{.*}} !prof ![[PROFID:[0-9]+]]
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; CHECK-NOT: icmp eq i32 ()* %t3, @_ZN1M1X1YE
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%t4 = call i32 %t3(), !dbg !12
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ret void
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}
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; CHECK: ![[PROFID]] = !{!"VP", i32 0, i64 3000
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attributes #0 = { "use-sample-profile" }
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!llvm.dbg.cu = !{!0}
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!llvm.module.flags = !{!13, !14}
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!llvm.ident = !{!15}
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!0 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, producer: "clang version 3.5 ", isOptimized: false, emissionKind: FullDebug, 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: "test", 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 = !DILocation(line: 8, scope: !4)
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!8 = !DILocation(line: 9, scope: !4)
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!9 = distinct !DISubprogram(name: "_ZN3foo3barERKN1M1XINS_6detail3quxEEE", line: 15, 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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!10 = distinct !DISubprogram(name: "_ZN1M1XE", line: 20, 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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!11 = distinct !DISubprogram(name: "_ZN1M1X1YE", line: 25, 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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!12 = !DILocation(line: 30, scope: !11)
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!13 = !{i32 2, !"Dwarf Version", i32 4}
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!14 = !{i32 1, !"Debug Info Version", i32 3}
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!15 = !{!"clang version 3.5 "}
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