77 lines
3.5 KiB
LLVM
77 lines
3.5 KiB
LLVM
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; RUN: llc < %s -x86-discriminate-memops -prefetch-hints-file=%S/insert-prefetch-inline.afdo | FileCheck %s
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;
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; Verify we can insert prefetch instructions in code belonging to inlined
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; functions.
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;
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; ModuleID = 'test.cc'
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target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
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target triple = "x86_64-unknown-linux-gnu"
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; Function Attrs: norecurse nounwind readonly uwtable
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define dso_local i32 @sum(i32* nocapture readonly %arr, i32 %pos1, i32 %pos2) local_unnamed_addr #0 !dbg !7 {
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entry:
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%idxprom = sext i32 %pos1 to i64, !dbg !10
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%arrayidx = getelementptr inbounds i32, i32* %arr, i64 %idxprom, !dbg !10
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%0 = load i32, i32* %arrayidx, align 4, !dbg !10, !tbaa !11
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%idxprom1 = sext i32 %pos2 to i64, !dbg !15
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%arrayidx2 = getelementptr inbounds i32, i32* %arr, i64 %idxprom1, !dbg !15
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%1 = load i32, i32* %arrayidx2, align 4, !dbg !15, !tbaa !11
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%add = add nsw i32 %1, %0, !dbg !16
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ret i32 %add, !dbg !17
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}
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; "caller" inlines "sum". The associated .afdo file references instructions
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; in "caller" that came from "sum"'s inlining.
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;
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; Function Attrs: norecurse nounwind readonly uwtable
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define dso_local i32 @caller(i32* nocapture readonly %arr) local_unnamed_addr #0 !dbg !18 {
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entry:
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%0 = load i32, i32* %arr, align 4, !dbg !19, !tbaa !11
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%arrayidx2.i = getelementptr inbounds i32, i32* %arr, i64 2, !dbg !21
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%1 = load i32, i32* %arrayidx2.i, align 4, !dbg !21, !tbaa !11
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%add.i = add nsw i32 %1, %0, !dbg !22
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ret i32 %add.i, !dbg !23
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}
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attributes #0 = { "target-cpu"="x86-64" }
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!llvm.dbg.cu = !{!0}
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!llvm.module.flags = !{!3, !4, !5}
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!llvm.ident = !{!6}
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!0 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, file: !1, producer: "clang version 7.0.0 (trunk 324940) (llvm/trunk 324941)", isOptimized: true, runtimeVersion: 0, emissionKind: LineTablesOnly, enums: !2, debugInfoForProfiling: true)
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!1 = !DIFile(filename: "test.cc", directory: "/tmp")
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!2 = !{}
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!3 = !{i32 2, !"Dwarf Version", i32 4}
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!4 = !{i32 2, !"Debug Info Version", i32 3}
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!5 = !{i32 1, !"wchar_size", i32 4}
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!6 = !{!"clang version 7.0.0 (trunk 324940) (llvm/trunk 324941)"}
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!7 = distinct !DISubprogram(name: "sum", linkageName: "sum", scope: !8, file: !8, line: 3, type: !9, isLocal: false, isDefinition: true, scopeLine: 3, flags: DIFlagPrototyped, isOptimized: true, unit: !0)
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!8 = !DIFile(filename: "./test.h", directory: "/tmp")
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!9 = !DISubroutineType(types: !2)
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!10 = !DILocation(line: 6, column: 10, scope: !7)
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!11 = !{!12, !12, i64 0}
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!12 = !{!"int", !13, i64 0}
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!13 = !{!"omnipotent char", !14, i64 0}
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!14 = !{!"Simple C++ TBAA"}
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!15 = !DILocation(line: 6, column: 22, scope: !7)
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!16 = !DILocation(line: 6, column: 20, scope: !7)
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!17 = !DILocation(line: 6, column: 3, scope: !7)
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!18 = distinct !DISubprogram(name: "caller", linkageName: "caller", scope: !1, file: !1, line: 4, type: !9, isLocal: false, isDefinition: true, scopeLine: 4, flags: DIFlagPrototyped, isOptimized: true, unit: !0)
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!19 = !DILocation(line: 6, column: 10, scope: !7, inlinedAt: !20)
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!20 = distinct !DILocation(line: 6, column: 10, scope: !18)
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!21 = !DILocation(line: 6, column: 22, scope: !7, inlinedAt: !20)
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!22 = !DILocation(line: 6, column: 20, scope: !7, inlinedAt: !20)
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!23 = !DILocation(line: 6, column: 3, scope: !18)
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; CHECK-LABEL: caller:
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; CHECK-LABEL: # %bb.0:
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; CHECK-NEXT: .loc 1 6 22 prologue_end
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; CHECK-NEXT: prefetchnta 23464(%rdi)
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; CHECK-NEXT: movl 8(%rdi), %eax
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; CHECK-NEXT: .loc 1 6 20 is_stmt 0 discriminator 2
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; CHECK-NEXT: prefetchnta 8764(%rdi)
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; CHECK-NEXT: prefetchnta 64(%rdi)
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; CHECK-NEXT: addl (%rdi), %eax
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