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