diff options
Diffstat (limited to 'llvm/test/CodeGen/X86/insert-prefetch-inline.ll')
| -rw-r--r-- | llvm/test/CodeGen/X86/insert-prefetch-inline.ll | 76 |
1 files changed, 76 insertions, 0 deletions
diff --git a/llvm/test/CodeGen/X86/insert-prefetch-inline.ll b/llvm/test/CodeGen/X86/insert-prefetch-inline.ll new file mode 100644 index 00000000000..5f8373f9480 --- /dev/null +++ b/llvm/test/CodeGen/X86/insert-prefetch-inline.ll @@ -0,0 +1,76 @@ +; RUN: llc < %s -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 |
