test/CodeGen/AArch64/GlobalISel/legalize-memlib-debug-loc.mir

# RUN: llc -mtriple=aarch64-- -run-pass=legalizer -verify-machineinstrs %s -o - | FileCheck %s
--- |
  target datalayout = "e-m:o-i64:64-i128:128-n32:64-S128"
  target triple = "arm64-apple-ios13.0.0"

  define void @test_memset_debug(i8* %ptr, i32 %c, i32 %len) local_unnamed_addr!dbg !9 {
  entry:
    %conv = zext i32 %len to i64, !dbg !11
    %0 = trunc i32 %c to i8, !dbg !11
    call void @llvm.memset.p0i8.i64(i8* align 1 %ptr, i8 %0, i64 %conv, i1 false) #3, !dbg !11
    ret void, !dbg !12
  }

  declare void @llvm.memset.p0i8.i64(i8* nocapture writeonly, i8, i64, i1 immarg) #1
  attributes #1 = { argmemonly nounwind willreturn writeonly }

  !llvm.module.flags = !{!0, !1, !2, !3, !4}
  !llvm.dbg.cu = !{!5}
  !llvm.ident = !{!8}

  !0 = !{i32 2, !"SDK Version", [2 x i32] [i32 14, i32 0]}
  !1 = !{i32 7, !"Dwarf Version", i32 4}
  !2 = !{i32 2, !"Debug Info Version", i32 3}
  !3 = !{i32 1, !"wchar_size", i32 4}
  !4 = !{i32 7, !"PIC Level", i32 2}
  !5 = distinct !DICompileUnit(language: DW_LANG_C99, file: !6, producer: "clang")
  !6 = !DIFile(filename: "foo.c", directory: "/")
  !7 = !{}
  !8 = !{!"clang"}
  !9 = distinct !DISubprogram(name: "test_memset_debug", scope: !6, file: !6, line: 3, type: !10, scopeLine: 3, flags: DIFlagPrototyped | DIFlagAllCallsDescribed, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !5, retainedNodes: !7)
  !10 = !DISubroutineType(types: !7)
  !11 = !DILocation(line: 4, column: 3, scope: !9)
  !12 = !DILocation(line: 5, column: 1, scope: !9)

...
---
name:            test_memset_debug
alignment:       4
tracksRegLiveness: true
liveins:
  - { reg: '$x0' }
  - { reg: '$w1' }
  - { reg: '$w2' }
body:             |
  bb.1.entry:
    liveins: $w1, $w2, $x0

    ; We're checking that the BL call has the debug loc of the original intrinsic call.
    ; CHECK-LABEL: name: test_memset_debug
    ; CHECK: BL &memset, csr_aarch64_aapcs, implicit-def $lr, implicit $sp, implicit $x0, implicit $w1, implicit $x2, debug-location !11
    ; CHECK: RET_ReallyLR debug-location !12
    %0:_(p0) = COPY $x0
    %1:_(s32) = COPY $w1
    %2:_(s32) = COPY $w2
    %3:_(s64) = G_ZEXT %2(s32), debug-location !11
    %4:_(s8) = G_TRUNC %1(s32), debug-location !11
    G_MEMSET %0(p0), %4(s8), %3(s64), 0, debug-location !11 :: (store 1 into %ir.ptr)
    RET_ReallyLR debug-location !12

...