# This test checks to make sure that when an instruction (%3 in the test) is 
# moved due to matching a result of a fold of two other instructions
# (%1, and %2 in the test) in the legalizer, the DILocation of the 
# instruction that is moved (%3) is updated appropriately.

# RUN: llc %s -run-pass=legalizer -mtriple=aarch64 -o - | FileCheck %s 
# CHECK-NOT: %2:_(s32) = G_CONSTANT i32 0, debug-location !DILocation(line: 13
# CHECK: %2:_(s32) = G_CONSTANT i32 0, debug-location !DILocation(line: 0,
--- |
  
  define i32 @main(i32 %0, ptr %1) #0 !dbg !57 {
  entry:
    ret i32 0, !dbg !71
  }
  !3 = !DIFile(filename: "main.swift", directory: "/Volumes/Data/swift")
  !23 = distinct !DICompileUnit(language: DW_LANG_Swift, file: !3, sdk: "blah.sdk")
  !57 = distinct !DISubprogram(name: "main", unit: !23, type: !73)
  !64 = distinct !DILexicalBlock(scope: !57, column: 1)
  !66 = distinct !DILexicalBlock(scope: !64, column: 1)
  !68 = !DILocation(line: 12, scope: !66)
  !70 = distinct !DILexicalBlock(scope: !66, column: 1)
  !71 = !DILocation(line: 13, scope: !70)
  !72 = !{null}
  !73 = !DISubroutineType(types: !72)
name:            main
body:             |
  bb.0:
    %1:_(s8) = G_CONSTANT i8 0, debug-location !68
    %2:_(s32) = G_ANYEXT %1(s8), debug-location !68
    $w2 = COPY %2(s32), debug-location !68
    %3:_(s32) = G_CONSTANT i32 0, debug-location !71
    $w0 = COPY %3(s32), debug-location !71