fixed-stack-di.mir 1.28 KB
# RUN: llc -mtriple=x86_64-apple-unknown -run-pass none %s -o /dev/null
# Check that we parse the 'debug-info-*' fields for `fixedStack:` entries.

--- |

  target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128"
  target triple = "x86_64-apple-unknown"

  declare void @llvm.dbg.declare(metadata, metadata, metadata) #0

  define hidden void @foo(i32* byval %dstRect) {
  entry:
    call void @llvm.dbg.declare(metadata i32* %dstRect, metadata !3, metadata !DIExpression()), !dbg !5
    unreachable
  }

  attributes #0 = { nounwind readnone speculatable }

  !llvm.dbg.cu = !{!0}
  !llvm.module.flags = !{!2}

  !0 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, file: !1)
  !1 = !DIFile(filename: "file.cpp", directory: "/dir")
  !2 = !{i32 2, !"Debug Info Version", i32 3}
  !3 = !DILocalVariable(name: "dstRect", scope: !4)
  !4 = distinct !DISubprogram(name: "foo", linkageName: "foo", scope: !0, file: !1, line: 42, unit: !0)
  !5 = !DILocation(line: 42, column: 85, scope: !4)

...
---
name:            foo
alignment:       16
tracksRegLiveness: true
frameInfo:
  maxAlignment:    8
fixedStack:
  - { id: 0, size: 4, alignment: 16, stack-id: default, debug-info-variable: '!3', debug-info-expression: '!DIExpression()',
      debug-info-location: '!5' }
body:             |
  bb.0.entry:

...