llvm/test/Transforms/Util/trivial-auto-var-init-unknown.ll

   1 ; RUN: opt -passes=annotation-remarks -o /dev/null -S -pass-remarks-output=%t.opt.yaml %s -pass-remarks-missed=annotation-remarks 2>&1 | FileCheck %s
   2 ; RUN: cat %t.opt.yaml | FileCheck -check-prefix=YAML %s
   3
   4 ; No remarks for this function, no instructions with metadata.
   5 define void @none() {
   6 ; YAML-NOT:  Function:        none
   7   ret void
   8 }
   9
  10 ; Emit a remark that reports an instruction we can't analyze.
  11 define void @unknown() {
  12 ; CHECK: Initialization inserted by -ftrivial-auto-var-init.
  13 ; YAML-LABEL: --- !Missed
  14 ; YAML-NEXT: Pass:            annotation-remarks
  15 ; YAML-NEXT: Name:            AutoInitUnknownInstruction
  16 ; YAML-NEXT: DebugLoc:
  17 ; YAML-NEXT: Function:        unknown
  18 ; YAML-NEXT: Args:
  19 ; YAML-NEXT:   - String:          Initialization inserted by -ftrivial-auto-var-init.
  20 ; YAML-NEXT: ...
  21   ret void, !annotation !0, !dbg !DILocation(scope: !4)
  22 }
  23
  24 ; Emit a remark that reports an intrinsic call to an unknown intrinsic.
  25 define void @unknown_intrinsic(ptr %dst) {
  26 ; CHECK-NEXT: Initialization inserted by -ftrivial-auto-var-init.
  27 ; YAML-LABEL: --- !Missed
  28 ; YAML-NEXT: Pass:            annotation-remarks
  29 ; YAML-NEXT: Name:            AutoInitUnknownInstruction
  30 ; YAML-NEXT: DebugLoc:
  31 ; YAML-NEXT: Function:        unknown_intrinsic
  32   call ptr @llvm.returnaddress(i32 0), !annotation !0, !dbg !DILocation(scope: !4)
  33   ret void
  34 }
  35
  36 declare ptr @llvm.returnaddress(i32) nounwind readnone
  37
  38 !llvm.module.flags = !{!1}
  39 !0 = !{ !"auto-init" }
  40 !1 = !{i32 2, !"Debug Info Version", i32 3}
  41 !2 = distinct !DICompileUnit(language: DW_LANG_C99, file: !3)
  42 !3 = !DIFile(filename: "file", directory: "")
  43 !4 = distinct !DISubprogram(name: "function", scope: !3, file: !3, unit: !2)
  44 !5 = !DIBasicType(name: "byte", size: 8)
  45 !6 = !DILocalVariable(name: "destination", scope: !4, file: !3, type: !5)
  46 !7 = !DILocalVariable(name: "destination2", scope: !4, file: !3, type: !5)