xref: /llvm-project/llvm/test/Transforms/IROutliner/outlining-strip-loop-info.ll (revision 9dd9575c55c74810675d5de40f56b37dd38fe3c3)

; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --include-generated-funcs
; RUN: opt -S -passes=verify,iroutliner -ir-outlining-no-cost < %s | FileCheck %s

; Make sure that we strip loop debug info from instructions that are outlined as
; well as regular debug info.

define void @ham(i64 %arg0, i64 %arg1) !dbg !1 {
bb0:
  br label %bb1
bb1:
  %phi = phi i64 [ 0, %bb0 ], [ %arg1, %bb1 ]
  %icmp = icmp ult i64 %phi, %arg0
  br i1 %icmp, label %bb1, label %bb2, !dbg !7, !llvm.loop !11

bb2:
  ret void
}

define void @wombat(i64 %arg0, i64 %arg1) !dbg !13 {
bb0:
  br label %bb1
bb1:
  %phi = phi i64 [ 0, %bb0 ], [ %arg1, %bb1 ]
  %icmp = icmp ult i64 %phi, %arg0
  br i1 %icmp, label %bb1, label %bb2

bb2:
  ret void
}

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

!0 = !{i32 2, !"Debug Info Version", i32 3}
!1 = distinct !DISubprogram(name: "ham", scope: !2, file: !2, line: 160, type: !3, scopeLine: 161, flags: DIFlagPrototyped, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !5)
!2 = !DIFile(filename: "file", directory: "dir")
!3 = !DISubroutineType(types: !4)
!4 = !{}
!5 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, file: !6, producer: "ver", isOptimized: true, runtimeVersion: 0, emissionKind: LineTablesOnly, splitDebugInlining: false, nameTableKind: None, sysroot: "sysroot", sdk: "sdk")
!6 = !DIFile(filename: "file", directory: "dir")
!7 = !DILocation(line: 354, column: 13, scope: !8, inlinedAt: !10)
!8 = distinct !DISubprogram(name: "baz", scope: !9, file: !9, line: 345, type: !3, scopeLine: 346, flags: DIFlagPrototyped, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !5)
!9 = !DIFile(filename: "file", directory: "dir")
!10 = distinct !DILocation(line: 164, column: 15, scope: !1)
!11 = distinct !{!11, !7, !12}
!12 = !DILocation(line: 355, column: 37, scope: !8, inlinedAt: !10)
!13 = distinct !DISubprogram(name: "wombat", scope: !2, file: !2, line: 172, type: !3, scopeLine: 173, flags: DIFlagPrototyped, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !5)
!14 = distinct !DISubprogram(name: "bar", scope: !15, file: !15, line: 219, type: !3, scopeLine: 220, flags: DIFlagPrototyped, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !5)
!15 = !DIFile(filename: "file", directory: "dir")

; CHECK-LABEL: @ham(
; CHECK-NEXT:  bb0:
; CHECK-NEXT:    call void @outlined_ir_func_0(i64 [[ARG1:%.*]], i64 [[ARG0:%.*]]), !dbg [[DBG6:![0-9]+]]
; CHECK-NEXT:    br label [[BB2:%.*]]
; CHECK:       bb2:
; CHECK-NEXT:    ret void
;
;
; CHECK-LABEL: @wombat(
; CHECK-NEXT:  bb0:
; CHECK-NEXT:    call void @outlined_ir_func_0(i64 [[ARG1:%.*]], i64 [[ARG0:%.*]]), !dbg [[DBG10:![0-9]+]]
; CHECK-NEXT:    br label [[BB2:%.*]]
; CHECK:       bb2:
; CHECK-NEXT:    ret void
;
;
; CHECK-LABEL: define internal void @outlined_ir_func_0(
; CHECK-NEXT:  newFuncRoot:
; CHECK-NEXT:    br label [[BB0_TO_OUTLINE:%.*]]
; CHECK:       bb0_to_outline:
; CHECK-NEXT:    br label [[BB1:%.*]]
; CHECK:       bb1:
; CHECK-NEXT:    [[PHI:%.*]] = phi i64 [ 0, [[BB0_TO_OUTLINE]] ], [ [[TMP0:%.*]], [[BB1]] ]
; CHECK-NEXT:    [[ICMP:%.*]] = icmp ult i64 [[PHI]], [[TMP1:%.*]]
; CHECK-NEXT:    br i1 [[ICMP]], label [[BB1]], label [[BB2_EXITSTUB:%.*]], !llvm.loop [[LOOP12:![0-9]+]]
; CHECK:       bb2.exitStub:
; CHECK-NEXT:    ret void
;