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;=========================== begin_copyright_notice ============================
;
; Copyright (C) 2022 Intel Corporation
;
; SPDX-License-Identifier: MIT
;
;============================ end_copyright_notice =============================
;
; RUN: igc_opt -igc-disable-loop-unroll -S < %s | FileCheck %s
; ------------------------------------------------
; DisableLoopUnrollOnRetry
; ------------------------------------------------
; This test checks that DisableLoopUnrollOnRetry pass follows
; 'How to Update Debug Info' llvm guideline.
;
; Debug MD for this test was created with debugify pass.
; ------------------------------------------------
; CHECK: define spir_kernel void @test_loopunroll{{.*}} !dbg [[SCOPE:![0-9]*]]
; CHECK: entry:
; CHECK: [[VAL1_V:%[A-z0-9]*]] = {{.*}}, !dbg [[VAL1_LOC:![0-9]*]]
; CHECK: void @llvm.dbg.value(metadata i32 [[VAL1_V]], metadata [[VAL1_MD:![0-9]*]], metadata !DIExpression()), !dbg [[VAL1_LOC]]
; CHECK: bb1:
; CHECK: [[VAL2_V:%[A-z0-9]*]] = {{.*}}, !dbg [[VAL2_LOC:![0-9]*]]
; CHECK: void @llvm.dbg.value(metadata i32 [[VAL2_V]], metadata [[VAL2_MD:![0-9]*]], metadata !DIExpression()), !dbg [[VAL2_LOC]]
; CHECK: [[VAL3_V:%[A-z0-9]*]] = {{.*}}, !dbg [[VAL3_LOC:![0-9]*]]
; CHECK: void @llvm.dbg.value(metadata i1 [[VAL3_V]], metadata [[VAL3_MD:![0-9]*]], metadata !DIExpression()), !dbg [[VAL3_LOC]]
; CHECK: [[VAL4_V:%[A-z0-9]*]] = {{.*}}, !dbg [[VAL4_LOC:![0-9]*]]
; CHECK: void @llvm.dbg.value(metadata i32 [[VAL4_V]], metadata [[VAL4_MD:![0-9]*]], metadata !DIExpression()), !dbg [[VAL4_LOC]]
; CHECK: br{{.*}}, !dbg [[BR_LOC:![0-9]*]], !llvm.loop [[LOOP_MD:![0-9]*]]
define spir_kernel void @test_loopunroll(i32 %a, i32 %b, i32* %c) !dbg !6 {
entry:
%0 = add i32 %a, %b, !dbg !15
call void @llvm.dbg.value(metadata i32 %0, metadata !9, metadata !DIExpression()), !dbg !15
br label %bb1, !dbg !16
bb1: ; preds = %bb1, %entry
%1 = phi i32 [ %a, %entry ], [ %3, %bb1 ], !dbg !17
call void @llvm.dbg.value(metadata i32 %1, metadata !11, metadata !DIExpression()), !dbg !17
%2 = icmp sgt i32 %1, 13, !dbg !18
call void @llvm.dbg.value(metadata i1 %2, metadata !12, metadata !DIExpression()), !dbg !18
%3 = add i32 %1, 13, !dbg !19
call void @llvm.dbg.value(metadata i32 %3, metadata !14, metadata !DIExpression()), !dbg !19
br i1 %2, label %bb1, label %end, !dbg !20, !llvm.loop !23
end: ; preds = %bb1
store i32 %1, i32* %c, !dbg !21
ret void, !dbg !22
}
; CHECK-DAG: [[FILE:![0-9]*]] = !DIFile(filename: "DisableLoopUnrollOnRetry.ll", directory: "/")
; CHECK-DAG: [[SCOPE]] = distinct !DISubprogram(name: "test_loopunroll", linkageName: "test_loopunroll", scope: null, file: [[FILE]], line: 1
; CHECK-DAG: [[VAL1_MD]] = !DILocalVariable(name: "1", scope: [[SCOPE]], file: [[FILE]], line: 1
; CHECK-DAG: [[VAL1_LOC]] = !DILocation(line: 1, column: 1, scope: [[SCOPE]])
; CHECK-DAG: [[VAL2_MD]] = !DILocalVariable(name: "2", scope: [[SCOPE]], file: [[FILE]], line: 3
; CHECK-DAG: [[VAL2_LOC]] = !DILocation(line: 3, column: 1, scope: [[SCOPE]])
; CHECK-DAG: [[VAL3_MD]] = !DILocalVariable(name: "3", scope: [[SCOPE]], file: [[FILE]], line: 4
; CHECK-DAG: [[VAL3_LOC]] = !DILocation(line: 4, column: 1, scope: [[SCOPE]])
; CHECK-DAG: [[VAL4_MD]] = !DILocalVariable(name: "4", scope: [[SCOPE]], file: [[FILE]], line: 5
; CHECK-DAG: [[VAL4_LOC]] = !DILocation(line: 5, column: 1, scope: [[SCOPE]])
; CHECK-DAG: [[BR_LOC]] = !DILocation(line: 6, column: 1, scope: [[SCOPE]])
; CHECK-DAG: [[LOOP_MD]] = distinct !{[[LOOP_MD]], [[BR_LOC]]
; Function Attrs: nounwind readnone speculatable
declare void @llvm.dbg.value(metadata, metadata, metadata) #0
attributes #0 = { nounwind readnone speculatable }
!llvm.dbg.cu = !{!0}
!llvm.debugify = !{!3, !4}
!llvm.module.flags = !{!5}
!0 = distinct !DICompileUnit(language: DW_LANG_C, file: !1, producer: "debugify", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, enums: !2)
!1 = !DIFile(filename: "DisableLoopUnrollOnRetry.ll", directory: "/")
!2 = !{}
!3 = !{i32 8}
!4 = !{i32 4}
!5 = !{i32 2, !"Debug Info Version", i32 3}
!6 = distinct !DISubprogram(name: "test_loopunroll", linkageName: "test_loopunroll", scope: null, file: !1, line: 1, type: !7, scopeLine: 1, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !0, retainedNodes: !8)
!7 = !DISubroutineType(types: !2)
!8 = !{!9, !11, !12, !14}
!9 = !DILocalVariable(name: "1", scope: !6, file: !1, line: 1, type: !10)
!10 = !DIBasicType(name: "ty32", size: 32, encoding: DW_ATE_unsigned)
!11 = !DILocalVariable(name: "2", scope: !6, file: !1, line: 3, type: !10)
!12 = !DILocalVariable(name: "3", scope: !6, file: !1, line: 4, type: !13)
!13 = !DIBasicType(name: "ty8", size: 8, encoding: DW_ATE_unsigned)
!14 = !DILocalVariable(name: "4", scope: !6, file: !1, line: 5, type: !10)
!15 = !DILocation(line: 1, column: 1, scope: !6)
!16 = !DILocation(line: 2, column: 1, scope: !6)
!17 = !DILocation(line: 3, column: 1, scope: !6)
!18 = !DILocation(line: 4, column: 1, scope: !6)
!19 = !DILocation(line: 5, column: 1, scope: !6)
!20 = !DILocation(line: 6, column: 1, scope: !6)
!21 = !DILocation(line: 7, column: 1, scope: !6)
!22 = !DILocation(line: 8, column: 1, scope: !6)
!23 = distinct !{!23, !20}
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