| ; RUN: llc %s -enable-machine-outliner -mtriple=aarch64-unknown-unknown -pass-remarks=machine-outliner -pass-remarks-missed=machine-outliner -o /dev/null 2>&1 | FileCheck %s |
| ; CHECK: <unknown>:0:0: |
| ; CHECK-SAME: Did not outline 2 instructions from 2 locations. |
| ; CHECK-SAME: Bytes from outlining all occurrences (16) >= |
| ; CHECK-SAME: Unoutlined instruction bytes (16) |
| ; CHECK-SAME: (Also found at: <UNKNOWN LOCATION>) |
| ; CHECK: remark: <unknown>:0:0: Saved 40 bytes by outlining 13 instructions |
| ; CHECK-SAME: from 2 locations. (Found at: <UNKNOWN LOCATION>, |
| ; CHECK-SAME: <UNKNOWN LOCATION>) |
| ; RUN: llc %s -enable-machine-outliner -mtriple=aarch64-unknown-unknown -o /dev/null -pass-remarks-missed=machine-outliner -pass-remarks-output=%t.yaml |
| ; RUN: cat %t.yaml | FileCheck %s -check-prefix=YAML |
| |
| ; For the YAML case, the function we pick depends on the order of the candidate |
| ; list. |
| ; YAML: --- !Missed |
| ; YAML-NEXT: Pass: machine-outliner |
| ; YAML-NEXT: Name: NotOutliningCheaper |
| ; YAML-NEXT: Function: |
| ; YAML-NEXT: Args: |
| ; YAML-NEXT: - String: 'Did not outline ' |
| ; YAML-NEXT: - Length: '2' |
| ; YAML-NEXT: - String: ' instructions' |
| ; YAML-NEXT: - String: ' from ' |
| ; YAML-NEXT: - NumOccurrences: '2' |
| ; YAML-NEXT: - String: ' locations.' |
| ; YAML-NEXT: - String: ' Bytes from outlining all occurrences (' |
| ; YAML-NEXT: - OutliningCost: '16' |
| ; YAML-NEXT: - String: ')' |
| ; YAML-NEXT: - String: ' >= Unoutlined instruction bytes (' |
| ; YAML-NEXT: - NotOutliningCost: '16' |
| ; YAML-NEXT: - String: ')' |
| ; YAML-NEXT: - String: ' (Also found at: ' |
| ; YAML-NEXT: - OtherStartLoc1: '<UNKNOWN LOCATION>' |
| ; YAML-NEXT: - String: ')' |
| ; YAML: --- !Passed |
| ; YAML-NEXT: Pass: machine-outliner |
| ; YAML-NEXT: Name: OutlinedFunction |
| ; YAML-NEXT: Function: OUTLINED_FUNCTION_0 |
| ; YAML-NEXT: Args: |
| ; YAML-NEXT: - String: 'Saved ' |
| ; YAML-NEXT: - OutliningBenefit: '40' |
| ; YAML-NEXT: - String: ' bytes by ' |
| ; YAML-NEXT: - String: 'outlining ' |
| ; YAML-NEXT: - Length: '13' |
| ; YAML-NEXT: - String: ' instructions ' |
| ; YAML-NEXT: - String: 'from ' |
| ; YAML-NEXT: - NumOccurrences: '2' |
| ; YAML-NEXT: - String: ' locations. ' |
| ; YAML-NEXT: - String: '(Found at: ' |
| ; YAML-NEXT: - StartLoc0: '<UNKNOWN LOCATION>' |
| ; YAML-NEXT: - String: ', ' |
| ; YAML-NEXT: - StartLoc1: '<UNKNOWN LOCATION>' |
| ; YAML-NEXT: - String: ')' |
| |
| define void @dog() #0 !dbg !8 { |
| entry: |
| %x = alloca i32, align 4 |
| %y = alloca i32, align 4 |
| store i32 0, ptr %x, align 4 |
| store i32 1, ptr %y, align 4, !dbg !12 |
| ret void |
| } |
| |
| define void @cat() #0 !dbg !14 { |
| entry: |
| %x = alloca i32, align 4 |
| %y = alloca i32, align 4 |
| store i32 0, ptr %x, align 4 |
| store i32 1, ptr %y, align 4, !dbg !16 |
| ret void |
| } |
| |
| define void @foo() #0 !dbg !18 { |
| %1 = alloca i32, align 4 |
| %2 = alloca i32, align 4 |
| %3 = alloca i32, align 4 |
| %4 = alloca i32, align 4 |
| %5 = alloca i32, align 4 |
| %6 = alloca i32, align 4 |
| store i32 1, ptr %1, align 4, !dbg !24 |
| store i32 2, ptr %2, align 4 |
| store i32 3, ptr %3, align 4 |
| store i32 4, ptr %4, align 4 |
| store i32 5, ptr %5, align 4 |
| store i32 6, ptr %6, align 4, !dbg !26 |
| ret void |
| } |
| |
| define void @bar() #0 !dbg !27 { |
| %1 = alloca i32, align 4 |
| %2 = alloca i32, align 4 |
| %3 = alloca i32, align 4 |
| %4 = alloca i32, align 4 |
| %5 = alloca i32, align 4 |
| %6 = alloca i32, align 4 |
| store i32 1, ptr %1, align 4, !dbg !33 |
| store i32 2, ptr %2, align 4 |
| store i32 3, ptr %3, align 4 |
| store i32 4, ptr %4, align 4 |
| store i32 5, ptr %5, align 4 |
| store i32 6, ptr %6, align 4, !dbg !35 |
| ret void |
| } |
| |
| attributes #0 = { noredzone nounwind ssp uwtable minsize "frame-pointer"="none" "target-cpu"="cyclone" } |
| |
| !llvm.dbg.cu = !{!0} |
| !llvm.module.flags = !{!3, !4, !5, !6} |
| !llvm.ident = !{!7} |
| |
| !0 = distinct !DICompileUnit(language: DW_LANG_C99, file: !1, isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug, enums: !2) |
| !1 = !DIFile(filename: "machine-outliner-remarks.ll", directory: "/tmp") |
| !2 = !{} |
| !3 = !{i32 2, !"Dwarf Version", i32 4} |
| !4 = !{i32 2, !"Debug Info Version", i32 3} |
| !5 = !{i32 1, !"wchar_size", i32 4} |
| !6 = !{i32 7, !"PIC Level", i32 2} |
| !7 = !{!""} |
| !8 = distinct !DISubprogram(name: "dog", scope: !1, file: !1, line: 2, type: !9, isLocal: false, isDefinition: true, scopeLine: 3, flags: DIFlagPrototyped, isOptimized: false, unit: !0, retainedNodes: !2) |
| !9 = !DISubroutineType(types: !10) |
| !10 = !{null} |
| !12 = !DILocation(line: 5, column: 9, scope: !8) |
| !14 = distinct !DISubprogram(name: "cat", scope: !1, file: !1, line: 10, type: !9, isLocal: false, isDefinition: true, scopeLine: 11, flags: DIFlagPrototyped, isOptimized: false, unit: !0, retainedNodes: !2) |
| !16 = !DILocation(line: 13, column: 9, scope: !14) |
| !18 = distinct !DISubprogram(name: "foo", scope: !1, file: !1, line: 26, type: !9, isLocal: false, isDefinition: true, scopeLine: 26, flags: DIFlagPrototyped, isOptimized: false, unit: !0, retainedNodes: !2) |
| !24 = !DILocation(line: 27, column: 9, scope: !18) |
| !26 = !DILocation(line: 29, column: 9, scope: !18) |
| !27 = distinct !DISubprogram(name: "bar", scope: !1, file: !1, line: 35, type: !9, isLocal: false, isDefinition: true, scopeLine: 35, flags: DIFlagPrototyped, isOptimized: false, unit: !0, retainedNodes: !2) |
| !33 = !DILocation(line: 36, column: 1, scope: !27) |
| !35 = !DILocation(line: 38, column: 1, scope: !27) |