1# Test cutoffs for livedebugvalues debug range extension. 2# Disable LDV if the input-bb-limit AND the input-dbg-value-limit are both exceeded. 3 4# RUN: llc %s -o - -run-pass=livedebugvalues -mtriple=x86_64-unknown-unknown \ 5# RUN: -livedebugvalues-input-bb-limit=1 \ 6# RUN: -livedebugvalues-input-dbg-value-limit=1 \ 7# RUN: -experimental-debug-variable-locations=false \ 8# RUN: | FileCheck %s -check-prefix=LDV-DISABLED 9# RUN: llc %s -o - -run-pass=livedebugvalues -mtriple=x86_64-unknown-unknown \ 10# RUN: -experimental-debug-variable-locations \ 11# RUN: -livedebugvalues-input-bb-limit=1 \ 12# RUN: -livedebugvalues-input-dbg-value-limit=1 \ 13# RUN: | FileCheck %s -check-prefix=LDV-DISABLED 14 15# RUN: llc %s -o - -run-pass=livedebugvalues -mtriple=x86_64-unknown-unknown \ 16# RUN: -livedebugvalues-input-bb-limit=1 \ 17# RUN: -livedebugvalues-input-dbg-value-limit=10 \ 18# RUN: -experimental-debug-variable-locations=false \ 19# RUN: | FileCheck %s -check-prefix=LDV-ENABLED 20# RUN: llc %s -o - -run-pass=livedebugvalues -mtriple=x86_64-unknown-unknown \ 21# RUN: -experimental-debug-variable-locations \ 22# RUN: -livedebugvalues-input-bb-limit=1 \ 23# RUN: -livedebugvalues-input-dbg-value-limit=10 \ 24# RUN: | FileCheck %s -check-prefix=LDV-ENABLED 25 26# RUN: llc %s -o - -run-pass=livedebugvalues -mtriple=x86_64-unknown-unknown \ 27# RUN: -livedebugvalues-input-bb-limit=10 \ 28# RUN: -livedebugvalues-input-dbg-value-limit=1 \ 29# RUN: -experimental-debug-variable-locations=false \ 30# RUN: | FileCheck %s -check-prefix=LDV-ENABLED 31# RUN: llc %s -o - -run-pass=livedebugvalues -mtriple=x86_64-unknown-unknown \ 32# RUN: -experimental-debug-variable-locations \ 33# RUN: -livedebugvalues-input-bb-limit=10 \ 34# RUN: -livedebugvalues-input-dbg-value-limit=1 \ 35# RUN: | FileCheck %s -check-prefix=LDV-ENABLED 36 37# RUN: llc %s -o - -run-pass=livedebugvalues -mtriple=x86_64-unknown-unknown \ 38# RUN: -livedebugvalues-input-bb-limit=10 \ 39# RUN: -livedebugvalues-input-dbg-value-limit=10 \ 40# RUN: -experimental-debug-variable-locations=false \ 41# RUN: | FileCheck %s -check-prefix=LDV-ENABLED 42# RUN: llc %s -o - -run-pass=livedebugvalues -mtriple=x86_64-unknown-unknown \ 43# RUN: -experimental-debug-variable-locations \ 44# RUN: -livedebugvalues-input-bb-limit=10 \ 45# RUN: -livedebugvalues-input-dbg-value-limit=10 \ 46# RUN: | FileCheck %s -check-prefix=LDV-ENABLED 47 48# LDV-DISABLED-LABEL: bb.1.exit 49# LDV-DISABLED-NEXT: $edi = MOV32rm 50 51# LDV-ENABLED-LABEL: bb.1.exit 52# LDV-ENABLED-NEXT: DBG_VALUE $rsp, 0, {{.*}}, !DIExpression(DW_OP_plus_uconst, 4) 53# LDV-ENABLED-NEXT: $edi = MOV32rm 54 55--- | 56 target datalayout = "e-m:o-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128" 57 58 declare i32 @use(i32) 59 60 define i32 @foo(i32 %x) !dbg !6 { 61 entry: 62 %y = add i32 %x, %x, !dbg !12 63 call void @llvm.dbg.value(metadata i32 %y, metadata !9, metadata !DIExpression()), !dbg !12 64 br label %exit, !dbg !13 65 66 exit: ; preds = %entry 67 %z = call i32 @use(i32 %y), !dbg !14 68 call void @llvm.dbg.value(metadata i32 %z, metadata !11, metadata !DIExpression()), !dbg !14 69 ret i32 %z, !dbg !15 70 } 71 72 declare void @llvm.dbg.value(metadata, metadata, metadata) 73 74 !llvm.dbg.cu = !{!0} 75 !llvm.debugify = !{!3, !4} 76 !llvm.module.flags = !{!5} 77 78 !0 = distinct !DICompileUnit(language: DW_LANG_C, file: !1, producer: "debugify", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, enums: !2) 79 !1 = !DIFile(filename: "/tmp/t.ll", directory: "/") 80 !2 = !{} 81 !3 = !{i32 4} 82 !4 = !{i32 2} 83 !5 = !{i32 2, !"Debug Info Version", i32 3} 84 !6 = distinct !DISubprogram(name: "foo", linkageName: "foo", scope: null, file: !1, line: 1, type: !7, scopeLine: 1, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !0, retainedNodes: !8) 85 !7 = !DISubroutineType(types: !2) 86 !8 = !{!9, !11} 87 !9 = !DILocalVariable(name: "1", scope: !6, file: !1, line: 1, type: !10) 88 !10 = !DIBasicType(name: "ty32", size: 32, encoding: DW_ATE_unsigned) 89 !11 = !DILocalVariable(name: "2", scope: !6, file: !1, line: 3, type: !10) 90 !12 = !DILocation(line: 1, column: 1, scope: !6) 91 !13 = !DILocation(line: 2, column: 1, scope: !6) 92 !14 = !DILocation(line: 3, column: 1, scope: !6) 93 !15 = !DILocation(line: 4, column: 1, scope: !6) 94 95... 96--- 97name: foo 98liveins: 99 - { reg: '$edi', virtual-reg: '' } 100stack: 101 - { id: 0, name: '', type: spill-slot, offset: -12, size: 4, alignment: 4, 102 stack-id: default, callee-saved-register: '', callee-saved-restored: true, 103 debug-info-variable: '', debug-info-expression: '', debug-info-location: '' } 104body: | 105 bb.0.entry: 106 successors: %bb.1(0x80000000) 107 liveins: $edi 108 109 frame-setup PUSH64r undef $rax, implicit-def $rsp, implicit $rsp 110 CFI_INSTRUCTION def_cfa_offset 16 111 renamable $edi = ADD32rr renamable $edi, killed renamable $edi, implicit-def $eflags, debug-location !12 112 DBG_VALUE renamable $edi, $noreg, !9, !DIExpression(), debug-location !12 113 MOV32mr $rsp, 1, $noreg, 4, $noreg, killed $edi :: (store (s32) into %stack.0) 114 DBG_VALUE $rsp, 0, !9, !DIExpression(DW_OP_plus_uconst, 4), debug-location !12 115 116 bb.1.exit: 117 $edi = MOV32rm $rsp, 1, $noreg, 4, $noreg :: (load (s32) from %stack.0) 118 CALL64pcrel32 @use, csr_64, implicit $rsp, implicit $ssp, implicit killed $edi, implicit-def $eax, debug-location !14 119 DBG_VALUE renamable $eax, $noreg, !11, !DIExpression(), debug-location !14 120 $rcx = frame-destroy POP64r implicit-def $rsp, implicit $rsp, debug-location !15 121 RET64 implicit killed $eax, debug-location !15 122 123... 124