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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-DISABLED9# 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-DISABLED14 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-ENABLED20# 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-ENABLED25 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-ENABLED31# 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-ENABLED36 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-ENABLED42# 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-ENABLED47 48# LDV-DISABLED-LABEL: bb.1.exit49# LDV-DISABLED-NEXT: $edi = MOV32rm50 51# LDV-ENABLED-LABEL: bb.1.exit52# LDV-ENABLED-NEXT: DBG_VALUE $rsp, 0, {{.*}}, !DIExpression(DW_OP_plus_uconst, 4)53# LDV-ENABLED-NEXT: $edi = MOV32rm54 55--- |56 target datalayout = "e-m:o-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"57 58 declare i32 @use(i32)59 60 define i32 @foo(i32 %x) !dbg !6 {61 entry:62 %y = add i32 %x, %x, !dbg !1263 call void @llvm.dbg.value(metadata i32 %y, metadata !9, metadata !DIExpression()), !dbg !1264 br label %exit, !dbg !1365 66 exit: ; preds = %entry67 %z = call i32 @use(i32 %y), !dbg !1468 call void @llvm.dbg.value(metadata i32 %z, metadata !11, metadata !DIExpression()), !dbg !1469 ret i32 %z, !dbg !1570 }71 72 declare void @llvm.dbg.value(metadata, metadata, metadata)73 74 !llvm.dbg.cu = !{!0}75 !llvm.debugify = !{!3, !4}76 !llvm.module.flags = !{!5}77 78 !0 = distinct !DICompileUnit(language: DW_LANG_C, file: !1, producer: "debugify", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, enums: !2)79 !1 = !DIFile(filename: "/tmp/t.ll", directory: "/")80 !2 = !{}81 !3 = !{i32 4}82 !4 = !{i32 2}83 !5 = !{i32 2, !"Debug Info Version", i32 3}84 !6 = distinct !DISubprogram(name: "foo", linkageName: "foo", scope: null, file: !1, line: 1, type: !7, scopeLine: 1, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !0, retainedNodes: !8)85 !7 = !DISubroutineType(types: !2)86 !8 = !{!9, !11}87 !9 = !DILocalVariable(name: "1", scope: !6, file: !1, line: 1, type: !10)88 !10 = !DIBasicType(name: "ty32", size: 32, encoding: DW_ATE_unsigned)89 !11 = !DILocalVariable(name: "2", scope: !6, file: !1, line: 3, type: !10)90 !12 = !DILocation(line: 1, column: 1, scope: !6)91 !13 = !DILocation(line: 2, column: 1, scope: !6)92 !14 = !DILocation(line: 3, column: 1, scope: !6)93 !15 = !DILocation(line: 4, column: 1, scope: !6)94 95...96---97name: foo98liveins:99 - { reg: '$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: $edi108 109 frame-setup PUSH64r undef $rax, implicit-def $rsp, implicit $rsp110 CFI_INSTRUCTION def_cfa_offset 16111 renamable $edi = ADD32rr renamable $edi, killed renamable $edi, implicit-def $eflags, debug-location !12112 DBG_VALUE renamable $edi, $noreg, !9, !DIExpression(), debug-location !12113 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 !12115 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 !14119 DBG_VALUE renamable $eax, $noreg, !11, !DIExpression(), debug-location !14120 $rcx = frame-destroy POP64r implicit-def $rsp, implicit $rsp, debug-location !15121 RET64 implicit killed $eax, debug-location !15122 123...124