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