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https://github.com/RPCS3/llvm-mirror.git
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cc12b285b6
This will currently accept the old number of bytes syntax, and convert it to a scalar. This should be removed in the near future (I think I converted all of the tests already, but likely missed a few). Not sure what the exact syntax and policy should be. We can continue printing the number of bytes for non-generic instructions to avoid test churn and only allow non-scalar types for generic instructions. This will currently print the LLT in parentheses, but accept parsing the existing integers and implicitly converting to scalar. The parentheses are a bit ugly, but the parser logic seems unable to deal without either parentheses or some keyword to indicate the start of a type.
183 lines
8.3 KiB
YAML
183 lines
8.3 KiB
YAML
# RUN: llc -start-after=livedebugvalues --filetype=obj %s -o - \
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# RUN: | llvm-dwarfdump -v -name=parama - | FileCheck %s
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#
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# Generated with -O2, llc -stop-after=livedebugvalues, with IR modified from
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# this source:
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#
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# int globa, globb;
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# void ext();
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# static void set(int parama, int paramb) {
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# globa = parama;
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# globb = paramb;
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# }
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# void funone(int one, int two) {
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# two = two + one;
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# // 'two = ...' sunk between the inlined assignments to globa and globa.
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# set(one, two);
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# if (two > 0)
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# return ext();
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# }
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# void funtwo(int one, int two) {
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# two = one + two;
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# // 'two = ...' sunk between the inlined assignments to globa and globa,
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# // and rdi is clobbered by the sunk 'two = ...'.
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# set(one, two);
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# if (one < two)
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# return ext();
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# }
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#
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# Check that the 'parama' is available for the entire inlined scope in funone,
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# and that it is unavailable in the second DW_AT_ranges segment of the inlined
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# scope in funtwo. In both cases the inlined scope 'set' is intrerrupted by an
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# instruction from the calling function.
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#
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# Except for 'parama', all DILocalVariable metadata has been removed.
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#
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# Ignore first entry (abstract), we want to look at the concrete instances.
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# CHECK: DW_TAG_formal_parameter [
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# CHECK: DW_TAG_formal_parameter [
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# CHECK-NEXT: DW_AT_location [DW_FORM_exprloc] (DW_OP_reg5 RDI)
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# CHECK-NEXT: DW_AT_abstract_origin {{.*}} "parama"
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# CHECK: DW_TAG_formal_parameter [
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# CHECK-NEXT: DW_AT_location [DW_FORM_sec_offset]
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# CHECK-NEXT: [0x{{[0-9a-b]+}}, 0x{{[0-9a-b]+}})
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# CHECK-NEXT: DW_AT_abstract_origin {{.*}} "parama"
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--- |
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target triple = "x86_64-unknown-linux-gnu"
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@globa = dso_local local_unnamed_addr global i32 0, align 4, !dbg !0
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@globb = dso_local local_unnamed_addr global i32 0, align 4, !dbg !10
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declare !dbg !6 dso_local void @ext(...) local_unnamed_addr
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declare void @llvm.dbg.value(metadata, metadata, metadata)
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define dso_local void @funone(i32 %one, i32 %two) local_unnamed_addr !dbg !17 {
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entry:
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call void @llvm.dbg.value(metadata i32 %one, metadata !20, metadata !DIExpression()), !dbg !23
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store i32 %one, i32* @globa, align 4, !dbg !25
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%add = add nsw i32 %two, %one, !dbg !30
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store i32 %add, i32* @globb, align 4, !dbg !31
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%cmp = icmp sgt i32 %add, 0, !dbg !32
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br i1 %cmp, label %if.then, label %if.end, !dbg !34
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if.then: ; preds = %entry
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tail call void (...) @ext(), !dbg !35
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ret void, !dbg !36
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if.end: ; preds = %entry
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ret void, !dbg !36
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}
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define dso_local void @funtwo(i32 %one, i32 %two) local_unnamed_addr !dbg !37 {
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entry:
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call void @llvm.dbg.value(metadata i32 %one, metadata !20, metadata !DIExpression()), !dbg !41
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store i32 %one, i32* @globa, align 4, !dbg !43
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%add = add nsw i32 %two, %one, !dbg !44
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store i32 %add, i32* @globb, align 4, !dbg !45
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%cmp = icmp sgt i32 %two, 0, !dbg !46
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br i1 %cmp, label %if.then, label %if.end, !dbg !48
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if.then: ; preds = %entry
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tail call void (...) @ext(), !dbg !49
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ret void, !dbg !50
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if.end: ; preds = %entry
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ret void, !dbg !50
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}
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!llvm.dbg.cu = !{!2}
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!llvm.module.flags = !{!13, !14, !15}
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!llvm.ident = !{!16}
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!0 = !DIGlobalVariableExpression(var: !1, expr: !DIExpression())
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!1 = distinct !DIGlobalVariable(name: "globa", scope: !2, file: !3, line: 16, type: !12, isLocal: false, isDefinition: true)
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!2 = distinct !DICompileUnit(language: DW_LANG_C99, file: !3, producer: "clang version 11.0.0", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, enums: !4, retainedTypes: !5, globals: !9, splitDebugInlining: false, nameTableKind: None)
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!3 = !DIFile(filename: "test.c", directory: "/")
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!4 = !{}
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!5 = !{!6}
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!6 = !DISubprogram(name: "ext", scope: !3, file: !3, line: 17, type: !7, spFlags: DISPFlagOptimized, retainedNodes: !4)
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!7 = !DISubroutineType(types: !8)
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!8 = !{null, null}
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!9 = !{!0, !10}
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!10 = !DIGlobalVariableExpression(var: !11, expr: !DIExpression())
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!11 = distinct !DIGlobalVariable(name: "globb", scope: !2, file: !3, line: 16, type: !12, isLocal: false, isDefinition: true)
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!12 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed)
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!13 = !{i32 7, !"Dwarf Version", i32 4}
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!14 = !{i32 2, !"Debug Info Version", i32 3}
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!15 = !{i32 1, !"wchar_size", i32 4}
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!16 = !{!"clang version 11.0.0"}
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!17 = distinct !DISubprogram(name: "funone", scope: !3, file: !3, line: 22, type: !18, scopeLine: 22, flags: DIFlagPrototyped | DIFlagAllCallsDescribed, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !2, retainedNodes: !4)
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!18 = !DISubroutineType(types: !19)
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!19 = !{null, !12, !12}
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!20 = !DILocalVariable(name: "parama", arg: 1, scope: !21, file: !3, line: 18, type: !12)
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!21 = distinct !DISubprogram(name: "set", scope: !3, file: !3, line: 18, type: !18, scopeLine: 18, flags: DIFlagPrototyped | DIFlagAllCallsDescribed, spFlags: DISPFlagLocalToUnit | DISPFlagDefinition | DISPFlagOptimized, unit: !2, retainedNodes: !22)
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!22 = !{!20}
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!23 = !DILocation(line: 0, scope: !21, inlinedAt: !24)
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!24 = distinct !DILocation(line: 24, column: 3, scope: !17)
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!25 = !DILocation(line: 19, column: 9, scope: !21, inlinedAt: !24)
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!30 = !DILocation(line: 23, column: 13, scope: !17)
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!31 = !DILocation(line: 20, column: 9, scope: !21, inlinedAt: !24)
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!32 = !DILocation(line: 25, column: 11, scope: !33)
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!33 = distinct !DILexicalBlock(scope: !17, file: !3, line: 25, column: 7)
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!34 = !DILocation(line: 25, column: 7, scope: !17)
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!35 = !DILocation(line: 26, column: 12, scope: !33)
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!36 = !DILocation(line: 27, column: 1, scope: !17)
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!37 = distinct !DISubprogram(name: "funtwo", scope: !3, file: !3, line: 28, type: !18, scopeLine: 28, flags: DIFlagPrototyped | DIFlagAllCallsDescribed, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !2, retainedNodes: !38)
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!38 = !{}
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!41 = !DILocation(line: 0, scope: !21, inlinedAt: !42)
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!42 = distinct !DILocation(line: 30, column: 3, scope: !37)
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!43 = !DILocation(line: 19, column: 9, scope: !21, inlinedAt: !42)
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!44 = !DILocation(line: 29, column: 13, scope: !37)
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!45 = !DILocation(line: 20, column: 9, scope: !21, inlinedAt: !42)
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!46 = !DILocation(line: 31, column: 11, scope: !47)
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!47 = distinct !DILexicalBlock(scope: !37, file: !3, line: 31, column: 7)
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!48 = !DILocation(line: 31, column: 7, scope: !37)
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!49 = !DILocation(line: 32, column: 12, scope: !47)
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!50 = !DILocation(line: 33, column: 1, scope: !37)
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...
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---
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name: funone
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body: |
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bb.0.entry:
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successors: %bb.2(0x50000000), %bb.1(0x30000000)
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liveins: $edi, $esi
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DBG_VALUE $edi, $noreg, !20, !DIExpression(), debug-location !23
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MOV32mr $rip, 1, $noreg, @globa, $noreg, renamable $edi, debug-location !25 :: (store (s32) into @globa)
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renamable $esi = ADD32rr killed renamable $esi, killed renamable $edi, implicit-def $eflags, debug-location !32
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MOV32mr $rip, 1, $noreg, @globb, $noreg, killed renamable $esi, debug-location !31 :: (store (s32) into @globb)
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JCC_1 %bb.1, 14, implicit $eflags, debug-location !34
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bb.2.if.then:
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dead $eax = XOR32rr undef $eax, undef $eax, implicit-def dead $eflags, implicit-def $al, debug-location !35
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TAILJMPd64 @ext, csr_64, implicit $rsp, implicit $ssp, implicit $rsp, implicit $ssp, implicit killed $al, debug-location !35
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bb.1.if.end:
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RETQ debug-location !36
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...
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---
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name: funtwo
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body: |
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bb.0.entry:
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successors: %bb.2(0x50000000), %bb.1(0x30000000)
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liveins: $edi, $esi
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DBG_VALUE $edi, $noreg, !20, !DIExpression(), debug-location !41
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MOV32mr $rip, 1, $noreg, @globa, $noreg, renamable $edi, debug-location !43 :: (store (s32) into @globa)
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renamable $edi = nsw ADD32rr killed renamable $edi, renamable $esi, implicit-def dead $eflags, debug-location !44
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MOV32mr $rip, 1, $noreg, @globb, $noreg, killed renamable $edi, debug-location !45 :: (store (s32) into @globb)
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TEST32rr killed renamable $esi, renamable $esi, implicit-def $eflags, debug-location !46
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JCC_1 %bb.1, 14, implicit $eflags, debug-location !48
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bb.2.if.then:
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dead $eax = XOR32rr undef $eax, undef $eax, implicit-def dead $eflags, implicit-def $al, debug-location !49
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TAILJMPd64 @ext, csr_64, implicit $rsp, implicit $ssp, implicit $rsp, implicit $ssp, implicit killed $al, debug-location !49
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bb.1.if.end:
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RETQ debug-location !50
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...
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