mirror of
https://github.com/RPCS3/llvm-mirror.git
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Convert the CodeGen/ARM/sched-it-debug-nodes.ll testcase from IR -> MIR.
NFC PR24563 llvm-svn: 256187
This commit is contained in:
Adrian Prantl
parent
1f94dd1efc
commit
cab6697eb0
@ -1,88 +0,0 @@
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; RUN: llc -mtriple thumbv7 -print-before=post-RA-sched -print-after=post-RA-sched %s -o /dev/null 2>&1 | FileCheck %s
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; ModuleID = '<stdin>'
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target datalayout = "e-m:e-p:32:32-i64:64-v128:64:128-a:0:32-n32-S64"
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target triple = "thumbv7"
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%struct.s = type opaque
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; Function Attrs: nounwind
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define arm_aapcscc i32 @f(%struct.s* %s, i32 %u, i8* %b, i32 %n) #0 !dbg !4 {
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entry:
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tail call void @llvm.dbg.value(metadata %struct.s* %s, i64 0, metadata !19, metadata !28), !dbg !29
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tail call void @llvm.dbg.value(metadata i32 %u, i64 0, metadata !20, metadata !28), !dbg !29
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tail call void @llvm.dbg.value(metadata i8* %b, i64 0, metadata !21, metadata !28), !dbg !29
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tail call void @llvm.dbg.value(metadata i32 %n, i64 0, metadata !22, metadata !28), !dbg !29
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%cmp = icmp ult i32 %n, 4, !dbg !30
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br i1 %cmp, label %return, label %if.end, !dbg !32
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if.end: ; preds = %entry
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tail call arm_aapcscc void @g(%struct.s* %s, i8* %b, i32 %n) #3, !dbg !33
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br label %return, !dbg !34
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return: ; preds = %entry, %if.end
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%retval.0 = phi i32 [ 0, %if.end ], [ -1, %entry ]
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ret i32 %retval.0, !dbg !35
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}
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; NOTE: This is checking that the register in the DEBUG_VALUE node is not
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; accidentally being marked as KILL. The DBG_VALUE node gets introduced in
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; If-Conversion, and gets bundled into the IT block. The Post RA Scheduler
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; attempts to schedule the Machine Instr, and tries to tag the register in the
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; debug value as KILL'ed, resulting in a DEBUG_VALUE node changing codegen! (or
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; hopefully, triggering an assert).
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; CHECK: BUNDLE %ITSTATE<imp-def,dead>
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; CHECK: * DBG_VALUE %R1, %noreg, !"u"
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; CHECK-NOT: * DBG_VALUE %R1<kill>, %noreg, !"u"
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declare arm_aapcscc void @g(%struct.s*, i8*, i32) #1
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; Function Attrs: nounwind readnone
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declare void @llvm.dbg.value(metadata, i64, metadata, metadata) #2
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attributes #0 = { nounwind "less-precise-fpmad"="false" "no-frame-pointer-elim"="false" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "no-realign-stack" "stack-protector-buffer-size"="8" "unsafe-fp-math"="false" "use-soft-float"="false" }
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attributes #1 = { "less-precise-fpmad"="false" "no-frame-pointer-elim"="false" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "no-realign-stack" "stack-protector-buffer-size"="8" "unsafe-fp-math"="false" "use-soft-float"="false" }
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attributes #2 = { nounwind readnone }
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attributes #3 = { nounwind }
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!llvm.dbg.cu = !{!0}
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!llvm.module.flags = !{!23, !24, !25, !26}
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!llvm.ident = !{!27}
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!0 = distinct !DICompileUnit(language: DW_LANG_C99, file: !1, producer: "clang version 3.7.0 (llvm/trunk 237059)", isOptimized: true, runtimeVersion: 0, emissionKind: 1, enums: !2, retainedTypes: !2, subprograms: !3, globals: !2, imports: !2)
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!1 = !DIFile(filename: "<stdin>", directory: "/Users/compnerd/Source/llvm")
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!2 = !{}
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!3 = !{!4}
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!4 = distinct !DISubprogram(name: "f", scope: !5, file: !5, line: 9, type: !6, isLocal: false, isDefinition: true, scopeLine: 9, flags: DIFlagPrototyped, isOptimized: true, variables: !18)
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!5 = !DIFile(filename: "<stdin>", directory: "/Users/compnerd/Source/llvm")
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!6 = !DISubroutineType(types: !7)
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!7 = !{!8, !9, !12, !13, !17}
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!8 = !DIBasicType(name: "int", size: 32, align: 32, encoding: DW_ATE_signed)
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!9 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !10, size: 32, align: 32)
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!10 = !DIDerivedType(tag: DW_TAG_typedef, name: "s", file: !5, line: 5, baseType: !11)
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!11 = !DICompositeType(tag: DW_TAG_structure_type, name: "s", file: !5, line: 5, flags: DIFlagFwdDecl)
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!12 = !DIBasicType(name: "unsigned int", size: 32, align: 32, encoding: DW_ATE_unsigned)
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!13 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !14, size: 32, align: 32)
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!14 = !DIDerivedType(tag: DW_TAG_const_type, baseType: !15)
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!15 = !DIDerivedType(tag: DW_TAG_typedef, name: "uint8_t", file: !5, line: 2, baseType: !16)
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!16 = !DIBasicType(name: "unsigned char", size: 8, align: 8, encoding: DW_ATE_unsigned_char)
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!17 = !DIDerivedType(tag: DW_TAG_typedef, name: "size_t", file: !5, line: 3, baseType: !12)
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!18 = !{!19, !20, !21, !22}
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!19 = !DILocalVariable(name: "s", arg: 1, scope: !4, file: !5, line: 9, type: !9)
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!20 = !DILocalVariable(name: "u", arg: 2, scope: !4, file: !5, line: 9, type: !12)
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!21 = !DILocalVariable(name: "b", arg: 3, scope: !4, file: !5, line: 9, type: !13)
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!22 = !DILocalVariable(name: "n", arg: 4, scope: !4, file: !5, line: 9, type: !17)
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!23 = !{i32 2, !"Dwarf Version", i32 4}
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!24 = !{i32 2, !"Debug Info Version", i32 3}
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!25 = !{i32 1, !"wchar_size", i32 4}
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!26 = !{i32 1, !"min_enum_size", i32 4}
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!27 = !{!"clang version 3.7.0 (llvm/trunk 237059)"}
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!28 = !DIExpression()
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!29 = !DILocation(line: 9, scope: !4)
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!30 = !DILocation(line: 10, scope: !31)
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!31 = distinct !DILexicalBlock(scope: !4, file: !5, line: 10)
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!32 = !DILocation(line: 10, scope: !4)
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!33 = !DILocation(line: 13, scope: !4)
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!34 = !DILocation(line: 14, scope: !4)
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!35 = !DILocation(line: 15, scope: !4)
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160
test/CodeGen/MIR/ARM/sched-it-debug-nodes.mir
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160
test/CodeGen/MIR/ARM/sched-it-debug-nodes.mir
Normal file
@ -0,0 +1,160 @@
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# RUN: llc -mtriple thumbv7 -start-after if-converter -print-before=post-RA-sched -print-after=post-RA-sched %s -o /dev/null 2>&1 | FileCheck %s
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--- |
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; ModuleID = '/Volumes/Data/llvm/test/CodeGen/ARM/sched-it-debug-nodes.ll'
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target datalayout = "e-m:e-p:32:32-i64:64-v128:64:128-a:0:32-n32-S64"
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target triple = "thumbv7"
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%struct.s = type opaque
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; Function Attrs: nounwind
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define arm_aapcscc i32 @f(%struct.s* %s, i32 %u, i8* %b, i32 %n) #0 !dbg !4 {
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entry:
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tail call void @llvm.dbg.value(metadata %struct.s* %s, i64 0, metadata !18, metadata !27), !dbg !28
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tail call void @llvm.dbg.value(metadata i32 %u, i64 0, metadata !19, metadata !27), !dbg !28
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tail call void @llvm.dbg.value(metadata i8* %b, i64 0, metadata !20, metadata !27), !dbg !28
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tail call void @llvm.dbg.value(metadata i32 %n, i64 0, metadata !21, metadata !27), !dbg !28
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%cmp = icmp ult i32 %n, 4, !dbg !29
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br i1 %cmp, label %return, label %if.end, !dbg !31
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if.end: ; preds = %entry
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tail call arm_aapcscc void @g(%struct.s* %s, i8* %b, i32 %n) #3, !dbg !32
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br label %return, !dbg !33
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return: ; preds = %if.end, %entry
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%retval.0 = phi i32 [ 0, %if.end ], [ -1, %entry ]
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ret i32 %retval.0, !dbg !34
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}
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; NOTE: This is checking that the register in the DEBUG_VALUE node is not
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; accidentally being marked as KILL. The DBG_VALUE node gets introduced in
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; If-Conversion, and gets bundled into the IT block. The Post RA Scheduler
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; attempts to schedule the Machine Instr, and tries to tag the register in the
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; debug value as KILL'ed, resulting in a DEBUG_VALUE node changing codegen! (or
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; hopefully, triggering an assert).
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; CHECK: BUNDLE %ITSTATE<imp-def,dead>
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; CHECK: * DBG_VALUE %R1, %noreg, !"u"
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; CHECK-NOT: * DBG_VALUE %R1<kill>, %noreg, !"u"
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declare arm_aapcscc void @g(%struct.s*, i8*, i32) #1
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; Function Attrs: nounwind readnone
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declare void @llvm.dbg.value(metadata, i64, metadata, metadata) #2
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attributes #0 = { nounwind "less-precise-fpmad"="false" "no-frame-pointer-elim"="false" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "no-realign-stack" "stack-protector-buffer-size"="8" "unsafe-fp-math"="false" "use-soft-float"="false" }
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attributes #1 = { "less-precise-fpmad"="false" "no-frame-pointer-elim"="false" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "no-realign-stack" "stack-protector-buffer-size"="8" "unsafe-fp-math"="false" "use-soft-float"="false" }
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attributes #2 = { nounwind readnone }
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attributes #3 = { nounwind }
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!llvm.dbg.cu = !{!0}
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!llvm.module.flags = !{!22, !23, !24, !25}
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!llvm.ident = !{!26}
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!0 = distinct !DICompileUnit(language: DW_LANG_C99, file: !1, producer: "clang version 3.7.0 (llvm/trunk 237059)", isOptimized: true, runtimeVersion: 0, emissionKind: 1, enums: !2, retainedTypes: !2, subprograms: !3, globals: !2, imports: !2)
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!1 = !DIFile(filename: "<stdin>", directory: "/Users/compnerd/Source/llvm")
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!2 = !{}
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!3 = !{!4}
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!4 = distinct !DISubprogram(name: "f", scope: !1, file: !1, line: 9, type: !5, isLocal: false, isDefinition: true, scopeLine: 9, flags: DIFlagPrototyped, isOptimized: true, variables: !17)
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!5 = !DISubroutineType(types: !6)
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!6 = !{!7, !8, !11, !12, !16}
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!7 = !DIBasicType(name: "int", size: 32, align: 32, encoding: DW_ATE_signed)
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!8 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !9, size: 32, align: 32)
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!9 = !DIDerivedType(tag: DW_TAG_typedef, name: "s", file: !1, line: 5, baseType: !10)
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!10 = !DICompositeType(tag: DW_TAG_structure_type, name: "s", file: !1, line: 5, flags: DIFlagFwdDecl)
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!11 = !DIBasicType(name: "unsigned int", size: 32, align: 32, encoding: DW_ATE_unsigned)
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!12 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !13, size: 32, align: 32)
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!13 = !DIDerivedType(tag: DW_TAG_const_type, baseType: !14)
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!14 = !DIDerivedType(tag: DW_TAG_typedef, name: "uint8_t", file: !1, line: 2, baseType: !15)
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!15 = !DIBasicType(name: "unsigned char", size: 8, align: 8, encoding: DW_ATE_unsigned_char)
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!16 = !DIDerivedType(tag: DW_TAG_typedef, name: "size_t", file: !1, line: 3, baseType: !11)
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!17 = !{!18, !19, !20, !21}
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!18 = !DILocalVariable(name: "s", arg: 1, scope: !4, file: !1, line: 9, type: !8)
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!19 = !DILocalVariable(name: "u", arg: 2, scope: !4, file: !1, line: 9, type: !11)
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!20 = !DILocalVariable(name: "b", arg: 3, scope: !4, file: !1, line: 9, type: !12)
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!21 = !DILocalVariable(name: "n", arg: 4, scope: !4, file: !1, line: 9, type: !16)
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!22 = !{i32 2, !"Dwarf Version", i32 4}
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!23 = !{i32 2, !"Debug Info Version", i32 3}
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!24 = !{i32 1, !"wchar_size", i32 4}
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!25 = !{i32 1, !"min_enum_size", i32 4}
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!26 = !{!"clang version 3.7.0 (llvm/trunk 237059)"}
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!27 = !DIExpression()
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!28 = !DILocation(line: 9, scope: !4)
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!29 = !DILocation(line: 10, scope: !30)
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!30 = distinct !DILexicalBlock(scope: !4, file: !1, line: 10)
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!31 = !DILocation(line: 10, scope: !4)
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!32 = !DILocation(line: 13, scope: !4)
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!33 = !DILocation(line: 14, scope: !4)
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!34 = !DILocation(line: 15, scope: !4)
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...
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---
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name: f
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alignment: 1
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exposesReturnsTwice: false
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hasInlineAsm: false
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isSSA: false
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tracksRegLiveness: true
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tracksSubRegLiveness: false
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liveins:
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- { reg: '%r0' }
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- { reg: '%r2' }
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- { reg: '%r3' }
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calleeSavedRegisters: [ '%lr', '%d8', '%d9', '%d10', '%d11', '%d12', '%d13',
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'%d14', '%d15', '%q4', '%q5', '%q6', '%q7', '%r4',
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'%r5', '%r6', '%r7', '%r8', '%r9', '%r10', '%r11',
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'%s16', '%s17', '%s18', '%s19', '%s20', '%s21',
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'%s22', '%s23', '%s24', '%s25', '%s26', '%s27',
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'%s28', '%s29', '%s30', '%s31', '%d8_d10', '%d9_d11',
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'%d10_d12', '%d11_d13', '%d12_d14', '%d13_d15',
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'%q4_q5', '%q5_q6', '%q6_q7', '%q4_q5_q6_q7', '%r4_r5',
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'%r6_r7', '%r8_r9', '%r10_r11', '%d8_d9_d10', '%d9_d10_d11',
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'%d10_d11_d12', '%d11_d12_d13', '%d12_d13_d14',
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'%d13_d14_d15', '%d8_d10_d12', '%d9_d11_d13', '%d10_d12_d14',
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'%d11_d13_d15', '%d8_d10_d12_d14', '%d9_d11_d13_d15',
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'%d9_d10', '%d11_d12', '%d13_d14', '%d9_d10_d11_d12',
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'%d11_d12_d13_d14' ]
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frameInfo:
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isFrameAddressTaken: false
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isReturnAddressTaken: false
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hasStackMap: false
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hasPatchPoint: false
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stackSize: 8
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offsetAdjustment: 0
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maxAlignment: 4
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adjustsStack: true
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hasCalls: true
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maxCallFrameSize: 0
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hasOpaqueSPAdjustment: false
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hasVAStart: false
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hasMustTailInVarArgFunc: false
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stack:
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- { id: 0, type: spill-slot, offset: -4, size: 4, alignment: 4, callee-saved-register: '%lr' }
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- { id: 1, type: spill-slot, offset: -8, size: 4, alignment: 4, callee-saved-register: '%r7' }
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body: |
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bb.0.entry:
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liveins: %r0, %r2, %r3, %lr, %r7
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DBG_VALUE debug-use %r0, debug-use _, !18, !27, debug-location !28
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DBG_VALUE debug-use %r1, debug-use _, !19, !27, debug-location !28
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DBG_VALUE debug-use %r2, debug-use _, !20, !27, debug-location !28
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DBG_VALUE debug-use %r3, debug-use _, !21, !27, debug-location !28
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t2CMPri %r3, 4, 14, _, implicit-def %cpsr, debug-location !31
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DBG_VALUE debug-use %r1, debug-use _, !19, !27, debug-location !28
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%r0 = t2MOVi -1, 3, %cpsr, _, implicit undef %r0
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DBG_VALUE debug-use %r1, debug-use _, !19, !27, debug-location !28
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tBX_RET 3, %cpsr, implicit %r0, debug-location !34
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%sp = frame-setup t2STMDB_UPD %sp, 14, _, killed %r7, killed %lr
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frame-setup CFI_INSTRUCTION .cfi_def_cfa_offset 8
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frame-setup CFI_INSTRUCTION .cfi_offset %lr, -4
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frame-setup CFI_INSTRUCTION .cfi_offset %r7, -8
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DBG_VALUE debug-use %r0, debug-use _, !18, !27, debug-location !28
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DBG_VALUE debug-use %r1, debug-use _, !19, !27, debug-location !28
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DBG_VALUE debug-use %r2, debug-use _, !20, !27, debug-location !28
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DBG_VALUE debug-use %r3, debug-use _, !21, !27, debug-location !28
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%r1 = tMOVr killed %r2, 14, _, debug-location !32
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%r2 = tMOVr killed %r3, 14, _, debug-location !32
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tBL 14, _, @g, csr_aapcs, implicit-def dead %lr, implicit %sp, implicit %r0, implicit %r1, implicit %r2, implicit-def %sp, debug-location !32
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%r0 = t2MOVi 0, 14, _, _
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%sp = t2LDMIA_RET %sp, 14, _, def %r7, def %pc, implicit %r0
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...
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