forked from OSchip/llvm-project
				
			
		
			
				
	
	
		
			114 lines
		
	
	
		
			6.3 KiB
		
	
	
	
		
			LLVM
		
	
	
	
			
		
		
	
	
			114 lines
		
	
	
		
			6.3 KiB
		
	
	
	
		
			LLVM
		
	
	
	
; RUN: llc -filetype=obj %s -o - | llvm-dwarfdump -  | FileCheck %s
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; ModuleID = 'debugtest.c'
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source_filename = "debugtest.c"
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target datalayout = "e-m:e-p:32:32-i64:64-n32:64-S128"
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target triple = "wasm32"
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; Function Attrs: noinline nounwind optnone
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define hidden i32 @foo(i32 %arg) #0 !dbg !7 {
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entry:
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  %arg.addr = alloca i32, align 4
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  %a = alloca i32, align 4
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  %b = alloca i32, align 4
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  store i32 %arg, i32* %arg.addr, align 4
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  call void @llvm.dbg.declare(metadata i32* %arg.addr, metadata !11, metadata !DIExpression()), !dbg !12
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  call void @llvm.dbg.declare(metadata i32* %a, metadata !13, metadata !DIExpression()), !dbg !14
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  store i32 1, i32* %a, align 4, !dbg !14
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  call void @llvm.dbg.declare(metadata i32* %b, metadata !15, metadata !DIExpression()), !dbg !17
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  store i32 2, i32* %b, align 4, !dbg !17
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  %0 = load i32, i32* %b, align 4, !dbg !18
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  store i32 %0, i32* %arg.addr, align 4, !dbg !19
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  %1 = load i32, i32* %arg.addr, align 4, !dbg !20
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  %2 = load i32, i32* %a, align 4, !dbg !21
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  %add = add nsw i32 %1, %2, !dbg !22
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  ret i32 %add, !dbg !23
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}
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; Function Attrs: nounwind readnone speculatable willreturn
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declare void @llvm.dbg.declare(metadata, metadata, metadata) #1
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attributes #0 = { noinline nounwind optnone "correctly-rounded-divide-sqrt-fp-math"="false" "disable-tail-calls"="false" "frame-pointer"="none" "less-precise-fpmad"="false" "min-legal-vector-width"="0" "no-infs-fp-math"="false" "no-jump-tables"="false" "no-nans-fp-math"="false" "no-signed-zeros-fp-math"="false" "no-trapping-math"="false" "stack-protector-buffer-size"="8" "target-cpu"="generic" "unsafe-fp-math"="false" "use-soft-float"="false" }
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attributes #1 = { nounwind readnone speculatable willreturn }
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attributes #2 = { nounwind }
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!llvm.dbg.cu = !{!0}
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!llvm.module.flags = !{!3, !4, !5}
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!llvm.ident = !{!6}
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!0 = distinct !DICompileUnit(language: DW_LANG_C99, file: !1, producer: "clang version 10.0.0 (https://github.com/llvm/llvm-project.git 6b38826e3a5f402498f0ea721b8c90d727f36205)", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug, enums: !2, nameTableKind: None)
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!1 = !DIFile(filename: "debugtest.c", directory: "/s/llvm-upstream")
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!2 = !{}
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!3 = !{i32 7, !"Dwarf Version", i32 4}
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!4 = !{i32 2, !"Debug Info Version", i32 3}
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!5 = !{i32 1, !"wchar_size", i32 4}
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!6 = !{!"clang version 10.0.0 (https://github.com/llvm/llvm-project.git 6b38826e3a5f402498f0ea721b8c90d727f36205)"}
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!7 = distinct !DISubprogram(name: "foo", scope: !1, file: !1, line: 1, type: !8, scopeLine: 1, flags: DIFlagPrototyped, spFlags: DISPFlagDefinition, unit: !0, retainedNodes: !2)
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!8 = !DISubroutineType(types: !9)
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!9 = !{!10, !10}
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!10 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed)
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!11 = !DILocalVariable(name: "arg", arg: 1, scope: !7, file: !1, line: 1, type: !10)
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!12 = !DILocation(line: 1, column: 14, scope: !7)
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!13 = !DILocalVariable(name: "a", scope: !7, file: !1, line: 2, type: !10)
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!14 = !DILocation(line: 2, column: 7, scope: !7)
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!15 = !DILocalVariable(name: "b", scope: !16, file: !1, line: 4, type: !10)
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!16 = distinct !DILexicalBlock(scope: !7, file: !1, line: 3, column: 3)
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!17 = !DILocation(line: 4, column: 9, scope: !16)
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!18 = !DILocation(line: 5, column: 11, scope: !16)
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!19 = !DILocation(line: 5, column: 9, scope: !16)
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!20 = !DILocation(line: 7, column: 10, scope: !7)
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!21 = !DILocation(line: 7, column: 16, scope: !7)
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!22 = !DILocation(line: 7, column: 14, scope: !7)
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!23 = !DILocation(line: 7, column: 3, scope: !7)
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!24 = distinct !DISubprogram(name: "bar", scope: !1, file: !1, line: 10, type: !8, scopeLine: 10, flags: DIFlagPrototyped, spFlags: DISPFlagDefinition, unit: !0, retainedNodes: !2)
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!25 = !DILocalVariable(name: "arg", arg: 1, scope: !24, file: !1, line: 10, type: !10)
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!26 = !DILocation(line: 10, column: 14, scope: !24)
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!27 = !DILocation(line: 11, column: 10, scope: !24)
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!28 = !DILocation(line: 11, column: 3, scope: !24)
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!29 = !DILocalVariable(name: "__vla_expr0", scope: !24, type: !30, flags: DIFlagArtificial)
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!30 = !DIBasicType(name: "unsigned int", size: 32, encoding: DW_ATE_unsigned)
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!31 = !DILocation(line: 0, scope: !24)
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!32 = !DILocalVariable(name: "aa", scope: !24, file: !1, line: 11, type: !33)
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!33 = !DICompositeType(tag: DW_TAG_array_type, baseType: !10, elements: !34)
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!34 = !{!35}
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!35 = !DISubrange(count: !29)
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!36 = !DILocation(line: 11, column: 7, scope: !24)
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!37 = !DILocalVariable(name: "cc", scope: !24, file: !1, line: 13, type: !38)
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!38 = !DIBasicType(name: "char", size: 8, encoding: DW_ATE_signed_char)
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!39 = !DILocation(line: 13, column: 8, scope: !24)
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!40 = !DILocation(line: 15, column: 1, scope: !24)
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; CHECK-LABEL: DW_TAG_compile_unit
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; CHECK-LABEL:     DW_TAG_subprogram
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; CHECK-NEXT:                DW_AT_low_pc	(0x0000000000000002)
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; CHECK-NEXT:                DW_AT_high_pc	(0x0000000000000039)
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; CHECK-NEXT:                DW_AT_frame_base	(DW_OP_WASM_location 0x0 +1, DW_OP_stack_value)
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; CHECK-NEXT:                DW_AT_name	("foo")
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; CHECK-NEXT:                DW_AT_decl_file	("/s/llvm-upstream{{(/|\\)}}debugtest.c")
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; CHECK-NEXT:                DW_AT_decl_line	(1)
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; CHECK-NEXT:                DW_AT_prototyped	(true)
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; CHECK-NEXT:                DW_AT_type	(0x00000073 "int")
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; CHECK-NEXT:                DW_AT_external	(true)
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; CHECK-LABEL:     DW_TAG_formal_parameter
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; CHECK-NEXT:                  DW_AT_location	(DW_OP_fbreg +12)
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; CHECK-NEXT:                  DW_AT_name	("arg")
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; CHECK-NEXT:                  DW_AT_decl_file	("/s/llvm-upstream{{(/|\\)}}debugtest.c")
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; CHECK-NEXT:                  DW_AT_decl_line	(1)
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; CHECK-NEXT:                  DW_AT_type	(0x00000073 "int")
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; CHECK-LABEL:     DW_TAG_variable
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; CHECK-NEXT:                  DW_AT_location	(DW_OP_fbreg +8)
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; CHECK-NEXT:                  DW_AT_name	("a")
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; CHECK-NEXT:                  DW_AT_decl_file	("/s/llvm-upstream{{(/|\\)}}debugtest.c")
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; CHECK-NEXT:                  DW_AT_decl_line	(2)
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; CHECK-NEXT:                  DW_AT_type	(0x00000073 "int")
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; CHECK-LABEL:     DW_TAG_lexical_block
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; CHECK-NEXT:                  DW_AT_low_pc	(0x000000000000001c)
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; CHECK-NEXT:                  DW_AT_high_pc	(0x000000000000002d)
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; CHECK-LABEL:       DW_TAG_variable
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; CHECK-NEXT:                    DW_AT_location	(DW_OP_fbreg +4)
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; CHECK-NEXT:                    DW_AT_name	("b")
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; CHECK-NEXT:                    DW_AT_decl_file	("/s/llvm-upstream{{(/|\\)}}debugtest.c")
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; CHECK-NEXT:                    DW_AT_decl_line	(4)
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; CHECK-NEXT:                    DW_AT_type	(0x00000073 "int")
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