75 lines
		
	
	
		
			3.4 KiB
		
	
	
	
		
			LLVM
		
	
	
	
			
		
		
	
	
			75 lines
		
	
	
		
			3.4 KiB
		
	
	
	
		
			LLVM
		
	
	
	
| ; REQUIRES: object-emission
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| 
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| ; RUN: llc -mtriple=x86_64-unknown-unknown -O0 -filetype=obj < %s > %t
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| ; RUN: llvm-dwarfdump %t | FileCheck %s
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| 
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| ; IR generated from clang -g with the following source:
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| ; struct foo {
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| ;   foo(const foo&);
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| ;   int i;
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| ; };
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| ;
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| ; void func(foo f, foo g) {
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| ;   f.i++;
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| ; }
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| 
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| ; CHECK: debug_info contents
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| ; CHECK: DW_TAG_subprogram
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| ; CHECK-NOT: DW_TAG
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| ; CHECK: DW_AT_linkage_name{{.*}}"_Z4func3fooS_"
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| ; CHECK-NOT: NULL
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| ; CHECK: DW_TAG_formal_parameter
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| ; CHECK-NOT: DW_TAG
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| ; CHECK: DW_AT_name{{.*}}"f"
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| ; CHECK-NOT: NULL
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| ; CHECK: DW_TAG_formal_parameter
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| ; CHECK-NOT: DW_TAG
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| ; CHECK: DW_AT_name{{.*}}"g"
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| 
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| %struct.foo = type { i32 }
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| 
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| ; Function Attrs: nounwind uwtable
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| define void @_Z4func3fooS_(%struct.foo* %f, %struct.foo* %g) #0 !dbg !4 {
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| entry:
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|   call void @llvm.dbg.declare(metadata %struct.foo* %f, metadata !19, metadata !DIExpression()), !dbg !20
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|   call void @llvm.dbg.declare(metadata %struct.foo* %g, metadata !21, metadata !DIExpression()), !dbg !20
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|   %i = getelementptr inbounds %struct.foo, %struct.foo* %f, i32 0, i32 0, !dbg !22
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|   %0 = load i32, i32* %i, align 4, !dbg !22
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|   %inc = add nsw i32 %0, 1, !dbg !22
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|   store i32 %inc, i32* %i, align 4, !dbg !22
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|   ret void, !dbg !23
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| }
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| 
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| ; Function Attrs: nounwind readnone
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| declare void @llvm.dbg.declare(metadata, metadata, metadata) #1
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| 
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| attributes #0 = { nounwind uwtable "less-precise-fpmad"="false" "no-frame-pointer-elim"="true" "no-frame-pointer-elim-non-leaf"="true" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "unsafe-fp-math"="false" "use-soft-float"="false" }
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| attributes #1 = { nounwind readnone }
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| 
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| !llvm.dbg.cu = !{!0}
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| !llvm.module.flags = !{!24}
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| 
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| !0 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, producer: "clang version 3.4 ", isOptimized: false, emissionKind: FullDebug, file: !1, enums: !2, retainedTypes: !2, globals: !2, imports: !2)
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| !1 = !DIFile(filename: "scratch.cpp", directory: "/usr/local/google/home/blaikie/dev/scratch")
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| !2 = !{}
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| !4 = distinct !DISubprogram(name: "func", linkageName: "_Z4func3fooS_", line: 6, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false, unit: !0, scopeLine: 6, file: !1, scope: !5, type: !6, variables: !2)
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| !5 = !DIFile(filename: "scratch.cpp", directory: "/usr/local/google/home/blaikie/dev/scratch")
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| !6 = !DISubroutineType(types: !7)
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| !7 = !{null, !8, !8}
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| !8 = !DICompositeType(tag: DW_TAG_structure_type, name: "foo", line: 1, size: 32, align: 32, file: !1, elements: !9)
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| !9 = !{!10, !12}
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| !10 = !DIDerivedType(tag: DW_TAG_member, name: "i", line: 3, size: 32, align: 32, file: !1, scope: !8, baseType: !11)
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| !11 = !DIBasicType(tag: DW_TAG_base_type, name: "int", size: 32, align: 32, encoding: DW_ATE_signed)
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| !12 = !DISubprogram(name: "foo", line: 2, isLocal: false, isDefinition: false, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false, scopeLine: 2, file: !1, scope: !8, type: !13)
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| !13 = !DISubroutineType(types: !14)
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| !14 = !{null, !15, !16}
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| !15 = !DIDerivedType(tag: DW_TAG_pointer_type, size: 64, align: 64, flags: DIFlagArtificial | DIFlagObjectPointer, baseType: !8)
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| !16 = !DIDerivedType(tag: DW_TAG_reference_type, baseType: !17)
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| !17 = !DIDerivedType(tag: DW_TAG_const_type, baseType: !8)
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| !19 = !DILocalVariable(name: "f", line: 6, arg: 1, scope: !4, file: !5, type: !8)
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| !20 = !DILocation(line: 6, scope: !4)
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| !21 = !DILocalVariable(name: "g", line: 6, arg: 2, scope: !4, file: !5, type: !8)
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| !22 = !DILocation(line: 7, scope: !4)
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| !23 = !DILocation(line: 8, scope: !4)
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| !24 = !{i32 1, !"Debug Info Version", i32 3}
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