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				https://github.com/c64scene-ar/llvm-6502.git
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	This commit moves `MDLocation`, finishing off PR21433.  There's an
accompanying clang commit for frontend testcases.  I'll attach the
testcase upgrade script I used to PR21433 to help out-of-tree
frontends/backends.
This changes the schema for `DebugLoc` and `DILocation` from:
    !{i32 3, i32 7, !7, !8}
to:
    !MDLocation(line: 3, column: 7, scope: !7, inlinedAt: !8)
Note that empty fields (line/column: 0 and inlinedAt: null) don't get
printed by the assembly writer.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@226048 91177308-0d34-0410-b5e6-96231b3b80d8
		
	
		
			
				
	
	
		
			367 lines
		
	
	
		
			16 KiB
		
	
	
	
		
			LLVM
		
	
	
	
	
	
			
		
		
	
	
			367 lines
		
	
	
		
			16 KiB
		
	
	
	
		
			LLVM
		
	
	
	
	
	
| ; REQUIRES: object-emission
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| 
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| ; RUN: %llc_dwarf -O0 -filetype=obj < %s > %t
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| ; RUN: llvm-dwarfdump %t | FileCheck %s
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| ; CHECK: debug_info contents
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| ; CHECK: [[NS1:0x[0-9a-f]*]]:{{ *}}DW_TAG_namespace
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| ; CHECK-NEXT: DW_AT_name{{.*}} = "A"
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| ; CHECK-NEXT: DW_AT_decl_file{{.*}}([[F1:".*debug-info-namespace.cpp"]])
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| ; CHECK-NEXT: DW_AT_decl_line{{.*}}(5)
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| ; CHECK-NOT: NULL
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| ; CHECK: [[NS2:0x[0-9a-f]*]]:{{ *}}DW_TAG_namespace
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| ; CHECK-NEXT: DW_AT_name{{.*}} = "B"
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| ; CHECK-NEXT: DW_AT_decl_file{{.*}}([[F2:".*foo.cpp"]])
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| ; CHECK-NEXT: DW_AT_decl_line{{.*}}(1)
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| ; CHECK-NOT: NULL
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| ; CHECK: [[I:0x[0-9a-f]*]]:{{ *}}DW_TAG_variable
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| ; CHECK-NEXT: DW_AT_name{{.*}}= "i"
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| ; CHECK: [[VAR_FWD:0x[0-9a-f]*]]:{{ *}}DW_TAG_variable
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| ; CHECK-NEXT: DW_AT_name{{.*}}= "var_fwd"
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| ; CHECK-NOT: NULL
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| ; CHECK: [[FOO:0x[0-9a-f]*]]:{{ *}}DW_TAG_structure_type
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| ; CHECK-NEXT: DW_AT_name{{.*}}= "foo"
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| ; CHECK-NEXT: DW_AT_declaration
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| ; CHECK-NOT: NULL
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| ; CHECK: [[BAR:0x[0-9a-f]*]]:{{ *}}DW_TAG_structure_type
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| ; CHECK-NEXT: DW_AT_name{{.*}}= "bar"
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| ; CHECK: [[FUNC1:.*]]: DW_TAG_subprogram
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| ; CHECK-NOT: DW_TAG
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| ; CHECK: DW_AT_MIPS_linkage_name
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| ; CHECK-NOT: DW_TAG
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| ; CHECK: DW_AT_name{{.*}}= "f1"
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| ; CHECK: [[BAZ:0x[0-9a-f]*]]:{{.*}}DW_TAG_typedef
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| ; CHECK-NOT: DW_TAG
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| ; CHECK: DW_AT_name{{.*}}= "baz"
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| ; CHECK: [[VAR_DECL:0x[0-9a-f]*]]:{{.*}}DW_TAG_variable
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| ; CHECK-NOT: DW_TAG
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| ; CHECK: DW_AT_name{{.*}}= "var_decl"
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| ; CHECK-NOT: DW_TAG
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| ; CHECK: DW_AT_declaration
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| ; CHECK: [[FUNC_DECL:0x[0-9a-f]*]]:{{.*}}DW_TAG_subprogram
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| ; CHECK-NOT: DW_TAG
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| ; CHECK: DW_AT_name{{.*}}= "func_decl"
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| ; CHECK-NOT: DW_TAG
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| ; CHECK: DW_AT_declaration
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| ; CHECK: [[FUNC_FWD:0x[0-9a-f]*]]:{{.*}}DW_TAG_subprogram
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| ; CHECK-NOT: DW_TAG
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| ; CHECK: DW_AT_name{{.*}}= "func_fwd"
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| ; CHECK-NOT: DW_AT_declaration
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| ; CHECK: DW_TAG_subprogram
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| ; CHECK-NOT: DW_TAG
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| ; CHECK: DW_AT_MIPS_linkage_name
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| ; CHECK-NOT: DW_TAG
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| ; CHECK: DW_AT_name{{.*}}= "f1"
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| ; CHECK: NULL
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| 
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| ; CHECK-NOT: NULL
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| ; CHECK: DW_TAG_imported_module
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| ; This is a bug, it should be in F2 but it inherits the file from its
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| ; enclosing scope
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| ; CHECK-NEXT: DW_AT_decl_file{{.*}}([[F1]])
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| ; CHECK-NEXT: DW_AT_decl_line{{.*}}(15)
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| ; CHECK-NEXT: DW_AT_import{{.*}}=> {[[NS2]]})
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| ; CHECK: NULL
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| ; CHECK-NOT: NULL
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| 
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| ; CHECK: DW_TAG_imported_module
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| ; Same bug as above, this should be F2, not F1
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| ; CHECK-NEXT: DW_AT_decl_file{{.*}}([[F1]])
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| ; CHECK-NEXT: DW_AT_decl_line{{.*}}(18)
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| ; CHECK-NEXT: DW_AT_import{{.*}}=> {[[NS1]]})
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| ; CHECK-NOT: NULL
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| 
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| ; CHECK: DW_TAG_subprogram
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| ; CHECK-NOT: DW_TAG
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| ; CHECK: DW_AT_MIPS_linkage_name
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| ; CHECK-NOT: DW_TAG
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| ; CHECK: DW_AT_name{{.*}}= "func"
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| ; CHECK-NOT: NULL
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| ; CHECK: DW_TAG_imported_module
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| ; CHECK-NEXT: DW_AT_decl_file{{.*}}([[F2]])
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| ; CHECK-NEXT: DW_AT_decl_line{{.*}}(26)
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| ; CHECK-NEXT: DW_AT_import{{.*}}=> {[[NS1]]})
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| ; CHECK-NOT: NULL
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| ; CHECK: DW_TAG_imported_declaration
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| ; CHECK-NEXT: DW_AT_decl_file{{.*}}([[F2]])
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| ; CHECK-NEXT: DW_AT_decl_line{{.*}}(27)
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| ; CHECK-NEXT: DW_AT_import{{.*}}=> {[[FOO]]})
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| ; CHECK-NOT: NULL
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| ; CHECK: DW_TAG_imported_declaration
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| ; CHECK-NEXT: DW_AT_decl_file{{.*}}([[F2]])
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| ; CHECK-NEXT: DW_AT_decl_line{{.*}}(28)
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| ; CHECK-NEXT: DW_AT_import{{.*}}=> {[[BAR]]})
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| ; CHECK-NOT: NULL
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| ; CHECK: DW_TAG_imported_declaration
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| ; CHECK-NEXT: DW_AT_decl_file{{.*}}([[F2]])
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| ; CHECK-NEXT: DW_AT_decl_line{{.*}}(29)
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| ; CHECK-NEXT: DW_AT_import{{.*}}=> {[[FUNC1]]})
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| ; CHECK-NOT: NULL
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| ; CHECK: DW_TAG_imported_declaration
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| ; CHECK-NEXT: DW_AT_decl_file{{.*}}([[F2]])
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| ; CHECK-NEXT: DW_AT_decl_line{{.*}}(30)
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| ; CHECK-NEXT: DW_AT_import{{.*}}=> {[[I]]})
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| ; CHECK-NOT: NULL
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| ; CHECK: DW_TAG_imported_declaration
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| ; CHECK-NEXT: DW_AT_decl_file{{.*}}([[F2]])
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| ; CHECK-NEXT: DW_AT_decl_line{{.*}}(31)
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| ; CHECK-NEXT: DW_AT_import{{.*}}=> {[[BAZ]]})
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| ; CHECK-NOT: NULL
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| ; CHECK: [[X:0x[0-9a-f]*]]:{{ *}}DW_TAG_imported_declaration
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| ; CHECK-NEXT: DW_AT_decl_file{{.*}}([[F2]])
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| ; CHECK-NEXT: DW_AT_decl_line{{.*}}(32)
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| ; CHECK-NEXT: DW_AT_import{{.*}}=> {[[NS1]]})
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| ; CHECK-NEXT: DW_AT_name{{.*}}"X"
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| ; CHECK-NOT: NULL
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| ; CHECK: DW_TAG_imported_declaration
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| ; CHECK-NEXT: DW_AT_decl_file{{.*}}([[F2]])
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| ; CHECK-NEXT: DW_AT_decl_line{{.*}}(33)
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| ; CHECK-NEXT: DW_AT_import{{.*}}=> {[[X]]})
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| ; CHECK-NEXT: DW_AT_name{{.*}}"Y"
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| ; CHECK-NOT: NULL
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| ; CHECK: DW_TAG_imported_declaration
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| ; CHECK-NEXT: DW_AT_decl_file{{.*}}([[F2]])
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| ; CHECK-NEXT: DW_AT_decl_line{{.*}}(34)
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| ; CHECK-NEXT: DW_AT_import{{.*}}=> {[[VAR_DECL]]})
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| ; CHECK: DW_TAG_imported_declaration
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| ; CHECK-NEXT: DW_AT_decl_file{{.*}}([[F2]])
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| ; CHECK-NEXT: DW_AT_decl_line{{.*}}(35)
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| ; CHECK-NEXT: DW_AT_import{{.*}}=> {[[FUNC_DECL]]})
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| ; CHECK: DW_TAG_imported_declaration
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| ; CHECK-NEXT: DW_AT_decl_file{{.*}}([[F2]])
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| ; CHECK-NEXT: DW_AT_decl_line{{.*}}(36)
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| ; CHECK-NEXT: DW_AT_import{{.*}}=> {[[VAR_FWD]]})
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| ; CHECK: DW_TAG_imported_declaration
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| ; CHECK-NEXT: DW_AT_decl_file{{.*}}([[F2]])
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| ; CHECK-NEXT: DW_AT_decl_line{{.*}}(37)
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| ; CHECK-NEXT: DW_AT_import{{.*}}=> {[[FUNC_FWD]]})
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| 
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| ; CHECK: DW_TAG_lexical_block
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| ; CHECK-NOT: NULL
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| ; CHECK: DW_TAG_imported_module
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| ; CHECK-NEXT: DW_AT_decl_file{{.*}}([[F2]])
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| ; CHECK-NEXT: DW_AT_decl_line{{.*}}(23)
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| ; CHECK-NEXT: DW_AT_import{{.*}}=>
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| ; CHECK: NULL
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| ; CHECK: NULL
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| ; CHECK: NULL
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| 
 | |
| ; IR generated from clang/test/CodeGenCXX/debug-info-namespace.cpp, file paths
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| ; changed to protect the guilty. The C++ source code is:
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| ; // RUN...
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| ; // RUN...
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| ; // RUN...
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| ;
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| ; namespace A {
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| ; #line 1 "foo.cpp"
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| ; namespace B {
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| ; extern int i;
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| ; int f1() { return 0; }
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| ; void f1(int) { }
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| ; struct foo;
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| ; struct bar { };
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| ; typedef bar baz;
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| ; extern int var_decl;
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| ; void func_decl(void);
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| ; extern int var_fwd;
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| ; void func_fwd(void);
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| ; }
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| ; }
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| ; namespace A {
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| ; using namespace B;
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| ; }
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| ;
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| ; using namespace A;
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| ; namespace E = A;
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| ; int B::i = f1();
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| ; int func(bool b) {
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| ;   if (b) {
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| ;     using namespace A::B;
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| ;     return i;
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| ;   }
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| ;   using namespace A;
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| ;   using B::foo;
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| ;   using B::bar;
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| ;   using B::f1;
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| ;   using B::i;
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| ;   using B::baz;
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| ;   namespace X = A;
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| ;   namespace Y = X;
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| ;   using B::var_decl;
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| ;   using B::func_decl;
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| ;   using B::var_fwd;
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| ;   using B::func_fwd;
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| ;   return i + X::B::i + Y::B::i;
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| ; }
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| ;
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| ; namespace A {
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| ; using B::i;
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| ; namespace B {
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| ; int var_fwd = i;
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| ; }
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| ; }
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| ; void B::func_fwd() {}
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| 
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| @_ZN1A1B1iE = global i32 0, align 4
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| @_ZN1A1B7var_fwdE = global i32 0, align 4
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| @llvm.global_ctors = appending global [1 x { i32, void ()*, i8* }] [{ i32, void ()*, i8* } { i32 65535, void ()* @_GLOBAL__sub_I_debug_info_namespace.cpp, i8* null }]
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| 
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| ; Function Attrs: nounwind ssp uwtable
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| define i32 @_ZN1A1B2f1Ev() #0 {
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| entry:
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|   ret i32 0, !dbg !60
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| }
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| 
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| ; Function Attrs: nounwind ssp uwtable
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| define void @_ZN1A1B2f1Ei(i32) #0 {
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| entry:
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|   %.addr = alloca i32, align 4
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|   store i32 %0, i32* %.addr, align 4
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|   call void @llvm.dbg.declare(metadata i32* %.addr, metadata !61, metadata !62), !dbg !63
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|   ret void, !dbg !64
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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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| define internal void @__cxx_global_var_init() section "__TEXT,__StaticInit,regular,pure_instructions" {
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| entry:
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|   %call = call i32 @_ZN1A1B2f1Ev(), !dbg !65
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|   store i32 %call, i32* @_ZN1A1B1iE, align 4, !dbg !65
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|   ret void, !dbg !65
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| }
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| 
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| ; Function Attrs: nounwind ssp uwtable
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| define i32 @_Z4funcb(i1 zeroext %b) #0 {
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| entry:
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|   %retval = alloca i32, align 4
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|   %b.addr = alloca i8, align 1
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|   %frombool = zext i1 %b to i8
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|   store i8 %frombool, i8* %b.addr, align 1
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|   call void @llvm.dbg.declare(metadata i8* %b.addr, metadata !66, metadata !62), !dbg !67
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|   %0 = load i8* %b.addr, align 1, !dbg !68
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|   %tobool = trunc i8 %0 to i1, !dbg !68
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|   br i1 %tobool, label %if.then, label %if.end, !dbg !68
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| 
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| if.then:                                          ; preds = %entry
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|   %1 = load i32* @_ZN1A1B1iE, align 4, !dbg !69
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|   store i32 %1, i32* %retval, !dbg !69
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|   br label %return, !dbg !69
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| 
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| if.end:                                           ; preds = %entry
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|   %2 = load i32* @_ZN1A1B1iE, align 4, !dbg !70
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|   %3 = load i32* @_ZN1A1B1iE, align 4, !dbg !70
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|   %add = add nsw i32 %2, %3, !dbg !70
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|   %4 = load i32* @_ZN1A1B1iE, align 4, !dbg !70
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|   %add1 = add nsw i32 %add, %4, !dbg !70
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|   store i32 %add1, i32* %retval, !dbg !70
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|   br label %return, !dbg !70
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| 
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| return:                                           ; preds = %if.end, %if.then
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|   %5 = load i32* %retval, !dbg !71
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|   ret i32 %5, !dbg !71
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| }
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| 
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| define internal void @__cxx_global_var_init1() section "__TEXT,__StaticInit,regular,pure_instructions" {
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| entry:
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|   %0 = load i32* @_ZN1A1B1iE, align 4, !dbg !72
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|   store i32 %0, i32* @_ZN1A1B7var_fwdE, align 4, !dbg !72
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|   ret void, !dbg !72
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| }
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| 
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| ; Function Attrs: nounwind ssp uwtable
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| define void @_ZN1A1B8func_fwdEv() #0 {
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| entry:
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|   ret void, !dbg !73
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| }
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| 
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| define internal void @_GLOBAL__sub_I_debug_info_namespace.cpp() section "__TEXT,__StaticInit,regular,pure_instructions" {
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| entry:
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|   call void @__cxx_global_var_init(), !dbg !74
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|   call void @__cxx_global_var_init1(), !dbg !74
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|   ret void, !dbg !74
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| }
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| 
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| attributes #0 = { nounwind ssp uwtable "less-precise-fpmad"="false" "no-frame-pointer-elim"="true" "no-frame-pointer-elim-non-leaf" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "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 = !{!57, !58}
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| !llvm.ident = !{!59}
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| 
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| !0 = !{!"0x11\004\00clang version 3.6.0 \000\00\000\00\001", !1, !2, !3, !9, !30, !33} ; [ DW_TAG_compile_unit ] [/tmp/debug-info-namespace.cpp] [DW_LANG_C_plus_plus]
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| !1 = !{!"debug-info-namespace.cpp", !"/tmp"}
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| !2 = !{}
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| !3 = !{!4, !8}
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| !4 = !{!"0x13\00foo\005\000\000\000\004\000", !5, !6, null, null, null, null, !"_ZTSN1A1B3fooE"} ; [ DW_TAG_structure_type ] [foo] [line 5, size 0, align 0, offset 0] [decl] [from ]
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| !5 = !{!"foo.cpp", !"/tmp"}
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| !6 = !{!"0x39\00B\001", !5, !7} ; [ DW_TAG_namespace ] [B] [line 1]
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| !7 = !{!"0x39\00A\005", !1, null} ; [ DW_TAG_namespace ] [A] [line 5]
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| !8 = !{!"0x13\00bar\006\008\008\000\000\000", !5, !6, null, !2, null, null, !"_ZTSN1A1B3barE"} ; [ DW_TAG_structure_type ] [bar] [line 6, size 8, align 8, offset 0] [def] [from ]
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| !9 = !{!10, !14, !17, !21, !25, !26, !27}
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| !10 = !{!"0x2e\00f1\00f1\00_ZN1A1B2f1Ev\003\000\001\000\000\00256\000\003", !5, !6, !11, null, i32 ()* @_ZN1A1B2f1Ev, null, null, !2} ; [ DW_TAG_subprogram ] [line 3] [def] [f1]
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| !11 = !{!"0x15\00\000\000\000\000\000\000", null, null, null, !12, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
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| !12 = !{!13}
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| !13 = !{!"0x24\00int\000\0032\0032\000\000\005", null, null} ; [ DW_TAG_base_type ] [int] [line 0, size 32, align 32, offset 0, enc DW_ATE_signed]
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| !14 = !{!"0x2e\00f1\00f1\00_ZN1A1B2f1Ei\004\000\001\000\000\00256\000\004", !5, !6, !15, null, void (i32)* @_ZN1A1B2f1Ei, null, null, !2} ; [ DW_TAG_subprogram ] [line 4] [def] [f1]
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| !15 = !{!"0x15\00\000\000\000\000\000\000", null, null, null, !16, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
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| !16 = !{null, !13}
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| !17 = !{!"0x2e\00__cxx_global_var_init\00__cxx_global_var_init\00\0020\001\001\000\000\00256\000\0020", !5, !18, !19, null, void ()* @__cxx_global_var_init, null, null, !2} ; [ DW_TAG_subprogram ] [line 20] [local] [def] [__cxx_global_var_init]
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| !18 = !{!"0x29", !5}   ; [ DW_TAG_file_type ] [/tmp/foo.cpp]
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| !19 = !{!"0x15\00\000\000\000\000\000\000", null, null, null, !20, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
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| !20 = !{null}
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| !21 = !{!"0x2e\00func\00func\00_Z4funcb\0021\000\001\000\000\00256\000\0021", !5, !18, !22, null, i32 (i1)* @_Z4funcb, null, null, !2} ; [ DW_TAG_subprogram ] [line 21] [def] [func]
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| !22 = !{!"0x15\00\000\000\000\000\000\000", null, null, null, !23, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
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| !23 = !{!13, !24}
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| !24 = !{!"0x24\00bool\000\008\008\000\000\002", null, null} ; [ DW_TAG_base_type ] [bool] [line 0, size 8, align 8, offset 0, enc DW_ATE_boolean]
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| !25 = !{!"0x2e\00__cxx_global_var_init1\00__cxx_global_var_init1\00\0044\001\001\000\000\00256\000\0044", !5, !18, !19, null, void ()* @__cxx_global_var_init1, null, null, !2} ; [ DW_TAG_subprogram ] [line 44] [local] [def] [__cxx_global_var_init1]
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| !26 = !{!"0x2e\00func_fwd\00func_fwd\00_ZN1A1B8func_fwdEv\0047\000\001\000\000\00256\000\0047", !5, !6, !19, null, void ()* @_ZN1A1B8func_fwdEv, null, null, !2} ; [ DW_TAG_subprogram ] [line 47] [def] [func_fwd]
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| !27 = !{!"0x2e\00\00\00_GLOBAL__sub_I_debug_info_namespace.cpp\000\001\001\000\000\0064\000\000", !1, !28, !29, null, void ()* @_GLOBAL__sub_I_debug_info_namespace.cpp, null, null, !2} ; [ DW_TAG_subprogram ] [line 0] [local] [def]
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| !28 = !{!"0x29", !1}   ; [ DW_TAG_file_type ] [/tmp/debug-info-namespace.cpp]
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| !29 = !{!"0x15\00\000\000\000\000\000\000", null, null, null, !2, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
 | |
| !30 = !{!31, !32}
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| !31 = !{!"0x34\00i\00i\00_ZN1A1B1iE\0020\000\001", !6, !18, !13, i32* @_ZN1A1B1iE, null} ; [ DW_TAG_variable ] [i] [line 20] [def]
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| !32 = !{!"0x34\00var_fwd\00var_fwd\00_ZN1A1B7var_fwdE\0044\000\001", !6, !18, !13, i32* @_ZN1A1B7var_fwdE, null} ; [ DW_TAG_variable ] [var_fwd] [line 44] [def]
 | |
| !33 = !{!34, !35, !36, !37, !40, !41, !42, !43, !44, !45, !47, !48, !49, !51, !54, !55, !56}
 | |
| !34 = !{!"0x3a\0015\00", !7, !6} ; [ DW_TAG_imported_module ]
 | |
| !35 = !{!"0x3a\0018\00", !0, !7} ; [ DW_TAG_imported_module ]
 | |
| !36 = !{!"0x8\0019\00E", !0, !7} ; [ DW_TAG_imported_declaration ]
 | |
| !37 = !{!"0x3a\0023\00", !38, !6} ; [ DW_TAG_imported_module ]
 | |
| !38 = !{!"0xb\0022\0010\001", !5, !39} ; [ DW_TAG_lexical_block ] [/tmp/foo.cpp]
 | |
| !39 = !{!"0xb\0022\007\000", !5, !21} ; [ DW_TAG_lexical_block ] [/tmp/foo.cpp]
 | |
| !40 = !{!"0x3a\0026\00", !21, !7} ; [ DW_TAG_imported_module ]
 | |
| !41 = !{!"0x8\0027\00", !21, !"_ZTSN1A1B3fooE"} ; [ DW_TAG_imported_declaration ]
 | |
| !42 = !{!"0x8\0028\00", !21, !"_ZTSN1A1B3barE"} ; [ DW_TAG_imported_declaration ]
 | |
| !43 = !{!"0x8\0029\00", !21, !14} ; [ DW_TAG_imported_declaration ]
 | |
| !44 = !{!"0x8\0030\00", !21, !31} ; [ DW_TAG_imported_declaration ]
 | |
| !45 = !{!"0x8\0031\00", !21, !46} ; [ DW_TAG_imported_declaration ]
 | |
| !46 = !{!"0x16\00baz\007\000\000\000\000", !5, !6, !"_ZTSN1A1B3barE"} ; [ DW_TAG_typedef ] [baz] [line 7, size 0, align 0, offset 0] [from _ZTSN1A1B3barE]
 | |
| !47 = !{!"0x8\0032\00X", !21, !7} ; [ DW_TAG_imported_declaration ]
 | |
| !48 = !{!"0x8\0033\00Y", !21, !47} ; [ DW_TAG_imported_declaration ]
 | |
| !49 = !{!"0x8\0034\00", !21, !50} ; [ DW_TAG_imported_declaration ]
 | |
| !50 = !{!"0x34\00var_decl\00var_decl\00_ZN1A1B8var_declE\008\000\000", !6, !18, !13, null, null} ; [ DW_TAG_variable ] [var_decl] [line 8]
 | |
| !51 = !{!"0x8\0035\00", !21, !52} ; [ DW_TAG_imported_declaration ]
 | |
| !52 = !{!"0x2e\00func_decl\00func_decl\00_ZN1A1B9func_declEv\009\000\000\000\000\00256\000\000", !5, !6, !19, null, null, null, null, !53} ; [ DW_TAG_subprogram ] [line 9] [scope 0] [func_decl]
 | |
| !53 = !{!"0x24"}
 | |
| !54 = !{!"0x8\0036\00", !21, !32} ; [ DW_TAG_imported_declaration ]
 | |
| !55 = !{!"0x8\0037\00", !21, !26} ; [ DW_TAG_imported_declaration ]
 | |
| !56 = !{!"0x8\0042\00", !7, !31} ; [ DW_TAG_imported_declaration ]
 | |
| !57 = !{i32 2, !"Dwarf Version", i32 2}
 | |
| !58 = !{i32 2, !"Debug Info Version", i32 2}
 | |
| !59 = !{!"clang version 3.6.0 "}
 | |
| !60 = !MDLocation(line: 3, column: 12, scope: !10)
 | |
| !61 = !{!"0x101\00\0016777220\000", !14, !18, !13} ; [ DW_TAG_arg_variable ] [line 4]
 | |
| !62 = !{!"0x102"}               ; [ DW_TAG_expression ]
 | |
| !63 = !MDLocation(line: 4, column: 12, scope: !14)
 | |
| !64 = !MDLocation(line: 4, column: 16, scope: !14)
 | |
| !65 = !MDLocation(line: 20, column: 12, scope: !17)
 | |
| !66 = !{!"0x101\00b\0016777237\000", !21, !18, !24} ; [ DW_TAG_arg_variable ] [b] [line 21]
 | |
| !67 = !MDLocation(line: 21, column: 15, scope: !21)
 | |
| !68 = !MDLocation(line: 22, column: 7, scope: !21)
 | |
| !69 = !MDLocation(line: 24, column: 5, scope: !38)
 | |
| !70 = !MDLocation(line: 38, column: 3, scope: !21)
 | |
| !71 = !MDLocation(line: 39, column: 1, scope: !21)
 | |
| !72 = !MDLocation(line: 44, column: 15, scope: !25)
 | |
| !73 = !MDLocation(line: 47, column: 21, scope: !26)
 | |
| !74 = !MDLocation(line: 0, scope: !75)
 | |
| !75 = !{!"0xb\000", !5, !27} ; [ DW_TAG_lexical_block ] [/tmp/foo.cpp]
 |