247 lines
		
	
	
		
			8.4 KiB
		
	
	
	
		
			LLVM
		
	
	
	
			
		
		
	
	
			247 lines
		
	
	
		
			8.4 KiB
		
	
	
	
		
			LLVM
		
	
	
	
| ; RUN: llc -filetype=obj %s -o - | llvm-readobj -r -s -symbols | FileCheck %s
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| 
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| ; CHECK: Format: WASM
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| ; CHECK-NEXT:Arch: wasm32
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| ; CHECK-NEXT:AddressSize: 32bit
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| ; CHECK-NEXT:Sections [
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| ; CHECK-NEXT:  Section {
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| ; CHECK-NEXT:    Type: TYPE (0x1)
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| ; CHECK-NEXT:    Size: 4
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| ; CHECK-NEXT:    Offset: 8
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| ; CHECK-NEXT:  }
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| ; CHECK-NEXT:  Section {
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| ; CHECK-NEXT:    Type: IMPORT (0x2)
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| ; CHECK-NEXT:    Size: 58
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| ; CHECK-NEXT:    Offset: 18
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| ; CHECK-NEXT:  }
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| ; CHECK-NEXT:  Section {
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| ; CHECK-NEXT:    Type: FUNCTION (0x3)
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| ; CHECK-NEXT:    Size: 2
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| ; CHECK-NEXT:    Offset: 82
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| ; CHECK-NEXT:  }
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| ; CHECK-NEXT:  Section {
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| ; CHECK-NEXT:    Type: ELEM (0x9)
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| ; CHECK-NEXT:    Size: 7
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| ; CHECK-NEXT:    Offset: 90
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| ; CHECK-NEXT:  }
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| ; CHECK-NEXT:  Section {
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| ; CHECK-NEXT:    Type: CODE (0xA)
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| ; CHECK-NEXT:    Size: 4
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| ; CHECK-NEXT:    Offset: 103
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| ; CHECK-NEXT:  }
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| ; CHECK-NEXT:  Section {
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| ; CHECK-NEXT:    Type: DATA (0xB)
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| ; CHECK-NEXT:    Size: 19
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| ; CHECK-NEXT:    Offset: 113
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| ; CHECK-NEXT:    Segments [
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| ; CHECK-NEXT:      Segment {
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| ; CHECK-NEXT:        Name: .data.foo
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| ; CHECK-NEXT:        Size: 4
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| ; CHECK-NEXT:        Offset: 0
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| ; CHECK-NEXT:      }
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| ; CHECK-NEXT:      Segment {
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| ; CHECK-NEXT:        Name: .data.ptr2
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| ; CHECK-NEXT:        Size: 4
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| ; CHECK-NEXT:        Offset: 4
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| ; CHECK-NEXT:      }
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| ; CHECK-NEXT:    ]
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| ; CHECK-NEXT:  }
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| ; CHECK-NEXT:  Section {
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| ; CHECK-NEXT:    Type: CUSTOM (0x0)
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| ; CHECK-NEXT:    Size: 121
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| ; CHECK-NEXT:    Offset: 138
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| ; CHECK-NEXT:    Name: .debug_str
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| ; CHECK-NEXT:  }
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| ; CHECK-NEXT:  Section {
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| ; CHECK-NEXT:    Type: CUSTOM (0x0)
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| ; CHECK-NEXT:    Size: 84
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| ; CHECK-NEXT:    Offset: 276
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| ; CHECK-NEXT:    Name: .debug_abbrev
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| ; CHECK-NEXT:  }
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| ; CHECK-NEXT:  Section {
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| ; CHECK-NEXT:    Type: CUSTOM (0x0)
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| ; CHECK-NEXT:    Size: 106
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| ; CHECK-NEXT:    Offset: 380
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| ; CHECK-NEXT:    Name: .debug_info
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| ; CHECK-NEXT:  }
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| ; CHECK-NEXT:  Section {
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| ; CHECK-NEXT:    Type: CUSTOM (0x0)
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| ; CHECK-NEXT:    Size: 1
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| ; CHECK-NEXT:    Offset: 504
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| ; CHECK-NEXT:    Name: .debug_macinfo
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| ; CHECK-NEXT:  }
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| ; CHECK-NEXT:  Section {
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| ; CHECK-NEXT:    Type: CUSTOM (0x0)
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| ; CHECK-NEXT:    Size: 42
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| ; CHECK-NEXT:    Offset: 526
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| ; CHECK-NEXT:    Name: .debug_pubnames
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| ; CHECK-NEXT:  }
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| ; CHECK-NEXT:  Section {
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| ; CHECK-NEXT:    Type: CUSTOM (0x0)
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| ; CHECK-NEXT:    Size: 26
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| ; CHECK-NEXT:    Offset: 590
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| ; CHECK-NEXT:    Name: .debug_pubtypes
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| ; CHECK-NEXT:  }
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| ; CHECK-NEXT:  Section {
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| ; CHECK-NEXT:    Type: CUSTOM (0x0)
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| ; CHECK-NEXT:    Size: 57
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| ; CHECK-NEXT:    Offset: 638
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| ; CHECK-NEXT:    Name: .debug_line
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| ; CHECK-NEXT:  }
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| ; CHECK-NEXT:  Section {
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| ; CHECK-NEXT:    Type: CUSTOM (0x0)
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| ; CHECK-NEXT:    Size: 88
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| ; CHECK-NEXT:    Offset: 713
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| ; CHECK-NEXT:    Name: linking
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| ; CHECK-NEXT:  }
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| ; CHECK-NEXT:  Section {
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| ; CHECK-NEXT:    Type: CUSTOM (0x0)
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| ; CHECK-NEXT:    Size: 9
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| ; CHECK-NEXT:    Offset: 815
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| ; CHECK-NEXT:    Name: reloc.DATA
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| ; CHECK-NEXT:  }
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| ; CHECK-NEXT:  Section {
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| ; CHECK-NEXT:    Type: CUSTOM (0x0)
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| ; CHECK-NEXT:    Size: 58
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| ; CHECK-NEXT:    Offset: 841
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| ; CHECK-NEXT:    Name: reloc..debug_info
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| ; CHECK-NEXT:  }
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| ; CHECK-NEXT:  Section {
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| ; CHECK-NEXT:    Type: CUSTOM (0x0)
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| ; CHECK-NEXT:    Size: 6
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| ; CHECK-NEXT:    Offset: 923
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| ; CHECK-NEXT:    Name: reloc..debug_pubnames
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| ; CHECK-NEXT:  }
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| ; CHECK-NEXT:  Section {
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| ; CHECK-NEXT:    Type: CUSTOM (0x0)
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| ; CHECK-NEXT:    Size: 6
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| ; CHECK-NEXT:    Offset: 957
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| ; CHECK-NEXT:    Name: reloc..debug_pubtypes
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| ; CHECK-NEXT:  }
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| ; CHECK-NEXT:  Section {
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| ; CHECK-NEXT:    Type: CUSTOM (0x0)
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| ; CHECK-NEXT:    Size: 6
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| ; CHECK-NEXT:    Offset: 991
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| ; CHECK-NEXT:    Name: reloc..debug_line
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| ; CHECK-NEXT:  }
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| ; CHECK-NEXT:]
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| ; CHECK-NEXT:Relocations [
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| ; CHECK-NEXT:  Section (6) DATA {
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| ; CHECK-NEXT:    0x6 R_WEBASSEMBLY_MEMORY_ADDR_I32 myextern 0
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| ; CHECK-NEXT:    0xF R_WEBASSEMBLY_TABLE_INDEX_I32 f2
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| ; CHECK-NEXT:  }
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| ; CHECK-NEXT:  Section (9) .debug_info {
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| ; CHECK-NEXT:    0x6 R_WEBASSEMBLY_SECTION_OFFSET_I32 .debug_abbrev 0
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| ; CHECK-NEXT:    0xC R_WEBASSEMBLY_SECTION_OFFSET_I32 .debug_str 0
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| ; CHECK-NEXT:    0x12 R_WEBASSEMBLY_SECTION_OFFSET_I32 .debug_str 55
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| ; CHECK-NEXT:    0x16 R_WEBASSEMBLY_SECTION_OFFSET_I32 .debug_line 0
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| ; CHECK-NEXT:    0x1A R_WEBASSEMBLY_SECTION_OFFSET_I32 .debug_str 62
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| ; CHECK-NEXT:    0x1E R_WEBASSEMBLY_FUNCTION_OFFSET_I32 f2 0
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| ; CHECK-NEXT:    0x27 R_WEBASSEMBLY_SECTION_OFFSET_I32 .debug_str 105
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| ; CHECK-NEXT:    0x33 R_WEBASSEMBLY_MEMORY_ADDR_I32 foo 0
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| ; CHECK-NEXT:    0x3D R_WEBASSEMBLY_SECTION_OFFSET_I32 .debug_str 109
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| ; CHECK-NEXT:    0x44 R_WEBASSEMBLY_SECTION_OFFSET_I32 .debug_str 113
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| ; CHECK-NEXT:    0x50 R_WEBASSEMBLY_MEMORY_ADDR_I32 ptr2 0
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| ; CHECK-NEXT:    0x5B R_WEBASSEMBLY_FUNCTION_OFFSET_I32 f2 0
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| ; CHECK-NEXT:    0x63 R_WEBASSEMBLY_SECTION_OFFSET_I32 .debug_str 118
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| ; CHECK-NEXT:  }
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| ; CHECK-NEXT:  Section (11) .debug_pubnames {
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| ; CHECK-NEXT:    0x6 R_WEBASSEMBLY_SECTION_OFFSET_I32 .debug_info 0
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| ; CHECK-NEXT:  }
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| ; CHECK-NEXT:  Section (12) .debug_pubtypes {
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| ; CHECK-NEXT:    0x6 R_WEBASSEMBLY_SECTION_OFFSET_I32 .debug_info 0
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| ; CHECK-NEXT:  }
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| ; CHECK-NEXT:  Section (13) .debug_line {
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| ; CHECK-NEXT:    0x2B R_WEBASSEMBLY_FUNCTION_OFFSET_I32 f2 0
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| ; CHECK-NEXT:  }
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| ; CHECK-NEXT:]
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| ; CHECK-NEXT:Symbols [
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| ; CHECK-NEXT:  Symbol {
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| ; CHECK-NEXT:    Name: f2
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| ; CHECK-NEXT:    Type: FUNCTION (0x0)
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| ; CHECK-NEXT:    Flags: 0x4
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| ; CHECK-NEXT:  }
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| ; CHECK-NEXT:  Symbol {
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| ; CHECK-NEXT:    Name: foo
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| ; CHECK-NEXT:    Type: DATA (0x1)
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| ; CHECK-NEXT:    Flags: 0x4
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| ; CHECK-NEXT:  }
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| ; CHECK-NEXT:  Symbol {
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| ; CHECK-NEXT:    Name: myextern
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| ; CHECK-NEXT:    Type: DATA (0x1)
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| ; CHECK-NEXT:    Flags: 0x10
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| ; CHECK-NEXT:  }
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| ; CHECK-NEXT:  Symbol {
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| ; CHECK-NEXT:    Name: ptr2
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| ; CHECK-NEXT:    Type: DATA (0x1)
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| ; CHECK-NEXT:    Flags: 0x4
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| ; CHECK-NEXT:  }
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| ; CHECK-NEXT:  Symbol {
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| ; CHECK-NEXT:    Name: .debug_str
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| ; CHECK-NEXT:    Type: SECTION (0x3)
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| ; CHECK-NEXT:    Flags: 0x2
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| ; CHECK-NEXT:  }
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| ; CHECK-NEXT:  Symbol {
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| ; CHECK-NEXT:    Name: .debug_abbrev
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| ; CHECK-NEXT:    Type: SECTION (0x3)
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| ; CHECK-NEXT:    Flags: 0x2
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| ; CHECK-NEXT:  }
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| ; CHECK-NEXT:  Symbol {
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| ; CHECK-NEXT:    Name: .debug_info
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| ; CHECK-NEXT:    Type: SECTION (0x3)
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| ; CHECK-NEXT:    Flags: 0x2
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| ; CHECK-NEXT:  }
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| ; CHECK-NEXT:  Symbol {
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| ; CHECK-NEXT:    Name: .debug_line
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| ; CHECK-NEXT:    Type: SECTION (0x3)
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| ; CHECK-NEXT:    Flags: 0x2
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| ; CHECK-NEXT:  }
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| ; CHECK-NEXT:]
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| 
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| ; generated from the following C code using: clang --target=wasm32 -g -O0 -S -emit-llvm test.c
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| ; extern int myextern;
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| ; void f2(void) { return; }
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| ;
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| ; int* foo = &myextern;
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| ; void (*ptr2)(void) = f2;
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| 
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| target triple = "wasm32-unknown-unknown"
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| 
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| source_filename = "test.c"
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| 
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| @myextern = external global i32, align 4
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| @foo = hidden global i32* @myextern, align 4, !dbg !0
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| @ptr2 = hidden global void ()* @f2, align 4, !dbg !6
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| 
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| ; Function Attrs: noinline nounwind optnone
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| define hidden void @f2() #0 !dbg !17 {
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| entry:
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|   ret void, !dbg !18
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| }
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| 
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| attributes #0 = { noinline nounwind optnone "correctly-rounded-divide-sqrt-fp-math"="false" "disable-tail-calls"="false" "less-precise-fpmad"="false" "no-frame-pointer-elim"="false" "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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| 
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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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| 
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| !0 = !DIGlobalVariableExpression(var: !1, expr: !DIExpression())
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| !1 = distinct !DIGlobalVariable(name: "foo", scope: !2, file: !3, line: 4, type: !11, isLocal: false, isDefinition: true)
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| !2 = distinct !DICompileUnit(language: DW_LANG_C99, file: !3, producer: "clang version 7.0.0 (trunk 332303) (llvm/trunk 332406)", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug, enums: !4, globals: !5)
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| !3 = !DIFile(filename: "test.c", directory: "/usr/local/google/home/sbc/dev/wasm/simple")
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| !4 = !{}
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| !5 = !{!0, !6}
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| !6 = !DIGlobalVariableExpression(var: !7, expr: !DIExpression())
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| !7 = distinct !DIGlobalVariable(name: "ptr2", scope: !2, file: !3, line: 5, type: !8, isLocal: false, isDefinition: true)
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| !8 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !9, size: 32)
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| !9 = !DISubroutineType(types: !10)
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| !10 = !{null}
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| !11 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !12, size: 32)
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| !12 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed)
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| !13 = !{i32 2, !"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 7.0.0 (trunk 332303) (llvm/trunk 332406)"}
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| !17 = distinct !DISubprogram(name: "f2", scope: !3, file: !3, line: 2, type: !9, isLocal: false, isDefinition: true, scopeLine: 2, flags: DIFlagPrototyped, isOptimized: false, unit: !2, retainedNodes: !4)
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| !18 = !DILocation(line: 2, column: 17, scope: !17)
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