forked from OSchip/llvm-project
				
			
		
			
				
	
	
		
			56 lines
		
	
	
		
			2.6 KiB
		
	
	
	
		
			LLVM
		
	
	
	
			
		
		
	
	
			56 lines
		
	
	
		
			2.6 KiB
		
	
	
	
		
			LLVM
		
	
	
	
| ; RUN: opt -simplifycfg -S < %s | FileCheck %s
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| 
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| define i32 @foo(i32 %i) nounwind ssp !dbg !0 {
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|   call void @llvm.dbg.value(metadata i32 %i, i64 0, metadata !6, metadata !DIExpression()), !dbg !7
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|   call void @llvm.dbg.value(metadata i32 0, i64 0, metadata !9, metadata !DIExpression()), !dbg !11
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|   %1 = icmp ne i32 %i, 0, !dbg !12
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| ;CHECK: call i32 (...) @bar()
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| ;CHECK-NEXT: llvm.dbg.value
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|   br i1 %1, label %2, label %4, !dbg !12
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| 
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| ; <label>:2                                       ; preds = %0
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|   %3 = call i32 (...) @bar(), !dbg !13
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|   call void @llvm.dbg.value(metadata i32 %3, i64 0, metadata !9, metadata !DIExpression()), !dbg !13
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|   br label %6, !dbg !15
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| 
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| ; <label>:4                                       ; preds = %0
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|   %5 = call i32 (...) @bar(), !dbg !16
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|   call void @llvm.dbg.value(metadata i32 %5, i64 0, metadata !9, metadata !DIExpression()), !dbg !16
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|   br label %6, !dbg !18
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| 
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| ; <label>:6                                       ; preds = %4, %2
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|   %k.0 = phi i32 [ %3, %2 ], [ %5, %4 ]
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|   ret i32 %k.0, !dbg !19
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| }
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| 
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| declare void @llvm.dbg.declare(metadata, metadata, metadata) nounwind readnone
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| 
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| declare i32 @bar(...)
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| 
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| declare void @llvm.dbg.value(metadata, i64, metadata, metadata) nounwind readnone
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| 
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| !llvm.module.flags = !{!21}
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| !llvm.dbg.cu = !{!2}
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| 
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| !0 = distinct !DISubprogram(name: "foo", line: 2, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false, unit: !2, file: !20, scope: !1, type: !3)
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| !1 = !DIFile(filename: "b.c", directory: "/private/tmp")
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| !2 = distinct !DICompileUnit(language: DW_LANG_C99, producer: "clang", isOptimized: true, emissionKind: FullDebug, file: !20)
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| !3 = !DISubroutineType(types: !4)
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| !4 = !{!5}
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| !5 = !DIBasicType(tag: DW_TAG_base_type, name: "int", size: 32, align: 32, encoding: DW_ATE_signed)
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| !6 = !DILocalVariable(name: "i", line: 2, arg: 1, scope: !0, file: !1, type: !5)
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| !7 = !DILocation(line: 2, column: 13, scope: !0)
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| !9 = !DILocalVariable(name: "k", line: 3, scope: !10, file: !1, type: !5)
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| !10 = distinct !DILexicalBlock(line: 2, column: 16, file: !20, scope: !0)
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| !11 = !DILocation(line: 3, column: 12, scope: !10)
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| !12 = !DILocation(line: 4, column: 3, scope: !10)
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| !13 = !DILocation(line: 5, column: 5, scope: !14)
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| !14 = distinct !DILexicalBlock(line: 4, column: 10, file: !20, scope: !10)
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| !15 = !DILocation(line: 6, column: 3, scope: !14)
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| !16 = !DILocation(line: 7, column: 5, scope: !17)
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| !17 = distinct !DILexicalBlock(line: 6, column: 10, file: !20, scope: !10)
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| !18 = !DILocation(line: 8, column: 3, scope: !17)
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| !19 = !DILocation(line: 9, column: 3, scope: !10)
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| !20 = !DIFile(filename: "b.c", directory: "/private/tmp")
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| !21 = !{i32 1, !"Debug Info Version", i32 3}
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