72 lines
		
	
	
		
			2.6 KiB
		
	
	
	
		
			LLVM
		
	
	
	
			
		
		
	
	
			72 lines
		
	
	
		
			2.6 KiB
		
	
	
	
		
			LLVM
		
	
	
	
| ; RUN: llc -filetype=asm -asm-verbose=0 < %s | FileCheck %s
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| 
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| ; int main()
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| ; {
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| ;     int x = 0;
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| ;     if (x > 0)
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| ;         return x;
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| ;     x = -1; // <== this line should have correct debug location
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| ;     return -1;
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| ; }
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| 
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| ; CHECK: .loc 1 6 7
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| ; CHECK: mvn
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| 
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| target datalayout = "e-m:e-p:32:32-i64:64-v128:64:128-a:0:32-n32-S64"
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| target triple = "armv7--linux-gnueabihf"
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| 
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| ; Function Attrs: nounwind
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| define i32 @main() !dbg !4 {
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| entry:
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|   %retval = alloca i32, align 4
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|   %x = alloca i32, align 4
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|   store i32 0, i32* %retval
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|   call void @llvm.dbg.declare(metadata i32* %x, metadata !10, metadata !11), !dbg !12
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|   store i32 0, i32* %x, align 4, !dbg !12
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|   %0 = load i32, i32* %x, align 4, !dbg !13
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|   %cmp = icmp sgt i32 %0, 0, !dbg !15
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|   br i1 %cmp, label %if.then, label %if.end, !dbg !16
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| 
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| if.then:                                          ; preds = %entry
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|   %1 = load i32, i32* %x, align 4, !dbg !17
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|   store i32 %1, i32* %retval, !dbg !18
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|   br label %return, !dbg !18
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| 
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| if.end:                                           ; preds = %entry
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|   store i32 -1, i32* %x, align 4, !dbg !19
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|   store i32 -1, i32* %retval, !dbg !20
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|   br label %return, !dbg !20
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| 
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| return:                                           ; preds = %if.end, %if.then
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|   %2 = load i32, i32* %retval, !dbg !21
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|   ret i32 %2, !dbg !21
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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)
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| 
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| !llvm.dbg.cu = !{!0}
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| !llvm.module.flags = !{!8, !9}
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| 
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| !0 = distinct !DICompileUnit(language: DW_LANG_C99, file: !1, producer: "", isOptimized: false, emissionKind: FullDebug)
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| !1 = !DIFile(filename: "test.c", directory: "/home/user/clang/build")
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| !2 = !{}
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| !4 = distinct !DISubprogram(name: "main", scope: !1, file: !1, line: 1, type: !5, isLocal: false, isDefinition: true, scopeLine: 2, isOptimized: false, unit: !0, variables: !2)
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| !5 = !DISubroutineType(types: !6)
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| !6 = !{!7}
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| !7 = !DIBasicType(name: "int", size: 32, align: 32, encoding: DW_ATE_signed)
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| !8 = !{i32 2, !"Dwarf Version", i32 4}
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| !9 = !{i32 2, !"Debug Info Version", i32 3}
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| !10 = !DILocalVariable(name: "x", scope: !4, file: !1, line: 3, type: !7)
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| !11 = !DIExpression()
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| !12 = !DILocation(line: 3, column: 9, scope: !4)
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| !13 = !DILocation(line: 4, column: 9, scope: !14)
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| !14 = distinct !DILexicalBlock(scope: !4, file: !1, line: 4, column: 9)
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| !15 = !DILocation(line: 4, column: 11, scope: !14)
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| !16 = !DILocation(line: 4, column: 9, scope: !4)
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| !17 = !DILocation(line: 5, column: 13, scope: !14)
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| !18 = !DILocation(line: 5, column: 9, scope: !14)
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| !19 = !DILocation(line: 6, column: 7, scope: !4)
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| !20 = !DILocation(line: 7, column: 5, scope: !4)
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| !21 = !DILocation(line: 8, column: 1, scope: !4)
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