1 ; RUN: opt -inline -S < %s | FileCheck %s 2 ; 3 ; A hand-edited version of inline-debug-info.ll to test inlining of a 4 ; function with multiple returns. 5 ; 6 ; Make sure the branch instructions created during inlining has a debug location, 7 ; so the range of the inlined function is correct. 8 ; CHECK: br label %_Z4testi.exit, !dbg ![[MD:[0-9]+]] 9 ; CHECK: br label %_Z4testi.exit, !dbg ![[MD]] 10 ; CHECK: br label %invoke.cont, !dbg ![[MD]] 11 ; The branch instruction has the source location of line 9 and its inlined location 12 ; has the source location of line 14. 13 ; CHECK: ![[INL:[0-9]+]] = distinct !DILocation(line: 14, scope: {{.*}}) 14 ; CHECK: ![[MD]] = !DILocation(line: 9, scope: {{.*}}, inlinedAt: ![[INL]]) 15 16 ; ModuleID = 'test.cpp' 17 target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64-S128" 18 target triple = "x86_64-apple-darwin12.0.0" 19 20 @_ZTIi = external constant i8* 21 @global_var = external global i32 22 23 ; copy of above function with multiple returns 24 define i32 @_Z4testi(i32 %k) !dbg !4 { 25 entry: 26 %retval = alloca i32, align 4 27 %k.addr = alloca i32, align 4 28 %k2 = alloca i32, align 4 29 store i32 %k, i32* %k.addr, align 4 30 call void @llvm.dbg.declare(metadata i32* %k.addr, metadata !13, metadata !DIExpression()), !dbg !14 31 call void @llvm.dbg.declare(metadata i32* %k2, metadata !15, metadata !DIExpression()), !dbg !16 32 %0 = load i32, i32* %k.addr, align 4, !dbg !16 33 %call = call i32 @_Z8test_exti(i32 %0), !dbg !16 34 store i32 %call, i32* %k2, align 4, !dbg !16 35 %1 = load i32, i32* %k2, align 4, !dbg !17 36 %cmp = icmp sgt i32 %1, 100, !dbg !17 37 br i1 %cmp, label %if.then, label %if.end, !dbg !17 38 39 if.then: ; preds = %entry 40 %2 = load i32, i32* %k2, align 4, !dbg !18 41 store i32 %2, i32* %retval, !dbg !18 42 br label %return, !dbg !18 43 44 if.end: ; preds = %entry 45 store i32 0, i32* %retval, !dbg !19 46 %3 = load i32, i32* %retval, !dbg !20 ; hand-edited 47 ret i32 %3, !dbg !20 ; hand-edited 48 49 return: ; preds = %if.end, %if.then 50 %4 = load i32, i32* %retval, !dbg !20 51 ret i32 %4, !dbg !20 52 } 53 54 55 ; Function Attrs: nounwind readnone 56 declare void @llvm.dbg.declare(metadata, metadata, metadata) #1 57 58 declare i32 @_Z8test_exti(i32) 59 60 define i32 @_Z5test2v() personality i8* bitcast (i32 (...)* @__gxx_personality_v0 to i8*) !dbg !10 { 61 entry: 62 %exn.slot = alloca i8* 63 %ehselector.slot = alloca i32 64 %e = alloca i32, align 4 65 %0 = load i32, i32* @global_var, align 4, !dbg !21 66 %call = invoke i32 @_Z4testi(i32 %0) 67 to label %invoke.cont unwind label %lpad, !dbg !21 68 69 invoke.cont: ; preds = %entry 70 br label %try.cont, !dbg !23 71 72 lpad: ; preds = %entry 73 %1 = landingpad { i8*, i32 } 74 catch i8* bitcast (i8** @_ZTIi to i8*), !dbg !21 75 %2 = extractvalue { i8*, i32 } %1, 0, !dbg !21 76 store i8* %2, i8** %exn.slot, !dbg !21 77 %3 = extractvalue { i8*, i32 } %1, 1, !dbg !21 78 store i32 %3, i32* %ehselector.slot, !dbg !21 79 br label %catch.dispatch, !dbg !21 80 81 catch.dispatch: ; preds = %lpad 82 %sel = load i32, i32* %ehselector.slot, !dbg !23 83 %4 = call i32 @llvm.eh.typeid.for(i8* bitcast (i8** @_ZTIi to i8*)) #2, !dbg !23 84 %matches = icmp eq i32 %sel, %4, !dbg !23 85 br i1 %matches, label %catch, label %eh.resume, !dbg !23 86 87 catch: ; preds = %catch.dispatch 88 call void @llvm.dbg.declare(metadata i32* %e, metadata !24, metadata !DIExpression()), !dbg !25 89 %exn = load i8*, i8** %exn.slot, !dbg !23 90 %5 = call i8* @__cxa_begin_catch(i8* %exn) #2, !dbg !23 91 %6 = bitcast i8* %5 to i32*, !dbg !23 92 %7 = load i32, i32* %6, align 4, !dbg !23 93 store i32 %7, i32* %e, align 4, !dbg !23 94 store i32 0, i32* @global_var, align 4, !dbg !26 95 call void @__cxa_end_catch() #2, !dbg !28 96 br label %try.cont, !dbg !28 97 98 try.cont: ; preds = %catch, %invoke.cont 99 store i32 1, i32* @global_var, align 4, !dbg !29 100 ret i32 0, !dbg !30 101 102 eh.resume: ; preds = %catch.dispatch 103 %exn1 = load i8*, i8** %exn.slot, !dbg !23 104 %sel2 = load i32, i32* %ehselector.slot, !dbg !23 105 %lpad.val = insertvalue { i8*, i32 } undef, i8* %exn1, 0, !dbg !23 106 %lpad.val3 = insertvalue { i8*, i32 } %lpad.val, i32 %sel2, 1, !dbg !23 107 resume { i8*, i32 } %lpad.val3, !dbg !23 108 } 109 110 declare i32 @__gxx_personality_v0(...) 111 112 ; Function Attrs: nounwind readnone 113 declare i32 @llvm.eh.typeid.for(i8*) #1 114 115 declare i8* @__cxa_begin_catch(i8*) 116 117 declare void @__cxa_end_catch() 118 119 attributes #1 = { nounwind readnone } 120 attributes #2 = { nounwind } 121 122 !llvm.dbg.cu = !{!0} 123 !llvm.module.flags = !{!31} 124 125 !0 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, producer: "clang version 3.3 ", isOptimized: false, emissionKind: FullDebug, file: !1, enums: !2, retainedTypes: !2, globals: !2, imports: !2) 126 !1 = !DIFile(filename: "<unknown>", directory: "") 127 !2 = !{} 128 !4 = distinct !DISubprogram(name: "test", linkageName: "_Z4testi", line: 4, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false, unit: !0, scopeLine: 4, file: !5, scope: !6, type: !7, variables: !2) 129 !5 = !DIFile(filename: "test.cpp", directory: "") 130 !6 = !DIFile(filename: "test.cpp", directory: "") 131 !7 = !DISubroutineType(types: !8) 132 !8 = !{!9, !9} 133 !9 = !DIBasicType(tag: DW_TAG_base_type, name: "int", size: 32, align: 32, encoding: DW_ATE_signed) 134 !10 = distinct !DISubprogram(name: "test2", linkageName: "_Z5test2v", line: 11, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false, unit: !0, scopeLine: 11, file: !5, scope: !6, type: !11, variables: !2) 135 !11 = !DISubroutineType(types: !12) 136 !12 = !{!9} 137 !13 = !DILocalVariable(name: "k", line: 4, arg: 1, scope: !4, file: !6, type: !9) 138 !14 = !DILocation(line: 4, scope: !4) 139 !15 = !DILocalVariable(name: "k2", line: 5, scope: !4, file: !6, type: !9) 140 !16 = !DILocation(line: 5, scope: !4) 141 !17 = !DILocation(line: 6, scope: !4) 142 !18 = !DILocation(line: 7, scope: !4) 143 !19 = !DILocation(line: 8, scope: !4) 144 !20 = !DILocation(line: 9, scope: !4) 145 !21 = !DILocation(line: 14, scope: !22) 146 !22 = distinct !DILexicalBlock(line: 13, column: 0, file: !5, scope: !10) 147 !23 = !DILocation(line: 15, scope: !22) 148 !24 = !DILocalVariable(name: "e", line: 16, scope: !10, file: !6, type: !9) 149 !25 = !DILocation(line: 16, scope: !10) 150 !26 = !DILocation(line: 17, scope: !27) 151 !27 = distinct !DILexicalBlock(line: 16, column: 0, file: !5, scope: !10) 152 !28 = !DILocation(line: 18, scope: !27) 153 !29 = !DILocation(line: 19, scope: !10) 154 !30 = !DILocation(line: 20, scope: !10) 155 !31 = !{i32 1, !"Debug Info Version", i32 3} 156
