1 ; RUN: opt -inline -S < %s | FileCheck %s 2 3 ; Created from source 4 ; 5 ; 6 ; 1 // test.cpp 7 ; 2 extern int global_var; 8 ; 3 extern int test_ext(int k); 9 ; 4 int test (int k) { 10 ; 5 int k2 = test_ext(k); 11 ; 6 if (k2 > 100) 12 ; 7 return k2; 13 ; 8 return 0; 14 ; 9 } 15 ; 10 16 ; 11 int test2() { 17 ; 12 try 18 ; 13 { 19 ; 14 test(global_var); 20 ; 15 } 21 ; 16 catch (int e) { 22 ; 17 global_var = 0; 23 ; 18 } 24 ; 19 global_var = 1; 25 ; 20 return 0; 26 ; 21 } 27 28 ; CHECK: _Z4testi.exit: 29 ; Make sure the branch instruction created during inlining has a debug location, 30 ; so the range of the inlined function is correct. 31 ; CHECK: br label %invoke.cont, !dbg [[MD:![0-9]+]] 32 ; The branch instruction has the source location of line 9 and its inlined location 33 ; has the source location of line 14. 34 ; CHECK: [[INL:![0-9]*]] = distinct !DILocation(line: 14, scope: {{.*}}) 35 ; CHECK: [[MD]] = !DILocation(line: 9, scope: {{.*}}, inlinedAt: [[INL]]) 36 37 ; ModuleID = 'test.cpp' 38 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" 39 target triple = "x86_64-apple-darwin12.0.0" 40 41 @_ZTIi = external constant i8* 42 @global_var = external global i32 43 44 define i32 @_Z4testi(i32 %k) !dbg !4 { 45 entry: 46 %retval = alloca i32, align 4 47 %k.addr = alloca i32, align 4 48 %k2 = alloca i32, align 4 49 store i32 %k, i32* %k.addr, align 4 50 call void @llvm.dbg.declare(metadata i32* %k.addr, metadata !13, metadata !DIExpression()), !dbg !14 51 call void @llvm.dbg.declare(metadata i32* %k2, metadata !15, metadata !DIExpression()), !dbg !16 52 %0 = load i32, i32* %k.addr, align 4, !dbg !16 53 %call = call i32 @_Z8test_exti(i32 %0), !dbg !16 54 store i32 %call, i32* %k2, align 4, !dbg !16 55 %1 = load i32, i32* %k2, align 4, !dbg !17 56 %cmp = icmp sgt i32 %1, 100, !dbg !17 57 br i1 %cmp, label %if.then, label %if.end, !dbg !17 58 59 if.then: ; preds = %entry 60 %2 = load i32, i32* %k2, align 4, !dbg !18 61 store i32 %2, i32* %retval, !dbg !18 62 br label %return, !dbg !18 63 64 if.end: ; preds = %entry 65 store i32 0, i32* %retval, !dbg !19 66 br label %return, !dbg !19 67 68 return: ; preds = %if.end, %if.then 69 %3 = load i32, i32* %retval, !dbg !20 70 ret i32 %3, !dbg !20 71 } 72 73 ; Function Attrs: nounwind readnone 74 declare void @llvm.dbg.declare(metadata, metadata, metadata) #1 75 76 declare i32 @_Z8test_exti(i32) 77 78 define i32 @_Z5test2v() personality i8* bitcast (i32 (...)* @__gxx_personality_v0 to i8*) !dbg !10 { 79 entry: 80 %exn.slot = alloca i8* 81 %ehselector.slot = alloca i32 82 %e = alloca i32, align 4 83 %0 = load i32, i32* @global_var, align 4, !dbg !21 84 %call = invoke i32 @_Z4testi(i32 %0) 85 to label %invoke.cont unwind label %lpad, !dbg !21 86 87 invoke.cont: ; preds = %entry 88 br label %try.cont, !dbg !23 89 90 lpad: ; preds = %entry 91 %1 = landingpad { i8*, i32 } 92 catch i8* bitcast (i8** @_ZTIi to i8*), !dbg !21 93 %2 = extractvalue { i8*, i32 } %1, 0, !dbg !21 94 store i8* %2, i8** %exn.slot, !dbg !21 95 %3 = extractvalue { i8*, i32 } %1, 1, !dbg !21 96 store i32 %3, i32* %ehselector.slot, !dbg !21 97 br label %catch.dispatch, !dbg !21 98 99 catch.dispatch: ; preds = %lpad 100 %sel = load i32, i32* %ehselector.slot, !dbg !23 101 %4 = call i32 @llvm.eh.typeid.for(i8* bitcast (i8** @_ZTIi to i8*)) #2, !dbg !23 102 %matches = icmp eq i32 %sel, %4, !dbg !23 103 br i1 %matches, label %catch, label %eh.resume, !dbg !23 104 105 catch: ; preds = %catch.dispatch 106 call void @llvm.dbg.declare(metadata i32* %e, metadata !24, metadata !DIExpression()), !dbg !25 107 %exn = load i8*, i8** %exn.slot, !dbg !23 108 %5 = call i8* @__cxa_begin_catch(i8* %exn) #2, !dbg !23 109 %6 = bitcast i8* %5 to i32*, !dbg !23 110 %7 = load i32, i32* %6, align 4, !dbg !23 111 store i32 %7, i32* %e, align 4, !dbg !23 112 store i32 0, i32* @global_var, align 4, !dbg !26 113 call void @__cxa_end_catch() #2, !dbg !28 114 br label %try.cont, !dbg !28 115 116 try.cont: ; preds = %catch, %invoke.cont 117 store i32 1, i32* @global_var, align 4, !dbg !29 118 ret i32 0, !dbg !30 119 120 eh.resume: ; preds = %catch.dispatch 121 %exn1 = load i8*, i8** %exn.slot, !dbg !23 122 %sel2 = load i32, i32* %ehselector.slot, !dbg !23 123 %lpad.val = insertvalue { i8*, i32 } undef, i8* %exn1, 0, !dbg !23 124 %lpad.val3 = insertvalue { i8*, i32 } %lpad.val, i32 %sel2, 1, !dbg !23 125 resume { i8*, i32 } %lpad.val3, !dbg !23 126 } 127 128 declare i32 @__gxx_personality_v0(...) 129 130 ; Function Attrs: nounwind readnone 131 declare i32 @llvm.eh.typeid.for(i8*) #1 132 133 declare i8* @__cxa_begin_catch(i8*) 134 135 declare void @__cxa_end_catch() 136 137 attributes #1 = { nounwind readnone } 138 attributes #2 = { nounwind } 139 140 !llvm.dbg.cu = !{!0} 141 !llvm.module.flags = !{!31} 142 143 !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) 144 !1 = !DIFile(filename: "<unknown>", directory: "") 145 !2 = !{} 146 !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) 147 !5 = !DIFile(filename: "test.cpp", directory: "") 148 !6 = !DIFile(filename: "test.cpp", directory: "") 149 !7 = !DISubroutineType(types: !8) 150 !8 = !{!9, !9} 151 !9 = !DIBasicType(tag: DW_TAG_base_type, name: "int", size: 32, align: 32, encoding: DW_ATE_signed) 152 !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) 153 !11 = !DISubroutineType(types: !12) 154 !12 = !{!9} 155 !13 = !DILocalVariable(name: "k", line: 4, arg: 1, scope: !4, file: !6, type: !9) 156 !14 = !DILocation(line: 4, scope: !4) 157 !15 = !DILocalVariable(name: "k2", line: 5, scope: !4, file: !6, type: !9) 158 !16 = !DILocation(line: 5, scope: !4) 159 !17 = !DILocation(line: 6, scope: !4) 160 !18 = !DILocation(line: 7, scope: !4) 161 !19 = !DILocation(line: 8, scope: !4) 162 !20 = !DILocation(line: 9, scope: !4) 163 !21 = !DILocation(line: 14, scope: !22) 164 !22 = distinct !DILexicalBlock(line: 13, column: 0, file: !5, scope: !10) 165 !23 = !DILocation(line: 15, scope: !22) 166 !24 = !DILocalVariable(name: "e", line: 16, scope: !10, file: !6, type: !9) 167 !25 = !DILocation(line: 16, scope: !10) 168 !26 = !DILocation(line: 17, scope: !27) 169 !27 = distinct !DILexicalBlock(line: 16, column: 0, file: !5, scope: !10) 170 !28 = !DILocation(line: 18, scope: !27) 171 !29 = !DILocation(line: 19, scope: !10) 172 !30 = !DILocation(line: 20, scope: !10) 173 !31 = !{i32 1, !"Debug Info Version", i32 3} 174