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]+]] = metadata !{i32 14, i32 0, metadata {{.*}}, null} 14 ; CHECK: ![[MD]] = metadata !{i32 9, i32 0, metadata {{.*}}, metadata ![[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) { 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), !dbg !14 31 call void @llvm.dbg.declare(metadata !{i32* %k2}, metadata !15), !dbg !16 32 %0 = load 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* %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* %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* %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* %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) #1 57 58 declare i32 @_Z8test_exti(i32) 59 60 define i32 @_Z5test2v() { 61 entry: 62 %exn.slot = alloca i8* 63 %ehselector.slot = alloca i32 64 %e = alloca i32, align 4 65 %0 = load 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 } personality i8* bitcast (i32 (...)* @__gxx_personality_v0 to i8*) 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* %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), !dbg !25 89 %exn = load 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* %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** %exn.slot, !dbg !23 104 %sel2 = load 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} 123 124 !0 = metadata !{i32 786449, metadata !1, i32 4, metadata !"clang version 3.3 ", i1 false, metadata !"", i32 0, metadata !2, metadata !2, metadata !3, metadata !2, metadata !2, metadata !""} ; [ DW_TAG_compile_unit ] [<unknown>] [DW_LANG_C_plus_plus] 125 !1 = metadata !{metadata !"<unknown>", metadata !""} 126 !2 = metadata !{i32 0} 127 !3 = metadata !{metadata !4, metadata !10} 128 !4 = metadata !{i32 786478, metadata !5, metadata !6, metadata !"test", metadata !"test", metadata !"_Z4testi", i32 4, metadata !7, i1 false, i1 true, i32 0, i32 0, null, i32 256, i1 false, i32 (i32)* @_Z4testi, null, null, metadata !2, i32 4} ; [ DW_TAG_subprogram ] [line 4] [def] [test] 129 !5 = metadata !{metadata !"test.cpp", metadata !""} 130 !6 = metadata !{i32 786473, metadata !5} ; [ DW_TAG_file_type ] [test.cpp] 131 !7 = metadata !{i32 786453, i32 0, i32 0, metadata !"", i32 0, i64 0, i64 0, i64 0, i32 0, null, metadata !8, i32 0, i32 0} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ] 132 !8 = metadata !{metadata !9, metadata !9} 133 !9 = metadata !{i32 786468, null, null, metadata !"int", i32 0, i64 32, i64 32, i64 0, i32 0, i32 5} ; [ DW_TAG_base_type ] [int] [line 0, size 32, align 32, offset 0, enc DW_ATE_signed] 134 !10 = metadata !{i32 786478, metadata !5, metadata !6, metadata !"test2", metadata !"test2", metadata !"_Z5test2v", i32 11, metadata !11, i1 false, i1 true, i32 0, i32 0, null, i32 256, i1 false, i32 ()* @_Z5test2v, null, null, metadata !2, i32 11} ; [ DW_TAG_subprogram ] [line 11] [def] [test2] 135 !11 = metadata !{i32 786453, i32 0, i32 0, metadata !"", i32 0, i64 0, i64 0, i64 0, i32 0, null, metadata !12, i32 0, i32 0} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ] 136 !12 = metadata !{metadata !9} 137 !13 = metadata !{i32 786689, metadata !4, metadata !"k", metadata !6, i32 16777220, metadata !9, i32 0, i32 0} ; [ DW_TAG_arg_variable ] [k] [line 4] 138 !14 = metadata !{i32 4, i32 0, metadata !4, null} 139 !15 = metadata !{i32 786688, metadata !4, metadata !"k2", metadata !6, i32 5, metadata !9, i32 0, i32 0} ; [ DW_TAG_auto_variable ] [k2] [line 5] 140 !16 = metadata !{i32 5, i32 0, metadata !4, null} 141 !17 = metadata !{i32 6, i32 0, metadata !4, null} 142 !18 = metadata !{i32 7, i32 0, metadata !4, null} 143 !19 = metadata !{i32 8, i32 0, metadata !4, null} 144 !20 = metadata !{i32 9, i32 0, metadata !4, null} 145 !21 = metadata !{i32 14, i32 0, metadata !22, null} 146 !22 = metadata !{i32 786443, metadata !5, metadata !10, i32 13, i32 0, i32 0} ; [ DW_TAG_lexical_block ] [test.cpp] 147 !23 = metadata !{i32 15, i32 0, metadata !22, null} 148 !24 = metadata !{i32 786688, metadata !10, metadata !"e", metadata !6, i32 16, metadata !9, i32 0, i32 0} ; [ DW_TAG_auto_variable ] [e] [line 16] 149 !25 = metadata !{i32 16, i32 0, metadata !10, null} 150 !26 = metadata !{i32 17, i32 0, metadata !27, null} 151 !27 = metadata !{i32 786443, metadata !5, metadata !10, i32 16, i32 0, i32 1} ; [ DW_TAG_lexical_block ] [test.cpp] 152 !28 = metadata !{i32 18, i32 0, metadata !27, null} 153 !29 = metadata !{i32 19, i32 0, metadata !10, null} 154 !30 = metadata !{i32 20, i32 0, metadata !10, null} 155
