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]+]] = metadata !{i32 14, i32 0, metadata {{.*}}, null} 35 ; CHECK: ![[MD]] = metadata !{i32 9, i32 0, metadata {{.*}}, metadata ![[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) { 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), !dbg !14 51 call void @llvm.dbg.declare(metadata !{i32* %k2}, metadata !15), !dbg !16 52 %0 = load 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* %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* %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* %retval, !dbg !20 70 ret i32 %3, !dbg !20 71 } 72 73 ; Function Attrs: nounwind readnone 74 declare void @llvm.dbg.declare(metadata, metadata) #1 75 76 declare i32 @_Z8test_exti(i32) 77 78 define i32 @_Z5test2v() { 79 entry: 80 %exn.slot = alloca i8* 81 %ehselector.slot = alloca i32 82 %e = alloca i32, align 4 83 %0 = load 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 } personality i8* bitcast (i32 (...)* @__gxx_personality_v0 to i8*) 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* %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), !dbg !25 107 %exn = load 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* %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** %exn.slot, !dbg !23 122 %sel2 = load 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 = 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] 144 !1 = metadata !{metadata !"<unknown>", metadata !""} 145 !2 = metadata !{i32 0} 146 !3 = metadata !{metadata !4, metadata !10} 147 !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] 148 !5 = metadata !{metadata !"test.cpp", metadata !""} 149 !6 = metadata !{i32 786473, metadata !5} ; [ DW_TAG_file_type ] [test.cpp] 150 !7 = metadata !{i32 786453, i32 0, null, metadata !"", i32 0, i64 0, i64 0, i64 0, i32 0, null, metadata !8, i32 0, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ] 151 !8 = metadata !{metadata !9, metadata !9} 152 !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] 153 !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] 154 !11 = metadata !{i32 786453, i32 0, null, metadata !"", i32 0, i64 0, i64 0, i64 0, i32 0, null, metadata !12, i32 0, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ] 155 !12 = metadata !{metadata !9} 156 !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] 157 !14 = metadata !{i32 4, i32 0, metadata !4, null} 158 !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] 159 !16 = metadata !{i32 5, i32 0, metadata !4, null} 160 !17 = metadata !{i32 6, i32 0, metadata !4, null} 161 !18 = metadata !{i32 7, i32 0, metadata !4, null} 162 !19 = metadata !{i32 8, i32 0, metadata !4, null} 163 !20 = metadata !{i32 9, i32 0, metadata !4, null} 164 !21 = metadata !{i32 14, i32 0, metadata !22, null} 165 !22 = metadata !{i32 786443, metadata !5, metadata !10, i32 13, i32 0, i32 0} ; [ DW_TAG_lexical_block ] [test.cpp] 166 !23 = metadata !{i32 15, i32 0, metadata !22, null} 167 !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] 168 !25 = metadata !{i32 16, i32 0, metadata !10, null} 169 !26 = metadata !{i32 17, i32 0, metadata !27, null} 170 !27 = metadata !{i32 786443, metadata !5, metadata !10, i32 16, i32 0, i32 1} ; [ DW_TAG_lexical_block ] [test.cpp] 171 !28 = metadata !{i32 18, i32 0, metadata !27, null} 172 !29 = metadata !{i32 19, i32 0, metadata !10, null} 173 !30 = metadata !{i32 20, i32 0, metadata !10, null} 174 !31 = metadata !{i32 1, metadata !"Debug Info Version", i32 1} 175