| ; RUN: opt -inline -S < %s | FileCheck %s |
| ; |
| ; A hand-edited version of inline-debug-info.ll to test inlining of a |
| ; function with multiple returns. |
| ; |
| ; Make sure the branch instructions created during inlining has a debug location, |
| ; so the range of the inlined function is correct. |
| ; CHECK: br label %_Z4testi.exit, !dbg ![[MD:[0-9]+]] |
| ; CHECK: br label %_Z4testi.exit, !dbg ![[MD]] |
| ; CHECK: br label %invoke.cont, !dbg ![[MD]] |
| ; The branch instruction has the source location of line 9 and its inlined location |
| ; has the source location of line 14. |
| ; CHECK: ![[INL:[0-9]+]] = distinct !DILocation(line: 14, scope: {{.*}}) |
| ; CHECK: ![[MD]] = !DILocation(line: 9, scope: {{.*}}, inlinedAt: ![[INL]]) |
| |
| ; ModuleID = 'test.cpp' |
| 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" |
| target triple = "x86_64-apple-darwin12.0.0" |
| |
| @_ZTIi = external constant i8* |
| @global_var = external global i32 |
| |
| ; copy of above function with multiple returns |
| define i32 @_Z4testi(i32 %k) !dbg !4 { |
| entry: |
| %retval = alloca i32, align 4 |
| %k.addr = alloca i32, align 4 |
| %k2 = alloca i32, align 4 |
| store i32 %k, i32* %k.addr, align 4 |
| call void @llvm.dbg.declare(metadata i32* %k.addr, metadata !13, metadata !DIExpression()), !dbg !14 |
| call void @llvm.dbg.declare(metadata i32* %k2, metadata !15, metadata !DIExpression()), !dbg !16 |
| %0 = load i32, i32* %k.addr, align 4, !dbg !16 |
| %call = call i32 @_Z8test_exti(i32 %0), !dbg !16 |
| store i32 %call, i32* %k2, align 4, !dbg !16 |
| %1 = load i32, i32* %k2, align 4, !dbg !17 |
| %cmp = icmp sgt i32 %1, 100, !dbg !17 |
| br i1 %cmp, label %if.then, label %if.end, !dbg !17 |
| |
| if.then: ; preds = %entry |
| %2 = load i32, i32* %k2, align 4, !dbg !18 |
| store i32 %2, i32* %retval, !dbg !18 |
| br label %return, !dbg !18 |
| |
| if.end: ; preds = %entry |
| store i32 0, i32* %retval, !dbg !19 |
| %3 = load i32, i32* %retval, !dbg !20 ; hand-edited |
| ret i32 %3, !dbg !20 ; hand-edited |
| |
| return: ; preds = %if.end, %if.then |
| %4 = load i32, i32* %retval, !dbg !20 |
| ret i32 %4, !dbg !20 |
| } |
| |
| |
| ; Function Attrs: nounwind readnone |
| declare void @llvm.dbg.declare(metadata, metadata, metadata) #1 |
| |
| declare i32 @_Z8test_exti(i32) |
| |
| define i32 @_Z5test2v() personality i8* bitcast (i32 (...)* @__gxx_personality_v0 to i8*) !dbg !10 { |
| entry: |
| %exn.slot = alloca i8* |
| %ehselector.slot = alloca i32 |
| %e = alloca i32, align 4 |
| %0 = load i32, i32* @global_var, align 4, !dbg !21 |
| %call = invoke i32 @_Z4testi(i32 %0) |
| to label %invoke.cont unwind label %lpad, !dbg !21 |
| |
| invoke.cont: ; preds = %entry |
| br label %try.cont, !dbg !23 |
| |
| lpad: ; preds = %entry |
| %1 = landingpad { i8*, i32 } |
| catch i8* bitcast (i8** @_ZTIi to i8*), !dbg !21 |
| %2 = extractvalue { i8*, i32 } %1, 0, !dbg !21 |
| store i8* %2, i8** %exn.slot, !dbg !21 |
| %3 = extractvalue { i8*, i32 } %1, 1, !dbg !21 |
| store i32 %3, i32* %ehselector.slot, !dbg !21 |
| br label %catch.dispatch, !dbg !21 |
| |
| catch.dispatch: ; preds = %lpad |
| %sel = load i32, i32* %ehselector.slot, !dbg !23 |
| %4 = call i32 @llvm.eh.typeid.for(i8* bitcast (i8** @_ZTIi to i8*)) #2, !dbg !23 |
| %matches = icmp eq i32 %sel, %4, !dbg !23 |
| br i1 %matches, label %catch, label %eh.resume, !dbg !23 |
| |
| catch: ; preds = %catch.dispatch |
| call void @llvm.dbg.declare(metadata i32* %e, metadata !24, metadata !DIExpression()), !dbg !25 |
| %exn = load i8*, i8** %exn.slot, !dbg !23 |
| %5 = call i8* @__cxa_begin_catch(i8* %exn) #2, !dbg !23 |
| %6 = bitcast i8* %5 to i32*, !dbg !23 |
| %7 = load i32, i32* %6, align 4, !dbg !23 |
| store i32 %7, i32* %e, align 4, !dbg !23 |
| store i32 0, i32* @global_var, align 4, !dbg !26 |
| call void @__cxa_end_catch() #2, !dbg !28 |
| br label %try.cont, !dbg !28 |
| |
| try.cont: ; preds = %catch, %invoke.cont |
| store i32 1, i32* @global_var, align 4, !dbg !29 |
| ret i32 0, !dbg !30 |
| |
| eh.resume: ; preds = %catch.dispatch |
| %exn1 = load i8*, i8** %exn.slot, !dbg !23 |
| %sel2 = load i32, i32* %ehselector.slot, !dbg !23 |
| %lpad.val = insertvalue { i8*, i32 } undef, i8* %exn1, 0, !dbg !23 |
| %lpad.val3 = insertvalue { i8*, i32 } %lpad.val, i32 %sel2, 1, !dbg !23 |
| resume { i8*, i32 } %lpad.val3, !dbg !23 |
| } |
| |
| declare i32 @__gxx_personality_v0(...) |
| |
| ; Function Attrs: nounwind readnone |
| declare i32 @llvm.eh.typeid.for(i8*) #1 |
| |
| declare i8* @__cxa_begin_catch(i8*) |
| |
| declare void @__cxa_end_catch() |
| |
| attributes #1 = { nounwind readnone } |
| attributes #2 = { nounwind } |
| |
| !llvm.dbg.cu = !{!0} |
| !llvm.module.flags = !{!31} |
| |
| !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) |
| !1 = !DIFile(filename: "<unknown>", directory: "") |
| !2 = !{} |
| !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, retainedNodes: !2) |
| !5 = !DIFile(filename: "test.cpp", directory: "") |
| !6 = !DIFile(filename: "test.cpp", directory: "") |
| !7 = !DISubroutineType(types: !8) |
| !8 = !{!9, !9} |
| !9 = !DIBasicType(tag: DW_TAG_base_type, name: "int", size: 32, align: 32, encoding: DW_ATE_signed) |
| !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, retainedNodes: !2) |
| !11 = !DISubroutineType(types: !12) |
| !12 = !{!9} |
| !13 = !DILocalVariable(name: "k", line: 4, arg: 1, scope: !4, file: !6, type: !9) |
| !14 = !DILocation(line: 4, scope: !4) |
| !15 = !DILocalVariable(name: "k2", line: 5, scope: !4, file: !6, type: !9) |
| !16 = !DILocation(line: 5, scope: !4) |
| !17 = !DILocation(line: 6, scope: !4) |
| !18 = !DILocation(line: 7, scope: !4) |
| !19 = !DILocation(line: 8, scope: !4) |
| !20 = !DILocation(line: 9, scope: !4) |
| !21 = !DILocation(line: 14, scope: !22) |
| !22 = distinct !DILexicalBlock(line: 13, column: 0, file: !5, scope: !10) |
| !23 = !DILocation(line: 15, scope: !22) |
| !24 = !DILocalVariable(name: "e", line: 16, scope: !10, file: !6, type: !9) |
| !25 = !DILocation(line: 16, scope: !10) |
| !26 = !DILocation(line: 17, scope: !27) |
| !27 = distinct !DILexicalBlock(line: 16, column: 0, file: !5, scope: !10) |
| !28 = !DILocation(line: 18, scope: !27) |
| !29 = !DILocation(line: 19, scope: !10) |
| !30 = !DILocation(line: 20, scope: !10) |
| !31 = !{i32 1, !"Debug Info Version", i32 3} |
