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