| ; Tests that debug information is sane after coro-split |
| ; RUN: opt < %s -coro-split -S | FileCheck %s |
| ; RUN: opt < %s -passes=coro-split -S | FileCheck %s |
| |
| source_filename = "simple-repro.c" |
| target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128" |
| target triple = "x86_64-unknown-linux-gnu" |
| |
| ; Function Attrs: noinline nounwind |
| define i8* @f(i32 %x) #0 !dbg !6 { |
| entry: |
| %x.addr = alloca i32, align 4 |
| %coro_hdl = alloca i8*, align 8 |
| store i32 %x, i32* %x.addr, align 4 |
| %0 = call token @llvm.coro.id(i32 0, i8* null, i8* bitcast (i8* (i32)* @f to i8*), i8* null), !dbg !16 |
| %1 = call i64 @llvm.coro.size.i64(), !dbg !16 |
| %call = call i8* @malloc(i64 %1), !dbg !16 |
| %2 = call i8* @llvm.coro.begin(token %0, i8* %call) #7, !dbg !16 |
| store i8* %2, i8** %coro_hdl, align 8, !dbg !16 |
| %3 = call i8 @llvm.coro.suspend(token none, i1 false), !dbg !17 |
| %conv = sext i8 %3 to i32, !dbg !17 |
| call void @coro.devirt.trigger(i8* null) |
| switch i32 %conv, label %sw.default [ |
| i32 0, label %sw.bb |
| i32 1, label %sw.bb1 |
| ], !dbg !17 |
| |
| sw.bb: ; preds = %entry |
| call void @llvm.dbg.declare(metadata i32* %x.addr, metadata !12, metadata !13), !dbg !14 |
| call void @llvm.dbg.declare(metadata i8** %coro_hdl, metadata !15, metadata !13), !dbg !16 |
| br label %sw.epilog, !dbg !18 |
| |
| sw.bb1: ; preds = %entry |
| br label %coro_Cleanup, !dbg !18 |
| |
| sw.default: ; preds = %entry |
| br label %coro_Suspend, !dbg !18 |
| |
| sw.epilog: ; preds = %sw.bb |
| %4 = load i32, i32* %x.addr, align 4, !dbg !20 |
| %add = add nsw i32 %4, 1, !dbg !21 |
| store i32 %add, i32* %x.addr, align 4, !dbg !22 |
| br label %coro_Cleanup, !dbg !23 |
| |
| coro_Cleanup: ; preds = %sw.epilog, %sw.bb1 |
| %5 = load i8*, i8** %coro_hdl, align 8, !dbg !24 |
| %6 = call i8* @llvm.coro.free(token %0, i8* %5), !dbg !24 |
| call void @free(i8* %6), !dbg !24 |
| br label %coro_Suspend, !dbg !24 |
| |
| coro_Suspend: ; preds = %coro_Cleanup, %sw.default |
| %7 = call i1 @llvm.coro.end(i8* null, i1 false) #7, !dbg !24 |
| %8 = load i8*, i8** %coro_hdl, align 8, !dbg !24 |
| ret i8* %8, !dbg !24 |
| } |
| |
| ; Function Attrs: nounwind readnone speculatable |
| declare void @llvm.dbg.declare(metadata, metadata, metadata) #1 |
| |
| ; Function Attrs: argmemonly nounwind readonly |
| declare token @llvm.coro.id(i32, i8* readnone, i8* nocapture readonly, i8*) #2 |
| |
| declare i8* @malloc(i64) #3 |
| |
| ; Function Attrs: nounwind readnone |
| declare i64 @llvm.coro.size.i64() #4 |
| |
| ; Function Attrs: nounwind |
| declare i8* @llvm.coro.begin(token, i8* writeonly) #5 |
| |
| ; Function Attrs: nounwind |
| declare i8 @llvm.coro.suspend(token, i1) #5 |
| |
| declare void @free(i8*) #3 |
| |
| ; Function Attrs: argmemonly nounwind readonly |
| declare i8* @llvm.coro.free(token, i8* nocapture readonly) #2 |
| |
| ; Function Attrs: nounwind |
| declare i1 @llvm.coro.end(i8*, i1) #5 |
| |
| ; Function Attrs: alwaysinline |
| define private void @coro.devirt.trigger(i8*) #6 { |
| entry: |
| ret void |
| } |
| |
| ; Function Attrs: argmemonly nounwind readonly |
| declare i8* @llvm.coro.subfn.addr(i8* nocapture readonly, i8) #2 |
| |
| attributes #0 = { noinline nounwind "coroutine.presplit"="1" "correctly-rounded-divide-sqrt-fp-math"="false" "disable-tail-calls"="false" "less-precise-fpmad"="false" "frame-pointer"="none" "no-infs-fp-math"="false" "no-jump-tables"="false" "no-nans-fp-math"="false" "no-signed-zeros-fp-math"="false" "no-trapping-math"="false" "stack-protector-buffer-size"="8" "target-features"="+mmx,+sse,+sse2,+x87" "unsafe-fp-math"="false" "use-soft-float"="false" } |
| attributes #1 = { nounwind readnone speculatable } |
| attributes #2 = { argmemonly nounwind readonly } |
| attributes #3 = { "correctly-rounded-divide-sqrt-fp-math"="false" "disable-tail-calls"="false" "less-precise-fpmad"="false" "frame-pointer"="none" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "no-signed-zeros-fp-math"="false" "no-trapping-math"="false" "stack-protector-buffer-size"="8" "target-features"="+mmx,+sse,+sse2,+x87" "unsafe-fp-math"="false" "use-soft-float"="false" } |
| attributes #4 = { nounwind readnone } |
| attributes #5 = { nounwind } |
| attributes #6 = { alwaysinline } |
| attributes #7 = { noduplicate } |
| |
| !llvm.dbg.cu = !{!0} |
| !llvm.module.flags = !{!3, !4} |
| !llvm.ident = !{!5} |
| |
| !0 = distinct !DICompileUnit(language: DW_LANG_C99, file: !1, producer: "clang version 5.0.0", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug, enums: !2) |
| !1 = !DIFile(filename: "<stdin>", directory: "C:\5CGitHub\5Cllvm\5Cbuild\5CDebug\5Cbin") |
| !2 = !{} |
| !3 = !{i32 2, !"Dwarf Version", i32 4} |
| !4 = !{i32 2, !"Debug Info Version", i32 3} |
| !5 = !{!"clang version 5.0.0"} |
| !6 = distinct !DISubprogram(name: "f", linkageName: "flink", scope: !7, file: !7, line: 55, type: !8, isLocal: false, isDefinition: true, scopeLine: 55, flags: DIFlagPrototyped, isOptimized: false, unit: !0, retainedNodes: !2) |
| !7 = !DIFile(filename: "simple-repro.c", directory: "C:\5CGitHub\5Cllvm\5Cbuild\5CDebug\5Cbin") |
| !8 = !DISubroutineType(types: !9) |
| !9 = !{!10, !11} |
| !10 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: null, size: 64) |
| !11 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed) |
| !12 = !DILocalVariable(name: "x", arg: 1, scope: !6, file: !7, line: 55, type: !11) |
| !13 = !DIExpression() |
| !14 = !DILocation(line: 55, column: 13, scope: !6) |
| !15 = !DILocalVariable(name: "coro_hdl", scope: !6, file: !7, line: 56, type: !10) |
| !16 = !DILocation(line: 56, column: 3, scope: !6) |
| !17 = !DILocation(line: 58, column: 5, scope: !6) |
| !18 = !DILocation(line: 58, column: 5, scope: !19) |
| !19 = distinct !DILexicalBlock(scope: !6, file: !7, line: 58, column: 5) |
| !20 = !DILocation(line: 59, column: 9, scope: !6) |
| !21 = !DILocation(line: 59, column: 10, scope: !6) |
| !22 = !DILocation(line: 59, column: 7, scope: !6) |
| !23 = !DILocation(line: 59, column: 5, scope: !6) |
| !24 = !DILocation(line: 62, column: 3, scope: !6) |
| |
| ; CHECK: define i8* @f(i32 %x) #0 !dbg ![[ORIG:[0-9]+]] |
| ; CHECK: define internal fastcc void @f.resume(%f.Frame* noalias nonnull align 8 dereferenceable(32) %FramePtr) #0 !dbg ![[RESUME:[0-9]+]] |
| ; CHECK: entry.resume: |
| ; CHECK-NEXT: call void @coro.devirt.trigger(i8* null) |
| ; CHECK-NEXT: call void @llvm.dbg.declare(metadata i32* %x.addr.reload.addr, metadata ![[RESUME_VAR:[0-9]+]] |
| ; CHECK: define internal fastcc void @f.destroy(%f.Frame* noalias nonnull align 8 dereferenceable(32) %FramePtr) #0 !dbg ![[DESTROY:[0-9]+]] |
| ; CHECK: define internal fastcc void @f.cleanup(%f.Frame* noalias nonnull align 8 dereferenceable(32) %FramePtr) #0 !dbg ![[CLEANUP:[0-9]+]] |
| |
| ; CHECK: ![[ORIG]] = distinct !DISubprogram(name: "f", linkageName: "flink" |
| |
| ; CHECK: ![[RESUME]] = distinct !DISubprogram(name: "f", linkageName: "flink" |
| ; CHECK: ![[RESUME_VAR]] = !DILocalVariable(name: "x", arg: 1, scope: ![[RESUME]] |
| |
| ; CHECK: ![[DESTROY]] = distinct !DISubprogram(name: "f", linkageName: "flink" |
| |
| ; CHECK: ![[CLEANUP]] = distinct !DISubprogram(name: "f", linkageName: "flink" |
