| ; Make sure that coro-split correctly deals with debug information. |
| ; The test here is simply that it does not result in bad IR that will crash opt. |
| ; RUN: opt < %s -passes='cgscc(coro-split),simplifycfg,early-cse' -disable-output |
| source_filename = "coro.c" |
| target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128" |
| target triple = "x86_64-unknown-linux-gnu" |
| |
| ; Function Attrs: nounwind readnone |
| declare void @llvm.dbg.declare(metadata, metadata, metadata) #1 |
| |
| declare void @bar(...) local_unnamed_addr #2 |
| |
| ; Function Attrs: nounwind uwtable |
| define ptr @f() #3 !dbg !16 { |
| entry: |
| %0 = tail call token @llvm.coro.id(i32 0, ptr null, ptr @f, ptr null), !dbg !26 |
| %1 = tail call i64 @llvm.coro.size.i64(), !dbg !26 |
| %call = tail call ptr @malloc(i64 %1), !dbg !26 |
| %2 = tail call ptr @llvm.coro.begin(token %0, ptr %call) #9, !dbg !26 |
| tail call void @llvm.dbg.value(metadata ptr %2, metadata !21, metadata !12), !dbg !26 |
| br label %for.cond, !dbg !27 |
| |
| for.cond: ; preds = %for.cond, %entry |
| tail call void @llvm.dbg.value(metadata i32 undef, metadata !22, metadata !12), !dbg !28 |
| tail call void @llvm.dbg.value(metadata i32 undef, metadata !11, metadata !12) #7, !dbg !29 |
| tail call void (...) @bar() #7, !dbg !33 |
| %3 = tail call token @llvm.coro.save(ptr null), !dbg !34 |
| %4 = tail call i8 @llvm.coro.suspend(token %3, i1 false), !dbg !34 |
| %conv = sext i8 %4 to i32, !dbg !34 |
| switch i32 %conv, label %coro_Suspend [ |
| i32 0, label %for.cond |
| i32 1, label %coro_Cleanup |
| ], !dbg !34 |
| |
| coro_Cleanup: ; preds = %for.cond |
| %5 = tail call ptr @llvm.coro.free(token %0, ptr %2), !dbg !35 |
| tail call void @free(ptr nonnull %5), !dbg !36 |
| br label %coro_Suspend, !dbg !36 |
| |
| coro_Suspend: ; preds = %for.cond, %if.then, %coro_Cleanup |
| tail call i1 @llvm.coro.end(ptr null, i1 false, token none) #9, !dbg !38 |
| ret ptr %2, !dbg !39 |
| } |
| |
| ; Function Attrs: argmemonly nounwind |
| declare void @llvm.lifetime.start.p0(i64, ptr nocapture) #4 |
| |
| ; Function Attrs: argmemonly nounwind readonly |
| declare token @llvm.coro.id(i32, ptr readnone, ptr nocapture readonly, ptr) #5 |
| |
| ; Function Attrs: nounwind |
| declare noalias ptr @malloc(i64) local_unnamed_addr #6 |
| declare i64 @llvm.coro.size.i64() #1 |
| declare ptr @llvm.coro.begin(token, ptr writeonly) #7 |
| declare token @llvm.coro.save(ptr) #7 |
| declare i8 @llvm.coro.suspend(token, i1) #7 |
| declare void @llvm.lifetime.end.p0(i64, ptr nocapture) #4 |
| declare ptr @llvm.coro.free(token, ptr nocapture readonly) #5 |
| declare void @free(ptr nocapture) local_unnamed_addr #6 |
| declare i1 @llvm.coro.end(ptr, i1, token) #7 |
| declare ptr @llvm.coro.subfn.addr(ptr nocapture readonly, i8) #5 |
| |
| declare void @llvm.dbg.value(metadata, metadata, metadata) #1 |
| |
| attributes #0 = { nounwind uwtable "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-cpu"="x86-64" "target-features"="+fxsr,+mmx,+sse,+sse2,+x87" "unsafe-fp-math"="false" "use-soft-float"="false" } |
| attributes #1 = { nounwind readnone } |
| attributes #2 = { "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-cpu"="x86-64" "target-features"="+fxsr,+mmx,+sse,+sse2,+x87" "unsafe-fp-math"="false" "use-soft-float"="false" } |
| attributes #3 = { nounwind uwtable presplitcoroutine "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-cpu"="x86-64" "target-features"="+fxsr,+mmx,+sse,+sse2,+x87" "unsafe-fp-math"="false" "use-soft-float"="false" } |
| attributes #4 = { argmemonly nounwind } |
| attributes #5 = { argmemonly nounwind readonly } |
| attributes #6 = { nounwind "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-cpu"="x86-64" "target-features"="+fxsr,+mmx,+sse,+sse2,+x87" "unsafe-fp-math"="false" "use-soft-float"="false" } |
| attributes #7 = { nounwind } |
| attributes #8 = { alwaysinline nounwind } |
| attributes #9 = { 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 4.0.0", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, enums: !2) |
| !1 = !DIFile(filename: "coro.c", directory: "/home/gor/build/bin") |
| !2 = !{} |
| !3 = !{i32 2, !"Dwarf Version", i32 4} |
| !4 = !{i32 2, !"Debug Info Version", i32 3} |
| !5 = !{!"clang version 4.0.0"} |
| !6 = distinct !DISubprogram(name: "print", scope: !1, file: !1, line: 6, type: !7, isLocal: false, isDefinition: true, scopeLine: 6, flags: DIFlagPrototyped, isOptimized: true, unit: !0, retainedNodes: !10) |
| !7 = !DISubroutineType(types: !8) |
| !8 = !{null, !9} |
| !9 = !DIBasicType(name: "int", size: 32, align: 32, encoding: DW_ATE_signed) |
| !10 = !{!11} |
| !11 = !DILocalVariable(name: "v", arg: 1, scope: !6, file: !1, line: 6, type: !9) |
| !12 = !DIExpression() |
| !13 = !DILocation(line: 6, column: 16, scope: !6) |
| !14 = !DILocation(line: 6, column: 19, scope: !6) |
| !15 = !DILocation(line: 6, column: 25, scope: !6) |
| !16 = distinct !DISubprogram(name: "f", scope: !1, file: !1, line: 8, type: !17, isLocal: false, isDefinition: true, scopeLine: 8, isOptimized: true, unit: !0, retainedNodes: !20) |
| !17 = !DISubroutineType(types: !18) |
| !18 = !{!19} |
| !19 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: null, size: 64, align: 64) |
| !20 = !{!21, !22, !24} |
| !21 = !DILocalVariable(name: "coro_hdl", scope: !16, file: !1, line: 9, type: !19) |
| !22 = !DILocalVariable(name: "i", scope: !23, file: !1, line: 11, type: !9) |
| !23 = distinct !DILexicalBlock(scope: !16, file: !1, line: 11, column: 3) |
| !24 = !DILocalVariable(name: "coro_mem", scope: !25, file: !1, line: 16, type: !19) |
| !25 = distinct !DILexicalBlock(scope: !16, file: !1, line: 16, column: 3) |
| !26 = !DILocation(line: 9, column: 3, scope: !16) |
| !27 = !DILocation(line: 11, column: 8, scope: !23) |
| !28 = !DILocation(line: 11, column: 12, scope: !23) |
| !29 = !DILocation(line: 6, column: 16, scope: !6, inlinedAt: !30) |
| !30 = distinct !DILocation(line: 12, column: 5, scope: !31) |
| !31 = distinct !DILexicalBlock(scope: !32, file: !1, line: 11, column: 25) |
| !32 = distinct !DILexicalBlock(scope: !23, file: !1, line: 11, column: 3) |
| !33 = !DILocation(line: 6, column: 19, scope: !6, inlinedAt: !30) |
| !34 = !DILocation(line: 13, column: 5, scope: !31) |
| !35 = !DILocation(line: 16, column: 3, scope: !25) |
| !36 = !DILocation(line: 16, column: 3, scope: !37) |
| !37 = distinct !DILexicalBlock(scope: !25, file: !1, line: 16, column: 3) |
| !38 = !DILocation(line: 16, column: 3, scope: !16) |
| !39 = !DILocation(line: 17, column: 1, scope: !16) |
