Index: llvm/lib/CodeGen/AsmPrinter/CodeViewDebug.h =================================================================== --- llvm/lib/CodeGen/AsmPrinter/CodeViewDebug.h +++ llvm/lib/CodeGen/AsmPrinter/CodeViewDebug.h @@ -191,6 +191,8 @@ bool HasStackRealignment = false; bool HaveLineInfo = false; + + bool HasFramePointer = false; }; FunctionInfo *CurFn = nullptr; Index: llvm/lib/CodeGen/AsmPrinter/CodeViewDebug.cpp =================================================================== --- llvm/lib/CodeGen/AsmPrinter/CodeViewDebug.cpp +++ llvm/lib/CodeGen/AsmPrinter/CodeViewDebug.cpp @@ -1160,7 +1160,14 @@ OS.AddComment("Function section index"); OS.emitCOFFSectionIndex(Fn); OS.AddComment("Flags"); - OS.emitInt8(0); + ProcSymFlags ProcFlags = ProcSymFlags::HasOptimizedDebugInfo; + if (FI.HasFramePointer) + ProcFlags |= ProcSymFlags::HasFP; + if (GV->hasFnAttribute(Attribute::NoReturn)) + ProcFlags |= ProcSymFlags::IsNoReturn; + if (GV->hasFnAttribute(Attribute::NoInline)) + ProcFlags |= ProcSymFlags::IsNoInline; + OS.emitInt8(static_cast(ProcFlags)); // Emit the function display name as a null-terminated string. OS.AddComment("Function name"); // Truncate the name so we won't overflow the record length field. @@ -1478,6 +1485,7 @@ CurFn->EncodedLocalFramePtrReg = EncodedFramePtrReg::StackPtr; CurFn->EncodedParamFramePtrReg = EncodedFramePtrReg::StackPtr; } else { + CurFn->HasFramePointer = true; // If there is an FP, parameters are always relative to it. CurFn->EncodedParamFramePtrReg = EncodedFramePtrReg::FramePtr; if (CurFn->HasStackRealignment) { Index: llvm/test/DebugInfo/COFF/fpo-realign-alloca.ll =================================================================== --- llvm/test/DebugInfo/COFF/fpo-realign-alloca.ll +++ llvm/test/DebugInfo/COFF/fpo-realign-alloca.ll @@ -1,4 +1,5 @@ ; RUN: llc < %s | FileCheck %s +; RUN: llc -mtriple=i686-windows-msvc < %s -filetype=obj | llvm-readobj --codeview - | FileCheck %s --check-prefix=OBJ ; C source: ; void usethings(ptr, ptr p); @@ -33,6 +34,15 @@ ; CHECK: retl ; CHECK: .cv_fpo_endproc +; OBJ-LABEL: FunctionType: realign_and_alloca (0x1002) +; OBJ-NEXT: CodeOffset: _realign_and_alloca+0x0 +; OBJ-NEXT: Segment: 0x0 +; OBJ-NEXT: Flags [ (0x81) +; OBJ-NEXT: HasFP (0x1) +; OBJ-NEXT: HasOptimizedDebugInfo (0x80) +; OBJ-NEXT: ] +; OBJ-NEXT: DisplayName: realign_and_alloca +; OBJ-NEXT: LinkageName: _realign_and_alloca ; ModuleID = 't.c' source_filename = "t.c" Index: llvm/test/DebugInfo/COFF/fpo-realign-vframe.ll =================================================================== --- llvm/test/DebugInfo/COFF/fpo-realign-vframe.ll +++ llvm/test/DebugInfo/COFF/fpo-realign-vframe.ll @@ -95,6 +95,10 @@ ; OBJ: SubSectionType: Symbols (0xF1) ; OBJ: GlobalProcIdSym { ; OBJ: Kind: S_GPROC32_ID (0x1147) +; OBJ: Flags [ (0x81) +; OBJ: HasFP (0x1) +; OBJ: HasOptimizedDebugInfo (0x80) +; OBJ: ] ; OBJ: DisplayName: realign_with_csrs ; OBJ: LinkageName: _realign_with_csrs ; OBJ: } Index: llvm/test/DebugInfo/COFF/frameproc-flags.ll =================================================================== --- llvm/test/DebugInfo/COFF/frameproc-flags.ll +++ llvm/test/DebugInfo/COFF/frameproc-flags.ll @@ -63,22 +63,27 @@ ; } ; CHECK-LABEL: S_GPROC32_ID [size = 52] `use_alloca` +; CHECK: type = `0x1002 (use_alloca)`, debug start = 0, debug end = 0, flags = has fp | opt debuginfo ; CHECK: S_FRAMEPROC [size = 32] ; CHECK: local fp reg = VFRAME, param fp reg = EBP ; CHECK: flags = has alloca | secure checks | strict secure checks | opt speed ; CHECK-LABEL: S_GPROC32_ID [size = 52] `call_setjmp` +; CHECK: type = `0x1003 (call_setjmp)`, debug start = 0, debug end = 0, flags = opt debuginfo ; CHECK: S_FRAMEPROC [size = 32] ; CHECK: local fp reg = NONE, param fp reg = NONE ; CHECK: flags = has setjmp | opt speed ; CHECK-LABEL: S_GPROC32_ID [size = 56] `use_inlineasm` +; CHECK: type = `0x1006 (use_inlineasm)`, debug start = 0, debug end = 0, flags = opt debuginfo ; CHECK: S_FRAMEPROC [size = 32] ; CHECK: local fp reg = NONE, param fp reg = NONE ; CHECK: flags = has inline asm | safe buffers | opt speed ; CHECK-LABEL: S_GPROC32_ID [size = 48] `cpp_eh` +; CHECK: type = `0x1007 (cpp_eh)`, debug start = 0, debug end = 0, flags = has fp | opt debuginfo ; CHECK: S_FRAMEPROC [size = 32] ; CHECK: local fp reg = EBP, param fp reg = EBP ; CHECK: flags = has eh | opt speed ; CHECK-LABEL: S_GPROC32_ID [size = 52] `use_inline` +; CHECK: type = `0x100C (use_inline)`, debug start = 0, debug end = 0, flags = opt debuginfo ; CHECK: S_FRAMEPROC [size = 32] ; CHECK: local fp reg = NONE, param fp reg = NONE ; CHECK: flags = safe buffers | opt speed @@ -87,6 +92,7 @@ ; CHECK: local fp reg = NONE, param fp reg = NONE ; CHECK: flags = marked inline | safe buffers | opt speed ; CHECK-LABEL: S_GPROC32_ID [size = 44] `seh` +; CHECK: type = `0x100E (seh)`, debug start = 0, debug end = 0, flags = has fp | opt debuginfo ; CHECK: S_FRAMEPROC [size = 32] ; CHECK: local fp reg = EBP, param fp reg = EBP ; CHECK: flags = has seh | opt speed @@ -95,10 +101,12 @@ ; CHECK: local fp reg = EBP, param fp reg = EBP ; CHECK: flags = safe buffers | opt speed ; CHECK-LABEL: S_GPROC32_ID [size = 52] `use_naked` +; CHECK: type = `0x1010 (use_naked)`, debug start = 0, debug end = 0, flags = noinline | opt debuginfo ; CHECK: S_FRAMEPROC [size = 32] ; CHECK: local fp reg = NONE, param fp reg = NONE ; CHECK: flags = has inline asm | naked | safe buffers | opt speed ; CHECK-LABEL: S_GPROC32_ID [size = 52] `stack_guard` +; CHECK: type = `0x1011 (stack_guard)`, debug start = 0, debug end = 0, flags = opt debuginfo ; CHECK: S_FRAMEPROC [size = 32] ; CHECK: local fp reg = VFRAME, param fp reg = VFRAME ; CHECK: flags = secure checks | strict secure checks | opt speed Index: llvm/test/DebugInfo/COFF/function-options.ll =================================================================== --- llvm/test/DebugInfo/COFF/function-options.ll +++ llvm/test/DebugInfo/COFF/function-options.ll @@ -376,6 +376,97 @@ ; CHECK: } ; CHECK: ] +; CHECK-LABEL: FunctionType: Func_AClass (0x1008) +; CHECK-NEXT: CodeOffset: ?Func_AClass@@YA?AVAClass@@AEAV1@@Z+0x0 +; CHECK-NEXT: Segment: 0x0 +; CHECK-NEXT: Flags [ (0xC0) +; CHECK-NEXT: HasOptimizedDebugInfo (0x80) +; CHECK-NEXT: IsNoInline (0x40) +; CHECK-NEXT: ] +; CHECK-NEXT: DisplayName: Func_AClass +; CHECK-NEXT: LinkageName: ?Func_AClass@@YA?AVAClass@@AEAV1@@Z +; CHECK-LABEL: FunctionType: Func_BClass (0x1013) +; CHECK-NEXT: CodeOffset: ?Func_BClass@@YA?AVBClass@@AEAV1@@Z+0x0 +; CHECK-NEXT: Segment: 0x0 +; CHECK-NEXT: Flags [ (0xC0) +; CHECK-NEXT: HasOptimizedDebugInfo (0x80) +; CHECK-NEXT: IsNoInline (0x40) +; CHECK-NEXT: ] +; CHECK-NEXT: DisplayName: Func_BClass +; CHECK-NEXT: LinkageName: ?Func_BClass@@YA?AVBClass@@AEAV1@@Z +; CHECK-LABEL: FunctionType: Func_C1Class (0x101D) +; CHECK-NEXT: CodeOffset: ?Func_C1Class@@YA?AVC1Class@@AEAV1@@Z+0x0 +; CHECK-NEXT: Segment: 0x0 +; CHECK-NEXT: Flags [ (0xC0) +; CHECK-NEXT: HasOptimizedDebugInfo (0x80) +; CHECK-NEXT: IsNoInline (0x40) +; CHECK-NEXT: ] +; CHECK-NEXT: DisplayName: Func_C1Class +; CHECK-NEXT: LinkageName: ?Func_C1Class@@YA?AVC1Class@@AEAV1@@Z +; CHECK-LABEL: FunctionType: Func_C2Class (0x1027) +; CHECK-NEXT: CodeOffset: ?Func_C2Class@@YA?AVC2Class@@AEAV1@@Z+0x0 +; CHECK-NEXT: Segment: 0x0 +; CHECK-NEXT: Flags [ (0xC0) +; CHECK-NEXT: HasOptimizedDebugInfo (0x80) +; CHECK-NEXT: IsNoInline (0x40) +; CHECK-NEXT: ] +; CHECK-NEXT: DisplayName: Func_C2Class +; CHECK-NEXT: LinkageName: ?Func_C2Class@@YA?AVC2Class@@AEAV1@@Z +; CHECK-LABEL: FunctionType: Func_DClass (0x102F) +; CHECK-NEXT: CodeOffset: ?Func_DClass@@YA?AVDClass@@AEAV1@@Z+0x0 +; CHECK-NEXT: Segment: 0x0 +; CHECK-NEXT: Flags [ (0xC0) +; CHECK-NEXT: HasOptimizedDebugInfo (0x80) +; CHECK-NEXT: IsNoInline (0x40) +; CHECK-NEXT: ] +; CHECK-NEXT: DisplayName: Func_DClass +; CHECK-NEXT: LinkageName: ?Func_DClass@@YA?AVDClass@@AEAV1@@Z +; CHECK-LABEL: FunctionType: Func_FClass (0x103A) +; CHECK-NEXT: CodeOffset: ?Func_FClass@@YA?AVFClass@@AEAV1@@Z+0x0 +; CHECK-NEXT: Segment: 0x0 +; CHECK-NEXT: Flags [ (0xC0) +; CHECK-NEXT: HasOptimizedDebugInfo (0x80) +; CHECK-NEXT: IsNoInline (0x40) +; CHECK-NEXT: ] +; CHECK-NEXT: DisplayName: Func_FClass +; CHECK-NEXT: LinkageName: ?Func_FClass@@YA?AVFClass@@AEAV1@@Z +; CHECK-LABEL: FunctionType: Func_AStruct (0x1041) +; CHECK-NEXT: CodeOffset: ?Func_AStruct@@YA?AUAStruct@@AEAU1@@Z+0x0 +; CHECK-NEXT: Segment: 0x0 +; CHECK-NEXT: Flags [ (0xC0) +; CHECK-NEXT: HasOptimizedDebugInfo (0x80) +; CHECK-NEXT: IsNoInline (0x40) +; CHECK-NEXT: ] +; CHECK-NEXT: DisplayName: Func_AStruct +; CHECK-NEXT: LinkageName: ?Func_AStruct@@YA?AUAStruct@@AEAU1@@Z +; CHECK-LABEL: FunctionType: Func_BStruct (0x104B) +; CHECK-NEXT: CodeOffset: ?Func_BStruct@@YA?AUBStruct@@AEAU1@@Z+0x0 +; CHECK-NEXT: Segment: 0x0 +; CHECK-NEXT: Flags [ (0xC0) +; CHECK-NEXT: HasOptimizedDebugInfo (0x80) +; CHECK-NEXT: IsNoInline (0x40) +; CHECK-NEXT: ] +; CHECK-NEXT: DisplayName: Func_BStruct +; CHECK-NEXT: LinkageName: ?Func_BStruct@@YA?AUBStruct@@AEAU1@@Z +; CHECK-LABEL: FunctionType: Func_AUnion (0x1052) +; CHECK-NEXT: CodeOffset: ?Func_AUnion@@YA?ATAUnion@@AEAT1@@Z+0x0 +; CHECK-NEXT: Segment: 0x0 +; CHECK-NEXT: Flags [ (0xC0) +; CHECK-NEXT: HasOptimizedDebugInfo (0x80) +; CHECK-NEXT: IsNoInline (0x40) +; CHECK-NEXT: ] +; CHECK-NEXT: DisplayName: Func_AUnion +; CHECK-NEXT: LinkageName: ?Func_AUnion@@YA?ATAUnion@@AEAT1@@Z +; CHECK-LABEL: FunctionType: Func_BUnion (0x105C) +; CHECK-NEXT: CodeOffset: ?Func_BUnion@@YA?ATBUnion@@AEAT1@@Z+0x0 +; CHECK-NEXT: Segment: 0x0 +; CHECK-NEXT: Flags [ (0xC0) +; CHECK-NEXT: HasOptimizedDebugInfo (0x80) +; CHECK-NEXT: IsNoInline (0x40) +; CHECK-NEXT: ] +; CHECK-NEXT: DisplayName: Func_BUnion +; CHECK-NEXT: LinkageName: ?Func_BUnion@@YA?ATBUnion@@AEAT1@@Z + ; ModuleID = 't.cpp' source_filename = "t.cpp" target datalayout = "e-m:w-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128" Index: llvm/test/DebugInfo/COFF/inlining-header.ll =================================================================== --- llvm/test/DebugInfo/COFF/inlining-header.ll +++ llvm/test/DebugInfo/COFF/inlining-header.ll @@ -68,7 +68,8 @@ ; OBJ: FunctionType: main (0x1005) ; OBJ: CodeOffset: _main+0x0 ; OBJ: Segment: 0x0 -; OBJ: Flags [ (0x0) +; OBJ: Flags [ (0x80) +; OBJ: HasOptimizedDebugInfo (0x80) ; OBJ: ] ; OBJ: DisplayName: main ; OBJ: LinkageName: _main Index: llvm/test/DebugInfo/COFF/inlining.ll =================================================================== --- llvm/test/DebugInfo/COFF/inlining.ll +++ llvm/test/DebugInfo/COFF/inlining.ll @@ -160,7 +160,8 @@ ; OBJ: FunctionType: baz (0x1004) ; OBJ: CodeOffset: ?baz@@YAXXZ+0x0 ; OBJ: Segment: 0x0 -; OBJ: Flags [ (0x0) +; OBJ: Flags [ (0x80) +; OBJ: HasOptimizedDebugInfo (0x80) ; OBJ: ] ; OBJ: DisplayName: baz ; OBJ: LinkageName: ?baz@@YAXXZ Index: llvm/test/DebugInfo/COFF/long-name.ll =================================================================== --- llvm/test/DebugInfo/COFF/long-name.ll +++ llvm/test/DebugInfo/COFF/long-name.ll @@ -5,7 +5,8 @@ ; CHECK: FunctionType: {{A+}} (0x1002) ; CHECK: CodeOffset: f+0x0 ; CHECK: Segment: 0x0 -; CHECK: Flags [ (0x0) +; CHECK: Flags [ (0x80) +; CHECK: HasOptimizedDebugInfo (0x80) ; CHECK: ] ; CHECK: DisplayName: {{A+$}} ; CHECK: LinkageName: f Index: llvm/test/DebugInfo/COFF/multifunction.ll =================================================================== --- llvm/test/DebugInfo/COFF/multifunction.ll +++ llvm/test/DebugInfo/COFF/multifunction.ll @@ -78,7 +78,7 @@ ; X86-NEXT: .long 4098 ; X86-NEXT: .secrel32 _x ; X86-NEXT: .secidx _x -; X86-NEXT: .byte 0 +; X86-NEXT: .byte 128 ; X86-NEXT: .asciz "x" ; X86-NEXT: .p2align 2 ; X86-NEXT: [[PROC_SEGMENT_END]]: @@ -117,7 +117,7 @@ ; X86-NEXT: .long 4099 ; X86-NEXT: .secrel32 _y ; X86-NEXT: .secidx _y -; X86-NEXT: .byte 0 +; X86-NEXT: .byte 128 ; X86-NEXT: .asciz "y" ; X86-NEXT: .p2align 2 ; X86-NEXT: [[PROC_SEGMENT_END]]: @@ -156,7 +156,7 @@ ; X86-NEXT: .long 4100 ; X86-NEXT: .secrel32 _f ; X86-NEXT: .secidx _f -; X86-NEXT: .byte 0 +; X86-NEXT: .byte 128 ; X86-NEXT: .asciz "f" ; X86-NEXT: .p2align 2 ; X86-NEXT: [[PROC_SEGMENT_END]]: @@ -390,7 +390,7 @@ ; X64-NEXT: .long 4098 ; X64-NEXT: .secrel32 x ; X64-NEXT: .secidx x -; X64-NEXT: .byte 0 +; X64-NEXT: .byte 128 ; X64-NEXT: .asciz "x" ; X64-NEXT: .p2align 2 ; X64-NEXT: [[PROC_SEGMENT_END]]: @@ -428,7 +428,7 @@ ; X64-NEXT: .long 4099 ; X64-NEXT: .secrel32 y ; X64-NEXT: .secidx y -; X64-NEXT: .byte 0 +; X64-NEXT: .byte 128 ; X64-NEXT: .asciz "y" ; X64-NEXT: .p2align 2 ; X64-NEXT: [[PROC_SEGMENT_END]]: @@ -466,7 +466,7 @@ ; X64-NEXT: .long 4100 ; X64-NEXT: .secrel32 f ; X64-NEXT: .secidx f -; X64-NEXT: .byte 0 +; X64-NEXT: .byte 128 ; X64-NEXT: .asciz "f" ; X64-NEXT: .p2align 2 ; X64-NEXT: [[PROC_SEGMENT_END]]: Index: llvm/test/DebugInfo/COFF/noreturn.ll =================================================================== --- /dev/null +++ llvm/test/DebugInfo/COFF/noreturn.ll @@ -0,0 +1,144 @@ +; RUN: llc < %s -filetype=obj | llvm-readobj --codeview - | FileCheck %s + +; Generated by clang++ -S -c -std=c++11 -emit-llvm -g from the following C++11 source: +;class foo { +;public: +;[[noreturn]] void foo_member(){throw 1;} +;}; +; +;[[ noreturn ]] void f() { +; throw 1; +;} +; +;void func(){ +; foo object{}; +; object.foo_member(); +;} + +; CHECK-LABEL: FunctionType: f (0x1002) +; CHECK-NEXT: CodeOffset: ?f@@YAXXZ+0x0 +; CHECK-NEXT: Segment: 0x0 +; CHECK-NEXT: Flags [ (0xC8) +; CHECK-NEXT: HasOptimizedDebugInfo (0x80) +; CHECK-NEXT: IsNoInline (0x40) +; CHECK-NEXT: IsNoReturn (0x8) +; CHECK-NEXT: ] +; CHECK-NEXT: DisplayName: f +; CHECK-NEXT: LinkageName: ?f@@YAXXZ +; CHECK-LABEL: FunctionType: foo_member (0x100B) +; CHECK-NEXT: CodeOffset: ?foo_member@foo@@QEAAXXZ+0x0 +; CHECK-NEXT: Segment: 0x0 +; CHECK-NEXT: Flags [ (0xC8) +; CHECK-NEXT: HasOptimizedDebugInfo (0x80) +; CHECK-NEXT: IsNoInline (0x40) +; CHECK-NEXT: IsNoReturn (0x8) +; CHECK-NEXT: ] +; CHECK-NEXT: DisplayName: foo::foo_member +; CHECK-NEXT: LinkageName: ?foo_member@foo@@QEAAXXZ + + +; ModuleID = 'noreturn.cpp' +source_filename = "noreturn.cpp" +target datalayout = "e-m:w-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128" +target triple = "x86_64-pc-windows-msvc19.35.32216" + +%rtti.TypeDescriptor2 = type { ptr, ptr, [3 x i8] } +%eh.CatchableType = type { i32, i32, i32, i32, i32, i32, i32 } +%eh.CatchableTypeArray.1 = type { i32, [1 x i32] } +%eh.ThrowInfo = type { i32, i32, i32, i32 } +%class.foo = type { i8 } + +$"?foo_member@foo@@QEAAXXZ" = comdat any + +$"??_R0H@8" = comdat any + +$"_CT??_R0H@84" = comdat any + +$_CTA1H = comdat any + +$_TI1H = comdat any + +@"??_7type_info@@6B@" = external constant ptr +@"??_R0H@8" = linkonce_odr global %rtti.TypeDescriptor2 { ptr @"??_7type_info@@6B@", ptr null, [3 x i8] c".H\00" }, comdat +@__ImageBase = external dso_local constant i8 +@"_CT??_R0H@84" = linkonce_odr unnamed_addr constant %eh.CatchableType { i32 1, i32 trunc (i64 sub nuw nsw (i64 ptrtoint (ptr @"??_R0H@8" to i64), i64 ptrtoint (ptr @__ImageBase to i64)) to i32), i32 0, i32 -1, i32 0, i32 4, i32 0 }, section ".xdata", comdat +@_CTA1H = linkonce_odr unnamed_addr constant %eh.CatchableTypeArray.1 { i32 1, [1 x i32] [i32 trunc (i64 sub nuw nsw (i64 ptrtoint (ptr @"_CT??_R0H@84" to i64), i64 ptrtoint (ptr @__ImageBase to i64)) to i32)] }, section ".xdata", comdat +@_TI1H = linkonce_odr unnamed_addr constant %eh.ThrowInfo { i32 0, i32 0, i32 0, i32 trunc (i64 sub nuw nsw (i64 ptrtoint (ptr @_CTA1H to i64), i64 ptrtoint (ptr @__ImageBase to i64)) to i32) }, section ".xdata", comdat +@"__const.?func@@YAXXZ.object" = private unnamed_addr constant %class.foo undef, align 1 + +; Function Attrs: mustprogress noinline noreturn optnone uwtable +define dso_local void @"?f@@YAXXZ"() #0 !dbg !8 { + %1 = alloca i32, align 4 + store i32 1, ptr %1, align 4, !dbg !13 + call void @_CxxThrowException(ptr %1, ptr @_TI1H) #4, !dbg !13 + unreachable, !dbg !13 +} + +declare dso_local void @_CxxThrowException(ptr, ptr) + +; Function Attrs: mustprogress noinline optnone uwtable +define dso_local void @"?func@@YAXXZ"() #1 !dbg !14 { + %1 = alloca %class.foo, align 1 + call void @llvm.dbg.declare(metadata ptr %1, metadata !15, metadata !DIExpression()), !dbg !22 + call void @llvm.memcpy.p0.p0.i64(ptr align 1 %1, ptr align 1 @"__const.?func@@YAXXZ.object", i64 1, i1 false), !dbg !22 + call void @"?foo_member@foo@@QEAAXXZ"(ptr noundef nonnull align 1 dereferenceable(1) %1) #4, !dbg !23 + unreachable, !dbg !23 +} + +; Function Attrs: nocallback nofree nosync nounwind readnone speculatable willreturn +declare void @llvm.dbg.declare(metadata, metadata, metadata) #2 + +; Function Attrs: argmemonly nocallback nofree nounwind willreturn +declare void @llvm.memcpy.p0.p0.i64(ptr noalias nocapture writeonly, ptr noalias nocapture readonly, i64, i1 immarg) #3 + +; Function Attrs: mustprogress noinline noreturn optnone uwtable +define linkonce_odr dso_local void @"?foo_member@foo@@QEAAXXZ"(ptr noundef nonnull align 1 dereferenceable(1) %0) #0 comdat align 2 !dbg !24 { + %2 = alloca ptr, align 8 + %3 = alloca i32, align 4 + store ptr %0, ptr %2, align 8 + call void @llvm.dbg.declare(metadata ptr %2, metadata !25, metadata !DIExpression()), !dbg !27 + %4 = load ptr, ptr %2, align 8 + store i32 1, ptr %3, align 4, !dbg !28 + call void @_CxxThrowException(ptr %3, ptr @_TI1H) #4, !dbg !28 + unreachable, !dbg !28 +} + +attributes #0 = { mustprogress noinline noreturn optnone uwtable "frame-pointer"="none" "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" } +attributes #1 = { mustprogress noinline optnone uwtable "frame-pointer"="none" "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" } +attributes #2 = { nocallback nofree nosync nounwind readnone speculatable willreturn } +attributes #3 = { argmemonly nocallback nofree nounwind willreturn } +attributes #4 = { noreturn } + +!llvm.dbg.cu = !{!0} +!llvm.module.flags = !{!2, !3, !4, !5, !6} +!llvm.ident = !{!7} + +!0 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus_11, file: !1, producer: "clang version 15.0.1", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug, splitDebugInlining: false, nameTableKind: None) +!1 = !DIFile(filename: "noreturn.cpp", directory: "C:\\llvm", checksumkind: CSK_MD5, checksum: "4431274b41f9156c1861249cc2d5fbc6") +!2 = !{i32 2, !"CodeView", i32 1} +!3 = !{i32 2, !"Debug Info Version", i32 3} +!4 = !{i32 1, !"wchar_size", i32 2} +!5 = !{i32 7, !"PIC Level", i32 2} +!6 = !{i32 7, !"uwtable", i32 2} +!7 = !{!"clang version 15.0.1"} +!8 = distinct !DISubprogram(name: "f", linkageName: "?f@@YAXXZ", scope: !9, file: !9, line: 6, type: !10, scopeLine: 6, flags: DIFlagPrototyped | DIFlagNoReturn, spFlags: DISPFlagDefinition, unit: !0, retainedNodes: !12) +!9 = !DIFile(filename: "noreturn.cpp", directory: "", checksumkind: CSK_MD5, checksum: "4431274b41f9156c1861249cc2d5fbc6") +!10 = !DISubroutineType(types: !11) +!11 = !{null} +!12 = !{} +!13 = !DILocation(line: 7, scope: !8) +!14 = distinct !DISubprogram(name: "func", linkageName: "?func@@YAXXZ", scope: !9, file: !9, line: 10, type: !10, scopeLine: 10, flags: DIFlagPrototyped, spFlags: DISPFlagDefinition, unit: !0, retainedNodes: !12) +!15 = !DILocalVariable(name: "object", scope: !14, file: !9, line: 11, type: !16) +!16 = distinct !DICompositeType(tag: DW_TAG_class_type, name: "foo", file: !9, line: 1, size: 8, flags: DIFlagTypePassByValue, elements: !17, identifier: ".?AVfoo@@") +!17 = !{!18} +!18 = !DISubprogram(name: "foo_member", linkageName: "?foo_member@foo@@QEAAXXZ", scope: !16, file: !9, line: 3, type: !19, scopeLine: 3, flags: DIFlagPublic | DIFlagPrototyped | DIFlagNoReturn, spFlags: 0) +!19 = !DISubroutineType(types: !20) +!20 = !{null, !21} +!21 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !16, size: 64, flags: DIFlagArtificial | DIFlagObjectPointer) +!22 = !DILocation(line: 11, scope: !14) +!23 = !DILocation(line: 12, scope: !14) +!24 = distinct !DISubprogram(name: "foo_member", linkageName: "?foo_member@foo@@QEAAXXZ", scope: !16, file: !9, line: 3, type: !19, scopeLine: 3, flags: DIFlagPrototyped | DIFlagNoReturn, spFlags: DISPFlagDefinition, unit: !0, declaration: !18, retainedNodes: !12) +!25 = !DILocalVariable(name: "this", arg: 1, scope: !24, type: !26, flags: DIFlagArtificial | DIFlagObjectPointer) +!26 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !16, size: 64) +!27 = !DILocation(line: 0, scope: !24) +!28 = !DILocation(line: 3, scope: !24) Index: llvm/test/DebugInfo/COFF/simple.ll =================================================================== --- llvm/test/DebugInfo/COFF/simple.ll +++ llvm/test/DebugInfo/COFF/simple.ll @@ -58,7 +58,7 @@ ; X86-NEXT: .long 4098 ; X86-NEXT: .secrel32 _f ; X86-NEXT: .secidx _f -; X86-NEXT: .byte 0 +; X86-NEXT: .byte 128 ; X86-NEXT: .asciz "f" ; X86-NEXT: .p2align 2 ; X86-NEXT: [[PROC_SEGMENT_END]]: @@ -188,7 +188,7 @@ ; X64-NEXT: .long 4098 ; X64-NEXT: .secrel32 f ; X64-NEXT: .secidx f -; X64-NEXT: .byte 0 +; X64-NEXT: .byte 128 ; X64-NEXT: .asciz "f" ; X64-NEXT: .p2align 2 ; X64-NEXT: [[PROC_SEGMENT_END]]: Index: llvm/test/DebugInfo/COFF/types-array.ll =================================================================== --- llvm/test/DebugInfo/COFF/types-array.ll +++ llvm/test/DebugInfo/COFF/types-array.ll @@ -58,7 +58,9 @@ ; CHECK: FunctionType: f (0x1002) ; CHECK: CodeOffset: ?f@@YAXXZ+0x0 ; CHECK: Segment: 0x0 -; CHECK: Flags [ (0x0) +; CHECK: Flags [ (0x81) +; CHECK: HasFP (0x1) +; CHECK: HasOptimizedDebugInfo (0x80) ; CHECK: ] ; CHECK: DisplayName: f ; CHECK: LinkageName: ?f@@YAXXZ Index: llvm/test/DebugInfo/COFF/types-basic.ll =================================================================== --- llvm/test/DebugInfo/COFF/types-basic.ll +++ llvm/test/DebugInfo/COFF/types-basic.ll @@ -221,7 +221,8 @@ ; CHECK: FunctionType: f (0x1002) ; CHECK: CodeOffset: ?f@@YAXMN_J@Z+0x0 ; CHECK: Segment: 0x0 -; CHECK: Flags [ (0x0) +; CHECK: Flags [ (0x80) +; CHECK: HasOptimizedDebugInfo (0x80) ; CHECK: ] ; CHECK: DisplayName: f ; CHECK: LinkageName: ?f@@YAXMN_J@Z Index: llvm/test/MC/AArch64/coff-debug.ll =================================================================== --- llvm/test/MC/AArch64/coff-debug.ll +++ llvm/test/MC/AArch64/coff-debug.ll @@ -95,7 +95,9 @@ ; CHECK: FunctionType: main (0x1002) ; CHECK: CodeOffset: main+0x0 ; CHECK: Segment: 0x0 -; CHECK: Flags [ (0x0) +; CHECK: Flags [ (0xC0) +; CHECK: HasOptimizedDebugInfo (0x80) +; CHECK: IsNoInline (0x40) ; CHECK: ] ; CHECK: DisplayName: main ; CHECK: LinkageName: main