forked from OSchip/llvm-project
229 lines
10 KiB
LLVM
229 lines
10 KiB
LLVM
; RUN: llc < %s -mtriple=x86_64-w64-windows-gnu | FileCheck %s
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; Control Flow Guard is currently only available on Windows
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; This file was generated from the following source, using this command line:
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; clang++ -target x86_64-w64-windows-gnu cfguard-mingw.cpp -S -emit-llvm -o cfguard-mingw.ll -O -Xclang -cfguard
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;
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;-------------------------------------------------------------------------------
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; class __attribute__((dllexport)) Base {
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; public:
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; __attribute__((dllexport)) Base() = default;
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; __attribute__((dllexport)) virtual ~Base() = default;
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; __attribute__((dllexport)) virtual int calc() const {
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; return m_field * 2;
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; }
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; int m_field{0};
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; };
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;
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; class __attribute__((dllexport)) Derived : public Base {
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; public:
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; __attribute__((dllexport)) Derived() = default;
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; __attribute__((dllexport)) ~Derived() override = default;
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; __attribute__((dllexport)) int calc() const override {
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; return m_field * 2 + m_newfield;
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; }
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; int m_newfield{0};
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; };
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;
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; __attribute((noinline)) void address_taken() {}
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; __attribute((noinline)) void address_not_taken() {}
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;
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; using fn_t = void (*)();
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; __attribute__((dllexport)) fn_t get_address() {
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; address_not_taken();
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; return &address_taken;
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; }
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;-------------------------------------------------------------------------------
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; CHECK: .set @feat.00, 2048
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; CHECK: .section .gfids$y
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; CHECK: .symidx _ZNK7Derived4calcEv
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; CHECK: .symidx _Z13address_takenv
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; ModuleID = 'cfguard-mingw.cpp'
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source_filename = "cfguard-mingw.cpp"
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target datalayout = "e-m:w-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"
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target triple = "x86_64-w64-windows-gnu"
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%class.Base = type <{ ptr, i32, [4 x i8] }>
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%class.Derived = type { %class.Base.base, i32 }
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%class.Base.base = type <{ ptr, i32 }>
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$_ZN4BaseC2Ev = comdat any
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$_ZN4BaseC1Ev = comdat any
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$_ZNK4Base4calcEv = comdat any
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$_ZN4BaseD2Ev = comdat any
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$_ZN4BaseD1Ev = comdat any
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$_ZN4BaseD0Ev = comdat any
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$_ZN7DerivedC2Ev = comdat any
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$_ZN7DerivedC1Ev = comdat any
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$_ZNK7Derived4calcEv = comdat any
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$_ZN7DerivedD2Ev = comdat any
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$_ZN7DerivedD1Ev = comdat any
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$_ZN7DerivedD0Ev = comdat any
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$_ZTV4Base = comdat any
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$_ZTV7Derived = comdat any
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$_ZTS4Base = comdat any
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$_ZTI4Base = comdat any
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$_ZTS7Derived = comdat any
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$_ZTI7Derived = comdat any
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@_ZTV4Base = weak_odr dso_local dllexport unnamed_addr constant { [5 x ptr] } { [5 x ptr] [ptr null, ptr @_ZTI4Base, ptr @_ZN4BaseD1Ev, ptr @_ZN4BaseD0Ev, ptr @_ZNK4Base4calcEv] }, comdat, align 8
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@_ZTV7Derived = weak_odr dso_local dllexport unnamed_addr constant { [5 x ptr] } { [5 x ptr] [ptr null, ptr @_ZTI7Derived, ptr @_ZN7DerivedD1Ev, ptr @_ZN7DerivedD0Ev, ptr @_ZNK7Derived4calcEv] }, comdat, align 8
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@_ZTVN10__cxxabiv117__class_type_infoE = external global ptr
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@_ZTS4Base = linkonce_odr dso_local constant [6 x i8] c"4Base\00", comdat, align 1
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@_ZTI4Base = linkonce_odr dso_local constant { ptr, ptr } { ptr getelementptr inbounds (ptr, ptr @_ZTVN10__cxxabiv117__class_type_infoE, i64 2), ptr @_ZTS4Base }, comdat, align 8
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@_ZTVN10__cxxabiv120__si_class_type_infoE = external global ptr
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@_ZTS7Derived = linkonce_odr dso_local constant [9 x i8] c"7Derived\00", comdat, align 1
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@_ZTI7Derived = linkonce_odr dso_local constant { ptr, ptr, ptr } { ptr getelementptr inbounds (ptr, ptr @_ZTVN10__cxxabiv120__si_class_type_infoE, i64 2), ptr @_ZTS7Derived, ptr @_ZTI4Base }, comdat, align 8
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; Function Attrs: nounwind uwtable
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define weak_odr dso_local dllexport void @_ZN4BaseC2Ev(ptr noundef nonnull align 8 dereferenceable(12) %0) unnamed_addr #0 comdat align 2 {
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store ptr getelementptr inbounds ({ [5 x ptr] }, ptr @_ZTV4Base, i64 0, inrange i32 0, i64 2), ptr %0, align 8, !tbaa !5
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%2 = getelementptr inbounds %class.Base, ptr %0, i64 0, i32 1
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store i32 0, ptr %2, align 8, !tbaa !8
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ret void
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}
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; Function Attrs: nounwind uwtable
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define weak_odr dso_local dllexport void @_ZN4BaseC1Ev(ptr noundef nonnull align 8 dereferenceable(12) %0) unnamed_addr #0 comdat align 2 {
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store ptr getelementptr inbounds ({ [5 x ptr] }, ptr @_ZTV4Base, i64 0, inrange i32 0, i64 2), ptr %0, align 8, !tbaa !5
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%2 = getelementptr inbounds %class.Base, ptr %0, i64 0, i32 1
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store i32 0, ptr %2, align 8, !tbaa !8
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ret void
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}
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; Function Attrs: mustprogress nounwind uwtable
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define weak_odr dso_local dllexport noundef i32 @_ZNK4Base4calcEv(ptr noundef nonnull align 8 dereferenceable(12) %0) unnamed_addr #1 comdat align 2 {
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%2 = getelementptr inbounds %class.Base, ptr %0, i64 0, i32 1
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%3 = load i32, ptr %2, align 8, !tbaa !8
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%4 = shl nsw i32 %3, 1
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ret i32 %4
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}
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; Function Attrs: nounwind uwtable
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define weak_odr dso_local dllexport void @_ZN4BaseD2Ev(ptr noundef nonnull align 8 dereferenceable(12) %0) unnamed_addr #0 comdat align 2 {
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ret void
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}
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; Function Attrs: nounwind uwtable
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define weak_odr dso_local dllexport void @_ZN4BaseD1Ev(ptr noundef nonnull align 8 dereferenceable(12) %0) unnamed_addr #0 comdat align 2 {
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ret void
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}
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; Function Attrs: nounwind uwtable
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define weak_odr dso_local dllexport void @_ZN4BaseD0Ev(ptr noundef nonnull align 8 dereferenceable(12) %0) unnamed_addr #0 comdat align 2 {
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tail call void @_ZdlPv(ptr noundef nonnull %0) #5
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ret void
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}
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; Function Attrs: nobuiltin nounwind
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declare dso_local void @_ZdlPv(ptr noundef) local_unnamed_addr #2
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; Function Attrs: nounwind uwtable
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define weak_odr dso_local dllexport void @_ZN7DerivedC2Ev(ptr noundef nonnull align 8 dereferenceable(16) %0) unnamed_addr #0 comdat align 2 {
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store ptr getelementptr inbounds ({ [5 x ptr] }, ptr @_ZTV4Base, i64 0, inrange i32 0, i64 2), ptr %0, align 8, !tbaa !5
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%2 = getelementptr inbounds %class.Base, ptr %0, i64 0, i32 1
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store i32 0, ptr %2, align 8, !tbaa !8
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store ptr getelementptr inbounds ({ [5 x ptr] }, ptr @_ZTV7Derived, i64 0, inrange i32 0, i64 2), ptr %0, align 8, !tbaa !5
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%3 = getelementptr inbounds %class.Derived, ptr %0, i64 0, i32 1
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store i32 0, ptr %3, align 4, !tbaa !12
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ret void
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}
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; Function Attrs: nounwind uwtable
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define weak_odr dso_local dllexport void @_ZN7DerivedC1Ev(ptr noundef nonnull align 8 dereferenceable(16) %0) unnamed_addr #0 comdat align 2 {
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store ptr getelementptr inbounds ({ [5 x ptr] }, ptr @_ZTV4Base, i64 0, inrange i32 0, i64 2), ptr %0, align 8, !tbaa !5
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%2 = getelementptr inbounds %class.Base, ptr %0, i64 0, i32 1
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store i32 0, ptr %2, align 8, !tbaa !8
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store ptr getelementptr inbounds ({ [5 x ptr] }, ptr @_ZTV7Derived, i64 0, inrange i32 0, i64 2), ptr %0, align 8, !tbaa !5
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%3 = getelementptr inbounds %class.Derived, ptr %0, i64 0, i32 1
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store i32 0, ptr %3, align 4, !tbaa !12
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ret void
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}
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; Function Attrs: mustprogress nounwind uwtable
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define weak_odr dso_local dllexport noundef i32 @_ZNK7Derived4calcEv(ptr noundef nonnull align 8 dereferenceable(16) %0) unnamed_addr #1 comdat align 2 {
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%2 = getelementptr inbounds %class.Base, ptr %0, i64 0, i32 1
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%3 = load i32, ptr %2, align 8, !tbaa !8
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%4 = shl nsw i32 %3, 1
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%5 = getelementptr inbounds %class.Derived, ptr %0, i64 0, i32 1
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%6 = load i32, ptr %5, align 4, !tbaa !12
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%7 = add nsw i32 %4, %6
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ret i32 %7
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}
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; Function Attrs: nounwind uwtable
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define weak_odr dso_local dllexport void @_ZN7DerivedD2Ev(ptr noundef nonnull align 8 dereferenceable(16) %0) unnamed_addr #0 comdat align 2 {
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ret void
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}
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; Function Attrs: nounwind uwtable
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define weak_odr dso_local dllexport void @_ZN7DerivedD1Ev(ptr noundef nonnull align 8 dereferenceable(16) %0) unnamed_addr #0 comdat align 2 {
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ret void
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}
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; Function Attrs: nounwind uwtable
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define weak_odr dso_local dllexport void @_ZN7DerivedD0Ev(ptr noundef nonnull align 8 dereferenceable(16) %0) unnamed_addr #0 comdat align 2 {
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tail call void @_ZdlPv(ptr noundef nonnull %0) #5
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ret void
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}
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; Function Attrs: mustprogress nofree noinline norecurse nosync nounwind readnone willreturn uwtable
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define dso_local void @_Z13address_takenv() #3 {
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ret void
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}
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; Function Attrs: mustprogress nofree noinline norecurse nosync nounwind readnone willreturn uwtable
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define dso_local void @_Z17address_not_takenv() local_unnamed_addr #3 {
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ret void
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}
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; Function Attrs: mustprogress nofree norecurse nosync nounwind readnone willreturn uwtable
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define dso_local dllexport noundef nonnull ptr @_Z11get_addressv() local_unnamed_addr #4 {
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ret ptr @_Z13address_takenv
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}
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attributes #0 = { nounwind 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" }
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attributes #1 = { mustprogress nounwind 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" }
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attributes #2 = { nobuiltin nounwind "frame-pointer"="none" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
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attributes #3 = { mustprogress nofree noinline norecurse nosync nounwind readnone willreturn 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" }
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attributes #4 = { mustprogress nofree norecurse nosync nounwind readnone willreturn 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" }
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attributes #5 = { builtin nounwind }
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!llvm.module.flags = !{!0, !1, !2, !3}
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!llvm.ident = !{!4}
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!0 = !{i32 2, !"cfguard", i32 2}
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!1 = !{i32 1, !"wchar_size", i32 2}
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!2 = !{i32 8, !"PIC Level", i32 2}
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!3 = !{i32 7, !"uwtable", i32 2}
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!4 = !{!"clang version 16.0.0"}
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!5 = !{!6, !6, i64 0}
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!6 = !{!"vtable pointer", !7, i64 0}
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!7 = !{!"Simple C++ TBAA"}
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!8 = !{!9, !10, i64 8}
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!9 = !{!"_ZTS4Base", !10, i64 8}
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!10 = !{!"int", !11, i64 0}
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!11 = !{!"omnipotent char", !7, i64 0}
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!12 = !{!13, !10, i64 12}
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!13 = !{!"_ZTS7Derived", !9, i64 0, !10, i64 12}
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