Mercurial > hg > CbC > CbC_llvm
view llvm/test/Instrumentation/AddressSanitizer/lifetime-throw.ll @ 252:1f2b6ac9f198 llvm-original
LLVM16-1
author | Shinji KONO <kono@ie.u-ryukyu.ac.jp> |
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date | Fri, 18 Aug 2023 09:04:13 +0900 |
parents | c4bab56944e8 |
children |
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; Test handling of llvm.lifetime intrinsics with C++ exceptions. ; RUN: opt < %s -passes=asan -asan-use-after-scope -asan-use-after-return=never -S | FileCheck %s target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128" target triple = "x86_64-unknown-linux-gnu" %struct.ABC = type { i32 } $_ZN3ABCD2Ev = comdat any $_ZTS3ABC = comdat any $_ZTI3ABC = comdat any @_ZTVN10__cxxabiv117__class_type_infoE = external global ptr @_ZTS3ABC = linkonce_odr constant [5 x i8] c"3ABC\00", comdat @_ZTI3ABC = linkonce_odr constant { ptr, ptr } { ptr getelementptr inbounds (ptr, ptr @_ZTVN10__cxxabiv117__class_type_infoE, i64 2), ptr @_ZTS3ABC }, comdat define void @Throw() sanitize_address personality ptr @__gxx_personality_v0 { ; CHECK-LABEL: define void @Throw() entry: %x = alloca %struct.ABC, align 4 ; Poison memory in prologue: F1F1F1F1F8F3F3F3 ; CHECK: store i64 -868082052615769615, ptr %{{[0-9]+}} call void @llvm.lifetime.start.p0(i64 4, ptr %x) ; CHECK: store i8 4, ptr %{{[0-9]+}} ; CHECK-NEXT: @llvm.lifetime.start %exception = call ptr @__cxa_allocate_exception(i64 4) invoke void @__cxa_throw(ptr %exception, ptr @_ZTI3ABC, ptr @_ZN3ABCD2Ev) noreturn to label %unreachable unwind label %lpad ; CHECK: call void @__asan_handle_no_return ; CHECK-NEXT: @__cxa_throw lpad: %0 = landingpad { ptr, i32 } cleanup call void @_ZN3ABCD2Ev(ptr nonnull %x) call void @llvm.lifetime.end.p0(i64 4, ptr %x) ; CHECK: store i8 -8, ptr %{{[0-9]+}} ; CHECK-NEXT: @llvm.lifetime.end resume { ptr, i32 } %0 ; CHECK: store i64 0, ptr %{{[0-9]+}} ; CHECK-NEXT: resume unreachable: unreachable } %rtti.TypeDescriptor9 = type { ptr, ptr, [10 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 } $"\01??1ABC@@QEAA@XZ" = comdat any $"\01??_R0?AUABC@@@8" = comdat any $"_CT??_R0?AUABC@@@84" = comdat any $"_CTA1?AUABC@@" = comdat any $"_TI1?AUABC@@" = comdat any @"\01??_7type_info@@6B@" = external constant ptr @"\01??_R0?AUABC@@@8" = linkonce_odr global %rtti.TypeDescriptor9 { ptr @"\01??_7type_info@@6B@", ptr null, [10 x i8] c".?AUABC@@\00" }, comdat @__ImageBase = external constant i8 @"_CT??_R0?AUABC@@@84" = linkonce_odr unnamed_addr constant %eh.CatchableType { i32 0, i32 trunc (i64 sub nuw nsw (i64 ptrtoint (ptr @"\01??_R0?AUABC@@@8" to i64), i64 ptrtoint (ptr @__ImageBase to i64)) to i32), i32 0, i32 -1, i32 0, i32 4, i32 0 }, section ".xdata", comdat @"_CTA1?AUABC@@" = linkonce_odr unnamed_addr constant %eh.CatchableTypeArray.1 { i32 1, [1 x i32] [i32 trunc (i64 sub nuw nsw (i64 ptrtoint (ptr @"_CT??_R0?AUABC@@@84" to i64), i64 ptrtoint (ptr @__ImageBase to i64)) to i32)] }, section ".xdata", comdat @"_TI1?AUABC@@" = linkonce_odr unnamed_addr constant %eh.ThrowInfo { i32 0, i32 trunc (i64 sub nuw nsw (i64 ptrtoint (ptr @"\01??1ABC@@QEAA@XZ" to i64), i64 ptrtoint (ptr @__ImageBase to i64)) to i32), i32 0, i32 trunc (i64 sub nuw nsw (i64 ptrtoint (ptr @"_CTA1?AUABC@@" to i64), i64 ptrtoint (ptr @__ImageBase to i64)) to i32) }, section ".xdata", comdat define void @ThrowWin() sanitize_address personality ptr @__CxxFrameHandler3 { ; CHECK-LABEL: define void @ThrowWin() entry: %x = alloca %struct.ABC, align 4 %tmp = alloca %struct.ABC, align 4 ; Poison memory in prologue: F1F1F1F1F8F304F2 ; CHECK: store i64 -935355671561244175, ptr %{{[0-9]+}} call void @llvm.lifetime.start.p0(i64 4, ptr %x) ; CHECK: store i8 4, ptr %{{[0-9]+}} ; CHECK-NEXT: @llvm.lifetime.start invoke void @_CxxThrowException(ptr %tmp, ptr nonnull @"_TI1?AUABC@@") noreturn to label %unreachable unwind label %ehcleanup ; CHECK: call void @__asan_handle_no_return ; CHECK-NEXT: @_CxxThrowException ehcleanup: %0 = cleanuppad within none [] call void @"\01??1ABC@@QEAA@XZ"(ptr nonnull %x) [ "funclet"(token %0) ] call void @llvm.lifetime.end.p0(i64 4, ptr %x) ; CHECK: store i8 -8, ptr %{{[0-9]+}} ; CHECK-NEXT: @llvm.lifetime.end cleanupret from %0 unwind to caller ; CHECK: store i64 0, ptr %{{[0-9]+}} ; CHECK-NEXT: cleanupret unreachable: unreachable } declare i32 @__gxx_personality_v0(...) declare void @llvm.lifetime.start.p0(i64, ptr nocapture) declare void @llvm.lifetime.end.p0(i64, ptr nocapture) declare void @__cxa_throw(ptr, ptr, ptr) local_unnamed_addr declare ptr @__cxa_allocate_exception(i64) local_unnamed_addr declare void @_ZN3ABCD2Ev(ptr %this) unnamed_addr declare void @"\01??1ABC@@QEAA@XZ"(ptr %this) declare void @_CxxThrowException(ptr, ptr) declare i32 @__CxxFrameHandler3(...)