| // RUN: %clang_cc1 -std=c++11 -fblocks -fms-extensions %s -triple=x86_64-windows-msvc -emit-llvm \ |
| // RUN: -o - -mconstructor-aliases -fcxx-exceptions -fexceptions | \ |
| // RUN: FileCheck %s --check-prefix=CHECK --check-prefix=CXXEH |
| // RUN: %clang_cc1 -std=c++11 -fblocks -fms-extensions %s -triple=x86_64-windows-msvc -emit-llvm \ |
| // RUN: -o - -mconstructor-aliases -O1 -disable-llvm-passes | \ |
| // RUN: FileCheck %s --check-prefix=CHECK --check-prefix=NOCXX |
| |
| extern "C" unsigned long _exception_code(); |
| extern "C" void might_throw(); |
| |
| struct HasCleanup { |
| HasCleanup(); |
| ~HasCleanup(); |
| int padding; |
| }; |
| |
| extern "C" void use_cxx() { |
| HasCleanup x; |
| might_throw(); |
| } |
| |
| // Make sure we use __CxxFrameHandler3 for C++ EH. |
| |
| // CXXEH-LABEL: define void @use_cxx() |
| // CXXEH-SAME: personality i8* bitcast (i32 (...)* @__CxxFrameHandler3 to i8*) |
| // CXXEH: call %struct.HasCleanup* @"\01??0HasCleanup@@QEAA@XZ"(%struct.HasCleanup* %{{.*}}) |
| // CXXEH: invoke void @might_throw() |
| // CXXEH: to label %[[cont:[^ ]*]] unwind label %[[lpad:[^ ]*]] |
| // |
| // CXXEH: [[cont]] |
| // CXXEH: call void @"\01??1HasCleanup@@QEAA@XZ"(%struct.HasCleanup* %{{.*}}) |
| // CXXEH: ret void |
| // |
| // CXXEH: [[lpad]] |
| // CXXEH: cleanuppad |
| // CXXEH: call void @"\01??1HasCleanup@@QEAA@XZ"(%struct.HasCleanup* %{{.*}}) |
| // CXXEH: cleanupret |
| |
| // NOCXX-LABEL: define void @use_cxx() |
| // NOCXX-NOT: invoke |
| // NOCXX: call %struct.HasCleanup* @"\01??0HasCleanup@@QEAA@XZ"(%struct.HasCleanup* %{{.*}}) |
| // NOCXX-NOT: invoke |
| // NOCXX: call void @might_throw() |
| // NOCXX-NOT: invoke |
| // NOCXX: call void @"\01??1HasCleanup@@QEAA@XZ"(%struct.HasCleanup* %{{.*}}) |
| // NOCXX-NOT: invoke |
| // NOCXX: ret void |
| |
| extern "C" void use_seh() { |
| __try { |
| might_throw(); |
| } __except(1) { |
| } |
| } |
| |
| // Make sure we use __C_specific_handler for SEH. |
| |
| // CHECK-LABEL: define void @use_seh() |
| // CHECK-SAME: personality i8* bitcast (i32 (...)* @__C_specific_handler to i8*) |
| // CHECK: invoke void @might_throw() #[[NOINLINE:[0-9]+]] |
| // CHECK: to label %[[cont:[^ ]*]] unwind label %[[lpad:[^ ]*]] |
| // |
| // CHECK: [[lpad]] |
| // CHECK-NEXT: %[[switch:.*]] = catchswitch within none [label %[[cpad:.*]]] unwind to caller |
| // |
| // CHECK: [[cpad]] |
| // CHECK-NEXT: catchpad within %[[switch]] |
| // CHECK: catchret {{.*}} label %[[except:[^ ]*]] |
| // |
| // CHECK: [[except]] |
| // CHECK: br label %[[ret:[^ ]*]] |
| // |
| // CHECK: [[ret]] |
| // CHECK: ret void |
| // |
| // CHECK: [[cont]] |
| // CHECK: br label %[[ret]] |
| |
| void use_seh_in_lambda() { |
| ([]() { |
| __try { |
| might_throw(); |
| } __except(1) { |
| } |
| })(); |
| HasCleanup x; |
| might_throw(); |
| } |
| |
| // CXXEH-LABEL: define void @"\01?use_seh_in_lambda@@YAXXZ"() |
| // CXXEH-SAME: personality i8* bitcast (i32 (...)* @__CxxFrameHandler3 to i8*) |
| // CXXEH: cleanuppad |
| |
| // NOCXX-LABEL: define void @"\01?use_seh_in_lambda@@YAXXZ"() |
| // NOCXX-NOT: invoke |
| // NOCXX: ret void |
| |
| // CHECK-LABEL: define internal void @"\01??R<lambda_0>@?0??use_seh_in_lambda@@YAXXZ@QEBA@XZ"(%class.anon* %this) |
| // CXXEH-SAME: personality i8* bitcast (i32 (...)* @__C_specific_handler to i8*) |
| // CHECK: invoke void @might_throw() #[[NOINLINE]] |
| // CHECK: catchpad |
| |
| static int my_unique_global; |
| |
| extern "C" inline void use_seh_in_inline_func() { |
| __try { |
| might_throw(); |
| } __except(_exception_code() == 424242) { |
| } |
| __try { |
| might_throw(); |
| } __finally { |
| my_unique_global = 1234; |
| } |
| } |
| |
| void use_inline() { |
| use_seh_in_inline_func(); |
| } |
| |
| // CHECK-LABEL: define linkonce_odr void @use_seh_in_inline_func() #{{[0-9]+}} comdat |
| // CHECK-SAME: personality i8* bitcast (i32 (...)* @__C_specific_handler to i8*) |
| // CHECK: invoke void @might_throw() |
| // |
| // CHECK: catchpad {{.*}} [i8* bitcast (i32 (i8*, i8*)* @"\01?filt$0@0@use_seh_in_inline_func@@" to i8*)] |
| // |
| // CHECK: invoke void @might_throw() |
| // |
| // CHECK: %[[fp:[^ ]*]] = call i8* @llvm.localaddress() |
| // CHECK: call void @"\01?fin$0@0@use_seh_in_inline_func@@"(i8 0, i8* %[[fp]]) |
| // CHECK: ret void |
| // |
| // CHECK: cleanuppad |
| // CHECK: %[[fp:[^ ]*]] = call i8* @llvm.localaddress() |
| // CHECK: call void @"\01?fin$0@0@use_seh_in_inline_func@@"(i8 1, i8* %[[fp]]) |
| |
| // CHECK-LABEL: define internal i32 @"\01?filt$0@0@use_seh_in_inline_func@@"(i8* %exception_pointers, i8* %frame_pointer) #{{[0-9]+}} comdat($use_seh_in_inline_func) |
| // CHECK: icmp eq i32 %{{.*}}, 424242 |
| // CHECK: zext i1 %{{.*}} to i32 |
| // CHECK: ret i32 |
| |
| // CHECK-LABEL: define internal void @"\01?fin$0@0@use_seh_in_inline_func@@"(i8 %abnormal_termination, i8* %frame_pointer) #{{[0-9]+}} comdat($use_seh_in_inline_func) |
| // CHECK: store i32 1234, i32* @my_unique_global |
| |
| // CHECK: attributes #[[NOINLINE]] = { {{.*noinline.*}} } |