forked from OSchip/llvm-project
99 lines
2.9 KiB
C++
99 lines
2.9 KiB
C++
// RUN: %clang_cc1 -std=c++11 -fblocks -fms-extensions %s -triple=x86_64-windows-msvc -emit-llvm \
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// RUN: -o - -mconstructor-aliases -fcxx-exceptions -fexceptions | \
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// RUN: FileCheck %s --check-prefix=CHECK --check-prefix=CXXEH
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// RUN: %clang_cc1 -std=c++11 -fblocks -fms-extensions %s -triple=x86_64-windows-msvc -emit-llvm \
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// RUN: -o - -mconstructor-aliases -O1 -disable-llvm-optzns | \
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// RUN: FileCheck %s --check-prefix=CHECK --check-prefix=NOCXX
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extern "C" void might_throw();
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struct HasCleanup {
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HasCleanup();
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~HasCleanup();
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int padding;
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};
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extern "C" void use_cxx() {
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HasCleanup x;
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might_throw();
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}
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// Make sure we use __CxxFrameHandler3 for C++ EH.
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// CXXEH-LABEL: define void @use_cxx()
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// CXXEH: call %struct.HasCleanup* @"\01??0HasCleanup@@QEAA@XZ"(%struct.HasCleanup* %{{.*}})
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// CXXEH: invoke void @might_throw()
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// CXXEH: to label %[[cont:[^ ]*]] unwind label %[[lpad:[^ ]*]]
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//
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// CXXEH: [[cont]]
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// CXXEH: call void @"\01??1HasCleanup@@QEAA@XZ"(%struct.HasCleanup* %{{.*}})
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// CXXEH: ret void
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//
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// CXXEH: [[lpad]]
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// CXXEH: landingpad { i8*, i32 } personality i8* bitcast (i32 (...)* @__CxxFrameHandler3 to i8*)
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// CXXEH-NEXT: cleanup
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// CXXEH: call void @"\01??1HasCleanup@@QEAA@XZ"(%struct.HasCleanup* %{{.*}})
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// CXXEH: br label %[[resume:[^ ]*]]
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//
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// CXXEH: [[resume]]
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// CXXEH: resume
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// NOCXX-LABEL: define void @use_cxx()
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// NOCXX-NOT: invoke
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// NOCXX: call %struct.HasCleanup* @"\01??0HasCleanup@@QEAA@XZ"(%struct.HasCleanup* %{{.*}})
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// NOCXX-NOT: invoke
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// NOCXX: call void @might_throw()
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// NOCXX-NOT: invoke
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// NOCXX: call void @"\01??1HasCleanup@@QEAA@XZ"(%struct.HasCleanup* %{{.*}})
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// NOCXX-NOT: invoke
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// NOCXX: ret void
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extern "C" void use_seh() {
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__try {
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might_throw();
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} __except(1) {
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}
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}
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// Make sure we use __C_specific_handler for SEH.
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// CHECK-LABEL: define void @use_seh()
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// CHECK: invoke void @might_throw() #[[NOINLINE:[0-9]+]]
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// CHECK: to label %[[cont:[^ ]*]] unwind label %[[lpad:[^ ]*]]
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//
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// CHECK: [[cont]]
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// CHECK: br label %[[ret:[^ ]*]]
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//
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// CHECK: [[lpad]]
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// CHECK: landingpad { i8*, i32 } personality i8* bitcast (i32 (...)* @__C_specific_handler to i8*)
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// CHECK-NEXT: catch i8*
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//
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// CHECK: br label %[[ret]]
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//
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// CHECK: [[ret]]
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// CHECK: ret void
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void use_seh_in_lambda() {
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([]() {
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__try {
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might_throw();
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} __except(1) {
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}
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})();
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HasCleanup x;
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might_throw();
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}
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// CXXEH-LABEL: define void @"\01?use_seh_in_lambda@@YAXXZ"()
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// CXXEH: landingpad { i8*, i32 } personality i8* bitcast (i32 (...)* @__CxxFrameHandler3 to i8*)
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// NOCXX-LABEL: define void @"\01?use_seh_in_lambda@@YAXXZ"()
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// NOCXX-NOT: invoke
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// NOCXX: ret void
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// CHECK-LABEL: define internal void @"\01??R<lambda_0>@?use_seh_in_lambda@@YAXXZ@QEBAXXZ"(%class.anon* %this)
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// CHECK: invoke void @might_throw() #[[NOINLINE]]
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// CHECK: landingpad { i8*, i32 } personality i8* bitcast (i32 (...)* @__C_specific_handler to i8*)
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// CHECK: attributes #[[NOINLINE]] = { {{.*noinline.*}} }
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