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| author | Saleem Abdulrasool <compnerd@compnerd.org> | 2014-06-28 23:34:15 +0000 |
|---|---|---|
| committer | Saleem Abdulrasool <compnerd@compnerd.org> | 2014-06-28 23:34:15 +0000 |
| commit | b123d1d1897ecb6a41339c4c6590c34b192e63b1 (patch) | |
| tree | 7c6f198270c6e9b0f8ffa047ddd31984b833b045 /test/CodeGenCXX/windows-itanium-exceptions.cpp | |
| parent | 4fd1047140ad542fc8a11d370d102d19171c81ed (diff) | |
| download | clang-b123d1d1897ecb6a41339c4c6590c34b192e63b1.tar.gz | |
test: add a test for windows itanium exceptions
Some time ago, I noticed that try would get resolved incorrectly for Windows
Itanium targets. Add an explicit test to exsure that exceptions are handled
correctly for Windows Itanium environments.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@211992 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/CodeGenCXX/windows-itanium-exceptions.cpp')
| -rw-r--r-- | test/CodeGenCXX/windows-itanium-exceptions.cpp | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/test/CodeGenCXX/windows-itanium-exceptions.cpp b/test/CodeGenCXX/windows-itanium-exceptions.cpp new file mode 100644 index 0000000000..d8a8ecdcf0 --- /dev/null +++ b/test/CodeGenCXX/windows-itanium-exceptions.cpp @@ -0,0 +1,46 @@ +// RUN: %clang_cc1 -emit-llvm -triple thumbv7-windows-itanium -fexceptions -fcxx-exceptions %s -o - | FileCheck %s +// RUN: %clang_cc1 -emit-llvm -triple i686-windows-itanium -fexceptions -fcxx-exceptions %s -o - | FileCheck %s + +void except() { + throw 32; +} + +void attempt() { + try { except(); } catch (...) { } +} + +// CHECK: @_ZTIi = external constant i8* + +// CHECK: define {{.*}}void @_Z6exceptv() {{.*}} { +// CHECK: %exception = call {{.*}}i8* @__cxa_allocate_exception(i32 4) +// CHECK: %0 = bitcast i8* %exception to i32* +// CHECK: store i32 32, i32* %0 +// CHECK: call {{.*}}void @__cxa_throw(i8* %exception, i8* bitcast (i8** @_ZTIi to i8*), i8* null) +// CHECK: unreachable +// CHECK: } + +// CHECK: define {{.*}}void @_Z7attemptv() {{.*}} { +// CHECK: %exn.slot = alloca i8* +// CHECK: %ehselector.slot = alloca i32 +// CHECK: invoke {{.*}}void @_Z6exceptv() +// CHECK: to label %invoke.cont unwind label %lpad +// CHECK: invoke.cont: +// CHECK: br label %try.cont +// CHECK: lpad: +// CHECK: %0 = landingpad { i8*, i32 } personality i8* bitcast (i32 (...)* @__gxx_personality_v0 to i8*) +// CHECK: catch i8* null +// CHECK: %1 = extractvalue { i8*, i32 } %0, 0 +// CHECK: store i8* %1, i8** %exn.slot +// CHECK: %2 = extractvalue { i8*, i32 } %0, 1 +// CHECK: store i32 %2, i32* %ehselector.slot +// CHECK: br label %catch +// CHECK: catch: +// CHECK: %exn = load i8** %exn.slot +// CHECK: %3 = call {{.*}}i8* @__cxa_begin_catch(i8* %{{2|exn}}) +// CHECK: call {{.*}}void @__cxa_end_catch() +// CHECK: br label %try.cont +// CHECK: try.cont: +// CHECK: ret void +// CHECK: } + + |