The size of struct UnwindException varies by platform with no
apparent general rule. Just special-case it as appropriate.
PR10789.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@138792 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/CodeGenCXX/sizeof-unwind-exception.cpp b/test/CodeGenCXX/sizeof-unwind-exception.cpp
new file mode 100644
index 0000000..5db4df7
--- /dev/null
+++ b/test/CodeGenCXX/sizeof-unwind-exception.cpp
@@ -0,0 +1,28 @@
+// RUN: %clang_cc1 -triple x86_64-apple-darwin10 -emit-llvm -fcxx-exceptions -fexceptions %s -O2 -o - | FileCheck %s --check-prefix=X86-64
+// RUN: %clang_cc1 -triple x86_64-apple-darwin10 -emit-llvm -fcxx-exceptions -fexceptions %s -O2 -o - | FileCheck %s --check-prefix=X86-32
+// RUN: %clang_cc1 -triple x86_64-apple-darwin10 -emit-llvm -fcxx-exceptions -fexceptions %s -O2 -o - | FileCheck %s --check-prefix=ARM-DARWIN
+// RUN: %clang_cc1 -triple arm-unknown-gnueabi -emit-llvm -fcxx-exceptions -fexceptions %s -O2 -o - | FileCheck %s --check-prefix=ARM-EABI
+// RUN: %clang_cc1 -triple mipsel-unknown-unknown -emit-llvm -fcxx-exceptions -fexceptions %s -O2 -o - | FileCheck %s --check-prefix=MIPS
+
+void foo();
+void test() {
+ try {
+ foo();
+ } catch (int *&i) {
+ *i = 5;
+ }
+}
+
+// PR10789: different platforms have different sizes for struct UnwindException.
+
+// X86-64: [[T0:%.*]] = tail call i8* @__cxa_begin_catch(i8* [[EXN:%.*]]) nounwind
+// X86-64-NEXT: [[T1:%.*]] = getelementptr i8* [[EXN]], i64 32
+// X86-32: [[T0:%.*]] = tail call i8* @__cxa_begin_catch(i8* [[EXN:%.*]]) nounwind
+// X86-32-NEXT: [[T1:%.*]] = getelementptr i8* [[EXN]], i64 32
+// ARM-DARWIN: [[T0:%.*]] = tail call i8* @__cxa_begin_catch(i8* [[EXN:%.*]]) nounwind
+// ARM-DARWIN-NEXT: [[T1:%.*]] = getelementptr i8* [[EXN]], i64 32
+// ARM-EABI: [[T0:%.*]] = tail call i8* @__cxa_begin_catch(i8* [[EXN:%.*]]) nounwind
+// ARM-EABI-NEXT: [[T1:%.*]] = getelementptr i8* [[EXN]], i32 88
+// MIPS: [[T0:%.*]] = tail call i8* @__cxa_begin_catch(i8* [[EXN:%.*]]) nounwind
+// MIPS-NEXT: [[T1:%.*]] = getelementptr i8* [[EXN]], i32 24
+