clang/test/CodeGenCXX/sizeof-unwind-exception.cpp

   1 // RUN: %clang_cc1 -triple x86_64-apple-darwin10 -emit-llvm -fcxx-exceptions -fexceptions %s -O2 -o - | FileCheck %s --check-prefix=X86-64
   2 // RUN: %clang_cc1 -triple x86_64-apple-darwin10 -emit-llvm -fcxx-exceptions -fexceptions %s -O2 -o - | FileCheck %s --check-prefix=X86-32
   3 // RUN: %clang_cc1 -triple x86_64-apple-darwin10 -emit-llvm -fcxx-exceptions -fexceptions %s -O2 -o - | FileCheck %s --check-prefix=ARM-DARWIN
   4 // RUN: %clang_cc1 -triple arm-unknown-gnueabi -emit-llvm -fcxx-exceptions -fexceptions %s -O2 -o - | FileCheck %s --check-prefix=ARM-EABI
   5 // RUN: %clang_cc1 -triple mipsel-unknown-unknown -emit-llvm -fcxx-exceptions -fexceptions %s -O2 -o - | FileCheck %s --check-prefix=MIPS
   6
   7 void foo();
   8 void test() {
   9   try {
  10     foo();
  11   } catch (int *&i) {
  12     *i = 5;
  13   }
  14 }
  15
  16 // PR10789: different platforms have different sizes for struct UnwindException.
  17
  18 // X86-64:          [[T0:%.*]] = tail call ptr @__cxa_begin_catch(ptr [[EXN:%.*]]) [[NUW:#[0-9]+]]
  19 // X86-64-NEXT:     [[T1:%.*]] = getelementptr i8, ptr [[EXN]], i64 32
  20 // X86-32:          [[T0:%.*]] = tail call ptr @__cxa_begin_catch(ptr [[EXN:%.*]]) [[NUW:#[0-9]+]]
  21 // X86-32-NEXT:     [[T1:%.*]] = getelementptr i8, ptr [[EXN]], i64 32
  22 // ARM-DARWIN:      [[T0:%.*]] = tail call ptr @__cxa_begin_catch(ptr [[EXN:%.*]]) [[NUW:#[0-9]+]]
  23 // ARM-DARWIN-NEXT: [[T1:%.*]] = getelementptr i8, ptr [[EXN]], i64 32
  24 // ARM-EABI:        [[T0:%.*]] = tail call ptr @__cxa_begin_catch(ptr [[EXN:%.*]]) [[NUW:#[0-9]+]]
  25 // ARM-EABI-NEXT:   [[T1:%.*]] = getelementptr i8, ptr [[EXN]], i32 88
  26 // MIPS:            [[T0:%.*]] = tail call ptr @__cxa_begin_catch(ptr [[EXN:%.*]]) [[NUW:#[0-9]+]]
  27 // MIPS-NEXT:       [[T1:%.*]] = getelementptr i8, ptr [[EXN]], i32 24
  28
  29 // X86-64: attributes [[NUW]] = { nounwind }
  30 // X86-32: attributes [[NUW]] = { nounwind }
  31 // ARM-DARWIN: attributes [[NUW]] = { nounwind }
  32 // ARM-EABI: attributes [[NUW]] = { nounwind }
  33 // MIPS: attributes [[NUW]] = { nounwind }