Add testcases for recent checkins.

llvm-svn: 89469

1 files changed, 68 insertions, 0 deletions

diff --git a/clang/test/CodeGenCXX/eh.cpp b/clang/test/CodeGenCXX/eh.cpp
new file mode 100644
index 00000000000..3dd7219d9af
--- /dev/null
+++ b/clang/test/CodeGenCXX/eh.cpp
@@ -0,0 +1,68 @@
+// RUN: clang-cc -triple x86_64-apple-darwin -std=c++0x -emit-llvm %s -o %t.ll
+// RUN: FileCheck --input-file=%t.ll %s
+
+struct test1_D {
+  double d;
+} d1;
+
+void test1() {
+  throw d1;
+}
+
+// CHECK:     define void @_Z5test1v() nounwind {
+// CHECK-NEXT:entry:
+// CHECK-NEXT:  %exception = call i8* @__cxa_allocate_exception(i64 8)
+// CHECK-NEXT:  %0 = bitcast i8* %exception to %struct.test1_D*
+// CHECK-NEXT:  %tmp = bitcast %struct.test1_D* %0 to i8*
+// CHECK-NEXT:  call void @llvm.memcpy.i64(i8* %tmp, i8* bitcast (%struct.test1_D* @d1 to i8*), i64 8, i32 8)
+// CHECK-NEXT:  call void @__cxa_throw(i8* %exception, i8* bitcast (%0* @_ZTI7test1_D to i8*), i8* null) noreturn
+// CHECK-NEXT:  unreachable
+
+
+struct test2_D {
+  test2_D(const test2_D&o);
+  test2_D();
+  virtual void bar() { }
+  int i; int j;
+} d2;
+
+void test2() {
+  throw d2;
+}
+
+// CHECK:     define void @_Z5test2v() nounwind {
+// CHECK-NEXT:entry:
+// CHECK-NEXT:  %exception = call i8* @__cxa_allocate_exception(i64 16)
+// CHECK-NEXT:  %0 = bitcast i8* %exception to %struct.test2_D*
+// CHECK-NEXT:  call void @_ZN7test2_DC1ERKS_(%struct.test2_D* %0, %struct.test2_D* @d2)
+// CHECK-NEXT:  call void @__cxa_throw(i8* %exception, i8* bitcast (%0* @_ZTI7test2_D to i8*), i8* null) noreturn
+// CHECK-NEXT:  unreachable
+
+
+struct test3_D {
+  test3_D() { }
+  test3_D(volatile test3_D&o);
+  virtual void bar();
+};
+
+void test3() {
+  throw (volatile test3_D *)0;
+}
+
+// CHECK:     define void @_Z5test3v() nounwind {
+// CHECK-NEXT: entry:
+// CHECK-NEXT:   %exception = call i8* @__cxa_allocate_exception(i64 8)
+// CHECK-NEXT:   %0 = bitcast i8* %exception to %struct.test3_D**
+// CHECK-NEXT:   store %struct.test3_D* null, %struct.test3_D** %0
+// CHECK-NEXT:   call void @__cxa_throw(i8* %exception, i8* bitcast (%1* @_ZTIPV7test3_D to i8*), i8* null) noreturn
+// CHECK-NEXT:   unreachable
+
+
+void test4() {
+  throw;
+}
+
+// CHECK:     define void @_Z5test4v() nounwind {
+// CHECK-NEXT: entry:
+// CHECK-NEXT:   call void @__cxa_rethrow() noreturn
+// CHECK-NEXT:   unreachable