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-rw-r--r--test/CodeGenCXX/exceptions-seh-filter-captures.cpp80
1 files changed, 80 insertions, 0 deletions
diff --git a/test/CodeGenCXX/exceptions-seh-filter-captures.cpp b/test/CodeGenCXX/exceptions-seh-filter-captures.cpp
new file mode 100644
index 000000000000..5df418a13ad8
--- /dev/null
+++ b/test/CodeGenCXX/exceptions-seh-filter-captures.cpp
@@ -0,0 +1,80 @@
+// RUN: %clang_cc1 -std=c++11 -fblocks -fms-extensions %s -triple=x86_64-windows-msvc -emit-llvm \
+// RUN: -o - -mconstructor-aliases -fcxx-exceptions -fexceptions | \
+// RUN: FileCheck %s --check-prefix=CHECK --check-prefix=CXXEH
+
+extern "C" int basic_filter(int v, ...);
+extern "C" void might_crash();
+
+extern "C" void test_freefunc(int p1) {
+ int l1 = 13;
+ static int s1 = 42;
+ __try {
+ might_crash();
+ } __except(basic_filter(p1, l1, s1)) {
+ }
+}
+
+// CHECK-LABEL: define void @test_freefunc(i32 %p1)
+// CHECK: @llvm.frameescape(i32* %[[p1_ptr:[^, ]*]], i32* %[[l1_ptr:[^, ]*]])
+// CHECK: store i32 %p1, i32* %[[p1_ptr]], align 4
+// CHECK: store i32 13, i32* %[[l1_ptr]], align 4
+// CHECK: invoke void @might_crash()
+
+// CHECK-LABEL: define internal i32 @"\01?filt$0@0@test_freefunc@@"(i8* %exception_pointers, i8* %frame_pointer)
+// CHECK: %[[p1_i8:[^ ]*]] = call i8* @llvm.framerecover(i8* bitcast (void (i32)* @test_freefunc to i8*), i8* %frame_pointer, i32 0)
+// CHECK: %[[p1_ptr:[^ ]*]] = bitcast i8* %[[p1_i8]] to i32*
+// CHECK: %[[l1_i8:[^ ]*]] = call i8* @llvm.framerecover(i8* bitcast (void (i32)* @test_freefunc to i8*), i8* %frame_pointer, i32 1)
+// CHECK: %[[l1_ptr:[^ ]*]] = bitcast i8* %[[l1_i8]] to i32*
+// CHECK: %[[s1:[^ ]*]] = load i32, i32* @"\01?s1@?1??test_freefunc@@9@4HA", align 4
+// CHECK: %[[l1:[^ ]*]] = load i32, i32* %[[l1_ptr]]
+// CHECK: %[[p1:[^ ]*]] = load i32, i32* %[[p1_ptr]]
+// CHECK: call i32 (i32, ...) @basic_filter(i32 %[[p1]], i32 %[[l1]], i32 %[[s1]])
+
+struct S {
+ int m1;
+ void test_method(void);
+};
+
+void S::test_method() {
+ int l1 = 13;
+ __try {
+ might_crash();
+ } __except(basic_filter(l1)) {
+ // FIXME: Test capturing 'this' and 'm1'.
+ }
+}
+
+// CHECK-LABEL: define void @"\01?test_method@S@@QEAAXXZ"(%struct.S* %this)
+// CHECK: @llvm.frameescape(i32* %[[l1_addr:[^, ]*]])
+// CHECK: store i32 13, i32* %[[l1_addr]], align 4
+// CHECK: invoke void @might_crash()
+
+// CHECK-LABEL: define internal i32 @"\01?filt$0@0@test_method@S@@"(i8* %exception_pointers, i8* %frame_pointer)
+// CHECK: %[[l1_i8:[^ ]*]] = call i8* @llvm.framerecover(i8* bitcast (void (%struct.S*)* @"\01?test_method@S@@QEAAXXZ" to i8*), i8* %frame_pointer, i32 0)
+// CHECK: %[[l1_ptr:[^ ]*]] = bitcast i8* %[[l1_i8]] to i32*
+// CHECK: %[[l1:[^ ]*]] = load i32, i32* %[[l1_ptr]]
+// CHECK: call i32 (i32, ...) @basic_filter(i32 %[[l1]])
+
+void test_lambda() {
+ int l1 = 13;
+ auto lambda = [&]() {
+ int l2 = 42;
+ __try {
+ might_crash();
+ } __except(basic_filter(l2)) {
+ // FIXME: Test 'l1' when we can capture the lambda's 'this' decl.
+ }
+ };
+ lambda();
+}
+
+// CHECK-LABEL: define internal void @"\01??R<lambda_0>@?test_lambda@@YAXXZ@QEBAXXZ"(%class.anon* %this)
+// CHECK: @llvm.frameescape(i32* %[[l2_addr:[^, ]*]])
+// CHECK: store i32 42, i32* %[[l2_addr]], align 4
+// CHECK: invoke void @might_crash()
+
+// CHECK-LABEL: define internal i32 @"\01?filt$0@0@?R<lambda_0>@?test_lambda@@YAXXZ@"(i8* %exception_pointers, i8* %frame_pointer)
+// CHECK: %[[l2_i8:[^ ]*]] = call i8* @llvm.framerecover(i8* bitcast (void (%class.anon*)* @"\01??R<lambda_0>@?test_lambda@@YAXXZ@QEBAXXZ" to i8*), i8* %frame_pointer, i32 0)
+// CHECK: %[[l2_ptr:[^ ]*]] = bitcast i8* %[[l2_i8]] to i32*
+// CHECK: %[[l2:[^ ]*]] = load i32, i32* %[[l2_ptr]]
+// CHECK: call i32 (i32, ...) @basic_filter(i32 %[[l2]])