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[SEH] Add test for inline functions using SEH helpers 

Such helpers should always be comdat with the parent function and have
internal linkage.

llvm-svn: 234618
This commit is contained in:
Reid Kleckner 2015-04-10 18:07:38 +00:00
parent 457bfc779a
commit 5522d815eb
1 changed files with 44 additions and 0 deletions
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44
clang/test/CodeGenCXX/exceptions-seh.cpp
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@ -5,6 +5,7 @@
// RUN: -o - -mconstructor-aliases -O1 -disable-llvm-optzns | \
// RUN: FileCheck %s --check-prefix=CHECK --check-prefix=NOCXX
extern "C" unsigned long _exception_code();
extern "C" void might_throw();
struct HasCleanup {
@ -95,4 +96,47 @@ void use_seh_in_lambda() {
// CHECK: invoke void @might_throw() #[[NOINLINE]]
// CHECK: landingpad { i8*, i32 } personality i8* bitcast (i32 (...)* @__C_specific_handler to i8*)
static int my_unique_global;
extern "C" inline void use_seh_in_inline_func() {
__try {
might_throw();
} __except(_exception_code() == 424242) {
}
__try {
might_throw();
} __finally {
my_unique_global = 1234;
}
}
void use_inline() {
use_seh_in_inline_func();
}
// CHECK-LABEL: define linkonce_odr void @use_seh_in_inline_func() #{{[0-9]+}} comdat {
// CHECK: invoke void @might_throw()
//
// CHECK: landingpad { i8*, i32 } personality i8* bitcast (i32 (...)* @__C_specific_handler to i8*)
// CHECK-NEXT: catch i8* bitcast (i32 (i8*, i8*)* @"\01?filt$0@0@use_seh_in_inline_func@@" to i8*)
//
// CHECK: invoke void @might_throw()
//
// CHECK: %[[fp:[^ ]*]] = call i8* @llvm.frameaddress(i32 0)
// CHECK: call void @"\01?fin$0@0@use_seh_in_inline_func@@"(i1 zeroext false, i8* %[[fp]])
// CHECK: ret void
//
// CHECK: landingpad { i8*, i32 } personality i8* bitcast (i32 (...)* @__C_specific_handler to i8*)
// CHECK-NEXT: cleanup
// CHECK: %[[fp:[^ ]*]] = call i8* @llvm.frameaddress(i32 0)
// CHECK: call void @"\01?fin$0@0@use_seh_in_inline_func@@"(i1 zeroext true, i8* %[[fp]])
// CHECK-LABEL: define internal i32 @"\01?filt$0@0@use_seh_in_inline_func@@"(i8* %exception_pointers, i8* %frame_pointer) #{{[0-9]+}} comdat($use_seh_in_inline_func)
// CHECK: icmp eq i32 %{{.*}}, 424242
// CHECK: zext i1 %{{.*}} to i32
// CHECK: ret i32
// CHECK-LABEL: define internal void @"\01?fin$0@0@use_seh_in_inline_func@@"(i1 zeroext %abnormal_termination, i8* %frame_pointer) #{{[0-9]+}} comdat($use_seh_in_inline_func)
// CHECK: store i32 1234, i32* @my_unique_global
// CHECK: attributes #[[NOINLINE]] = { {{.*noinline.*}} }