forked from OSchip/llvm-project
89 lines
3.9 KiB
C++
89 lines
3.9 KiB
C++
// RUN: %clang_cc1 -fexceptions -fcxx-exceptions -fms-extensions -fms-compatibility -fms-compatibility-version=19 -std=c++11 -emit-llvm %s -o - -triple=i386-pc-win32 | FileCheck %s
|
|
// REQUIRES: asserts
|
|
|
|
struct S {
|
|
S();
|
|
~S();
|
|
};
|
|
|
|
// CHECK-DAG: @"\01?s@?1??f@@YAAAUS@@XZ@4U2@A" = linkonce_odr thread_local global %struct.S zeroinitializer
|
|
// CHECK-DAG: @"\01??__J?1??f@@YAAAUS@@XZ@51" = linkonce_odr thread_local global i32 0
|
|
// CHECK-DAG: @"\01?s@?1??g@@YAAAUS@@XZ@4U2@A" = linkonce_odr global %struct.S zeroinitializer
|
|
// CHECK-DAG: @"\01?$TSS0@?1??g@@YAAAUS@@XZ" = linkonce_odr global i32 0
|
|
// CHECK-DAG: @_Init_thread_epoch = external thread_local global i32, align 4
|
|
// CHECK-DAG: @"\01?j@?1??h@@YAAAUS@@_N@Z@4U2@A" = linkonce_odr thread_local global %struct.S zeroinitializer
|
|
// CHECK-DAG: @"\01??__J?1??h@@YAAAUS@@_N@Z@51" = linkonce_odr thread_local global i32 0
|
|
// CHECK-DAG: @"\01?i@?1??h@@YAAAUS@@_N@Z@4U2@A" = linkonce_odr global %struct.S zeroinitializer
|
|
// CHECK-DAG: @"\01?$TSS0@?1??h@@YAAAUS@@_N@Z" = linkonce_odr global i32 0
|
|
|
|
// CHECK-LABEL: define {{.*}} @"\01?f@@YAAAUS@@XZ"()
|
|
// CHECK-SAME: personality i8* bitcast (i32 (...)* @__CxxFrameHandler3 to i8*)
|
|
extern inline S &f() {
|
|
static thread_local S s;
|
|
// CHECK: %[[guard:.*]] = load i32, i32* @"\01??__J?1??f@@YAAAUS@@XZ@51"
|
|
// CHECK-NEXT: %[[mask:.*]] = and i32 %[[guard]], 1
|
|
// CHECK-NEXT: %[[cmp:.*]] = icmp ne i32 %[[mask]], 0
|
|
// CHECK-NEXT: br i1 %[[cmp]], label %[[init_end:.*]], label %[[init:.*]]
|
|
//
|
|
// CHECK: [[init]]:
|
|
// CHECK-NEXT: %[[or:.*]] = or i32 %[[guard]], 1
|
|
// CHECK-NEXT: store i32 %[[or]], i32* @"\01??__J?1??f@@YAAAUS@@XZ@51"
|
|
// CHECK-NEXT: invoke {{.*}} @"\01??0S@@QAE@XZ"(%struct.S* @"\01?s@?1??f@@YAAAUS@@XZ@4U2@A")
|
|
// CHECK-NEXT: to label %[[invoke_cont:.*]] unwind label %[[lpad:.*]]
|
|
//
|
|
// CHECK: [[invoke_cont]]:
|
|
// CHECK-NEXT: call i32 @__tlregdtor(void ()* @"\01??__Fs@?1??f@@YAAAUS@@XZ@YAXXZ")
|
|
// CHECK-NEXT: br label %[[init_end:.*]]
|
|
|
|
// CHECK: [[init_end]]:
|
|
// CHECK-NEXT: ret %struct.S* @"\01?s@?1??f@@YAAAUS@@XZ@4U2@A"
|
|
|
|
// CHECK: [[lpad:.*]]:
|
|
// CHECK-NEXT: cleanuppad within none []
|
|
// CHECK: %[[guard:.*]] = load i32, i32* @"\01??__J?1??f@@YAAAUS@@XZ@51"
|
|
// CHECK-NEXT: %[[mask:.*]] = and i32 %[[guard]], -2
|
|
// CHECK-NEXT: store i32 %[[mask]], i32* @"\01??__J?1??f@@YAAAUS@@XZ@51"
|
|
// CHECK-NEXT: cleanupret {{.*}} unwind to caller
|
|
return s;
|
|
}
|
|
|
|
|
|
// CHECK-LABEL: define {{.*}} @"\01?g@@YAAAUS@@XZ"()
|
|
extern inline S &g() {
|
|
static S s;
|
|
// CHECK: %[[guard:.*]] = load atomic i32, i32* @"\01?$TSS0@?1??g@@YAAAUS@@XZ" unordered, align 4
|
|
// CHECK-NEXT: %[[epoch:.*]] = load i32, i32* @_Init_thread_epoch
|
|
// CHECK-NEXT: %[[cmp:.*]] = icmp sgt i32 %[[guard]], %[[epoch]]
|
|
// CHECK-NEXT: br i1 %[[cmp]], label %[[init_attempt:.*]], label %[[init_end:.*]]
|
|
//
|
|
// CHECK: [[init_attempt]]:
|
|
// CHECK-NEXT: call void @_Init_thread_header(i32* @"\01?$TSS0@?1??g@@YAAAUS@@XZ")
|
|
// CHECK-NEXT: %[[guard2:.*]] = load atomic i32, i32* @"\01?$TSS0@?1??g@@YAAAUS@@XZ" unordered, align 4
|
|
// CHECK-NEXT: %[[cmp2:.*]] = icmp eq i32 %[[guard2]], -1
|
|
// CHECK-NEXT: br i1 %[[cmp2]], label %[[init:.*]], label %[[init_end:.*]]
|
|
//
|
|
// CHECK: [[init]]:
|
|
// CHECK-NEXT: invoke {{.*}} @"\01??0S@@QAE@XZ"(%struct.S* @"\01?s@?1??g@@YAAAUS@@XZ@4U2@A")
|
|
// CHECK-NEXT: to label %[[invoke_cont:.*]] unwind label %[[lpad:.*]]
|
|
//
|
|
// CHECK: [[invoke_cont]]:
|
|
// CHECK-NEXT: call i32 @atexit(void ()* @"\01??__Fs@?1??g@@YAAAUS@@XZ@YAXXZ")
|
|
// CHECK-NEXT: call void @_Init_thread_footer(i32* @"\01?$TSS0@?1??g@@YAAAUS@@XZ")
|
|
// CHECK-NEXT: br label %init.end
|
|
//
|
|
// CHECK: [[init_end]]:
|
|
// CHECK-NEXT: ret %struct.S* @"\01?s@?1??g@@YAAAUS@@XZ@4U2@A"
|
|
//
|
|
// CHECK: [[lpad]]:
|
|
// CHECK-NEXT: cleanuppad within none []
|
|
// CHECK: call void @_Init_thread_abort(i32* @"\01?$TSS0@?1??g@@YAAAUS@@XZ")
|
|
// CHECK-NEXT: cleanupret {{.*}} unwind to caller
|
|
return s;
|
|
}
|
|
|
|
extern inline S&h(bool b) {
|
|
static thread_local S j;
|
|
static S i;
|
|
return b ? j : i;
|
|
}
|