| // 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 [] |
| // 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 [] |
| // 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; |
| } |