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Diffstat (limited to 'test/CodeGenCXX/cxx11-thread-local.cpp')
-rw-r--r--test/CodeGenCXX/cxx11-thread-local.cpp85
1 files changed, 59 insertions, 26 deletions
diff --git a/test/CodeGenCXX/cxx11-thread-local.cpp b/test/CodeGenCXX/cxx11-thread-local.cpp
index 9b16319088c00..b5bcc5e23ecd0 100644
--- a/test/CodeGenCXX/cxx11-thread-local.cpp
+++ b/test/CodeGenCXX/cxx11-thread-local.cpp
@@ -1,9 +1,13 @@
-// RUN: %clang_cc1 -std=c++11 -emit-llvm %s -o - -triple x86_64-linux-gnu | FileCheck %s
+// RUN: %clang_cc1 -std=c++11 -emit-llvm %s -o - -triple x86_64-linux-gnu | FileCheck --check-prefix=CHECK --check-prefix=LINUX %s
+// RUN: %clang_cc1 -std=c++11 -femulated-tls -emit-llvm %s -o - \
+// RUN: -triple x86_64-linux-gnu 2>&1 | FileCheck --check-prefix=CHECK --check-prefix=LINUX %s
+// RUN: %clang_cc1 -std=c++11 -emit-llvm %s -o - -triple x86_64-apple-darwin12 | FileCheck --check-prefix=CHECK --check-prefix=DARWIN %s
int f();
int g();
-// CHECK: @a = thread_local global i32 0
+// LINUX: @a = thread_local global i32 0
+// DARWIN: @a = internal thread_local global i32 0
thread_local int a = f();
extern thread_local int b;
// CHECK: @c = global i32 0
@@ -12,9 +16,22 @@ int c = b;
static thread_local int d = g();
struct U { static thread_local int m; };
-// CHECK: @_ZN1U1mE = thread_local global i32 0
+// LINUX: @_ZN1U1mE = thread_local global i32 0
+// DARWIN: @_ZN1U1mE = internal thread_local global i32 0
thread_local int U::m = f();
+namespace MismatchedInitType {
+ // Check that we don't crash here when we're forced to create a new global
+ // variable (with a different type) when we add the initializer.
+ union U {
+ int a;
+ float f;
+ constexpr U() : f(0.0) {}
+ };
+ static thread_local U u;
+ void *p = &u;
+}
+
template<typename T> struct V { static thread_local int m; };
template<typename T> thread_local int V<T>::m = g();
@@ -43,10 +60,12 @@ int e = V<int>::m;
// CHECK: @llvm.global_ctors = appending global {{.*}} @[[GLOBAL_INIT:[^ ]*]]
-// CHECK: @_ZTH1a = alias void ()* @__tls_init
-// CHECK: @_ZTHL1d = internal alias void ()* @__tls_init
-// CHECK: @_ZTHN1U1mE = alias void ()* @__tls_init
-// CHECK: @_ZTHN1VIiE1mE = linkonce_odr alias void ()* @__tls_init
+// LINUX: @_ZTH1a = alias void (), void ()* @__tls_init
+// DARWIN: @_ZTH1a = internal alias void (), void ()* @__tls_init
+// CHECK: @_ZTHL1d = internal alias void (), void ()* @__tls_init
+// LINUX: @_ZTHN1U1mE = alias void (), void ()* @__tls_init
+// DARWIN: @_ZTHN1U1mE = internal alias void (), void ()* @__tls_init
+// CHECK: @_ZTHN1VIiE1mE = linkonce_odr alias void (), void ()* @__tls_init
// Individual variable initialization functions:
@@ -72,17 +91,20 @@ int f() {
}
// CHECK: define {{.*}} @[[C_INIT:.*]]()
-// CHECK: call i32* @_ZTW1b()
+// LINUX: call i32* @_ZTW1b()
+// DARWIN: call cxx_fast_tlscc i32* @_ZTW1b()
// CHECK-NEXT: load i32, i32* %{{.*}}, align 4
// CHECK-NEXT: store i32 %{{.*}}, i32* @c, align 4
-// CHECK-LABEL: define weak_odr hidden i32* @_ZTW1b()
-// CHECK: br i1 icmp ne (void ()* @_ZTH1b, void ()* null),
+// LINUX-LABEL: define weak_odr hidden i32* @_ZTW1b()
+// LINUX: br i1 icmp ne (void ()* @_ZTH1b, void ()* null),
// not null:
-// CHECK: call void @_ZTH1b()
-// CHECK: br label
+// LINUX: call void @_ZTH1b()
+// LINUX: br label
// finally:
-// CHECK: ret i32* @b
+// LINUX: ret i32* @b
+// DARWIN-LABEL: declare cxx_fast_tlscc i32* @_ZTW1b()
+// There is no definition of the thread wrapper on Darwin for external TLV.
// CHECK: define {{.*}} @[[D_INIT:.*]]()
// CHECK: call i32 @_Z1gv()
@@ -93,11 +115,13 @@ int f() {
// CHECK-NEXT: store i32 %{{.*}}, i32* @_ZN1U1mE, align 4
// CHECK: define {{.*}} @[[E_INIT:.*]]()
-// CHECK: call i32* @_ZTWN1VIiE1mE()
+// LINUX: call i32* @_ZTWN1VIiE1mE()
+// DARWIN: call cxx_fast_tlscc i32* @_ZTWN1VIiE1mE()
// CHECK-NEXT: load i32, i32* %{{.*}}, align 4
// CHECK-NEXT: store i32 %{{.*}}, i32* @e, align 4
-// CHECK-LABEL: define weak_odr hidden i32* @_ZTWN1VIiE1mE()
+// LINUX-LABEL: define weak_odr hidden i32* @_ZTWN1VIiE1mE()
+// DARWIN-LABEL: define weak_odr hidden cxx_fast_tlscc i32* @_ZTWN1VIiE1mE()
// CHECK: call void @_ZTHN1VIiE1mE()
// CHECK: ret i32* @_ZN1VIiE1mE
@@ -109,24 +133,28 @@ struct T { ~T(); };
void tls_dtor() {
// CHECK: load i8, i8* @_ZGVZ8tls_dtorvE1s
// CHECK: call void @_ZN1SC1Ev(%struct.S* @_ZZ8tls_dtorvE1s)
- // CHECK: call i32 @__cxa_thread_atexit({{.*}}@_ZN1SD1Ev {{.*}} @_ZZ8tls_dtorvE1s{{.*}} @__dso_handle
+ // LINUX: call i32 @__cxa_thread_atexit({{.*}}@_ZN1SD1Ev {{.*}} @_ZZ8tls_dtorvE1s{{.*}} @__dso_handle
+ // DARWIN: call i32 @_tlv_atexit({{.*}}@_ZN1SD1Ev {{.*}} @_ZZ8tls_dtorvE1s{{.*}} @__dso_handle
// CHECK: store i8 1, i8* @_ZGVZ8tls_dtorvE1s
static thread_local S s;
// CHECK: load i8, i8* @_ZGVZ8tls_dtorvE1t
// CHECK-NOT: _ZN1T
- // CHECK: call i32 @__cxa_thread_atexit({{.*}}@_ZN1TD1Ev {{.*}}@_ZZ8tls_dtorvE1t{{.*}} @__dso_handle
+ // LINUX: call i32 @__cxa_thread_atexit({{.*}}@_ZN1TD1Ev {{.*}}@_ZZ8tls_dtorvE1t{{.*}} @__dso_handle
+ // DARWIN: call i32 @_tlv_atexit({{.*}}@_ZN1TD1Ev {{.*}}@_ZZ8tls_dtorvE1t{{.*}} @__dso_handle
// CHECK: store i8 1, i8* @_ZGVZ8tls_dtorvE1t
static thread_local T t;
// CHECK: load i8, i8* @_ZGVZ8tls_dtorvE1u
// CHECK: call void @_ZN1SC1Ev(%struct.S* @_ZGRZ8tls_dtorvE1u_)
- // CHECK: call i32 @__cxa_thread_atexit({{.*}}@_ZN1SD1Ev {{.*}} @_ZGRZ8tls_dtorvE1u_{{.*}} @__dso_handle
+ // LINUX: call i32 @__cxa_thread_atexit({{.*}}@_ZN1SD1Ev {{.*}} @_ZGRZ8tls_dtorvE1u_{{.*}} @__dso_handle
+ // DARWIN: call i32 @_tlv_atexit({{.*}}@_ZN1SD1Ev {{.*}} @_ZGRZ8tls_dtorvE1u_{{.*}} @__dso_handle
// CHECK: store i8 1, i8* @_ZGVZ8tls_dtorvE1u
static thread_local const S &u = S();
}
-// CHECK: declare i32 @__cxa_thread_atexit(void (i8*)*, i8*, i8*)
+// LINUX: declare i32 @__cxa_thread_atexit(void (i8*)*, i8*, i8*)
+// DARWIN: declare i32 @_tlv_atexit(void (i8*)*, i8*, i8*)
// CHECK: define {{.*}} @_Z7PR15991v(
int PR15991() {
@@ -141,7 +169,8 @@ struct PR19254 {
};
// CHECK: define {{.*}} @_ZN7PR192541fEv(
int PR19254::f() {
- // CHECK: call void @_ZTHN7PR192541nE(
+ // LINUX: call void @_ZTHN7PR192541nE(
+ // DARWIN: call cxx_fast_tlscc i32* @_ZTWN7PR192541nE(
return this->n;
}
@@ -151,7 +180,8 @@ thread_local int anon_i{1};
void set_anon_i() {
anon_i = 2;
}
-// CHECK-LABEL: define internal i32* @_ZTWN12_GLOBAL__N_16anon_iE()
+// LINUX-LABEL: define internal i32* @_ZTWN12_GLOBAL__N_16anon_iE()
+// DARWIN-LABEL: define internal cxx_fast_tlscc i32* @_ZTWN12_GLOBAL__N_16anon_iE()
// CHECK: define {{.*}} @[[V_M_INIT:.*]]()
// CHECK: load i8, i8* bitcast (i64* @_ZGVN1VIiE1mE to i8*)
@@ -171,28 +201,31 @@ void set_anon_i() {
// CHECK: define {{.*}}@__tls_init()
// CHECK: load i8, i8* @__tls_guard
// CHECK: %[[NEED_TLS_INIT:.*]] = icmp eq i8 %{{.*}}, 0
-// CHECK: store i8 1, i8* @__tls_guard
// CHECK: br i1 %[[NEED_TLS_INIT]],
// init:
+// CHECK: store i8 1, i8* @__tls_guard
// CHECK: call void @[[A_INIT]]()
// CHECK: call void @[[D_INIT]]()
// CHECK: call void @[[U_M_INIT]]()
// CHECK: call void @[[V_M_INIT]]()
-// CHECK: define weak_odr hidden i32* @_ZTW1a() {
+// LIUNX: define weak_odr hidden i32* @_ZTW1a() {
+// DARWIN: define cxx_fast_tlscc i32* @_ZTW1a()
// CHECK: call void @_ZTH1a()
// CHECK: ret i32* @a
// CHECK: }
-// CHECK: declare extern_weak void @_ZTH1b()
+// LINUX: declare extern_weak void @_ZTH1b()
-// CHECK-LABEL: define internal i32* @_ZTWL1d()
+// LINUX-LABEL: define internal i32* @_ZTWL1d()
+// DARWIN-LABEL: define internal cxx_fast_tlscc i32* @_ZTWL1d()
// CHECK: call void @_ZTHL1d()
// CHECK: ret i32* @_ZL1d
-// CHECK-LABEL: define weak_odr hidden i32* @_ZTWN1U1mE()
+// LINUX-LABEL: define weak_odr hidden i32* @_ZTWN1U1mE()
+// DARWIN-LABEL: define cxx_fast_tlscc i32* @_ZTWN1U1mE()
// CHECK: call void @_ZTHN1U1mE()
// CHECK: ret i32* @_ZN1U1mE
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