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| author | Manman Ren <manman.ren@gmail.com> | 2015-11-11 22:42:31 +0000 |
|---|---|---|
| committer | Manman Ren <manman.ren@gmail.com> | 2015-11-11 22:42:31 +0000 |
| commit | ff855dea215a5fdb7478c49bf0ab183a420deb59 (patch) | |
| tree | 14c469bb8a807686596e8286c84aa1cce4d2d911 /test/CodeGenCXX/cxx11-thread-local-reference.cpp | |
| parent | 3f780d757ea28d90adba820d20b5182f0482278f (diff) | |
[TLS on Darwin] change how we handle globals with linkonce or weak linkage.
This is about how we handle static member of a template. Before this commit,
we use internal linkage for the IR thread-local variable, which is inefficient.
With this commit, we will start to follow Itanium C++ ABI.
rdar://problem/23415206
Reviewed by John McCall.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@252814 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/CodeGenCXX/cxx11-thread-local-reference.cpp')
| -rw-r--r-- | test/CodeGenCXX/cxx11-thread-local-reference.cpp | 12 |
1 files changed, 8 insertions, 4 deletions
diff --git a/test/CodeGenCXX/cxx11-thread-local-reference.cpp b/test/CodeGenCXX/cxx11-thread-local-reference.cpp index 2d74120000..a1efd1adb3 100644 --- a/test/CodeGenCXX/cxx11-thread-local-reference.cpp +++ b/test/CodeGenCXX/cxx11-thread-local-reference.cpp @@ -1,11 +1,14 @@ -// 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 -emit-llvm %s -o - -triple x86_64-apple-darwin12 | FileCheck --check-prefix=CHECK --check-prefix=DARWIN %s int &f(); -// CHECK: @r = thread_local global i32* null +// LINUX: @r = thread_local global i32* null +// DARWIN: @r = internal thread_local global i32* null thread_local int &r = f(); -// CHECK: @_ZTH1r = alias void (), void ()* @__tls_init +// LINUX: @_ZTH1r = alias void (), void ()* @__tls_init +// DARWIN: @_ZTH1r = internal alias void (), void ()* @__tls_init int &g() { return r; } @@ -17,7 +20,8 @@ int &g() { return r; } // CHECK: call i32* @_ZTW1r() // CHECK: ret i32* %{{.*}} -// CHECK: define weak_odr hidden i32* @_ZTW1r() { +// LINUX: define weak_odr hidden i32* @_ZTW1r() { +// DARWIN: define i32* @_ZTW1r() { // CHECK: call void @_ZTH1r() // CHECK: load i32*, i32** @r, align 8 // CHECK: ret i32* %{{.*}} |