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| author | Richard Smith <richard-llvm@metafoo.co.uk> | 2013-04-19 16:42:07 +0000 |
|---|---|---|
| committer | Richard Smith <richard-llvm@metafoo.co.uk> | 2013-04-19 16:42:07 +0000 |
| commit | b80a16eadd0dacabfc1c32412e243ccb99dd664d (patch) | |
| tree | a32d6882fb51f1dac98aa71110dad1c40b9aa6ca /test/CodeGenCXX/cxx11-thread-local-reference.cpp | |
| parent | 044fe23e79fff3841cc4c315f8c97e1cdccdd8dd (diff) | |
Implement CodeGen for C++11 thread_local, following the Itanium ABI specification as discussed on cxx-abi-dev.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@179858 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 | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/test/CodeGenCXX/cxx11-thread-local-reference.cpp b/test/CodeGenCXX/cxx11-thread-local-reference.cpp new file mode 100644 index 0000000000..2ea9acda48 --- /dev/null +++ b/test/CodeGenCXX/cxx11-thread-local-reference.cpp @@ -0,0 +1,26 @@ +// RUN: %clang_cc1 -std=c++11 -emit-llvm %s -o - -triple x86_64-linux-gnu | FileCheck %s + +int &f(); + +// CHECK: @r = thread_local global i32* null +thread_local int &r = f(); + +// CHECK: @_ZTH1r = alias void ()* @__tls_init + +int &g() { return r; } + +// CHECK: define {{.*}} @[[R_INIT:.*]]() +// CHECK: call i32* @_Z1fv() +// CHECK: store i32* %{{.*}}, i32** @r, align 8 + +// CHECK: define i32* @_Z1gv() +// CHECK: call i32* @_ZTW1r() +// CHECK: ret i32* %{{.*}} + +// CHECK: define weak_odr hidden i32* @_ZTW1r() { +// CHECK: call void @_ZTH1r() +// CHECK: load i32** @r, align 8 +// CHECK: ret i32* %{{.*}} + +// CHECK: define internal void @__tls_init() +// CHECK: call void @[[R_INIT]]() |