diff options
Diffstat (limited to 'clang/test/CodeGenCXX/trivial-auto-var-init-attribute.cpp')
| -rw-r--r-- | clang/test/CodeGenCXX/trivial-auto-var-init-attribute.cpp | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/clang/test/CodeGenCXX/trivial-auto-var-init-attribute.cpp b/clang/test/CodeGenCXX/trivial-auto-var-init-attribute.cpp new file mode 100644 index 00000000000..e7c9e9ac2a5 --- /dev/null +++ b/clang/test/CodeGenCXX/trivial-auto-var-init-attribute.cpp @@ -0,0 +1,23 @@ +// RUN: %clang_cc1 -triple x86_64-unknown-unknown -fblocks %s -emit-llvm -o - | FileCheck %s -check-prefix=UNINIT +// RUN: %clang_cc1 -triple x86_64-unknown-unknown -fblocks -ftrivial-auto-var-init=pattern %s -emit-llvm -o - | FileCheck %s -check-prefix=PATTERN +// RUN: %clang_cc1 -triple x86_64-unknown-unknown -fblocks -ftrivial-auto-var-init=zero %s -emit-llvm -o - | FileCheck %s -check-prefix=ZERO + +template<typename T> void used(T &) noexcept; + +extern "C" { + +// UNINIT-LABEL: test_attribute_uninitialized( +// UNINIT: alloca +// UNINIT-NEXT: call void +// ZERO-LABEL: test_attribute_uninitialized( +// ZERO: alloca +// ZERO-NEXT: call void +// PATTERN-LABEL: test_attribute_uninitialized( +// PATTERN: alloca +// PATTERN-NEXT: call void +void test_attribute_uninitialized() { + [[clang::uninitialized]] int i; + used(i); +} + +} // extern "C" |
