diff options
Diffstat (limited to 'llvm/docs')
| -rw-r--r-- | llvm/docs/LangRef.rst | 34 |
1 files changed, 21 insertions, 13 deletions
diff --git a/llvm/docs/LangRef.rst b/llvm/docs/LangRef.rst index 54b606d037a..d2f9a1d4f16 100644 --- a/llvm/docs/LangRef.rst +++ b/llvm/docs/LangRef.rst @@ -3152,14 +3152,18 @@ The '``llvm.global_ctors``' Global Variable .. code-block:: llvm - %0 = type { i32, void ()* } - @llvm.global_ctors = appending global [1 x %0] [%0 { i32 65535, void ()* @ctor }] + %0 = type { i32, void ()*, i8* } + @llvm.global_ctors = appending global [1 x %0] [%0 { i32 65535, void ()* @ctor, i8* @data }] The ``@llvm.global_ctors`` array contains a list of constructor -functions and associated priorities. The functions referenced by this -array will be called in ascending order of priority (i.e. lowest first) -when the module is loaded. The order of functions with the same priority -is not defined. +functions, priorities, and an optional associated global or function. +The functions referenced by this array will be called in ascending order +of priority (i.e. lowest first) when the module is loaded. The order of +functions with the same priority is not defined. + +If the third field is present, non-null, and points to a global variable +or function, the initializer function will only run if the associated +data from the current module is not discarded. .. _llvmglobaldtors: @@ -3168,14 +3172,18 @@ The '``llvm.global_dtors``' Global Variable .. code-block:: llvm - %0 = type { i32, void ()* } - @llvm.global_dtors = appending global [1 x %0] [%0 { i32 65535, void ()* @dtor }] + %0 = type { i32, void ()*, i8* } + @llvm.global_dtors = appending global [1 x %0] [%0 { i32 65535, void ()* @dtor, i8* @data }] + +The ``@llvm.global_dtors`` array contains a list of destructor +functions, priorities, and an optional associated global or function. +The functions referenced by this array will be called in descending +order of priority (i.e. highest first) when the module is loaded. The +order of functions with the same priority is not defined. -The ``@llvm.global_dtors`` array contains a list of destructor functions -and associated priorities. The functions referenced by this array will -be called in descending order of priority (i.e. highest first) when the -module is loaded. The order of functions with the same priority is not -defined. +If the third field is present, non-null, and points to a global variable +or function, the destructor function will only run if the associated +data from the current module is not discarded. Instruction Reference ===================== |
