diff options
| author | Devang Patel <dpatel@apple.com> | 2007-12-20 00:24:01 +0000 |
|---|---|---|
| committer | Devang Patel <dpatel@apple.com> | 2007-12-20 00:24:01 +0000 |
| commit | e3611871cb5430f9c958cab1be7ef2e0778b3241 (patch) | |
| tree | ce447bc515fd903294fa31e457ab59992c2547fb | |
| parent | 1475142b93a618da72ec471e5ad7c1510c2feb37 (diff) | |
Add lto version check mechanism.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45238 91177308-0d34-0410-b5e6-96231b3b80d8
| -rw-r--r-- | include/llvm/LinkTimeOptimizer.h | 4 | ||||
| -rw-r--r-- | tools/lto/lto.cpp | 5 |
2 files changed, 7 insertions, 2 deletions
diff --git a/include/llvm/LinkTimeOptimizer.h b/include/llvm/LinkTimeOptimizer.h index 164232d209..fe87ae0acb 100644 --- a/include/llvm/LinkTimeOptimizer.h +++ b/include/llvm/LinkTimeOptimizer.h @@ -20,6 +20,8 @@ #include <set> #include <llvm/ADT/hash_map> +#define LLVM_LTO_VERSION 1 + namespace llvm { class Module; @@ -148,6 +150,6 @@ namespace llvm { /// linker to use dlopen() interface to dynamically load LinkTimeOptimizer. /// extern "C" helps, because dlopen() interface uses name to find the symbol. extern "C" -llvm::LinkTimeOptimizer *createLLVMOptimizer(); +llvm::LinkTimeOptimizer *createLLVMOptimizer(unsigned VERSION = LLVM_LTO_VERSION); #endif diff --git a/tools/lto/lto.cpp b/tools/lto/lto.cpp index e7e00e7f62..bc752340d5 100644 --- a/tools/lto/lto.cpp +++ b/tools/lto/lto.cpp @@ -45,8 +45,11 @@ using namespace llvm; extern "C" -llvm::LinkTimeOptimizer *createLLVMOptimizer() +llvm::LinkTimeOptimizer *createLLVMOptimizer(unsigned VERSION) { + if (VERSION != LLVM_LTO_VERSION) + return NULL; + llvm::LTO *l = new llvm::LTO(); return l; } |