diff options
Diffstat (limited to 'lib/ExecutionEngine/ExecutionEngine.cpp')
| -rw-r--r-- | lib/ExecutionEngine/ExecutionEngine.cpp | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/lib/ExecutionEngine/ExecutionEngine.cpp b/lib/ExecutionEngine/ExecutionEngine.cpp index ab56f592b0..5cd83ff51a 100644 --- a/lib/ExecutionEngine/ExecutionEngine.cpp +++ b/lib/ExecutionEngine/ExecutionEngine.cpp @@ -103,7 +103,11 @@ static void *CreateArgv(ExecutionEngine *EE, void ExecutionEngine::runStaticConstructorsDestructors(bool isDtors) { const char *Name = isDtors ? "llvm.global_dtors" : "llvm.global_ctors"; GlobalVariable *GV = CurMod.getNamedGlobal(Name); - if (!GV || GV->isExternal() || !GV->hasInternalLinkage()) return; + + // If this global has internal linkage, or if it has a use, then it must be + // an old-style (llvmgcc3) static ctor with __main linked in and in use. If + // this is the case, don't execute any of the global ctors, __main will do it. + if (!GV || GV->isExternal() || GV->hasInternalLinkage()) return; // Should be an array of '{ int, void ()* }' structs. The first value is the // init priority, which we ignore. |