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2009 Mar 11
3
[LLVMdev] opt -O2/-O3 does not Initialize pass?
..."-O1" or less, everything works fine. However, If I call
opt with "-O2" or "-O3" then as soon as runOnFunction() is called, the
pointer seems to be NULL. Here is a code that shows the problem:
namespace {
struct InitTest : public FunctionPass {
Constant *someF;
public:
static char ID; // Pass identification, replacement for typeid
InitTest() : FunctionPass(&ID) {}
virtual bool doInitialization(Module &mdl) {
someF = mdl.getOrInsertFunction("test",
/* return type */ Type::VoidTy,...