Make bugpoint dead-argument-hacking actually work, and actually test it.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@105551 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Transforms/IPO/DeadArgumentElimination.cpp b/lib/Transforms/IPO/DeadArgumentElimination.cpp
index 692e47d..475eee8 100644
--- a/lib/Transforms/IPO/DeadArgumentElimination.cpp
+++ b/lib/Transforms/IPO/DeadArgumentElimination.cpp
@@ -120,9 +120,14 @@
typedef SmallVector<RetOrArg, 5> UseVector;
+ protected:
+ // DAH uses this to specify a different ID.
+ explicit DAE(void *ID) : ModulePass(ID) {}
+
public:
static char ID; // Pass identification, replacement for typeid
DAE() : ModulePass(&ID) {}
+
bool runOnModule(Module &M);
virtual bool ShouldHackArguments() const { return false; }
@@ -155,6 +160,8 @@
/// by bugpoint.
struct DAH : public DAE {
static char ID;
+ DAH() : DAE(&ID) {}
+
virtual bool ShouldHackArguments() const { return true; }
};
}