#include "llvm/Transforms/Utils/Local.h"
#include "llvm/Constants.h"
#include "llvm/Instructions.h"
+#include "llvm/IntrinsicInst.h"
#include "llvm/Module.h"
#include "llvm/Attributes.h"
#include "llvm/Support/CFG.h"
// Check for something else in the block.
BasicBlock::iterator I = Ret;
--I;
- if (!isa<PHINode>(I) || I != BB.begin() ||
- Ret->getNumOperands() == 0 ||
- Ret->getOperand(0) != I)
+ // Skip over debug info.
+ while (isa<DbgInfoIntrinsic>(I) && I != BB.begin())
+ --I;
+ if (!isa<DbgInfoIntrinsic>(I) &&
+ (!isa<PHINode>(I) || I != BB.begin() ||
+ Ret->getNumOperands() == 0 ||
+ Ret->getOperand(0) != I))
continue;
}
-
+
// If this is the first returning block, remember it and keep going.
if (RetBlock == 0) {
RetBlock = &BB;