unsigned NextID;
};
+
+// Internal MemorySSA utils, for use by MemorySSA classes and walkers
+class MemorySSAUtil
+{
+protected:
+ friend class MemorySSAWalker;
+ friend class GVNHoist;
+ // This function should not be used by new passes.
+ static bool defClobbersUseOrDef(MemoryDef *MD, const MemoryUseOrDef *MU,
+ AliasAnalysis &AA);
+};
+
// This pass does eager building and then printing of MemorySSA. It is used by
// the tests to be able to build, dump, and verify Memory SSA.
class MemorySSAPrinterLegacyPass : public FunctionPass {
inline upward_defs_iterator upward_defs_end() { return upward_defs_iterator(); }
-// Return true when MD may alias MU, return false otherwise.
-bool defClobbersUseOrDef(MemoryDef *MD, const MemoryUseOrDef *MU,
- AliasAnalysis &AA);
-
} // end namespace llvm
#endif // LLVM_TRANSFORMS_UTILS_MEMORYSSA_H
cl::desc("Maximum length of dependent chains to hoist "
"(default = 10, unlimited = -1)"));
-namespace {
+namespace llvm {
// Provides a sorting function based on the execution order of two instructions.
struct SortByDFSIn {
ReachedNewPt = true;
}
}
- if (defClobbersUseOrDef(Def, MU, *AA))
+ if (MemorySSAUtil::defClobbersUseOrDef(Def, MU, *AA))
return true;
}
}
// Return true when MD may alias MU, return false otherwise.
-bool defClobbersUseOrDef(MemoryDef *MD, const MemoryUseOrDef *MU,
- AliasAnalysis &AA) {
+bool MemorySSAUtil::defClobbersUseOrDef(MemoryDef *MD, const MemoryUseOrDef *MU,
+ AliasAnalysis &AA) {
return instructionClobbersQuery(MD, MU, MemoryLocOrCall(MU), AA);
}
}