cmmToZgraph :: GenCmm d h (ListGraph CmmStmt) -> UniqSM (GenCmm d h (CmmStackInfo, CmmGraph))
cmmOfZgraph :: GenCmm d h (CmmStackInfo, CmmGraph) -> GenCmm d h (ListGraph CmmStmt)
cmmToZgraph :: GenCmm d h (ListGraph CmmStmt) -> UniqSM (GenCmm d h (CmmStackInfo, CmmGraph))
cmmOfZgraph :: GenCmm d h (CmmStackInfo, CmmGraph) -> GenCmm d h (ListGraph CmmStmt)