group unsafe math folds together for easier reading

[oota-llvm.git] / lib / CodeGen / MachineRegisterInfo.cpp

diff --git a/lib/CodeGen/MachineRegisterInfo.cpp b/lib/CodeGen/MachineRegisterInfo.cpp
index 1b95b40b6b250e011fbb25f8a795f7e4f1d66a51..e9612f3cfde0866f94f57ccc9df1fe795e27fafe 100644 (file)
--- a/lib/CodeGen/MachineRegisterInfo.cpp
+++ b/lib/CodeGen/MachineRegisterInfo.cpp
@@ -31,14 +31,7 @@ MachineRegisterInfo::MachineRegisterInfo(const MachineFunction *MF)
   UsedPhysRegMask.resize(getTargetRegisterInfo()->getNumRegs());
 
   // Create the physreg use/def lists.
-  PhysRegUseDefLists =
-    new MachineOperand*[getTargetRegisterInfo()->getNumRegs()];
-  memset(PhysRegUseDefLists, 0,
-         sizeof(MachineOperand*)*getTargetRegisterInfo()->getNumRegs());
-}
-
-MachineRegisterInfo::~MachineRegisterInfo() {
-  delete [] PhysRegUseDefLists;
+  PhysRegUseDefLists.resize(getTargetRegisterInfo()->getNumRegs(), nullptr);
 }
 
 /// setRegClass - Set the register class of the specified virtual register.