diff options
Diffstat (limited to 'contrib/llvm/lib/CodeGen/ProcessImplicitDefs.cpp')
| -rw-r--r-- | contrib/llvm/lib/CodeGen/ProcessImplicitDefs.cpp | 13 |
1 files changed, 5 insertions, 8 deletions
diff --git a/contrib/llvm/lib/CodeGen/ProcessImplicitDefs.cpp b/contrib/llvm/lib/CodeGen/ProcessImplicitDefs.cpp index 0c5173aeadcb..31299272a7a2 100644 --- a/contrib/llvm/lib/CodeGen/ProcessImplicitDefs.cpp +++ b/contrib/llvm/lib/CodeGen/ProcessImplicitDefs.cpp @@ -7,8 +7,6 @@ // //===----------------------------------------------------------------------===// -#define DEBUG_TYPE "processimplicitdefs" - #include "llvm/ADT/SetVector.h" #include "llvm/Analysis/AliasAnalysis.h" #include "llvm/CodeGen/MachineFunctionPass.h" @@ -21,6 +19,8 @@ using namespace llvm; +#define DEBUG_TYPE "processimplicitdefs" + namespace { /// Process IMPLICIT_DEF instructions and make sure there is one implicit_def /// for each use. Add isUndef marker to implicit_def defs and their uses. @@ -41,9 +41,9 @@ public: initializeProcessImplicitDefsPass(*PassRegistry::getPassRegistry()); } - virtual void getAnalysisUsage(AnalysisUsage &au) const; + void getAnalysisUsage(AnalysisUsage &au) const override; - virtual bool runOnMachineFunction(MachineFunction &fn); + bool runOnMachineFunction(MachineFunction &fn) override; }; } // end anonymous namespace @@ -80,10 +80,7 @@ void ProcessImplicitDefs::processImplicitDef(MachineInstr *MI) { if (TargetRegisterInfo::isVirtualRegister(Reg)) { // For virtual registers, mark all uses as <undef>, and convert users to // implicit-def when possible. - for (MachineRegisterInfo::use_nodbg_iterator UI = - MRI->use_nodbg_begin(Reg), - UE = MRI->use_nodbg_end(); UI != UE; ++UI) { - MachineOperand &MO = UI.getOperand(); + for (MachineOperand &MO : MRI->use_nodbg_operands(Reg)) { MO.setIsUndef(); MachineInstr *UserMI = MO.getParent(); if (!canTurnIntoImplicitDef(UserMI)) |