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-rw-r--r--contrib/llvm/lib/CodeGen/MachineInstrBundle.cpp15
1 files changed, 10 insertions, 5 deletions
diff --git a/contrib/llvm/lib/CodeGen/MachineInstrBundle.cpp b/contrib/llvm/lib/CodeGen/MachineInstrBundle.cpp
index 4619daf..e4686b3 100644
--- a/contrib/llvm/lib/CodeGen/MachineInstrBundle.cpp
+++ b/contrib/llvm/lib/CodeGen/MachineInstrBundle.cpp
@@ -17,6 +17,7 @@
#include "llvm/Target/TargetMachine.h"
#include "llvm/Target/TargetRegisterInfo.h"
#include "llvm/Target/TargetSubtargetInfo.h"
+#include <utility>
using namespace llvm;
namespace {
@@ -24,7 +25,7 @@ namespace {
public:
static char ID; // Pass identification
UnpackMachineBundles(std::function<bool(const Function &)> Ftor = nullptr)
- : MachineFunctionPass(ID), PredicateFtor(Ftor) {
+ : MachineFunctionPass(ID), PredicateFtor(std::move(Ftor)) {
initializeUnpackMachineBundlesPass(*PassRegistry::getPassRegistry());
}
@@ -78,7 +79,7 @@ bool UnpackMachineBundles::runOnMachineFunction(MachineFunction &MF) {
FunctionPass *
llvm::createUnpackMachineBundles(std::function<bool(const Function &)> Ftor) {
- return new UnpackMachineBundles(Ftor);
+ return new UnpackMachineBundles(std::move(Ftor));
}
namespace {
@@ -293,7 +294,7 @@ MachineOperandIteratorBase::PhysRegInfo
MachineOperandIteratorBase::analyzePhysReg(unsigned Reg,
const TargetRegisterInfo *TRI) {
bool AllDefsDead = true;
- PhysRegInfo PRI = {false, false, false, false, false, false, false};
+ PhysRegInfo PRI = {false, false, false, false, false, false, false, false};
assert(TargetRegisterInfo::isPhysicalRegister(Reg) &&
"analyzePhysReg not given a physical register!");
@@ -332,8 +333,12 @@ MachineOperandIteratorBase::analyzePhysReg(unsigned Reg,
}
}
- if (AllDefsDead && PRI.FullyDefined)
- PRI.DeadDef = true;
+ if (AllDefsDead) {
+ if (PRI.FullyDefined || PRI.Clobbered)
+ PRI.DeadDef = true;
+ else if (PRI.Defined)
+ PRI.PartialDeadDef = true;
+ }
return PRI;
}
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