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-rw-r--r--llvm/lib/CodeGen/LivePhysRegs.cpp8
1 files changed, 2 insertions, 6 deletions
diff --git a/llvm/lib/CodeGen/LivePhysRegs.cpp b/llvm/lib/CodeGen/LivePhysRegs.cpp
index 774fa4c8c3e..d90e8930598 100644
--- a/llvm/lib/CodeGen/LivePhysRegs.cpp
+++ b/llvm/lib/CodeGen/LivePhysRegs.cpp
@@ -214,10 +214,8 @@ void LivePhysRegs::addLiveIns(const MachineBasicBlock &MBB) {
addBlockLiveIns(MBB);
}
-void llvm::computeLiveIns(LivePhysRegs &LiveRegs,
- const MachineRegisterInfo &MRI,
+void llvm::computeLiveIns(LivePhysRegs &LiveRegs, const TargetRegisterInfo &TRI,
MachineBasicBlock &MBB) {
- const TargetRegisterInfo &TRI = *MRI.getTargetRegisterInfo();
assert(MBB.livein_empty());
LiveRegs.init(TRI);
LiveRegs.addLiveOutsNoPristines(MBB);
@@ -225,12 +223,10 @@ void llvm::computeLiveIns(LivePhysRegs &LiveRegs,
LiveRegs.stepBackward(MI);
for (unsigned Reg : LiveRegs) {
- if (MRI.isReserved(Reg))
- continue;
// Skip the register if we are about to add one of its super registers.
bool ContainsSuperReg = false;
for (MCSuperRegIterator SReg(Reg, &TRI); SReg.isValid(); ++SReg) {
- if (LiveRegs.contains(*SReg) && !MRI.isReserved(*SReg)) {
+ if (LiveRegs.contains(*SReg)) {
ContainsSuperReg = true;
break;
}
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