Emit COPY instructions instead of using copyRegToReg in InstrEmitter,
ScheduleDAGEmit, TwoAddressLowering, and PHIElimination.
This switches the bulk of register copies to using COPY, but many less used
copyRegToReg calls remain.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@108050 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/ScheduleDAGEmit.cpp b/lib/CodeGen/ScheduleDAGEmit.cpp
index ee08e1d..0a2fb37 100644
--- a/lib/CodeGen/ScheduleDAGEmit.cpp
+++ b/lib/CodeGen/ScheduleDAGEmit.cpp
@@ -50,11 +50,8 @@
break;
}
}
- bool Success = TII->copyRegToReg(*BB, InsertPos, Reg, VRI->second,
- SU->CopyDstRC, SU->CopySrcRC,
- DebugLoc());
- (void)Success;
- assert(Success && "copyRegToReg failed!");
+ BuildMI(*BB, InsertPos, DebugLoc(), TII->get(TargetOpcode::COPY), Reg)
+ .addReg(VRI->second);
} else {
// Copy from physical register.
assert(I->getReg() && "Unknown physical register!");
@@ -62,11 +59,8 @@
bool isNew = VRBaseMap.insert(std::make_pair(SU, VRBase)).second;
isNew = isNew; // Silence compiler warning.
assert(isNew && "Node emitted out of order - early");
- bool Success = TII->copyRegToReg(*BB, InsertPos, VRBase, I->getReg(),
- SU->CopyDstRC, SU->CopySrcRC,
- DebugLoc());
- (void)Success;
- assert(Success && "copyRegToReg failed!");
+ BuildMI(*BB, InsertPos, DebugLoc(), TII->get(TargetOpcode::COPY), VRBase)
+ .addReg(I->getReg());
}
break;
}