aboutsummaryrefslogtreecommitdiffstats
path: root/lib/CodeGen/TwoAddressInstructionPass.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'lib/CodeGen/TwoAddressInstructionPass.cpp')
-rw-r--r--lib/CodeGen/TwoAddressInstructionPass.cpp1
1 files changed, 1 insertions, 0 deletions
diff --git a/lib/CodeGen/TwoAddressInstructionPass.cpp b/lib/CodeGen/TwoAddressInstructionPass.cpp
index 5093321c6a..51a3c5f52e 100644
--- a/lib/CodeGen/TwoAddressInstructionPass.cpp
+++ b/lib/CodeGen/TwoAddressInstructionPass.cpp
@@ -403,6 +403,7 @@ bool TwoAddressInstructionPass::runOnMachineFunction(MachineFunction &MF) {
// If it's safe and profitable, remat the definition instead of
// copying it.
if (DefMI &&
+ DefMI->getDesc().isAsCheapAsAMove() &&
DefMI->isSafeToReMat(TII, regB) &&
isProfitableToReMat(regB, rc, mi, DefMI, mbbi, Dist,DistanceMap)){
DEBUG(cerr << "2addr: REMATTING : " << *DefMI << "\n");