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path: root/lib/CodeGen/TwoAddressInstructionPass.cpp
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Diffstat (limited to 'lib/CodeGen/TwoAddressInstructionPass.cpp')
-rw-r--r--lib/CodeGen/TwoAddressInstructionPass.cpp5
1 files changed, 2 insertions, 3 deletions
diff --git a/lib/CodeGen/TwoAddressInstructionPass.cpp b/lib/CodeGen/TwoAddressInstructionPass.cpp
index d2e5288d34..480d6dd389 100644
--- a/lib/CodeGen/TwoAddressInstructionPass.cpp
+++ b/lib/CodeGen/TwoAddressInstructionPass.cpp
@@ -375,10 +375,9 @@ bool TwoAddressInstructionPass::runOnMachineFunction(MachineFunction &MF) {
DOUT << "2addr: COMMUTED TO: " << *NewMI;
// If the instruction changed to commute it, update livevar.
if (NewMI != mi) {
- if (LV) {
+ if (LV)
// Update live variables
- LV->instructionChanged(mi, NewMI);
- }
+ LV->replaceKillInstruction(regC, mi, NewMI);
mbbi->insert(mi, NewMI); // Insert the new inst
mbbi->erase(mi); // Nuke the old inst.