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-rw-r--r--lib/CodeGen/MachineCSE.cpp2
1 files changed, 1 insertions, 1 deletions
diff --git a/lib/CodeGen/MachineCSE.cpp b/lib/CodeGen/MachineCSE.cpp
index ada95cd6da..68407c88d8 100644
--- a/lib/CodeGen/MachineCSE.cpp
+++ b/lib/CodeGen/MachineCSE.cpp
@@ -95,7 +95,7 @@ bool MachineCSE::PerformTrivialCoalescing(MachineInstr *MI,
!SrcSubIdx && !DstSubIdx) {
const TargetRegisterClass *SRC = MRI->getRegClass(SrcReg);
const TargetRegisterClass *RC = MRI->getRegClass(Reg);
- if (SRC == RC || SRC->hasSubClass(RC) || RC->hasSubClass(SRC)) {
+ if (SRC == RC || RC->hasSubClass(SRC)) {
DEBUG(dbgs() << "Coalescing: " << *DefMI);
DEBUG(dbgs() << "*** to: " << *MI);
MO.setReg(SrcReg);