diff options
| -rw-r--r-- | lib/CodeGen/SimpleRegisterCoalescing.cpp | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/lib/CodeGen/SimpleRegisterCoalescing.cpp b/lib/CodeGen/SimpleRegisterCoalescing.cpp index c608b8d1c4..c03933944f 100644 --- a/lib/CodeGen/SimpleRegisterCoalescing.cpp +++ b/lib/CodeGen/SimpleRegisterCoalescing.cpp @@ -396,7 +396,7 @@ bool SimpleRegisterCoalescing::JoinCopy(CopyRec TheCopy, bool &Again) { unsigned JoinVReg = SrcIsPhys ? repDstReg : repSrcReg; unsigned JoinPReg = SrcIsPhys ? repSrcReg : repDstReg; const TargetRegisterClass *RC = mf_->getSSARegMap()->getRegClass(JoinVReg); - unsigned Threshold = allocatableRCRegs_[RC].count(); + unsigned Threshold = allocatableRCRegs_[RC].count() * 2; if (TheCopy.isBackEdge) Threshold *= 2; // Favors back edge copies. |