From 542db4a0bc4648d062d54bb699708c3be7629f80 Mon Sep 17 00:00:00 2001 From: Jakub Staszak Date: Wed, 14 Nov 2012 20:31:04 +0000 Subject: [PATCH] canJoinPhys method doesn't modify CoalescerPair. Make it const. llvm-svn: 167972 --- llvm/lib/CodeGen/RegisterCoalescer.cpp | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/llvm/lib/CodeGen/RegisterCoalescer.cpp b/llvm/lib/CodeGen/RegisterCoalescer.cpp index 7151164..7e662e5 100644 --- a/llvm/lib/CodeGen/RegisterCoalescer.cpp +++ b/llvm/lib/CodeGen/RegisterCoalescer.cpp @@ -178,7 +178,7 @@ namespace { MachineInstr *CopyMI); /// canJoinPhys - Return true if a physreg copy should be joined. - bool canJoinPhys(CoalescerPair &CP); + bool canJoinPhys(const CoalescerPair &CP); /// updateRegDefsUses - Replace all defs and uses of SrcReg to DstReg and /// update the subregister number if it is not zero. If DstReg is a @@ -928,7 +928,7 @@ void RegisterCoalescer::updateRegDefsUses(unsigned SrcReg, } /// canJoinPhys - Return true if a copy involving a physreg should be joined. -bool RegisterCoalescer::canJoinPhys(CoalescerPair &CP) { +bool RegisterCoalescer::canJoinPhys(const CoalescerPair &CP) { /// Always join simple intervals that are defined by a single copy from a /// reserved register. This doesn't increase register pressure, so it is /// always beneficial. -- 2.7.4