From a2a98fd0ddd2ae277be7cdd62aae92f6c5155e07 Mon Sep 17 00:00:00 2001 From: Jakob Stoklund Olesen Date: Wed, 21 Dec 2011 19:50:05 +0000 Subject: Move common code into an MRI function. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@147071 91177308-0d34-0410-b5e6-96231b3b80d8 --- lib/CodeGen/PrologEpilogInserter.cpp | 10 +--------- 1 file changed, 1 insertion(+), 9 deletions(-) (limited to 'lib/CodeGen/PrologEpilogInserter.cpp') diff --git a/lib/CodeGen/PrologEpilogInserter.cpp b/lib/CodeGen/PrologEpilogInserter.cpp index b4fd1cb4f5..dd0a83a90a 100644 --- a/lib/CodeGen/PrologEpilogInserter.cpp +++ b/lib/CodeGen/PrologEpilogInserter.cpp @@ -224,17 +224,9 @@ void PEI::calculateCalleeSavedRegisters(MachineFunction &Fn) { std::vector CSI; for (unsigned i = 0; CSRegs[i]; ++i) { unsigned Reg = CSRegs[i]; - if (Fn.getRegInfo().isPhysRegUsed(Reg)) { + if (Fn.getRegInfo().isPhysRegOrOverlapUsed(Reg)) { // If the reg is modified, save it! CSI.push_back(CalleeSavedInfo(Reg)); - } else { - for (const unsigned *AliasSet = RegInfo->getAliasSet(Reg); - *AliasSet; ++AliasSet) { // Check alias registers too. - if (Fn.getRegInfo().isPhysRegUsed(*AliasSet)) { - CSI.push_back(CalleeSavedInfo(Reg)); - break; - } - } } } -- cgit v1.2.3-70-g09d2