From 3588a43e3a3633b41a811aefcf86ae00a5a8e548 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. llvm-svn: 147071 --- llvm/lib/CodeGen/ExecutionDepsFix.cpp | 9 ++++----- llvm/lib/CodeGen/PrologEpilogInserter.cpp | 10 +--------- 2 files changed, 5 insertions(+), 14 deletions(-) (limited to 'llvm/lib/CodeGen') diff --git a/llvm/lib/CodeGen/ExecutionDepsFix.cpp b/llvm/lib/CodeGen/ExecutionDepsFix.cpp index 4ec75cdfec9..c057c1bcdc2 100644 --- a/llvm/lib/CodeGen/ExecutionDepsFix.cpp +++ b/llvm/lib/CodeGen/ExecutionDepsFix.cpp @@ -654,11 +654,10 @@ bool ExeDepsFix::runOnMachineFunction(MachineFunction &mf) { bool anyregs = false; for (TargetRegisterClass::const_iterator I = RC->begin(), E = RC->end(); I != E; ++I) - for (const unsigned *AI = TRI->getOverlaps(*I); *AI; ++AI) - if (MF->getRegInfo().isPhysRegUsed(*AI)) { - anyregs = true; - break; - } + if (MF->getRegInfo().isPhysRegOrOverlapUsed(*I)) { + anyregs = true; + break; + } if (!anyregs) return false; // Initialize the AliasMap on the first use. diff --git a/llvm/lib/CodeGen/PrologEpilogInserter.cpp b/llvm/lib/CodeGen/PrologEpilogInserter.cpp index b4fd1cb4f52..dd0a83a90a3 100644 --- a/llvm/lib/CodeGen/PrologEpilogInserter.cpp +++ b/llvm/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