From 91b5cf8412a9fffdca96619f02f485c8c48bf852 Mon Sep 17 00:00:00 2001 From: Krzysztof Parzyszek Date: Thu, 15 Dec 2016 14:36:06 +0000 Subject: Extract LaneBitmask into a separate type Specifically avoid implicit conversions from/to integral types to avoid potential errors when changing the underlying type. For example, a typical initialization of a "full" mask was "LaneMask = ~0u", which would result in a value of 0x00000000FFFFFFFF if the type was extended to uint64_t. Differential Revision: https://reviews.llvm.org/D27454 llvm-svn: 289820 --- llvm/lib/CodeGen/MachinePipeliner.cpp | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) (limited to 'llvm/lib/CodeGen/MachinePipeliner.cpp') diff --git a/llvm/lib/CodeGen/MachinePipeliner.cpp b/llvm/lib/CodeGen/MachinePipeliner.cpp index 23d7c6094a9..c908681df2e 100644 --- a/llvm/lib/CodeGen/MachinePipeliner.cpp +++ b/llvm/lib/CodeGen/MachinePipeliner.cpp @@ -1742,11 +1742,13 @@ static void computeLiveOuts(MachineFunction &MF, RegPressureTracker &RPTracker, unsigned Reg = MO.getReg(); if (TargetRegisterInfo::isVirtualRegister(Reg)) { if (!Uses.count(Reg)) - LiveOutRegs.push_back(RegisterMaskPair(Reg, 0)); + LiveOutRegs.push_back(RegisterMaskPair(Reg, + LaneBitmask::getNone())); } else if (MRI.isAllocatable(Reg)) { for (MCRegUnitIterator Units(Reg, TRI); Units.isValid(); ++Units) if (!Uses.count(*Units)) - LiveOutRegs.push_back(RegisterMaskPair(*Units, 0)); + LiveOutRegs.push_back(RegisterMaskPair(*Units, + LaneBitmask::getNone())); } } RPTracker.addLiveRegs(LiveOutRegs); -- cgit v1.2.3