[llvm-commits] [llvm] r143600 - in /llvm/trunk: lib/CodeGen/MachineInstr.cpp test/CodeGen/X86/MachineLICM-HoistSelectorRefs.ll

[Jakob Stoklund Olesen]

On Nov 3, 2011, at 12:15 PM, Evan Cheng wrote:

> One more thing. Please make sure the register allocator knows these loads are safe to rematerialize. This is especially important if LICM is done at LLVM IR level which doesn't take register pressure into consideration.

The register allocator depends on MachineInstr::isInvariantLoad().

/jakob