tstellarAMD added inline comments. ================ Comment at: lib/Target/AMDGPU/SIShrinkInstructions.cpp:261 @@ +260,3 @@ + Src0.isReg()) { + MRI.setRegAllocationHint(Dest.getReg(), 0, Src0.getReg()); + } ---------------- Can we add continue; here? http://reviews.llvm.org/D19145