llvm-project

52a9c493 - Reland "[RISCV] AddEdge between mask producer and user of V0 (#146855)" (#148566)

Reland "[RISCV] AddEdge between mask producer and user of V0 (#146855)" (#148566) The defmask vector cannot contain instructions that use V0. for `MultiSource/Benchmarks/DOE-ProxyApps-C++/CLAMR/mesh.cpp` Save `%173:vrm2nov0 = PseudoVMERGE_VVM_M2 undef %173:vrm2nov0(tied-def 0), %116:vrm2, %173:vrm2nov0, killed $v0, -1, 5 `to def mask caused crash.