[GISel]: Few InsertVecElt combines
authorAditya Nandakumar <aditya_nandakumar@apple.com>
Wed, 28 Oct 2020 19:13:35 +0000 (12:13 -0700)
committerAditya Nandakumar <aditya_nandakumar@apple.com>
Wed, 28 Oct 2020 19:27:07 +0000 (12:27 -0700)
commitbed83940478449b7ee08d43e5b74995912bf8206
tree6c62b8ed74161b456eca1086dfd34cfeeed0ea11
parent63aeadb4849d760dce3b8e9f343ede8d6c250519
[GISel]: Few InsertVecElt combines

https://reviews.llvm.org/D88060

This adds the following combines
1) build_vector formation from insert_vec_elts
2) insert_vec_elts (build_vector) -> build_vector
llvm/include/llvm/CodeGen/GlobalISel/CombinerHelper.h
llvm/include/llvm/CodeGen/GlobalISel/MIPatternMatch.h
llvm/include/llvm/Target/GlobalISel/Combine.td
llvm/lib/CodeGen/GlobalISel/CombinerHelper.cpp
llvm/test/CodeGen/AArch64/GlobalISel/combine-insert-vec-elt.mir [new file with mode: 0644]
llvm/test/CodeGen/AArch64/GlobalISel/prelegalizercombiner-concat-vectors.mir
llvm/test/CodeGen/AArch64/combine-loads.ll
llvm/test/CodeGen/AMDGPU/GlobalISel/udiv.i64.ll
llvm/test/CodeGen/AMDGPU/GlobalISel/urem.i64.ll
llvm/test/CodeGen/AMDGPU/GlobalISel/xnor.ll