[PATCH] D13655: DAGCombiner: Combine extract_vector_elt from build_vector

[Matt Arsenault via llvm-commits]

arsenm updated this revision to Diff 37197.
arsenm added a comment.

Make sure element type matches. Leave truncating if free out because I have so far failed to find an example where this happens


http://reviews.llvm.org/D13655

Files:
  include/llvm/Target/TargetLowering.h
  lib/CodeGen/SelectionDAG/DAGCombiner.cpp
  lib/Target/AMDGPU/AMDGPUISelLowering.cpp
  lib/Target/AMDGPU/AMDGPUISelLowering.h
  test/CodeGen/AArch64/fold-constants.ll
  test/CodeGen/AMDGPU/ds_read2.ll
  test/CodeGen/AMDGPU/fceil64.ll
  test/CodeGen/AMDGPU/ftrunc.f64.ll
  test/CodeGen/AMDGPU/gep-address-space.ll

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