[PATCH] D72307: [X86] Directly emit a BROADCAST_LOAD from constant pool in lowerUINT_TO_FP_vXi32 to avoid double loads seen in D71971

[Craig Topper via Phabricator via llvm-commits]

craig.topper created this revision.
craig.topper added reviewers: RKSimon, spatel.
Herald added a subscriber: hiraditya.
Herald added a project: LLVM.

By directly emitting the constants as a constant pool load we seem to avoid the build_vector/extract_subvector combines that resulted in the duplicate loads we had before.


https://reviews.llvm.org/D72307

Files:
  llvm/lib/Target/X86/X86ISelLowering.cpp
  llvm/test/CodeGen/X86/vec-strict-inttofp-256.ll
  llvm/test/CodeGen/X86/vec_int_to_fp.ll
  llvm/test/CodeGen/X86/vector-constrained-fp-intrinsics.ll

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