[PATCH] D104790: [x86] fix mm*_undefined* intrinsics to use arbitrary frozen bit pattern

[Juneyoung Lee via Phabricator via cfe-commits]

aqjune created this revision.
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This fixes lowering of `mm*_undefined*` intrinsics to use `freeze poison` instead of zeroinitializer.
(mentioned & discussed in D103874 <https://reviews.llvm.org/D103874>)


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D104790

Files:
  clang/lib/CodeGen/CGBuiltin.cpp
  clang/test/CodeGen/X86/avx-builtins.c
  clang/test/CodeGen/X86/avx2-builtins.c
  clang/test/CodeGen/X86/avx512f-builtins.c
  clang/test/CodeGen/X86/sse-builtins.c
  clang/test/CodeGen/X86/sse2-builtins.c

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