[PATCH] D141883: [DAG] Do not combine any_ext when we combine and into zext.

[Amaury SECHET via Phabricator via llvm-commits]

deadalnix added inline comments.


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Comment at: llvm/test/CodeGen/X86/illegal-bitfield-loadstore.ll:120
 ; X64-NEXT:    orl $384, (%rdi) # imm = 0x180
 ; X64-NEXT:    retq
   %aa = load i56, ptr %a, align 1
----------------
Yes, it also shows up in some regression in D127115


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Comment at: llvm/test/CodeGen/X86/known-signbits-vector.ll:684
+; X64-NEXT:    negq %rax
 ; X64-NEXT:    retq
   %3 = fcmp oeq double %0, %1
----------------
Another optimization is defeated. D141884 generalize it so it kicks in again.


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D141883/new/

https://reviews.llvm.org/D141883