[PATCH] D141113: Improve mul 2^N +/- 2 pattern

[Phoebe Wang via Phabricator via llvm-commits]

pengfei added inline comments.


================
Comment at: llvm/test/CodeGen/X86/mul-constant-result.ll:166-175
+; X86-NEXT:    .cfi_def_cfa_offset 8
+; X86-NEXT:    leal (%eax,%eax), %ecx
+; X86-NEXT:    shll $5, %eax
+; X86-NEXT:  .LBB0_23:
+; X86-NEXT:    subl %ecx, %eax
+; X86-NEXT:    popl %esi
+; X86-NEXT:    .cfi_def_cfa_offset 4
----------------
Regression?


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D141113/new/

https://reviews.llvm.org/D141113