[PATCH] D93594: [X86] Pass to transform amx intrinsics to scalar operation.

Bing Yu via Phabricator via cfe-commits cfe-commits at lists.llvm.org
Mon Feb 8 19:53:53 PST 2021


yubing added inline comments.


================
Comment at: llvm/test/CodeGen/X86/AMX/amx-low-intrinsics.ll:77
+; CHECK-NEXT:    [[TILEDPBSSD_UNROLL_ROWS_IV:%.*]] = phi i16 [ 0, [[ENTRY:%.*]] ], [ [[TILEDPBSSD_UNROLL_ROWS_STEP:%.*]], [[TILEDPBSSD_UNROLL_ROWS_LATCH:%.*]] ]
+; CHECK-NEXT:    [[VEC_PHI_ROW:%.*]] = phi <256 x i32> [ [[C]], [[ENTRY]] ], [ [[TMP18:%.*]], [[TILEDPBSSD_UNROLL_ROWS_LATCH]] ]
+; CHECK-NEXT:    br label [[TILEDPBSSD_UNROLL_ROWS_BODY:%.*]]
----------------
Sorry, there is a bug here. According to AMX's spec, dst's remaining part should be all zero.


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D93594/new/

https://reviews.llvm.org/D93594



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