[PATCH] D153415: [NFC SVE ACLE] Remove IR combines that no longer apply.

[Jolanta Jensen via Phabricator via llvm-commits]

jolanta.jensen created this revision.
jolanta.jensen added reviewers: paulwalker-arm, mgabka.
Herald added subscribers: ctetreau, hiraditya.
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Remove IR combines that no longer apply after the SVE merging
intrinsics taking an all active predicate, have been canonicalised
to their equvalent undef (_u) variants.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D153415

Files:
  llvm/lib/Target/AArch64/AArch64TargetTransformInfo.cpp


Index: llvm/lib/Target/AArch64/AArch64TargetTransformInfo.cpp
===================================================================
--- llvm/lib/Target/AArch64/AArch64TargetTransformInfo.cpp
+++ llvm/lib/Target/AArch64/AArch64TargetTransformInfo.cpp
@@ -1247,13 +1247,10 @@
 
 static Instruction::BinaryOps intrinsicIDToBinOpCode(unsigned Intrinsic) {
   switch (Intrinsic) {
-  case Intrinsic::aarch64_sve_fmul:
   case Intrinsic::aarch64_sve_fmul_u:
     return Instruction::BinaryOps::FMul;
-  case Intrinsic::aarch64_sve_fadd:
   case Intrinsic::aarch64_sve_fadd_u:
     return Instruction::BinaryOps::FAdd;
-  case Intrinsic::aarch64_sve_fsub:
   case Intrinsic::aarch64_sve_fsub_u:
     return Instruction::BinaryOps::FSub;
   default:
@@ -1330,7 +1327,7 @@
                                             Intrinsic::aarch64_sve_fmla>(IC, II,
                                                                          true))
     return FMLA;
-  return instCombineSVEVectorBinOp(IC, II);
+  return std::nullopt;
 }
 
 static std::optional<Instruction *>
@@ -1372,7 +1369,7 @@
                                             Intrinsic::aarch64_sve_fmls>(IC, II,
                                                                          true))
     return FMLS;
-  return instCombineSVEVectorBinOp(IC, II);
+  return std::nullopt;
 }
 
 static std::optional<Instruction *>


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