[PATCH] D70736: [LegalizeTypes] Add SoftenFloatRes_Unary and SoftenFloatRes_Binary functions to factor repeated patterns out of many of the SoftenFloatRes_* functions

Craig Topper via Phabricator via llvm-commits llvm-commits at lists.llvm.org
Tue Nov 26 11:54:22 PST 2019


craig.topper created this revision.
craig.topper added a reviewer: efriedma.
Herald added a subscriber: hiraditya.
Herald added a project: LLVM.
craig.topper marked an inline comment as done.
craig.topper added inline comments.


================
Comment at: llvm/lib/CodeGen/SelectionDAG/LegalizeFloatTypes.cpp:200
 SDValue DAGTypeLegalizer::SoftenFloatRes_FMINNUM(SDNode *N) {
-  EVT NVT = TLI.getTypeToTransformTo(*DAG.getContext(), N->getValueType(0));
-  SDValue Ops[2] = { GetSoftenedFloat(N->getOperand(0)),
-                     GetSoftenedFloat(N->getOperand(1)) };
-  TargetLowering::MakeLibCallOptions CallOptions;
-  EVT OpsVT[2] = { N->getOperand(0).getValueType(),
-                   N->getOperand(1).getValueType() };
-  CallOptions.setTypeListBeforeSoften(OpsVT, N->getValueType(0), true);
-  return TLI.makeLibCall(DAG, GetFPLibCall(N->getValueType(0),
-                                           RTLIB::FMIN_F32,
-                                           RTLIB::FMIN_F64,
-                                           RTLIB::FMIN_F80,
-                                           RTLIB::FMIN_F128,
-                                           RTLIB::FMIN_PPCF128),
-                         NVT, Ops, CallOptions, SDLoc(N)).first;
+  return SoftenFloatRes_Binary(N, GetFPLibCall(N->getValueType(0),
+                                               RTLIB::FMIN_F32,
----------------
Are these functions simple enough now that we should just inline this into the switch?


This has been factored out of D70654 <https://reviews.llvm.org/D70654> which will add strict FP support to these functions. By making the helpers we avoid repeating even more code.


https://reviews.llvm.org/D70736

Files:
  llvm/lib/CodeGen/SelectionDAG/LegalizeFloatTypes.cpp
  llvm/lib/CodeGen/SelectionDAG/LegalizeTypes.h

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