[PATCH] D155344: [RISCV] Generalize 'tryFoldSelectIntOp` to other operations.

Craig Topper via Phabricator via llvm-commits llvm-commits at lists.llvm.org
Tue Jul 18 16:12:04 PDT 2023


craig.topper added inline comments.


================
Comment at: llvm/lib/Target/RISCV/RISCVISelLowering.cpp:12297
+  EVT OtherOpVT = OtherOp->getValueType(0);
+  SDValue IdentityOperand = OtherOpVT.isFloatingPoint() ?
+    DAG.getConstantFP(0.0, DL, OtherOpVT) :
----------------
Drop the isFloatingPoint check?


================
Comment at: llvm/lib/Target/RISCV/RISCVISelLowering.cpp:12297
+  EVT OtherOpVT = OtherOp->getValueType(0);
+  SDValue IdentityOperand = OtherOpVT.isFloatingPoint() ?
+    DAG.getConstantFP(0.0, DL, OtherOpVT) :
----------------
craig.topper wrote:
> Drop the isFloatingPoint check?
You can use DAG.getNeutralElement


CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D155344/new/

https://reviews.llvm.org/D155344



More information about the llvm-commits mailing list