[PATCH] D130448: [Reassociate][NFC] Use an appropriate `dyn_cast` for `BinaryOperator`

Warren Ristow via Phabricator via llvm-commits llvm-commits at lists.llvm.org
Mon Jul 25 10:26:00 PDT 2022


This revision was landed with ongoing or failed builds.
This revision was automatically updated to reflect the committed changes.
Closed by commit rG3bbd380a5b51: [Reassociate][NFC] Use an appropriate dyn_cast for BinaryOperator (authored by wristow).

Changed prior to commit:
  https://reviews.llvm.org/D130448?vs=447168&id=447401#toc

Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D130448/new/

https://reviews.llvm.org/D130448

Files:
  llvm/lib/Transforms/Scalar/Reassociate.cpp


Index: llvm/lib/Transforms/Scalar/Reassociate.cpp
===================================================================
--- llvm/lib/Transforms/Scalar/Reassociate.cpp
+++ llvm/lib/Transforms/Scalar/Reassociate.cpp
@@ -154,20 +154,20 @@
 /// Return true if V is an instruction of the specified opcode and if it
 /// only has one use.
 static BinaryOperator *isReassociableOp(Value *V, unsigned Opcode) {
-  auto *I = dyn_cast<Instruction>(V);
-  if (I && I->hasOneUse() && I->getOpcode() == Opcode)
-    if (!isa<FPMathOperator>(I) || hasFPAssociativeFlags(I))
-      return cast<BinaryOperator>(I);
+  auto *BO = dyn_cast<BinaryOperator>(V);
+  if (BO && BO->hasOneUse() && BO->getOpcode() == Opcode)
+    if (!isa<FPMathOperator>(BO) || hasFPAssociativeFlags(BO))
+      return BO;
   return nullptr;
 }
 
 static BinaryOperator *isReassociableOp(Value *V, unsigned Opcode1,
                                         unsigned Opcode2) {
-  auto *I = dyn_cast<Instruction>(V);
-  if (I && I->hasOneUse() &&
-      (I->getOpcode() == Opcode1 || I->getOpcode() == Opcode2))
-    if (!isa<FPMathOperator>(I) || hasFPAssociativeFlags(I))
-      return cast<BinaryOperator>(I);
+  auto *BO = dyn_cast<BinaryOperator>(V);
+  if (BO && BO->hasOneUse() &&
+      (BO->getOpcode() == Opcode1 || BO->getOpcode() == Opcode2))
+    if (!isa<FPMathOperator>(BO) || hasFPAssociativeFlags(BO))
+      return BO;
   return nullptr;
 }
 


-------------- next part --------------
A non-text attachment was scrubbed...
Name: D130448.447401.patch
Type: text/x-patch
Size: 1418 bytes
Desc: not available
URL: <http://lists.llvm.org/pipermail/llvm-commits/attachments/20220725/df42b2ce/attachment.bin>


More information about the llvm-commits mailing list