[llvm] 536d78c - [VPlan] Remove VPInstruction::setUnderlyingInstr (NFCI).

[Florian Hahn via llvm-commits]

Author: Florian Hahn
Date: 2024-02-18T18:50:01Z
New Revision: 536d78c213e127e00aa3b120582a3c133e6b0e52

URL: https://github.com/llvm/llvm-project/commit/536d78c213e127e00aa3b120582a3c133e6b0e52
DIFF: https://github.com/llvm/llvm-project/commit/536d78c213e127e00aa3b120582a3c133e6b0e52.diff

LOG: [VPlan] Remove VPInstruction::setUnderlyingInstr (NFCI).

VPInstruction doesn't rely on the underlying instruction any longer for
codegen, remove the unneeded setUnderlyingInstr.

Added: 
    

Modified: 
    llvm/lib/Transforms/Vectorize/VPlan.h
    llvm/lib/Transforms/Vectorize/VPlanSLP.cpp

Removed: 
    


################################################################################
diff  --git a/llvm/lib/Transforms/Vectorize/VPlan.h b/llvm/lib/Transforms/Vectorize/VPlan.h
index 13e1859ad6b250..42e3b4a003511b 100644
--- a/llvm/lib/Transforms/Vectorize/VPlan.h
+++ b/llvm/lib/Transforms/Vectorize/VPlan.h
@@ -1177,9 +1177,6 @@ class VPInstruction : public VPRecipeWithIRFlags {
   bool isFPMathOp() const;
 #endif
 
-protected:
-  void setUnderlyingInstr(Instruction *I) { setUnderlyingValue(I); }
-
 public:
   VPInstruction(unsigned Opcode, ArrayRef<VPValue *> Operands, DebugLoc DL,
                 const Twine &Name = "")

diff  --git a/llvm/lib/Transforms/Vectorize/VPlanSLP.cpp b/llvm/lib/Transforms/Vectorize/VPlanSLP.cpp
index fbcadba33e6768..98ccf216946357 100644
--- a/llvm/lib/Transforms/Vectorize/VPlanSLP.cpp
+++ b/llvm/lib/Transforms/Vectorize/VPlanSLP.cpp
@@ -461,7 +461,6 @@ VPInstruction *VPlanSlp::buildGraph(ArrayRef<VPValue *> Values) {
   assert(CombinedOperands.size() > 0 && "Need more some operands");
   auto *Inst = cast<VPInstruction>(Values[0])->getUnderlyingInstr();
   auto *VPI = new VPInstruction(Opcode, CombinedOperands, Inst->getDebugLoc());
-  VPI->setUnderlyingInstr(Inst);
 
   LLVM_DEBUG(dbgs() << "Create VPInstruction " << *VPI << " "
                     << *cast<VPInstruction>(Values[0]) << "\n");