NEED_FIX: Requires cost of vp.merge in RISCV TTI

Mel-Chen · Mel-Chen · commit ea4a218a160c · 2024-10-14T07:44:58.000-07:00
diff --git a/llvm/lib/Target/RISCV/RISCVTargetTransformInfo.cpp b/llvm/lib/Target/RISCV/RISCVTargetTransformInfo.cpp
@@ -1125,6 +1125,8 @@ RISCVTTIImpl::getIntrinsicInstrCost(const IntrinsicCostAttributes &ICA,
         *FOp, ICA.getArgTypes()[0], UI->getPointerAlignment(),
         UI->getOperand(1)->getType()->getPointerAddressSpace(), CostKind);
   }
+  case Intrinsic::vp_merge:
+    return 1;
   case Intrinsic::vp_select: {
     Intrinsic::ID IID = ICA.getID();
     std::optional<unsigned> FOp = VPIntrinsic::getFunctionalOpcodeForVP(IID);

Original file line number	Diff line number	Diff line change
`@@ -1125,6 +1125,8 @@ RISCVTTIImpl::getIntrinsicInstrCost(const IntrinsicCostAttributes &ICA,`
`1125`	`1125`	`*FOp, ICA.getArgTypes()[0], UI->getPointerAlignment(),`
`1126`	`1126`	`UI->getOperand(1)->getType()->getPointerAddressSpace(), CostKind);`
`1127`	`1127`	`}`
	`1128`	`+ case Intrinsic::vp_merge:`
	`1129`	`+ return 1;`
`1128`	`1130`	`case Intrinsic::vp_select: {`
`1129`	`1131`	`Intrinsic::ID IID = ICA.getID();`
`1130`	`1132`	`std::optional<unsigned> FOp = VPIntrinsic::getFunctionalOpcodeForVP(IID);`