[RISCV] Only calculate ordered reduction with fp type. NFC

ElvisWang123 · ElvisWang123 · commit 74d6d68cf836 · 2024-10-30T18:41:24.000-07:00
diff --git a/llvm/lib/Target/RISCV/RISCVTargetTransformInfo.cpp b/llvm/lib/Target/RISCV/RISCVTargetTransformInfo.cpp
@@ -1564,7 +1564,7 @@ RISCVTTIImpl::getArithmeticReductionCost(unsigned Opcode, VectorType *Ty,
   }
 
   // IR Reduction is composed by two vmv and one rvv reduction instruction.
-  if (TTI::requiresOrderedReduction(FMF)) {
+  if (TTI::requiresOrderedReduction(FMF) && ElementTy->isFloatingPointTy()) {
     Opcodes.push_back(RISCV::VFMV_S_F);
     for (unsigned i = 0; i < LT.first.getValue(); i++)
       Opcodes.push_back(RISCV::VFREDOSUM_VS);

Original file line number	Diff line number	Diff line change
`@@ -1564,7 +1564,7 @@ RISCVTTIImpl::getArithmeticReductionCost(unsigned Opcode, VectorType *Ty,`
`1564`	`1564`	`}`
`1565`	`1565`
`1566`	`1566`	`// IR Reduction is composed by two vmv and one rvv reduction instruction.`
`1567`		`- if (TTI::requiresOrderedReduction(FMF)) {`
	`1567`	`+ if (TTI::requiresOrderedReduction(FMF) && ElementTy->isFloatingPointTy()) {`
`1568`	`1568`	`Opcodes.push_back(RISCV::VFMV_S_F);`
`1569`	`1569`	`for (unsigned i = 0; i < LT.first.getValue(); i++)`
`1570`	`1570`	`Opcodes.push_back(RISCV::VFREDOSUM_VS);`