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[RISCV][TTI] Implement getAddressComputationCost() in RISCV TTI. #149955

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[RISCV][TTI] Implement getAddressComputationCost() in RISCV TTI. #149955

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65c2e93
[RISCV][TTI] Implement `getAddressComputationCost()` in RISCV TTI.
ElvisWang123 Jul 23, 2025
768c654
[VPlan] Get Addr computation cost with scalar type if it is uniform f…
ElvisWang123 Jul 24, 2025
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13 changes: 13 additions & 0 deletions llvm/lib/Target/RISCV/RISCVTargetTransformInfo.cpp
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Expand Up @@ -1566,6 +1566,19 @@ RISCVTTIImpl::getIntrinsicInstrCost(const IntrinsicCostAttributes &ICA,
return BaseT::getIntrinsicInstrCost(ICA, CostKind);
}

InstructionCost RISCVTTIImpl::getAddressComputationCost(Type *PtrTy,
ScalarEvolution *SE,
const SCEV *Ptr) const {
// Address computations with vector type are usually for indexed load/store
// which is likely more expensive.
if (ST->hasVInstructions() && PtrTy->isVectorTy())
return getArithmeticInstrCost(
Instruction::Add, PtrTy, TTI::TCK_RecipThroughput,
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Better to add a cost kind parameter to the function rather than hardcode it here.

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Added in #153342. Thanks!

{TTI::OK_AnyValue, TTI::OP_None}, {TTI::OK_AnyValue, TTI::OP_None}, {});

return BaseT::getAddressComputationCost(PtrTy, SE, Ptr);
}

InstructionCost RISCVTTIImpl::getCastInstrCost(unsigned Opcode, Type *Dst,
Type *Src,
TTI::CastContextHint CCH,
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4 changes: 4 additions & 0 deletions llvm/lib/Target/RISCV/RISCVTargetTransformInfo.h
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Expand Up @@ -177,6 +177,10 @@ class RISCVTTIImpl final : public BasicTTIImplBase<RISCVTTIImpl> {
getIntrinsicInstrCost(const IntrinsicCostAttributes &ICA,
TTI::TargetCostKind CostKind) const override;

InstructionCost
getAddressComputationCost(Type *PTy, ScalarEvolution *SE = nullptr,
const SCEV *Ptr = nullptr) const override;

InstructionCost getInterleavedMemoryOpCost(
unsigned Opcode, Type *VecTy, unsigned Factor, ArrayRef<unsigned> Indices,
Align Alignment, unsigned AddressSpace, TTI::TargetCostKind CostKind,
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11 changes: 9 additions & 2 deletions llvm/lib/Transforms/Vectorize/VPlanRecipes.cpp
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Expand Up @@ -3106,10 +3106,17 @@ InstructionCost VPWidenMemoryRecipe::computeCost(ElementCount VF,
// TODO: Using the original IR may not be accurate.
// Currently, ARM will use the underlying IR to calculate gather/scatter
// instruction cost.
const Value *Ptr = getLoadStorePointerOperand(&Ingredient);
Type *PtrTy = toVectorTy(Ptr->getType(), VF);
assert(!Reverse &&
"Inconsecutive memory access should not have the order.");

const Value *Ptr = getLoadStorePointerOperand(&Ingredient);
Type *PtrTy = Ptr->getType();

// If the address value is uniform across all lane, then the address can be
// calculated with scalar type and broacast.
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Suggested change
// calculated with scalar type and broacast.
// calculated with scalar type and broadcast.

if (!vputils::isSingleScalar(getAddr()))
PtrTy = toVectorTy(PtrTy, VF);

return Ctx.TTI.getAddressComputationCost(PtrTy) +
Ctx.TTI.getGatherScatterOpCost(Opcode, Ty, Ptr, IsMasked, Alignment,
Ctx.CostKind, &Ingredient);
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26 changes: 13 additions & 13 deletions llvm/test/Transforms/LoopVectorize/RISCV/pr88802.ll
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Expand Up @@ -28,22 +28,22 @@ define void @test(ptr %p, i64 %a, i8 %b) {
; CHECK-NEXT: [[VEC_IND:%.*]] = phi <vscale x 2 x i32> [ [[INDUCTION]], [[VECTOR_PH]] ], [ [[VEC_IND_NEXT:%.*]], [[FOR_COND]] ]
; CHECK-NEXT: [[AVL:%.*]] = phi i32 [ 9, [[VECTOR_PH]] ], [ [[AVL_NEXT:%.*]], [[FOR_COND]] ]
; CHECK-NEXT: [[TMP11:%.*]] = call i32 @llvm.experimental.get.vector.length.i32(i32 [[AVL]], i32 2, i1 true)
; CHECK-NEXT: [[BROADCAST_SPLATINSERT5:%.*]] = insertelement <vscale x 2 x i32> poison, i32 [[TMP11]], i64 0
; CHECK-NEXT: [[BROADCAST_SPLAT6:%.*]] = shufflevector <vscale x 2 x i32> [[BROADCAST_SPLATINSERT5]], <vscale x 2 x i32> poison, <vscale x 2 x i32> zeroinitializer
; CHECK-NEXT: [[TMP20:%.*]] = mul i32 1, [[TMP11]]
; CHECK-NEXT: [[BROADCAST_SPLATINSERT7:%.*]] = insertelement <vscale x 2 x i32> poison, i32 [[TMP20]], i64 0
; CHECK-NEXT: [[BROADCAST_SPLATINSERT7:%.*]] = insertelement <vscale x 2 x i32> poison, i32 [[TMP11]], i64 0
; CHECK-NEXT: [[BROADCAST_SPLAT8:%.*]] = shufflevector <vscale x 2 x i32> [[BROADCAST_SPLATINSERT7]], <vscale x 2 x i32> poison, <vscale x 2 x i32> zeroinitializer
; CHECK-NEXT: [[TMP19:%.*]] = call <vscale x 2 x i32> @llvm.stepvector.nxv2i32()
; CHECK-NEXT: [[TMP13:%.*]] = icmp ult <vscale x 2 x i32> [[TMP19]], [[BROADCAST_SPLAT6]]
; CHECK-NEXT: [[TMP14:%.*]] = icmp sge <vscale x 2 x i32> [[VEC_IND]], splat (i32 2)
; CHECK-NEXT: [[TMP15:%.*]] = select <vscale x 2 x i1> [[TMP13]], <vscale x 2 x i1> [[TMP14]], <vscale x 2 x i1> zeroinitializer
; CHECK-NEXT: [[PREDPHI:%.*]] = select <vscale x 2 x i1> [[TMP15]], <vscale x 2 x i32> [[TMP7]], <vscale x 2 x i32> [[TMP8]]
; CHECK-NEXT: [[TMP16:%.*]] = shl <vscale x 2 x i32> [[PREDPHI]], splat (i32 8)
; CHECK-NEXT: [[TMP17:%.*]] = trunc <vscale x 2 x i32> [[TMP16]] to <vscale x 2 x i8>
; CHECK-NEXT: call void @llvm.vp.scatter.nxv2i8.nxv2p0(<vscale x 2 x i8> [[TMP17]], <vscale x 2 x ptr> align 1 [[BROADCAST_SPLAT4]], <vscale x 2 x i1> splat (i1 true), i32 [[TMP11]])
; CHECK-NEXT: [[TMP20:%.*]] = mul i32 1, [[TMP11]]
; CHECK-NEXT: [[BROADCAST_SPLATINSERT5:%.*]] = insertelement <vscale x 2 x i32> poison, i32 [[TMP20]], i64 0
; CHECK-NEXT: [[BROADCAST_SPLAT6:%.*]] = shufflevector <vscale x 2 x i32> [[BROADCAST_SPLATINSERT5]], <vscale x 2 x i32> poison, <vscale x 2 x i32> zeroinitializer
; CHECK-NEXT: [[TMP13:%.*]] = call <vscale x 2 x i32> @llvm.stepvector.nxv2i32()
; CHECK-NEXT: [[TMP14:%.*]] = icmp ult <vscale x 2 x i32> [[TMP13]], [[BROADCAST_SPLAT8]]
; CHECK-NEXT: [[TMP15:%.*]] = icmp sge <vscale x 2 x i32> [[VEC_IND]], splat (i32 2)
; CHECK-NEXT: [[TMP16:%.*]] = select <vscale x 2 x i1> [[TMP14]], <vscale x 2 x i1> [[TMP15]], <vscale x 2 x i1> zeroinitializer
; CHECK-NEXT: [[PREDPHI:%.*]] = select <vscale x 2 x i1> [[TMP16]], <vscale x 2 x i32> [[TMP7]], <vscale x 2 x i32> [[TMP8]]
; CHECK-NEXT: [[TMP17:%.*]] = shl <vscale x 2 x i32> [[PREDPHI]], splat (i32 8)
; CHECK-NEXT: [[TMP19:%.*]] = trunc <vscale x 2 x i32> [[TMP17]] to <vscale x 2 x i8>
; CHECK-NEXT: call void @llvm.vp.scatter.nxv2i8.nxv2p0(<vscale x 2 x i8> [[TMP19]], <vscale x 2 x ptr> align 1 [[BROADCAST_SPLAT4]], <vscale x 2 x i1> splat (i1 true), i32 [[TMP11]])
; CHECK-NEXT: [[INDEX_EVL_NEXT]] = add nuw i32 [[TMP11]], [[EVL_BASED_IV]]
; CHECK-NEXT: [[AVL_NEXT]] = sub nuw i32 [[AVL]], [[TMP11]]
; CHECK-NEXT: [[VEC_IND_NEXT]] = add <vscale x 2 x i32> [[VEC_IND]], [[BROADCAST_SPLAT8]]
; CHECK-NEXT: [[VEC_IND_NEXT]] = add <vscale x 2 x i32> [[VEC_IND]], [[BROADCAST_SPLAT6]]
; CHECK-NEXT: [[TMP18:%.*]] = icmp eq i32 [[INDEX_EVL_NEXT]], 9
; CHECK-NEXT: br i1 [[TMP18]], label [[MIDDLE_BLOCK:%.*]], label [[FOR_COND]], !llvm.loop [[LOOP0:![0-9]+]]
; CHECK: middle.block:
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90 changes: 12 additions & 78 deletions llvm/test/Transforms/LoopVectorize/RISCV/tail-folding-gather-scatter.ll
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Expand Up @@ -10,101 +10,35 @@
define void @gather_scatter(ptr noalias %in, ptr noalias %out, ptr noalias %index, i64 %n) {
; IF-EVL-LABEL: @gather_scatter(
; IF-EVL-NEXT: entry:
; IF-EVL-NEXT: br i1 false, label [[SCALAR_PH:%.*]], label [[ENTRY:%.*]]
; IF-EVL: vector.ph:
; IF-EVL-NEXT: [[TMP7:%.*]] = call i64 @llvm.vscale.i64()
; IF-EVL-NEXT: [[TMP8:%.*]] = mul nuw i64 [[TMP7]], 2
; IF-EVL-NEXT: [[TMP9:%.*]] = call <vscale x 2 x i64> @llvm.stepvector.nxv2i64()
; IF-EVL-NEXT: [[TMP10:%.*]] = mul <vscale x 2 x i64> [[TMP9]], splat (i64 1)
; IF-EVL-NEXT: [[INDUCTION:%.*]] = add <vscale x 2 x i64> zeroinitializer, [[TMP10]]
; IF-EVL-NEXT: br label [[FOR_BODY:%.*]]
; IF-EVL: vector.body:
; IF-EVL-NEXT: [[EVL_BASED_IV:%.*]] = phi i64 [ 0, [[ENTRY]] ], [ [[INDEX_EVL_NEXT:%.*]], [[FOR_BODY]] ]
; IF-EVL-NEXT: [[VEC_IND:%.*]] = phi <vscale x 2 x i64> [ [[INDUCTION]], [[ENTRY]] ], [ [[VEC_IND_NEXT:%.*]], [[FOR_BODY]] ]
; IF-EVL-NEXT: [[AVL:%.*]] = phi i64 [ [[N:%.*]], [[ENTRY]] ], [ [[AVL_NEXT:%.*]], [[FOR_BODY]] ]
; IF-EVL-NEXT: [[TMP11:%.*]] = call i32 @llvm.experimental.get.vector.length.i64(i64 [[AVL]], i32 2, i1 true)
; IF-EVL-NEXT: [[TMP12:%.*]] = zext i32 [[TMP11]] to i64
; IF-EVL-NEXT: [[TMP13:%.*]] = mul i64 1, [[TMP12]]
; IF-EVL-NEXT: [[BROADCAST_SPLATINSERT:%.*]] = insertelement <vscale x 2 x i64> poison, i64 [[TMP13]], i64 0
; IF-EVL-NEXT: [[BROADCAST_SPLAT:%.*]] = shufflevector <vscale x 2 x i64> [[BROADCAST_SPLATINSERT]], <vscale x 2 x i64> poison, <vscale x 2 x i32> zeroinitializer
; IF-EVL-NEXT: [[TMP14:%.*]] = getelementptr inbounds i32, ptr [[INDEX:%.*]], <vscale x 2 x i64> [[VEC_IND]]
; IF-EVL-NEXT: [[WIDE_MASKED_GATHER:%.*]] = call <vscale x 2 x i64> @llvm.vp.gather.nxv2i64.nxv2p0(<vscale x 2 x ptr> align 8 [[TMP14]], <vscale x 2 x i1> splat (i1 true), i32 [[TMP11]])
; IF-EVL-NEXT: [[TMP15:%.*]] = getelementptr inbounds float, ptr [[IN:%.*]], <vscale x 2 x i64> [[WIDE_MASKED_GATHER]]
; IF-EVL-NEXT: [[WIDE_MASKED_GATHER2:%.*]] = call <vscale x 2 x float> @llvm.vp.gather.nxv2f32.nxv2p0(<vscale x 2 x ptr> align 4 [[TMP15]], <vscale x 2 x i1> splat (i1 true), i32 [[TMP11]])
; IF-EVL-NEXT: [[TMP16:%.*]] = getelementptr inbounds float, ptr [[OUT:%.*]], <vscale x 2 x i64> [[WIDE_MASKED_GATHER]]
; IF-EVL-NEXT: call void @llvm.vp.scatter.nxv2f32.nxv2p0(<vscale x 2 x float> [[WIDE_MASKED_GATHER2]], <vscale x 2 x ptr> align 4 [[TMP16]], <vscale x 2 x i1> splat (i1 true), i32 [[TMP11]])
; IF-EVL-NEXT: [[TMP17:%.*]] = zext i32 [[TMP11]] to i64
; IF-EVL-NEXT: [[INDEX_EVL_NEXT]] = add i64 [[TMP17]], [[EVL_BASED_IV]]
; IF-EVL-NEXT: [[AVL_NEXT]] = sub nuw i64 [[AVL]], [[TMP17]]
; IF-EVL-NEXT: [[VEC_IND_NEXT]] = add <vscale x 2 x i64> [[VEC_IND]], [[BROADCAST_SPLAT]]
; IF-EVL-NEXT: [[TMP18:%.*]] = icmp eq i64 [[INDEX_EVL_NEXT]], [[N]]
; IF-EVL-NEXT: br i1 [[TMP18]], label [[MIDDLE_BLOCK:%.*]], label [[FOR_BODY]], !llvm.loop [[LOOP0:![0-9]+]]
; IF-EVL: middle.block:
; IF-EVL-NEXT: br label [[FOR_END:%.*]]
; IF-EVL: scalar.ph:
; IF-EVL-NEXT: br label [[FOR_BODY1:%.*]]
; IF-EVL: for.body:
; IF-EVL-NEXT: [[INDVARS_IV1:%.*]] = phi i64 [ 0, [[SCALAR_PH]] ], [ [[INDVARS_IV_NEXT1:%.*]], [[FOR_BODY1]] ]
; IF-EVL-NEXT: [[ARRAYIDX3:%.*]] = getelementptr inbounds i32, ptr [[INDEX]], i64 [[INDVARS_IV1]]
; IF-EVL-NEXT: [[INDVARS_IV1:%.*]] = phi i64 [ 0, [[SCALAR_PH:%.*]] ], [ [[INDVARS_IV_NEXT1:%.*]], [[FOR_BODY1]] ]
; IF-EVL-NEXT: [[ARRAYIDX3:%.*]] = getelementptr inbounds i32, ptr [[INDEX:%.*]], i64 [[INDVARS_IV1]]
; IF-EVL-NEXT: [[TMP0:%.*]] = load i64, ptr [[ARRAYIDX3]], align 8
; IF-EVL-NEXT: [[ARRAYIDX5:%.*]] = getelementptr inbounds float, ptr [[IN]], i64 [[TMP0]]
; IF-EVL-NEXT: [[ARRAYIDX5:%.*]] = getelementptr inbounds float, ptr [[IN:%.*]], i64 [[TMP0]]
; IF-EVL-NEXT: [[TMP1:%.*]] = load float, ptr [[ARRAYIDX5]], align 4
; IF-EVL-NEXT: [[ARRAYIDX7:%.*]] = getelementptr inbounds float, ptr [[OUT]], i64 [[TMP0]]
; IF-EVL-NEXT: [[ARRAYIDX7:%.*]] = getelementptr inbounds float, ptr [[OUT:%.*]], i64 [[TMP0]]
; IF-EVL-NEXT: store float [[TMP1]], ptr [[ARRAYIDX7]], align 4
; IF-EVL-NEXT: [[INDVARS_IV_NEXT1]] = add nuw nsw i64 [[INDVARS_IV1]], 1
; IF-EVL-NEXT: [[EXITCOND_NOT:%.*]] = icmp eq i64 [[INDVARS_IV_NEXT1]], [[N]]
; IF-EVL-NEXT: br i1 [[EXITCOND_NOT]], label [[FOR_END]], label [[FOR_BODY1]], !llvm.loop [[LOOP4:![0-9]+]]
; IF-EVL-NEXT: [[EXITCOND_NOT:%.*]] = icmp eq i64 [[INDVARS_IV_NEXT1]], [[N:%.*]]
; IF-EVL-NEXT: br i1 [[EXITCOND_NOT]], label [[FOR_END:%.*]], label [[FOR_BODY1]]
; IF-EVL: for.end:
; IF-EVL-NEXT: ret void
;
; NO-VP-LABEL: @gather_scatter(
; NO-VP-NEXT: entry:
; NO-VP-NEXT: [[TMP13:%.*]] = call i64 @llvm.vscale.i64()
; NO-VP-NEXT: [[TMP14:%.*]] = mul nuw i64 [[TMP13]], 2
; NO-VP-NEXT: [[MIN_ITERS_CHECK:%.*]] = icmp ult i64 [[N:%.*]], [[TMP14]]
; NO-VP-NEXT: br i1 [[MIN_ITERS_CHECK]], label [[SCALAR_PH:%.*]], label [[ENTRY:%.*]]
; NO-VP: vector.ph:
; NO-VP-NEXT: [[TMP2:%.*]] = call i64 @llvm.vscale.i64()
; NO-VP-NEXT: [[TMP3:%.*]] = mul nuw i64 [[TMP2]], 2
; NO-VP-NEXT: [[N_MOD_VF:%.*]] = urem i64 [[N]], [[TMP3]]
; NO-VP-NEXT: [[N_VEC:%.*]] = sub i64 [[N]], [[N_MOD_VF]]
; NO-VP-NEXT: [[TMP6:%.*]] = call <vscale x 2 x i64> @llvm.stepvector.nxv2i64()
; NO-VP-NEXT: [[TMP7:%.*]] = mul <vscale x 2 x i64> [[TMP6]], splat (i64 1)
; NO-VP-NEXT: [[INDUCTION:%.*]] = add <vscale x 2 x i64> zeroinitializer, [[TMP7]]
; NO-VP-NEXT: [[TMP8:%.*]] = mul i64 1, [[TMP3]]
; NO-VP-NEXT: [[BROADCAST_SPLATINSERT:%.*]] = insertelement <vscale x 2 x i64> poison, i64 [[TMP8]], i64 0
; NO-VP-NEXT: [[BROADCAST_SPLAT:%.*]] = shufflevector <vscale x 2 x i64> [[BROADCAST_SPLATINSERT]], <vscale x 2 x i64> poison, <vscale x 2 x i32> zeroinitializer
; NO-VP-NEXT: br label [[FOR_BODY:%.*]]
; NO-VP: vector.body:
; NO-VP-NEXT: [[INDVARS_IV:%.*]] = phi i64 [ 0, [[ENTRY]] ], [ [[INDVARS_IV_NEXT:%.*]], [[FOR_BODY]] ]
; NO-VP-NEXT: [[VEC_IND:%.*]] = phi <vscale x 2 x i64> [ [[INDUCTION]], [[ENTRY]] ], [ [[VEC_IND_NEXT:%.*]], [[FOR_BODY]] ]
; NO-VP-NEXT: [[TMP9:%.*]] = getelementptr inbounds i32, ptr [[INDEX:%.*]], <vscale x 2 x i64> [[VEC_IND]]
; NO-VP-NEXT: [[WIDE_MASKED_GATHER:%.*]] = call <vscale x 2 x i64> @llvm.masked.gather.nxv2i64.nxv2p0(<vscale x 2 x ptr> [[TMP9]], i32 8, <vscale x 2 x i1> splat (i1 true), <vscale x 2 x i64> poison)
; NO-VP-NEXT: [[TMP10:%.*]] = getelementptr inbounds float, ptr [[IN:%.*]], <vscale x 2 x i64> [[WIDE_MASKED_GATHER]]
; NO-VP-NEXT: [[WIDE_MASKED_GATHER2:%.*]] = call <vscale x 2 x float> @llvm.masked.gather.nxv2f32.nxv2p0(<vscale x 2 x ptr> [[TMP10]], i32 4, <vscale x 2 x i1> splat (i1 true), <vscale x 2 x float> poison)
; NO-VP-NEXT: [[TMP11:%.*]] = getelementptr inbounds float, ptr [[OUT:%.*]], <vscale x 2 x i64> [[WIDE_MASKED_GATHER]]
; NO-VP-NEXT: call void @llvm.masked.scatter.nxv2f32.nxv2p0(<vscale x 2 x float> [[WIDE_MASKED_GATHER2]], <vscale x 2 x ptr> [[TMP11]], i32 4, <vscale x 2 x i1> splat (i1 true))
; NO-VP-NEXT: [[INDVARS_IV_NEXT]] = add nuw i64 [[INDVARS_IV]], [[TMP3]]
; NO-VP-NEXT: [[VEC_IND_NEXT]] = add <vscale x 2 x i64> [[VEC_IND]], [[BROADCAST_SPLAT]]
; NO-VP-NEXT: [[TMP12:%.*]] = icmp eq i64 [[INDVARS_IV_NEXT]], [[N_VEC]]
; NO-VP-NEXT: br i1 [[TMP12]], label [[MIDDLE_BLOCK:%.*]], label [[FOR_BODY]], !llvm.loop [[LOOP0:![0-9]+]]
; NO-VP: middle.block:
; NO-VP-NEXT: [[CMP_N:%.*]] = icmp eq i64 [[N]], [[N_VEC]]
; NO-VP-NEXT: br i1 [[CMP_N]], label [[FOR_END:%.*]], label [[SCALAR_PH]]
; NO-VP: scalar.ph:
; NO-VP-NEXT: [[BC_RESUME_VAL:%.*]] = phi i64 [ [[N_VEC]], [[MIDDLE_BLOCK]] ], [ 0, [[ENTRY1:%.*]] ]
; NO-VP-NEXT: br label [[FOR_BODY1:%.*]]
; NO-VP: for.body:
; NO-VP-NEXT: [[INDVARS_IV1:%.*]] = phi i64 [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ], [ [[INDVARS_IV_NEXT1:%.*]], [[FOR_BODY1]] ]
; NO-VP-NEXT: [[ARRAYIDX3:%.*]] = getelementptr inbounds i32, ptr [[INDEX]], i64 [[INDVARS_IV1]]
; NO-VP-NEXT: [[INDVARS_IV1:%.*]] = phi i64 [ 0, [[ENTRY:%.*]] ], [ [[INDVARS_IV_NEXT1:%.*]], [[FOR_BODY1]] ]
; NO-VP-NEXT: [[ARRAYIDX3:%.*]] = getelementptr inbounds i32, ptr [[INDEX:%.*]], i64 [[INDVARS_IV1]]
; NO-VP-NEXT: [[TMP0:%.*]] = load i64, ptr [[ARRAYIDX3]], align 8
; NO-VP-NEXT: [[ARRAYIDX5:%.*]] = getelementptr inbounds float, ptr [[IN]], i64 [[TMP0]]
; NO-VP-NEXT: [[ARRAYIDX5:%.*]] = getelementptr inbounds float, ptr [[IN:%.*]], i64 [[TMP0]]
; NO-VP-NEXT: [[TMP1:%.*]] = load float, ptr [[ARRAYIDX5]], align 4
; NO-VP-NEXT: [[ARRAYIDX7:%.*]] = getelementptr inbounds float, ptr [[OUT]], i64 [[TMP0]]
; NO-VP-NEXT: [[ARRAYIDX7:%.*]] = getelementptr inbounds float, ptr [[OUT:%.*]], i64 [[TMP0]]
; NO-VP-NEXT: store float [[TMP1]], ptr [[ARRAYIDX7]], align 4
; NO-VP-NEXT: [[INDVARS_IV_NEXT1]] = add nuw nsw i64 [[INDVARS_IV1]], 1
; NO-VP-NEXT: [[EXITCOND_NOT:%.*]] = icmp eq i64 [[INDVARS_IV_NEXT1]], [[N]]
; NO-VP-NEXT: br i1 [[EXITCOND_NOT]], label [[FOR_END]], label [[FOR_BODY1]], !llvm.loop [[LOOP3:![0-9]+]]
; NO-VP-NEXT: [[EXITCOND_NOT:%.*]] = icmp eq i64 [[INDVARS_IV_NEXT1]], [[N:%.*]]
; NO-VP-NEXT: br i1 [[EXITCOND_NOT]], label [[FOR_END:%.*]], label [[FOR_BODY1]]
; NO-VP: for.end:
; NO-VP-NEXT: ret void
;
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2 changes: 1 addition & 1 deletion llvm/test/Transforms/LoopVectorize/RISCV/truncate-to-minimal-bitwidth-evl-crash.ll
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Expand Up @@ -12,7 +12,7 @@ define void @truncate_to_minimal_bitwidths_widen_cast_recipe(ptr %src) {
; CHECK-NEXT: br i1 false, label %[[SCALAR_PH:.*]], label %[[VECTOR_PH:.*]]
; CHECK: [[VECTOR_PH]]:
; CHECK-NEXT: [[TMP3:%.*]] = call i64 @llvm.vscale.i64()
; CHECK-NEXT: [[TMP4:%.*]] = mul nuw i64 [[TMP3]], 8
; CHECK-NEXT: [[TMP1:%.*]] = mul nuw i64 [[TMP3]], 8
; CHECK-NEXT: br label %[[VECTOR_BODY:.*]]
; CHECK: [[VECTOR_BODY]]:
; CHECK-NEXT: [[EVL_BASED_IV:%.*]] = phi i64 [ 0, %[[VECTOR_PH]] ], [ [[INDEX_EVL_NEXT:%.*]], %[[VECTOR_BODY]] ]
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