| ; NOTE: Assertions have been autogenerated by utils/update_test_checks.py |
| ; RUN: opt -passes=loop-vectorize \ |
| ; RUN: -force-tail-folding-style=data-with-evl \ |
| ; RUN: -prefer-predicate-over-epilogue=predicate-dont-vectorize \ |
| ; RUN: -mtriple=riscv64 -mattr=+v -S < %s | FileCheck %s --check-prefix=IF-EVL |
| |
| ; RUN: opt -passes=loop-vectorize \ |
| ; RUN: -force-tail-folding-style=none \ |
| ; RUN: -prefer-predicate-over-epilogue=predicate-dont-vectorize \ |
| ; RUN: -mtriple=riscv64 -mattr=+v -S < %s | FileCheck %s --check-prefix=NO-VP |
| |
| 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: [[TMP0:%.*]] = sub i64 -1, [[N:%.*]] |
| ; IF-EVL-NEXT: [[TMP1:%.*]] = call i64 @llvm.vscale.i64() |
| ; IF-EVL-NEXT: [[TMP2:%.*]] = mul i64 [[TMP1]], 2 |
| ; IF-EVL-NEXT: [[TMP3:%.*]] = icmp ult i64 [[TMP0]], [[TMP2]] |
| ; IF-EVL-NEXT: br i1 [[TMP3]], label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]] |
| ; IF-EVL: vector.ph: |
| ; IF-EVL-NEXT: [[TMP4:%.*]] = call i64 @llvm.vscale.i64() |
| ; IF-EVL-NEXT: [[TMP5:%.*]] = mul i64 [[TMP4]], 2 |
| ; IF-EVL-NEXT: [[TMP6:%.*]] = call i64 @llvm.vscale.i64() |
| ; IF-EVL-NEXT: [[TMP7:%.*]] = mul i64 [[TMP6]], 2 |
| ; IF-EVL-NEXT: [[TMP8:%.*]] = sub i64 [[TMP7]], 1 |
| ; IF-EVL-NEXT: [[N_RND_UP:%.*]] = add i64 [[N]], [[TMP8]] |
| ; IF-EVL-NEXT: [[N_MOD_VF:%.*]] = urem i64 [[N_RND_UP]], [[TMP5]] |
| ; IF-EVL-NEXT: [[N_VEC:%.*]] = sub i64 [[N_RND_UP]], [[N_MOD_VF]] |
| ; IF-EVL-NEXT: [[TMP9:%.*]] = call i64 @llvm.vscale.i64() |
| ; IF-EVL-NEXT: [[TMP10:%.*]] = mul i64 [[TMP9]], 2 |
| ; IF-EVL-NEXT: [[TMP11:%.*]] = call <vscale x 2 x i64> @llvm.experimental.stepvector.nxv2i64() |
| ; IF-EVL-NEXT: [[TMP12:%.*]] = add <vscale x 2 x i64> [[TMP11]], zeroinitializer |
| ; IF-EVL-NEXT: [[TMP13:%.*]] = mul <vscale x 2 x i64> [[TMP12]], shufflevector (<vscale x 2 x i64> insertelement (<vscale x 2 x i64> poison, i64 1, i64 0), <vscale x 2 x i64> poison, <vscale x 2 x i32> zeroinitializer) |
| ; IF-EVL-NEXT: [[INDUCTION:%.*]] = add <vscale x 2 x i64> zeroinitializer, [[TMP13]] |
| ; IF-EVL-NEXT: [[TMP14:%.*]] = call i64 @llvm.vscale.i64() |
| ; IF-EVL-NEXT: [[TMP15:%.*]] = mul i64 [[TMP14]], 2 |
| ; IF-EVL-NEXT: [[TMP16:%.*]] = mul i64 1, [[TMP15]] |
| ; IF-EVL-NEXT: [[BROADCAST_SPLATINSERT:%.*]] = insertelement <vscale x 2 x i64> poison, i64 [[TMP16]], 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: br label [[VECTOR_BODY:%.*]] |
| ; IF-EVL: vector.body: |
| ; IF-EVL-NEXT: [[INDEX1:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ] |
| ; IF-EVL-NEXT: [[EVL_BASED_IV:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_EVL_NEXT:%.*]], [[VECTOR_BODY]] ] |
| ; IF-EVL-NEXT: [[VEC_IND:%.*]] = phi <vscale x 2 x i64> [ [[INDUCTION]], [[VECTOR_PH]] ], [ [[VEC_IND_NEXT:%.*]], [[VECTOR_BODY]] ] |
| ; IF-EVL-NEXT: [[TMP17:%.*]] = sub i64 [[N]], [[EVL_BASED_IV]] |
| ; IF-EVL-NEXT: [[TMP18:%.*]] = call i32 @llvm.experimental.get.vector.length.i64(i64 [[TMP17]], i32 2, i1 true) |
| ; IF-EVL-NEXT: [[TMP20:%.*]] = 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 [[TMP20]], <vscale x 2 x i1> shufflevector (<vscale x 2 x i1> insertelement (<vscale x 2 x i1> poison, i1 true, i64 0), <vscale x 2 x i1> poison, <vscale x 2 x i32> zeroinitializer), i32 [[TMP18]]) |
| ; IF-EVL-NEXT: [[TMP21:%.*]] = 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 [[TMP21]], <vscale x 2 x i1> shufflevector (<vscale x 2 x i1> insertelement (<vscale x 2 x i1> poison, i1 true, i64 0), <vscale x 2 x i1> poison, <vscale x 2 x i32> zeroinitializer), i32 [[TMP18]]) |
| ; IF-EVL-NEXT: [[TMP22:%.*]] = 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 [[TMP22]], <vscale x 2 x i1> shufflevector (<vscale x 2 x i1> insertelement (<vscale x 2 x i1> poison, i1 true, i64 0), <vscale x 2 x i1> poison, <vscale x 2 x i32> zeroinitializer), i32 [[TMP18]]) |
| ; IF-EVL-NEXT: [[TMP23:%.*]] = zext i32 [[TMP18]] to i64 |
| ; IF-EVL-NEXT: [[INDEX_EVL_NEXT]] = add i64 [[TMP23]], [[EVL_BASED_IV]] |
| ; IF-EVL-NEXT: [[INDEX_NEXT]] = add i64 [[INDEX1]], [[TMP10]] |
| ; IF-EVL-NEXT: [[VEC_IND_NEXT]] = add <vscale x 2 x i64> [[VEC_IND]], [[BROADCAST_SPLAT]] |
| ; IF-EVL-NEXT: [[TMP24:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]] |
| ; IF-EVL-NEXT: br i1 [[TMP24]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP0:![0-9]+]] |
| ; IF-EVL: middle.block: |
| ; IF-EVL-NEXT: br i1 true, label [[FOR_END:%.*]], label [[SCALAR_PH]] |
| ; IF-EVL: scalar.ph: |
| ; IF-EVL-NEXT: [[BC_RESUME_VAL:%.*]] = phi i64 [ [[N_VEC]], [[MIDDLE_BLOCK]] ], [ 0, [[ENTRY:%.*]] ] |
| ; IF-EVL-NEXT: br label [[FOR_BODY:%.*]] |
| ; IF-EVL: for.body: |
| ; IF-EVL-NEXT: [[INDVARS_IV:%.*]] = phi i64 [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ], [ [[INDVARS_IV_NEXT:%.*]], [[FOR_BODY]] ] |
| ; IF-EVL-NEXT: [[ARRAYIDX3:%.*]] = getelementptr inbounds i32, ptr [[INDEX]], i64 [[INDVARS_IV]] |
| ; IF-EVL-NEXT: [[TMP25:%.*]] = load i64, ptr [[ARRAYIDX3]], align 8 |
| ; IF-EVL-NEXT: [[ARRAYIDX5:%.*]] = getelementptr inbounds float, ptr [[IN]], i64 [[TMP25]] |
| ; IF-EVL-NEXT: [[TMP26:%.*]] = load float, ptr [[ARRAYIDX5]], align 4 |
| ; IF-EVL-NEXT: [[ARRAYIDX7:%.*]] = getelementptr inbounds float, ptr [[OUT]], i64 [[TMP25]] |
| ; IF-EVL-NEXT: store float [[TMP26]], ptr [[ARRAYIDX7]], align 4 |
| ; IF-EVL-NEXT: [[INDVARS_IV_NEXT]] = add nuw nsw i64 [[INDVARS_IV]], 1 |
| ; IF-EVL-NEXT: [[EXITCOND_NOT:%.*]] = icmp eq i64 [[INDVARS_IV_NEXT]], [[N]] |
| ; IF-EVL-NEXT: br i1 [[EXITCOND_NOT]], label [[FOR_END]], label [[FOR_BODY]], !llvm.loop [[LOOP3:![0-9]+]] |
| ; IF-EVL: for.end: |
| ; IF-EVL-NEXT: ret void |
| ; |
| ; NO-VP-LABEL: @gather_scatter( |
| ; NO-VP-NEXT: entry: |
| ; NO-VP-NEXT: br label [[FOR_BODY:%.*]] |
| ; NO-VP: for.body: |
| ; NO-VP-NEXT: [[INDVARS_IV:%.*]] = phi i64 [ 0, [[ENTRY:%.*]] ], [ [[INDVARS_IV_NEXT:%.*]], [[FOR_BODY]] ] |
| ; NO-VP-NEXT: [[ARRAYIDX3:%.*]] = getelementptr inbounds i32, ptr [[INDEX:%.*]], i64 [[INDVARS_IV]] |
| ; NO-VP-NEXT: [[TMP0:%.*]] = load i64, ptr [[ARRAYIDX3]], align 8 |
| ; 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: store float [[TMP1]], ptr [[ARRAYIDX7]], align 4 |
| ; NO-VP-NEXT: [[INDVARS_IV_NEXT]] = add nuw nsw i64 [[INDVARS_IV]], 1 |
| ; NO-VP-NEXT: [[EXITCOND_NOT:%.*]] = icmp eq i64 [[INDVARS_IV_NEXT]], [[N:%.*]] |
| ; NO-VP-NEXT: br i1 [[EXITCOND_NOT]], label [[FOR_END:%.*]], label [[FOR_BODY]] |
| ; NO-VP: for.end: |
| ; NO-VP-NEXT: ret void |
| ; |
| entry: |
| br label %for.body |
| |
| for.body: |
| %indvars.iv = phi i64 [ 0, %entry ], [ %indvars.iv.next, %for.body ] |
| %arrayidx3 = getelementptr inbounds i32, ptr %index, i64 %indvars.iv |
| %0 = load i64, ptr %arrayidx3, align 8 |
| %arrayidx5 = getelementptr inbounds float, ptr %in, i64 %0 |
| %1 = load float, ptr %arrayidx5, align 4 |
| %arrayidx7 = getelementptr inbounds float, ptr %out, i64 %0 |
| store float %1, ptr %arrayidx7, align 4 |
| %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1 |
| %exitcond.not = icmp eq i64 %indvars.iv.next, %n |
| br i1 %exitcond.not, label %for.end, label %for.body |
| |
| for.end: |
| ret void |
| } |