diff options
Diffstat (limited to 'llvm/test/Transforms/LoopVectorize/RISCV/vectorize-force-tail-with-evl-gather-scatter.ll')
| -rw-r--r-- | llvm/test/Transforms/LoopVectorize/RISCV/vectorize-force-tail-with-evl-gather-scatter.ll | 116 |
1 files changed, 116 insertions, 0 deletions
diff --git a/llvm/test/Transforms/LoopVectorize/RISCV/vectorize-force-tail-with-evl-gather-scatter.ll b/llvm/test/Transforms/LoopVectorize/RISCV/vectorize-force-tail-with-evl-gather-scatter.ll new file mode 100644 index 0000000..835ff37 --- /dev/null +++ b/llvm/test/Transforms/LoopVectorize/RISCV/vectorize-force-tail-with-evl-gather-scatter.ll @@ -0,0 +1,116 @@ +; 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: [[TRIP_COUNT_MINUS_1:%.*]] = sub i64 [[N]], 1 +; 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: [[DOTSPLATINSERT:%.*]] = insertelement <vscale x 2 x i64> poison, i64 [[TMP16]], i64 0 +; IF-EVL-NEXT: [[DOTSPLAT:%.*]] = shufflevector <vscale x 2 x i64> [[DOTSPLATINSERT]], <vscale x 2 x i64> poison, <vscale x 2 x i32> zeroinitializer +; IF-EVL-NEXT: [[BROADCAST_SPLATINSERT:%.*]] = insertelement <vscale x 2 x i64> poison, i64 [[TRIP_COUNT_MINUS_1]], 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: [[TMP19:%.*]] = icmp ule <vscale x 2 x i64> [[VEC_IND]], [[BROADCAST_SPLAT]] +; 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> [[TMP19]], 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> [[TMP19]], 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> [[TMP19]], 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]], [[DOTSPLAT]] +; 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 +} |