| ; NOTE: Assertions have been autogenerated by utils/update_test_checks.py |
| ; RUN: opt -mtriple riscv64-linux-gnu -mattr=+v,+d -loop-vectorize < %s -S -o - | FileCheck %s -check-prefix=OUTLOOP |
| ; RUN: opt -mtriple riscv64-linux-gnu -mattr=+v,+d -loop-vectorize -prefer-inloop-reductions < %s -S -o - | FileCheck %s -check-prefix=INLOOP |
| |
| |
| target datalayout = "e-m:e-p:64:64-i64:64-i128:128-n64-S128" |
| target triple = "riscv64" |
| |
| define i32 @add_i16_i32(i16* nocapture readonly %x, i32 %n) { |
| ; OUTLOOP-LABEL: @add_i16_i32( |
| ; OUTLOOP-NEXT: entry: |
| ; OUTLOOP-NEXT: [[CMP6:%.*]] = icmp sgt i32 [[N:%.*]], 0 |
| ; OUTLOOP-NEXT: br i1 [[CMP6]], label [[FOR_BODY_PREHEADER:%.*]], label [[FOR_COND_CLEANUP:%.*]] |
| ; OUTLOOP: for.body.preheader: |
| ; OUTLOOP-NEXT: [[TMP0:%.*]] = call i32 @llvm.vscale.i32() |
| ; OUTLOOP-NEXT: [[TMP1:%.*]] = mul i32 [[TMP0]], 4 |
| ; OUTLOOP-NEXT: [[MIN_ITERS_CHECK:%.*]] = icmp ult i32 [[N]], [[TMP1]] |
| ; OUTLOOP-NEXT: br i1 [[MIN_ITERS_CHECK]], label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]] |
| ; OUTLOOP: vector.ph: |
| ; OUTLOOP-NEXT: [[TMP2:%.*]] = call i32 @llvm.vscale.i32() |
| ; OUTLOOP-NEXT: [[TMP3:%.*]] = mul i32 [[TMP2]], 4 |
| ; OUTLOOP-NEXT: [[N_MOD_VF:%.*]] = urem i32 [[N]], [[TMP3]] |
| ; OUTLOOP-NEXT: [[N_VEC:%.*]] = sub i32 [[N]], [[N_MOD_VF]] |
| ; OUTLOOP-NEXT: br label [[VECTOR_BODY:%.*]] |
| ; OUTLOOP: vector.body: |
| ; OUTLOOP-NEXT: [[INDEX:%.*]] = phi i32 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ] |
| ; OUTLOOP-NEXT: [[VEC_PHI:%.*]] = phi <vscale x 2 x i32> [ zeroinitializer, [[VECTOR_PH]] ], [ [[TMP20:%.*]], [[VECTOR_BODY]] ] |
| ; OUTLOOP-NEXT: [[VEC_PHI1:%.*]] = phi <vscale x 2 x i32> [ zeroinitializer, [[VECTOR_PH]] ], [ [[TMP21:%.*]], [[VECTOR_BODY]] ] |
| ; OUTLOOP-NEXT: [[TMP4:%.*]] = add i32 [[INDEX]], 0 |
| ; OUTLOOP-NEXT: [[TMP5:%.*]] = call i32 @llvm.vscale.i32() |
| ; OUTLOOP-NEXT: [[TMP6:%.*]] = mul i32 [[TMP5]], 2 |
| ; OUTLOOP-NEXT: [[TMP7:%.*]] = add i32 [[TMP6]], 0 |
| ; OUTLOOP-NEXT: [[TMP8:%.*]] = mul i32 [[TMP7]], 1 |
| ; OUTLOOP-NEXT: [[TMP9:%.*]] = add i32 [[INDEX]], [[TMP8]] |
| ; OUTLOOP-NEXT: [[TMP10:%.*]] = getelementptr inbounds i16, i16* [[X:%.*]], i32 [[TMP4]] |
| ; OUTLOOP-NEXT: [[TMP11:%.*]] = getelementptr inbounds i16, i16* [[X]], i32 [[TMP9]] |
| ; OUTLOOP-NEXT: [[TMP12:%.*]] = getelementptr inbounds i16, i16* [[TMP10]], i32 0 |
| ; OUTLOOP-NEXT: [[TMP13:%.*]] = bitcast i16* [[TMP12]] to <vscale x 2 x i16>* |
| ; OUTLOOP-NEXT: [[WIDE_LOAD:%.*]] = load <vscale x 2 x i16>, <vscale x 2 x i16>* [[TMP13]], align 2 |
| ; OUTLOOP-NEXT: [[TMP14:%.*]] = call i32 @llvm.vscale.i32() |
| ; OUTLOOP-NEXT: [[TMP15:%.*]] = mul i32 [[TMP14]], 2 |
| ; OUTLOOP-NEXT: [[TMP16:%.*]] = getelementptr inbounds i16, i16* [[TMP10]], i32 [[TMP15]] |
| ; OUTLOOP-NEXT: [[TMP17:%.*]] = bitcast i16* [[TMP16]] to <vscale x 2 x i16>* |
| ; OUTLOOP-NEXT: [[WIDE_LOAD2:%.*]] = load <vscale x 2 x i16>, <vscale x 2 x i16>* [[TMP17]], align 2 |
| ; OUTLOOP-NEXT: [[TMP18:%.*]] = sext <vscale x 2 x i16> [[WIDE_LOAD]] to <vscale x 2 x i32> |
| ; OUTLOOP-NEXT: [[TMP19:%.*]] = sext <vscale x 2 x i16> [[WIDE_LOAD2]] to <vscale x 2 x i32> |
| ; OUTLOOP-NEXT: [[TMP20]] = add <vscale x 2 x i32> [[VEC_PHI]], [[TMP18]] |
| ; OUTLOOP-NEXT: [[TMP21]] = add <vscale x 2 x i32> [[VEC_PHI1]], [[TMP19]] |
| ; OUTLOOP-NEXT: [[TMP22:%.*]] = call i32 @llvm.vscale.i32() |
| ; OUTLOOP-NEXT: [[TMP23:%.*]] = mul i32 [[TMP22]], 4 |
| ; OUTLOOP-NEXT: [[INDEX_NEXT]] = add nuw i32 [[INDEX]], [[TMP23]] |
| ; OUTLOOP-NEXT: [[TMP24:%.*]] = icmp eq i32 [[INDEX_NEXT]], [[N_VEC]] |
| ; OUTLOOP-NEXT: br i1 [[TMP24]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP0:![0-9]+]] |
| ; OUTLOOP: middle.block: |
| ; OUTLOOP-NEXT: [[BIN_RDX:%.*]] = add <vscale x 2 x i32> [[TMP21]], [[TMP20]] |
| ; OUTLOOP-NEXT: [[TMP25:%.*]] = call i32 @llvm.vector.reduce.add.nxv2i32(<vscale x 2 x i32> [[BIN_RDX]]) |
| ; OUTLOOP-NEXT: [[CMP_N:%.*]] = icmp eq i32 [[N]], [[N_VEC]] |
| ; OUTLOOP-NEXT: br i1 [[CMP_N]], label [[FOR_COND_CLEANUP_LOOPEXIT:%.*]], label [[SCALAR_PH]] |
| ; OUTLOOP: scalar.ph: |
| ; OUTLOOP-NEXT: [[BC_RESUME_VAL:%.*]] = phi i32 [ [[N_VEC]], [[MIDDLE_BLOCK]] ], [ 0, [[FOR_BODY_PREHEADER]] ] |
| ; OUTLOOP-NEXT: [[BC_MERGE_RDX:%.*]] = phi i32 [ 0, [[FOR_BODY_PREHEADER]] ], [ [[TMP25]], [[MIDDLE_BLOCK]] ] |
| ; OUTLOOP-NEXT: br label [[FOR_BODY:%.*]] |
| ; OUTLOOP: for.body: |
| ; OUTLOOP-NEXT: [[I_08:%.*]] = phi i32 [ [[INC:%.*]], [[FOR_BODY]] ], [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ] |
| ; OUTLOOP-NEXT: [[R_07:%.*]] = phi i32 [ [[ADD:%.*]], [[FOR_BODY]] ], [ [[BC_MERGE_RDX]], [[SCALAR_PH]] ] |
| ; OUTLOOP-NEXT: [[ARRAYIDX:%.*]] = getelementptr inbounds i16, i16* [[X]], i32 [[I_08]] |
| ; OUTLOOP-NEXT: [[TMP26:%.*]] = load i16, i16* [[ARRAYIDX]], align 2 |
| ; OUTLOOP-NEXT: [[CONV:%.*]] = sext i16 [[TMP26]] to i32 |
| ; OUTLOOP-NEXT: [[ADD]] = add nsw i32 [[R_07]], [[CONV]] |
| ; OUTLOOP-NEXT: [[INC]] = add nuw nsw i32 [[I_08]], 1 |
| ; OUTLOOP-NEXT: [[EXITCOND:%.*]] = icmp eq i32 [[INC]], [[N]] |
| ; OUTLOOP-NEXT: br i1 [[EXITCOND]], label [[FOR_COND_CLEANUP_LOOPEXIT]], label [[FOR_BODY]], !llvm.loop [[LOOP2:![0-9]+]] |
| ; OUTLOOP: for.cond.cleanup.loopexit: |
| ; OUTLOOP-NEXT: [[ADD_LCSSA:%.*]] = phi i32 [ [[ADD]], [[FOR_BODY]] ], [ [[TMP25]], [[MIDDLE_BLOCK]] ] |
| ; OUTLOOP-NEXT: br label [[FOR_COND_CLEANUP]] |
| ; OUTLOOP: for.cond.cleanup: |
| ; OUTLOOP-NEXT: [[R_0_LCSSA:%.*]] = phi i32 [ 0, [[ENTRY:%.*]] ], [ [[ADD_LCSSA]], [[FOR_COND_CLEANUP_LOOPEXIT]] ] |
| ; OUTLOOP-NEXT: ret i32 [[R_0_LCSSA]] |
| ; |
| ; INLOOP-LABEL: @add_i16_i32( |
| ; INLOOP-NEXT: entry: |
| ; INLOOP-NEXT: [[CMP6:%.*]] = icmp sgt i32 [[N:%.*]], 0 |
| ; INLOOP-NEXT: br i1 [[CMP6]], label [[FOR_BODY_PREHEADER:%.*]], label [[FOR_COND_CLEANUP:%.*]] |
| ; INLOOP: for.body.preheader: |
| ; INLOOP-NEXT: [[TMP0:%.*]] = call i32 @llvm.vscale.i32() |
| ; INLOOP-NEXT: [[TMP1:%.*]] = mul i32 [[TMP0]], 8 |
| ; INLOOP-NEXT: [[MIN_ITERS_CHECK:%.*]] = icmp ult i32 [[N]], [[TMP1]] |
| ; INLOOP-NEXT: br i1 [[MIN_ITERS_CHECK]], label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]] |
| ; INLOOP: vector.ph: |
| ; INLOOP-NEXT: [[TMP2:%.*]] = call i32 @llvm.vscale.i32() |
| ; INLOOP-NEXT: [[TMP3:%.*]] = mul i32 [[TMP2]], 8 |
| ; INLOOP-NEXT: [[N_MOD_VF:%.*]] = urem i32 [[N]], [[TMP3]] |
| ; INLOOP-NEXT: [[N_VEC:%.*]] = sub i32 [[N]], [[N_MOD_VF]] |
| ; INLOOP-NEXT: br label [[VECTOR_BODY:%.*]] |
| ; INLOOP: vector.body: |
| ; INLOOP-NEXT: [[INDEX:%.*]] = phi i32 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ] |
| ; INLOOP-NEXT: [[VEC_PHI:%.*]] = phi i32 [ 0, [[VECTOR_PH]] ], [ [[TMP21:%.*]], [[VECTOR_BODY]] ] |
| ; INLOOP-NEXT: [[VEC_PHI1:%.*]] = phi i32 [ 0, [[VECTOR_PH]] ], [ [[TMP23:%.*]], [[VECTOR_BODY]] ] |
| ; INLOOP-NEXT: [[TMP4:%.*]] = add i32 [[INDEX]], 0 |
| ; INLOOP-NEXT: [[TMP5:%.*]] = call i32 @llvm.vscale.i32() |
| ; INLOOP-NEXT: [[TMP6:%.*]] = mul i32 [[TMP5]], 4 |
| ; INLOOP-NEXT: [[TMP7:%.*]] = add i32 [[TMP6]], 0 |
| ; INLOOP-NEXT: [[TMP8:%.*]] = mul i32 [[TMP7]], 1 |
| ; INLOOP-NEXT: [[TMP9:%.*]] = add i32 [[INDEX]], [[TMP8]] |
| ; INLOOP-NEXT: [[TMP10:%.*]] = getelementptr inbounds i16, i16* [[X:%.*]], i32 [[TMP4]] |
| ; INLOOP-NEXT: [[TMP11:%.*]] = getelementptr inbounds i16, i16* [[X]], i32 [[TMP9]] |
| ; INLOOP-NEXT: [[TMP12:%.*]] = getelementptr inbounds i16, i16* [[TMP10]], i32 0 |
| ; INLOOP-NEXT: [[TMP13:%.*]] = bitcast i16* [[TMP12]] to <vscale x 4 x i16>* |
| ; INLOOP-NEXT: [[WIDE_LOAD:%.*]] = load <vscale x 4 x i16>, <vscale x 4 x i16>* [[TMP13]], align 2 |
| ; INLOOP-NEXT: [[TMP14:%.*]] = call i32 @llvm.vscale.i32() |
| ; INLOOP-NEXT: [[TMP15:%.*]] = mul i32 [[TMP14]], 4 |
| ; INLOOP-NEXT: [[TMP16:%.*]] = getelementptr inbounds i16, i16* [[TMP10]], i32 [[TMP15]] |
| ; INLOOP-NEXT: [[TMP17:%.*]] = bitcast i16* [[TMP16]] to <vscale x 4 x i16>* |
| ; INLOOP-NEXT: [[WIDE_LOAD2:%.*]] = load <vscale x 4 x i16>, <vscale x 4 x i16>* [[TMP17]], align 2 |
| ; INLOOP-NEXT: [[TMP18:%.*]] = sext <vscale x 4 x i16> [[WIDE_LOAD]] to <vscale x 4 x i32> |
| ; INLOOP-NEXT: [[TMP19:%.*]] = sext <vscale x 4 x i16> [[WIDE_LOAD2]] to <vscale x 4 x i32> |
| ; INLOOP-NEXT: [[TMP20:%.*]] = call i32 @llvm.vector.reduce.add.nxv4i32(<vscale x 4 x i32> [[TMP18]]) |
| ; INLOOP-NEXT: [[TMP21]] = add i32 [[TMP20]], [[VEC_PHI]] |
| ; INLOOP-NEXT: [[TMP22:%.*]] = call i32 @llvm.vector.reduce.add.nxv4i32(<vscale x 4 x i32> [[TMP19]]) |
| ; INLOOP-NEXT: [[TMP23]] = add i32 [[TMP22]], [[VEC_PHI1]] |
| ; INLOOP-NEXT: [[TMP24:%.*]] = call i32 @llvm.vscale.i32() |
| ; INLOOP-NEXT: [[TMP25:%.*]] = mul i32 [[TMP24]], 8 |
| ; INLOOP-NEXT: [[INDEX_NEXT]] = add nuw i32 [[INDEX]], [[TMP25]] |
| ; INLOOP-NEXT: [[TMP26:%.*]] = icmp eq i32 [[INDEX_NEXT]], [[N_VEC]] |
| ; INLOOP-NEXT: br i1 [[TMP26]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP0:![0-9]+]] |
| ; INLOOP: middle.block: |
| ; INLOOP-NEXT: [[BIN_RDX:%.*]] = add i32 [[TMP23]], [[TMP21]] |
| ; INLOOP-NEXT: [[CMP_N:%.*]] = icmp eq i32 [[N]], [[N_VEC]] |
| ; INLOOP-NEXT: br i1 [[CMP_N]], label [[FOR_COND_CLEANUP_LOOPEXIT:%.*]], label [[SCALAR_PH]] |
| ; INLOOP: scalar.ph: |
| ; INLOOP-NEXT: [[BC_RESUME_VAL:%.*]] = phi i32 [ [[N_VEC]], [[MIDDLE_BLOCK]] ], [ 0, [[FOR_BODY_PREHEADER]] ] |
| ; INLOOP-NEXT: [[BC_MERGE_RDX:%.*]] = phi i32 [ 0, [[FOR_BODY_PREHEADER]] ], [ [[BIN_RDX]], [[MIDDLE_BLOCK]] ] |
| ; INLOOP-NEXT: br label [[FOR_BODY:%.*]] |
| ; INLOOP: for.body: |
| ; INLOOP-NEXT: [[I_08:%.*]] = phi i32 [ [[INC:%.*]], [[FOR_BODY]] ], [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ] |
| ; INLOOP-NEXT: [[R_07:%.*]] = phi i32 [ [[ADD:%.*]], [[FOR_BODY]] ], [ [[BC_MERGE_RDX]], [[SCALAR_PH]] ] |
| ; INLOOP-NEXT: [[ARRAYIDX:%.*]] = getelementptr inbounds i16, i16* [[X]], i32 [[I_08]] |
| ; INLOOP-NEXT: [[TMP27:%.*]] = load i16, i16* [[ARRAYIDX]], align 2 |
| ; INLOOP-NEXT: [[CONV:%.*]] = sext i16 [[TMP27]] to i32 |
| ; INLOOP-NEXT: [[ADD]] = add nsw i32 [[R_07]], [[CONV]] |
| ; INLOOP-NEXT: [[INC]] = add nuw nsw i32 [[I_08]], 1 |
| ; INLOOP-NEXT: [[EXITCOND:%.*]] = icmp eq i32 [[INC]], [[N]] |
| ; INLOOP-NEXT: br i1 [[EXITCOND]], label [[FOR_COND_CLEANUP_LOOPEXIT]], label [[FOR_BODY]], !llvm.loop [[LOOP2:![0-9]+]] |
| ; INLOOP: for.cond.cleanup.loopexit: |
| ; INLOOP-NEXT: [[ADD_LCSSA:%.*]] = phi i32 [ [[ADD]], [[FOR_BODY]] ], [ [[BIN_RDX]], [[MIDDLE_BLOCK]] ] |
| ; INLOOP-NEXT: br label [[FOR_COND_CLEANUP]] |
| ; INLOOP: for.cond.cleanup: |
| ; INLOOP-NEXT: [[R_0_LCSSA:%.*]] = phi i32 [ 0, [[ENTRY:%.*]] ], [ [[ADD_LCSSA]], [[FOR_COND_CLEANUP_LOOPEXIT]] ] |
| ; INLOOP-NEXT: ret i32 [[R_0_LCSSA]] |
| ; |
| entry: |
| %cmp6 = icmp sgt i32 %n, 0 |
| br i1 %cmp6, label %for.body, label %for.cond.cleanup |
| |
| for.body: ; preds = %entry, %for.body |
| %i.08 = phi i32 [ %inc, %for.body ], [ 0, %entry ] |
| %r.07 = phi i32 [ %add, %for.body ], [ 0, %entry ] |
| %arrayidx = getelementptr inbounds i16, i16* %x, i32 %i.08 |
| %0 = load i16, i16* %arrayidx, align 2 |
| %conv = sext i16 %0 to i32 |
| %add = add nsw i32 %r.07, %conv |
| %inc = add nuw nsw i32 %i.08, 1 |
| %exitcond = icmp eq i32 %inc, %n |
| br i1 %exitcond, label %for.cond.cleanup, label %for.body |
| |
| for.cond.cleanup: ; preds = %for.body, %entry |
| %r.0.lcssa = phi i32 [ 0, %entry ], [ %add, %for.body ] |
| ret i32 %r.0.lcssa |
| } |