| ; RUN: opt < %s -loop-vectorize -force-vector-interleave=1 -force-vector-width=4 -dce -instcombine -S | FileCheck --check-prefix VEC4_INTERL1 %s |
| ; RUN: opt < %s -loop-vectorize -force-vector-interleave=2 -force-vector-width=4 -dce -instcombine -S | FileCheck --check-prefix VEC4_INTERL2 %s |
| ; RUN: opt < %s -loop-vectorize -force-vector-interleave=2 -force-vector-width=1 -dce -instcombine -S | FileCheck --check-prefix VEC1_INTERL2 %s |
| ; RUN: opt < %s -loop-vectorize -force-vector-interleave=1 -force-vector-width=2 -dce -simplifycfg -simplifycfg-require-and-preserve-domtree=1 -instcombine -simplifycfg -simplifycfg-require-and-preserve-domtree=1 -keep-loops=false -S | FileCheck --check-prefix VEC2_INTERL1_PRED_STORE %s |
| |
| @fp_inc = common global float 0.000000e+00, align 4 |
| |
| ;void fp_iv_loop1(float init, float * __restrict__ A, int N) { |
| ; float x = init; |
| ; for (int i=0; i < N; ++i) { |
| ; A[i] = x; |
| ; x -= fp_inc; |
| ; } |
| ;} |
| |
| ; VEC4_INTERL1-LABEL: @fp_iv_loop1_fast_FMF( |
| ; VEC4_INTERL1: vector.ph: |
| ; VEC4_INTERL1: [[DOTSPLATINSERT:%.*]] = insertelement <4 x float> poison, float %init, i32 0 |
| ; VEC4_INTERL1-NEXT: [[DOTSPLAT:%.*]] = shufflevector <4 x float> [[DOTSPLATINSERT]], <4 x float> poison, <4 x i32> zeroinitializer |
| ; VEC4_INTERL1-NEXT: [[DOTSPLATINSERT2:%.*]] = insertelement <4 x float> poison, float %fpinc, i32 0 |
| ; VEC4_INTERL1-NEXT: [[DOTSPLAT3:%.*]] = shufflevector <4 x float> [[DOTSPLATINSERT2]], <4 x float> poison, <4 x i32> zeroinitializer |
| ; VEC4_INTERL1-NEXT: [[TMP5:%.*]] = fmul fast <4 x float> [[DOTSPLAT3]], <float 0.000000e+00, float 1.000000e+00, float 2.000000e+00, float 3.000000e+00> |
| ; VEC4_INTERL1-NEXT: [[INDUCTION4:%.*]] = fsub fast <4 x float> [[DOTSPLAT]], [[TMP5]] |
| ; VEC4_INTERL1-NEXT: [[TMP6:%.*]] = fmul fast float %fpinc, 4.000000e+00 |
| ; VEC4_INTERL1-NEXT: [[DOTSPLATINSERT5:%.*]] = insertelement <4 x float> poison, float [[TMP6]], i32 0 |
| ; VEC4_INTERL1-NEXT: [[DOTSPLAT6:%.*]] = shufflevector <4 x float> [[DOTSPLATINSERT5]], <4 x float> poison, <4 x i32> zeroinitializer |
| ; VEC4_INTERL1-NEXT: br label %vector.body |
| ; VEC4_INTERL1: vector.body: |
| ; VEC4_INTERL1-NEXT: [[INDEX:%.*]] = phi i64 [ 0, %vector.ph ], [ [[INDEX_NEXT:%.*]], %vector.body ] |
| ; VEC4_INTERL1-NEXT: [[VEC_IND:%.*]] = phi <4 x float> [ [[INDUCTION4]], %vector.ph ], [ [[VEC_IND_NEXT:%.*]], %vector.body ] |
| ; VEC4_INTERL1-NEXT: [[TMP8:%.*]] = getelementptr inbounds float, float* %A, i64 [[INDEX]] |
| ; VEC4_INTERL1-NEXT: [[TMP9:%.*]] = bitcast float* [[TMP8]] to <4 x float>* |
| ; VEC4_INTERL1-NEXT: store <4 x float> [[VEC_IND]], <4 x float>* [[TMP9]], align 4 |
| ; VEC4_INTERL1-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 4 |
| ; VEC4_INTERL1-NEXT: [[VEC_IND_NEXT]] = fsub fast <4 x float> [[VEC_IND]], [[DOTSPLAT6]] |
| ; VEC4_INTERL1: br i1 {{.*}}, label %middle.block, label %vector.body |
| |
| ; VEC4_INTERL2-LABEL: @fp_iv_loop1_fast_FMF( |
| ; VEC4_INTERL2: vector.ph: |
| ; VEC4_INTERL2: [[DOTSPLATINSERT:%.*]] = insertelement <4 x float> poison, float %init, i32 0 |
| ; VEC4_INTERL2-NEXT: [[DOTSPLAT:%.*]] = shufflevector <4 x float> [[DOTSPLATINSERT]], <4 x float> poison, <4 x i32> zeroinitializer |
| ; VEC4_INTERL2-NEXT: [[DOTSPLATINSERT3:%.*]] = insertelement <4 x float> poison, float %fpinc, i32 0 |
| ; VEC4_INTERL2-NEXT: [[DOTSPLAT4:%.*]] = shufflevector <4 x float> [[DOTSPLATINSERT3]], <4 x float> poison, <4 x i32> zeroinitializer |
| ; VEC4_INTERL2-NEXT: [[TMP5:%.*]] = fmul fast <4 x float> [[DOTSPLAT4]], <float 0.000000e+00, float 1.000000e+00, float 2.000000e+00, float 3.000000e+00> |
| ; VEC4_INTERL2-NEXT: [[INDUCTION5:%.*]] = fsub fast <4 x float> [[DOTSPLAT]], [[TMP5]] |
| ; VEC4_INTERL2-NEXT: [[TMP6:%.*]] = fmul fast float %fpinc, 4.000000e+00 |
| ; VEC4_INTERL2-NEXT: [[DOTSPLATINSERT6:%.*]] = insertelement <4 x float> poison, float [[TMP6]], i32 0 |
| ; VEC4_INTERL2-NEXT: [[DOTSPLAT7:%.*]] = shufflevector <4 x float> [[DOTSPLATINSERT6]], <4 x float> poison, <4 x i32> zeroinitializer |
| ; VEC4_INTERL2-NEXT: br label %vector.body |
| ; VEC4_INTERL2: vector.body: |
| ; VEC4_INTERL2-NEXT: [[INDEX:%.*]] = phi i64 [ 0, %vector.ph ], [ [[INDEX_NEXT:%.*]], %vector.body ] |
| ; VEC4_INTERL2-NEXT: [[VEC_IND:%.*]] = phi <4 x float> [ [[INDUCTION5]], %vector.ph ], [ [[VEC_IND_NEXT:%.*]], %vector.body ] |
| ; VEC4_INTERL2-NEXT: [[STEP_ADD:%.*]] = fsub fast <4 x float> [[VEC_IND]], [[DOTSPLAT7]] |
| ; VEC4_INTERL2-NEXT: [[TMP9:%.*]] = getelementptr inbounds float, float* %A, i64 [[INDEX]] |
| ; VEC4_INTERL2-NEXT: [[TMP10:%.*]] = bitcast float* [[TMP9]] to <4 x float>* |
| ; VEC4_INTERL2-NEXT: store <4 x float> [[VEC_IND]], <4 x float>* [[TMP10]], align 4 |
| ; VEC4_INTERL2-NEXT: [[TMP11:%.*]] = getelementptr inbounds float, float* [[TMP9]], i64 4 |
| ; VEC4_INTERL2-NEXT: [[TMP12:%.*]] = bitcast float* [[TMP11]] to <4 x float>* |
| ; VEC4_INTERL2-NEXT: store <4 x float> [[STEP_ADD]], <4 x float>* [[TMP12]], align 4 |
| ; VEC4_INTERL2-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 8 |
| ; VEC4_INTERL2-NEXT: [[VEC_IND_NEXT]] = fsub fast <4 x float> [[STEP_ADD]], [[DOTSPLAT7]] |
| ; VEC4_INTERL2: br i1 {{.*}}, label %middle.block, label %vector.body |
| |
| ; VEC1_INTERL2-LABEL: @fp_iv_loop1_fast_FMF( |
| ; VEC1_INTERL2: vector.ph: |
| ; VEC1_INTERL2: br label %vector.body |
| ; VEC1_INTERL2: vector.body: |
| ; VEC1_INTERL2-NEXT: [[INDEX:%.*]] = phi i64 [ 0, %vector.ph ], [ [[INDEX_NEXT:%.*]], %vector.body ] |
| ; VEC1_INTERL2-NEXT: [[INDUCTION2:%.*]] = or i64 [[INDEX]], 1 |
| ; VEC1_INTERL2-NEXT: [[TMP6:%.*]] = sitofp i64 [[INDEX]] to float |
| ; VEC1_INTERL2-NEXT: [[TMP7:%.*]] = fmul fast float %fpinc, [[TMP6]] |
| ; VEC1_INTERL2-NEXT: [[FP_OFFSET_IDX:%.*]] = fsub fast float %init, [[TMP7]] |
| ; VEC1_INTERL2-NEXT: [[TMP8:%.*]] = fsub fast float [[FP_OFFSET_IDX]], %fpinc |
| ; VEC1_INTERL2-NEXT: [[TMP9:%.*]] = getelementptr inbounds float, float* %A, i64 [[INDEX]] |
| ; VEC1_INTERL2-NEXT: [[TMP10:%.*]] = getelementptr inbounds float, float* %A, i64 [[INDUCTION2]] |
| ; VEC1_INTERL2-NEXT: store float [[FP_OFFSET_IDX]], float* [[TMP9]], align 4 |
| ; VEC1_INTERL2-NEXT: store float [[TMP8]], float* [[TMP10]], align 4 |
| ; VEC1_INTERL2-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 2 |
| ; VEC1_INTERL2: br i1 {{.*}}, label %middle.block, label %vector.body |
| |
| define void @fp_iv_loop1_fast_FMF(float %init, float* noalias nocapture %A, i32 %N) { |
| entry: |
| %cmp4 = icmp sgt i32 %N, 0 |
| br i1 %cmp4, label %for.body.lr.ph, label %for.end |
| |
| for.body.lr.ph: ; preds = %entry |
| %fpinc = load float, float* @fp_inc, align 4 |
| br label %for.body |
| |
| for.body: ; preds = %for.body, %for.body.lr.ph |
| %indvars.iv = phi i64 [ 0, %for.body.lr.ph ], [ %indvars.iv.next, %for.body ] |
| %x.05 = phi float [ %init, %for.body.lr.ph ], [ %add, %for.body ] |
| %arrayidx = getelementptr inbounds float, float* %A, i64 %indvars.iv |
| store float %x.05, float* %arrayidx, align 4 |
| %add = fsub fast float %x.05, %fpinc |
| %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1 |
| %lftr.wideiv = trunc i64 %indvars.iv.next to i32 |
| %exitcond = icmp eq i32 %lftr.wideiv, %N |
| br i1 %exitcond, label %for.end.loopexit, label %for.body |
| |
| for.end.loopexit: ; preds = %for.body |
| br label %for.end |
| |
| for.end: ; preds = %for.end.loopexit, %entry |
| ret void |
| } |
| |
| ; We do not need the full 'fast' FMF to vectorize the loop, but the code can't become |
| ; 'fast' spontaneously - FMF should propagate from the original IR. |
| |
| define void @fp_iv_loop1_reassoc_FMF(float %init, float* noalias nocapture %A, i32 %N) { |
| ; VEC4_INTERL1-LABEL: @fp_iv_loop1_reassoc_FMF( |
| ; VEC4_INTERL1-NEXT: entry: |
| ; VEC4_INTERL1-NEXT: [[CMP4:%.*]] = icmp sgt i32 [[N:%.*]], 0 |
| ; VEC4_INTERL1-NEXT: br i1 [[CMP4]], label [[FOR_BODY_LR_PH:%.*]], label [[FOR_END:%.*]] |
| ; VEC4_INTERL1: for.body.lr.ph: |
| ; VEC4_INTERL1-NEXT: [[FPINC:%.*]] = load float, float* @fp_inc, align 4 |
| ; VEC4_INTERL1-NEXT: [[TMP0:%.*]] = add i32 [[N]], -1 |
| ; VEC4_INTERL1-NEXT: [[TMP1:%.*]] = zext i32 [[TMP0]] to i64 |
| ; VEC4_INTERL1-NEXT: [[TMP2:%.*]] = add nuw nsw i64 [[TMP1]], 1 |
| ; VEC4_INTERL1-NEXT: [[MIN_ITERS_CHECK:%.*]] = icmp ult i32 [[TMP0]], 3 |
| ; VEC4_INTERL1-NEXT: br i1 [[MIN_ITERS_CHECK]], label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]] |
| ; VEC4_INTERL1: vector.ph: |
| ; VEC4_INTERL1-NEXT: [[N_VEC:%.*]] = and i64 [[TMP2]], 8589934588 |
| ; VEC4_INTERL1-NEXT: [[CAST_CRD:%.*]] = sitofp i64 [[N_VEC]] to float |
| ; VEC4_INTERL1-NEXT: [[TMP3:%.*]] = fmul reassoc float [[FPINC]], [[CAST_CRD]] |
| ; VEC4_INTERL1-NEXT: [[IND_END:%.*]] = fsub reassoc float [[INIT:%.*]], [[TMP3]] |
| ; VEC4_INTERL1-NEXT: [[DOTSPLATINSERT:%.*]] = insertelement <4 x float> poison, float [[INIT]], i32 0 |
| ; VEC4_INTERL1-NEXT: [[DOTSPLAT:%.*]] = shufflevector <4 x float> [[DOTSPLATINSERT]], <4 x float> poison, <4 x i32> zeroinitializer |
| ; VEC4_INTERL1-NEXT: [[DOTSPLATINSERT2:%.*]] = insertelement <4 x float> poison, float [[FPINC]], i32 0 |
| ; VEC4_INTERL1-NEXT: [[DOTSPLAT3:%.*]] = shufflevector <4 x float> [[DOTSPLATINSERT2]], <4 x float> poison, <4 x i32> zeroinitializer |
| ; VEC4_INTERL1-NEXT: [[TMP4:%.*]] = fmul reassoc <4 x float> [[DOTSPLAT3]], <float 0.000000e+00, float 1.000000e+00, float 2.000000e+00, float 3.000000e+00> |
| ; VEC4_INTERL1-NEXT: [[INDUCTION:%.*]] = fsub reassoc <4 x float> [[DOTSPLAT]], [[TMP4]] |
| ; VEC4_INTERL1-NEXT: [[TMP5:%.*]] = fmul reassoc float [[FPINC]], 4.000000e+00 |
| ; VEC4_INTERL1-NEXT: [[DOTSPLATINSERT4:%.*]] = insertelement <4 x float> poison, float [[TMP5]], i32 0 |
| ; VEC4_INTERL1-NEXT: [[DOTSPLAT5:%.*]] = shufflevector <4 x float> [[DOTSPLATINSERT4]], <4 x float> poison, <4 x i32> zeroinitializer |
| ; VEC4_INTERL1-NEXT: br label [[VECTOR_BODY:%.*]] |
| ; VEC4_INTERL1: vector.body: |
| ; VEC4_INTERL1-NEXT: [[INDEX:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ] |
| ; VEC4_INTERL1-NEXT: [[VEC_IND:%.*]] = phi <4 x float> [ [[INDUCTION]], [[VECTOR_PH]] ], [ [[VEC_IND_NEXT:%.*]], [[VECTOR_BODY]] ] |
| ; VEC4_INTERL1-NEXT: [[TMP6:%.*]] = getelementptr inbounds float, float* [[A:%.*]], i64 [[INDEX]] |
| ; VEC4_INTERL1-NEXT: [[TMP7:%.*]] = bitcast float* [[TMP6]] to <4 x float>* |
| ; VEC4_INTERL1-NEXT: store <4 x float> [[VEC_IND]], <4 x float>* [[TMP7]], align 4 |
| ; VEC4_INTERL1-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 4 |
| ; VEC4_INTERL1-NEXT: [[VEC_IND_NEXT]] = fsub reassoc <4 x float> [[VEC_IND]], [[DOTSPLAT5]] |
| ; VEC4_INTERL1-NEXT: [[TMP8:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]] |
| ; VEC4_INTERL1-NEXT: br i1 [[TMP8]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], [[LOOP4:!llvm.loop !.*]] |
| ; VEC4_INTERL1: middle.block: |
| ; VEC4_INTERL1-NEXT: [[CMP_N:%.*]] = icmp eq i64 [[TMP2]], [[N_VEC]] |
| ; VEC4_INTERL1-NEXT: br i1 [[CMP_N]], label [[FOR_END_LOOPEXIT:%.*]], label [[SCALAR_PH]] |
| ; VEC4_INTERL1: scalar.ph: |
| ; VEC4_INTERL1-NEXT: [[BC_RESUME_VAL:%.*]] = phi i64 [ [[N_VEC]], [[MIDDLE_BLOCK]] ], [ 0, [[FOR_BODY_LR_PH]] ] |
| ; VEC4_INTERL1-NEXT: [[BC_RESUME_VAL1:%.*]] = phi float [ [[IND_END]], [[MIDDLE_BLOCK]] ], [ [[INIT]], [[FOR_BODY_LR_PH]] ] |
| ; VEC4_INTERL1-NEXT: br label [[FOR_BODY:%.*]] |
| ; VEC4_INTERL1: for.body: |
| ; VEC4_INTERL1-NEXT: [[INDVARS_IV:%.*]] = phi i64 [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ], [ [[INDVARS_IV_NEXT:%.*]], [[FOR_BODY]] ] |
| ; VEC4_INTERL1-NEXT: [[X_05:%.*]] = phi float [ [[BC_RESUME_VAL1]], [[SCALAR_PH]] ], [ [[ADD:%.*]], [[FOR_BODY]] ] |
| ; VEC4_INTERL1-NEXT: [[ARRAYIDX:%.*]] = getelementptr inbounds float, float* [[A]], i64 [[INDVARS_IV]] |
| ; VEC4_INTERL1-NEXT: store float [[X_05]], float* [[ARRAYIDX]], align 4 |
| ; VEC4_INTERL1-NEXT: [[ADD]] = fsub reassoc float [[X_05]], [[FPINC]] |
| ; VEC4_INTERL1-NEXT: [[INDVARS_IV_NEXT]] = add nuw nsw i64 [[INDVARS_IV]], 1 |
| ; VEC4_INTERL1-NEXT: [[LFTR_WIDEIV:%.*]] = trunc i64 [[INDVARS_IV_NEXT]] to i32 |
| ; VEC4_INTERL1-NEXT: [[EXITCOND:%.*]] = icmp eq i32 [[LFTR_WIDEIV]], [[N]] |
| ; VEC4_INTERL1-NEXT: br i1 [[EXITCOND]], label [[FOR_END_LOOPEXIT]], label [[FOR_BODY]], [[LOOP5:!llvm.loop !.*]] |
| ; VEC4_INTERL1: for.end.loopexit: |
| ; VEC4_INTERL1-NEXT: br label [[FOR_END]] |
| ; VEC4_INTERL1: for.end: |
| ; VEC4_INTERL1-NEXT: ret void |
| ; |
| ; VEC4_INTERL2-LABEL: @fp_iv_loop1_reassoc_FMF( |
| ; VEC4_INTERL2-NEXT: entry: |
| ; VEC4_INTERL2-NEXT: [[CMP4:%.*]] = icmp sgt i32 [[N:%.*]], 0 |
| ; VEC4_INTERL2-NEXT: br i1 [[CMP4]], label [[FOR_BODY_LR_PH:%.*]], label [[FOR_END:%.*]] |
| ; VEC4_INTERL2: for.body.lr.ph: |
| ; VEC4_INTERL2-NEXT: [[FPINC:%.*]] = load float, float* @fp_inc, align 4 |
| ; VEC4_INTERL2-NEXT: [[TMP0:%.*]] = add i32 [[N]], -1 |
| ; VEC4_INTERL2-NEXT: [[TMP1:%.*]] = zext i32 [[TMP0]] to i64 |
| ; VEC4_INTERL2-NEXT: [[TMP2:%.*]] = add nuw nsw i64 [[TMP1]], 1 |
| ; VEC4_INTERL2-NEXT: [[MIN_ITERS_CHECK:%.*]] = icmp ult i32 [[TMP0]], 7 |
| ; VEC4_INTERL2-NEXT: br i1 [[MIN_ITERS_CHECK]], label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]] |
| ; VEC4_INTERL2: vector.ph: |
| ; VEC4_INTERL2-NEXT: [[N_VEC:%.*]] = and i64 [[TMP2]], 8589934584 |
| ; VEC4_INTERL2-NEXT: [[CAST_CRD:%.*]] = sitofp i64 [[N_VEC]] to float |
| ; VEC4_INTERL2-NEXT: [[TMP3:%.*]] = fmul reassoc float [[FPINC]], [[CAST_CRD]] |
| ; VEC4_INTERL2-NEXT: [[IND_END:%.*]] = fsub reassoc float [[INIT:%.*]], [[TMP3]] |
| ; VEC4_INTERL2-NEXT: [[DOTSPLATINSERT:%.*]] = insertelement <4 x float> poison, float [[INIT]], i32 0 |
| ; VEC4_INTERL2-NEXT: [[DOTSPLAT:%.*]] = shufflevector <4 x float> [[DOTSPLATINSERT]], <4 x float> poison, <4 x i32> zeroinitializer |
| ; VEC4_INTERL2-NEXT: [[DOTSPLATINSERT2:%.*]] = insertelement <4 x float> poison, float [[FPINC]], i32 0 |
| ; VEC4_INTERL2-NEXT: [[DOTSPLAT3:%.*]] = shufflevector <4 x float> [[DOTSPLATINSERT2]], <4 x float> poison, <4 x i32> zeroinitializer |
| ; VEC4_INTERL2-NEXT: [[TMP4:%.*]] = fmul reassoc <4 x float> [[DOTSPLAT3]], <float 0.000000e+00, float 1.000000e+00, float 2.000000e+00, float 3.000000e+00> |
| ; VEC4_INTERL2-NEXT: [[INDUCTION:%.*]] = fsub reassoc <4 x float> [[DOTSPLAT]], [[TMP4]] |
| ; VEC4_INTERL2-NEXT: [[TMP5:%.*]] = fmul reassoc float [[FPINC]], 4.000000e+00 |
| ; VEC4_INTERL2-NEXT: [[DOTSPLATINSERT4:%.*]] = insertelement <4 x float> poison, float [[TMP5]], i32 0 |
| ; VEC4_INTERL2-NEXT: [[DOTSPLAT5:%.*]] = shufflevector <4 x float> [[DOTSPLATINSERT4]], <4 x float> poison, <4 x i32> zeroinitializer |
| ; VEC4_INTERL2-NEXT: br label [[VECTOR_BODY:%.*]] |
| ; VEC4_INTERL2: vector.body: |
| ; VEC4_INTERL2-NEXT: [[INDEX:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ] |
| ; VEC4_INTERL2-NEXT: [[VEC_IND:%.*]] = phi <4 x float> [ [[INDUCTION]], [[VECTOR_PH]] ], [ [[VEC_IND_NEXT:%.*]], [[VECTOR_BODY]] ] |
| ; VEC4_INTERL2-NEXT: [[STEP_ADD:%.*]] = fsub reassoc <4 x float> [[VEC_IND]], [[DOTSPLAT5]] |
| ; VEC4_INTERL2-NEXT: [[TMP6:%.*]] = getelementptr inbounds float, float* [[A:%.*]], i64 [[INDEX]] |
| ; VEC4_INTERL2-NEXT: [[TMP7:%.*]] = bitcast float* [[TMP6]] to <4 x float>* |
| ; VEC4_INTERL2-NEXT: store <4 x float> [[VEC_IND]], <4 x float>* [[TMP7]], align 4 |
| ; VEC4_INTERL2-NEXT: [[TMP8:%.*]] = getelementptr inbounds float, float* [[TMP6]], i64 4 |
| ; VEC4_INTERL2-NEXT: [[TMP9:%.*]] = bitcast float* [[TMP8]] to <4 x float>* |
| ; VEC4_INTERL2-NEXT: store <4 x float> [[STEP_ADD]], <4 x float>* [[TMP9]], align 4 |
| ; VEC4_INTERL2-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 8 |
| ; VEC4_INTERL2-NEXT: [[VEC_IND_NEXT]] = fsub reassoc <4 x float> [[STEP_ADD]], [[DOTSPLAT5]] |
| ; VEC4_INTERL2-NEXT: [[TMP10:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]] |
| ; VEC4_INTERL2-NEXT: br i1 [[TMP10]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], [[LOOP4:!llvm.loop !.*]] |
| ; VEC4_INTERL2: middle.block: |
| ; VEC4_INTERL2-NEXT: [[CMP_N:%.*]] = icmp eq i64 [[TMP2]], [[N_VEC]] |
| ; VEC4_INTERL2-NEXT: br i1 [[CMP_N]], label [[FOR_END_LOOPEXIT:%.*]], label [[SCALAR_PH]] |
| ; VEC4_INTERL2: scalar.ph: |
| ; VEC4_INTERL2-NEXT: [[BC_RESUME_VAL:%.*]] = phi i64 [ [[N_VEC]], [[MIDDLE_BLOCK]] ], [ 0, [[FOR_BODY_LR_PH]] ] |
| ; VEC4_INTERL2-NEXT: [[BC_RESUME_VAL1:%.*]] = phi float [ [[IND_END]], [[MIDDLE_BLOCK]] ], [ [[INIT]], [[FOR_BODY_LR_PH]] ] |
| ; VEC4_INTERL2-NEXT: br label [[FOR_BODY:%.*]] |
| ; VEC4_INTERL2: for.body: |
| ; VEC4_INTERL2-NEXT: [[INDVARS_IV:%.*]] = phi i64 [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ], [ [[INDVARS_IV_NEXT:%.*]], [[FOR_BODY]] ] |
| ; VEC4_INTERL2-NEXT: [[X_05:%.*]] = phi float [ [[BC_RESUME_VAL1]], [[SCALAR_PH]] ], [ [[ADD:%.*]], [[FOR_BODY]] ] |
| ; VEC4_INTERL2-NEXT: [[ARRAYIDX:%.*]] = getelementptr inbounds float, float* [[A]], i64 [[INDVARS_IV]] |
| ; VEC4_INTERL2-NEXT: store float [[X_05]], float* [[ARRAYIDX]], align 4 |
| ; VEC4_INTERL2-NEXT: [[ADD]] = fsub reassoc float [[X_05]], [[FPINC]] |
| ; VEC4_INTERL2-NEXT: [[INDVARS_IV_NEXT]] = add nuw nsw i64 [[INDVARS_IV]], 1 |
| ; VEC4_INTERL2-NEXT: [[LFTR_WIDEIV:%.*]] = trunc i64 [[INDVARS_IV_NEXT]] to i32 |
| ; VEC4_INTERL2-NEXT: [[EXITCOND:%.*]] = icmp eq i32 [[LFTR_WIDEIV]], [[N]] |
| ; VEC4_INTERL2-NEXT: br i1 [[EXITCOND]], label [[FOR_END_LOOPEXIT]], label [[FOR_BODY]], [[LOOP5:!llvm.loop !.*]] |
| ; VEC4_INTERL2: for.end.loopexit: |
| ; VEC4_INTERL2-NEXT: br label [[FOR_END]] |
| ; VEC4_INTERL2: for.end: |
| ; VEC4_INTERL2-NEXT: ret void |
| ; |
| ; VEC1_INTERL2-LABEL: @fp_iv_loop1_reassoc_FMF( |
| ; VEC1_INTERL2-NEXT: entry: |
| ; VEC1_INTERL2-NEXT: [[CMP4:%.*]] = icmp sgt i32 [[N:%.*]], 0 |
| ; VEC1_INTERL2-NEXT: br i1 [[CMP4]], label [[FOR_BODY_LR_PH:%.*]], label [[FOR_END:%.*]] |
| ; VEC1_INTERL2: for.body.lr.ph: |
| ; VEC1_INTERL2-NEXT: [[FPINC:%.*]] = load float, float* @fp_inc, align 4 |
| ; VEC1_INTERL2-NEXT: [[TMP0:%.*]] = add i32 [[N]], -1 |
| ; VEC1_INTERL2-NEXT: [[TMP1:%.*]] = zext i32 [[TMP0]] to i64 |
| ; VEC1_INTERL2-NEXT: [[TMP2:%.*]] = add nuw nsw i64 [[TMP1]], 1 |
| ; VEC1_INTERL2-NEXT: [[MIN_ITERS_CHECK:%.*]] = icmp eq i32 [[TMP0]], 0 |
| ; VEC1_INTERL2-NEXT: br i1 [[MIN_ITERS_CHECK]], label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]] |
| ; VEC1_INTERL2: vector.ph: |
| ; VEC1_INTERL2-NEXT: [[N_VEC:%.*]] = and i64 [[TMP2]], 8589934590 |
| ; VEC1_INTERL2-NEXT: [[CAST_CRD:%.*]] = sitofp i64 [[N_VEC]] to float |
| ; VEC1_INTERL2-NEXT: [[TMP3:%.*]] = fmul reassoc float [[FPINC]], [[CAST_CRD]] |
| ; VEC1_INTERL2-NEXT: [[IND_END:%.*]] = fsub reassoc float [[INIT:%.*]], [[TMP3]] |
| ; VEC1_INTERL2-NEXT: br label [[VECTOR_BODY:%.*]] |
| ; VEC1_INTERL2: vector.body: |
| ; VEC1_INTERL2-NEXT: [[INDEX:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ] |
| ; VEC1_INTERL2-NEXT: [[INDUCTION2:%.*]] = or i64 [[INDEX]], 1 |
| ; VEC1_INTERL2-NEXT: [[TMP4:%.*]] = sitofp i64 [[INDEX]] to float |
| ; VEC1_INTERL2-NEXT: [[TMP5:%.*]] = fmul reassoc float [[FPINC]], [[TMP4]] |
| ; VEC1_INTERL2-NEXT: [[OFFSET_IDX:%.*]] = fsub reassoc float [[INIT]], [[TMP5]] |
| ; VEC1_INTERL2-NEXT: [[TMP6:%.*]] = fmul reassoc float [[FPINC]], 0.000000e+00 |
| ; VEC1_INTERL2-NEXT: [[TMP7:%.*]] = fsub reassoc float [[OFFSET_IDX]], [[TMP6]] |
| ; VEC1_INTERL2-NEXT: [[TMP8:%.*]] = fsub reassoc float [[OFFSET_IDX]], [[FPINC]] |
| ; VEC1_INTERL2-NEXT: [[TMP9:%.*]] = getelementptr inbounds float, float* [[A:%.*]], i64 [[INDEX]] |
| ; VEC1_INTERL2-NEXT: [[TMP10:%.*]] = getelementptr inbounds float, float* [[A]], i64 [[INDUCTION2]] |
| ; VEC1_INTERL2-NEXT: store float [[TMP7]], float* [[TMP9]], align 4 |
| ; VEC1_INTERL2-NEXT: store float [[TMP8]], float* [[TMP10]], align 4 |
| ; VEC1_INTERL2-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 2 |
| ; VEC1_INTERL2-NEXT: [[TMP11:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]] |
| ; VEC1_INTERL2-NEXT: br i1 [[TMP11]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP0:![0-9]+]] |
| ; VEC1_INTERL2: middle.block: |
| ; VEC1_INTERL2-NEXT: [[CMP_N:%.*]] = icmp eq i64 [[TMP2]], [[N_VEC]] |
| ; VEC1_INTERL2-NEXT: br i1 [[CMP_N]], label [[FOR_END_LOOPEXIT:%.*]], label [[SCALAR_PH]] |
| ; VEC1_INTERL2: scalar.ph: |
| ; VEC1_INTERL2-NEXT: [[BC_RESUME_VAL:%.*]] = phi i64 [ [[N_VEC]], [[MIDDLE_BLOCK]] ], [ 0, [[FOR_BODY_LR_PH]] ] |
| ; VEC1_INTERL2-NEXT: [[BC_RESUME_VAL1:%.*]] = phi float [ [[IND_END]], [[MIDDLE_BLOCK]] ], [ [[INIT]], [[FOR_BODY_LR_PH]] ] |
| ; VEC1_INTERL2-NEXT: br label [[FOR_BODY:%.*]] |
| ; VEC1_INTERL2: for.body: |
| ; VEC1_INTERL2-NEXT: [[INDVARS_IV:%.*]] = phi i64 [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ], [ [[INDVARS_IV_NEXT:%.*]], [[FOR_BODY]] ] |
| ; VEC1_INTERL2-NEXT: [[X_05:%.*]] = phi float [ [[BC_RESUME_VAL1]], [[SCALAR_PH]] ], [ [[ADD:%.*]], [[FOR_BODY]] ] |
| ; VEC1_INTERL2-NEXT: [[ARRAYIDX:%.*]] = getelementptr inbounds float, float* [[A:%.*]], i64 [[INDVARS_IV]] |
| ; VEC1_INTERL2-NEXT: store float [[X_05]], float* [[ARRAYIDX]], align 4 |
| ; VEC1_INTERL2-NEXT: [[ADD]] = fsub reassoc float [[X_05]], [[FPINC]] |
| ; VEC1_INTERL2-NEXT: [[INDVARS_IV_NEXT]] = add nuw nsw i64 [[INDVARS_IV]], 1 |
| ; VEC1_INTERL2-NEXT: [[LFTR_WIDEIV:%.*]] = trunc i64 [[INDVARS_IV_NEXT]] to i32 |
| ; VEC1_INTERL2-NEXT: [[EXITCOND:%.*]] = icmp eq i32 [[LFTR_WIDEIV]], [[N]] |
| ; VEC1_INTERL2-NEXT: br i1 [[EXITCOND]], label [[FOR_END_LOOPEXIT:%.*]], label [[FOR_BODY]] |
| ; VEC1_INTERL2: for.end.loopexit: |
| ; VEC1_INTERL2-NEXT: br label [[FOR_END]] |
| ; VEC1_INTERL2: for.end: |
| ; VEC1_INTERL2-NEXT: ret void |
| ; |
| ; VEC2_INTERL1_PRED_STORE-LABEL: @fp_iv_loop1_reassoc_FMF( |
| ; VEC2_INTERL1_PRED_STORE-NEXT: entry: |
| ; VEC2_INTERL1_PRED_STORE-NEXT: [[CMP4:%.*]] = icmp sgt i32 [[N:%.*]], 0 |
| ; VEC2_INTERL1_PRED_STORE-NEXT: br i1 [[CMP4]], label [[FOR_BODY_LR_PH:%.*]], label [[FOR_END:%.*]] |
| ; VEC2_INTERL1_PRED_STORE: for.body.lr.ph: |
| ; VEC2_INTERL1_PRED_STORE-NEXT: [[FPINC:%.*]] = load float, float* @fp_inc, align 4 |
| ; VEC2_INTERL1_PRED_STORE-NEXT: [[TMP0:%.*]] = add i32 [[N]], -1 |
| ; VEC2_INTERL1_PRED_STORE-NEXT: [[TMP1:%.*]] = zext i32 [[TMP0]] to i64 |
| ; VEC2_INTERL1_PRED_STORE-NEXT: [[TMP2:%.*]] = add nuw nsw i64 [[TMP1]], 1 |
| ; VEC2_INTERL1_PRED_STORE-NEXT: [[MIN_ITERS_CHECK:%.*]] = icmp eq i32 [[TMP0]], 0 |
| ; VEC2_INTERL1_PRED_STORE-NEXT: br i1 [[MIN_ITERS_CHECK]], label [[FOR_BODY:%.*]], label [[VECTOR_PH:%.*]] |
| ; VEC2_INTERL1_PRED_STORE: vector.ph: |
| ; VEC2_INTERL1_PRED_STORE-NEXT: [[N_VEC:%.*]] = and i64 [[TMP2]], 8589934590 |
| ; VEC2_INTERL1_PRED_STORE-NEXT: [[CAST_CRD:%.*]] = sitofp i64 [[N_VEC]] to float |
| ; VEC2_INTERL1_PRED_STORE-NEXT: [[TMP3:%.*]] = fmul reassoc float [[FPINC]], [[CAST_CRD]] |
| ; VEC2_INTERL1_PRED_STORE-NEXT: [[IND_END:%.*]] = fsub reassoc float [[INIT:%.*]], [[TMP3]] |
| ; VEC2_INTERL1_PRED_STORE-NEXT: [[DOTSPLATINSERT:%.*]] = insertelement <2 x float> poison, float [[INIT]], i32 0 |
| ; VEC2_INTERL1_PRED_STORE-NEXT: [[DOTSPLAT:%.*]] = shufflevector <2 x float> [[DOTSPLATINSERT]], <2 x float> poison, <2 x i32> zeroinitializer |
| ; VEC2_INTERL1_PRED_STORE-NEXT: [[DOTSPLATINSERT2:%.*]] = insertelement <2 x float> poison, float [[FPINC]], i32 0 |
| ; VEC2_INTERL1_PRED_STORE-NEXT: [[DOTSPLAT3:%.*]] = shufflevector <2 x float> [[DOTSPLATINSERT2]], <2 x float> poison, <2 x i32> zeroinitializer |
| ; VEC2_INTERL1_PRED_STORE-NEXT: [[TMP4:%.*]] = fmul reassoc <2 x float> [[DOTSPLAT3]], <float 0.000000e+00, float 1.000000e+00> |
| ; VEC2_INTERL1_PRED_STORE-NEXT: [[INDUCTION:%.*]] = fsub reassoc <2 x float> [[DOTSPLAT]], [[TMP4]] |
| ; VEC2_INTERL1_PRED_STORE-NEXT: [[TMP5:%.*]] = fmul reassoc float [[FPINC]], 2.000000e+00 |
| ; VEC2_INTERL1_PRED_STORE-NEXT: [[DOTSPLATINSERT4:%.*]] = insertelement <2 x float> poison, float [[TMP5]], i32 0 |
| ; VEC2_INTERL1_PRED_STORE-NEXT: [[DOTSPLAT5:%.*]] = shufflevector <2 x float> [[DOTSPLATINSERT4]], <2 x float> poison, <2 x i32> zeroinitializer |
| ; VEC2_INTERL1_PRED_STORE-NEXT: br label [[VECTOR_BODY:%.*]] |
| ; VEC2_INTERL1_PRED_STORE: vector.body: |
| ; VEC2_INTERL1_PRED_STORE-NEXT: [[INDEX:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ] |
| ; VEC2_INTERL1_PRED_STORE-NEXT: [[VEC_IND:%.*]] = phi <2 x float> [ [[INDUCTION]], [[VECTOR_PH]] ], [ [[VEC_IND_NEXT:%.*]], [[VECTOR_BODY]] ] |
| ; VEC2_INTERL1_PRED_STORE-NEXT: [[TMP6:%.*]] = getelementptr inbounds float, float* [[A:%.*]], i64 [[INDEX]] |
| ; VEC2_INTERL1_PRED_STORE-NEXT: [[TMP7:%.*]] = bitcast float* [[TMP6]] to <2 x float>* |
| ; VEC2_INTERL1_PRED_STORE-NEXT: store <2 x float> [[VEC_IND]], <2 x float>* [[TMP7]], align 4 |
| ; VEC2_INTERL1_PRED_STORE-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 2 |
| ; VEC2_INTERL1_PRED_STORE-NEXT: [[VEC_IND_NEXT]] = fsub reassoc <2 x float> [[VEC_IND]], [[DOTSPLAT5]] |
| ; VEC2_INTERL1_PRED_STORE-NEXT: [[TMP8:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]] |
| ; VEC2_INTERL1_PRED_STORE-NEXT: br i1 [[TMP8]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], [[LOOP4:!llvm.loop !.*]] |
| ; VEC2_INTERL1_PRED_STORE: middle.block: |
| ; VEC2_INTERL1_PRED_STORE-NEXT: [[CMP_N:%.*]] = icmp eq i64 [[TMP2]], [[N_VEC]] |
| ; VEC2_INTERL1_PRED_STORE-NEXT: br i1 [[CMP_N]], label [[FOR_END]], label [[FOR_BODY]] |
| ; VEC2_INTERL1_PRED_STORE: for.body: |
| ; VEC2_INTERL1_PRED_STORE-NEXT: [[INDVARS_IV:%.*]] = phi i64 [ [[INDVARS_IV_NEXT:%.*]], [[FOR_BODY]] ], [ [[N_VEC]], [[MIDDLE_BLOCK]] ], [ 0, [[FOR_BODY_LR_PH]] ] |
| ; VEC2_INTERL1_PRED_STORE-NEXT: [[X_05:%.*]] = phi float [ [[ADD:%.*]], [[FOR_BODY]] ], [ [[IND_END]], [[MIDDLE_BLOCK]] ], [ [[INIT]], [[FOR_BODY_LR_PH]] ] |
| ; VEC2_INTERL1_PRED_STORE-NEXT: [[ARRAYIDX:%.*]] = getelementptr inbounds float, float* [[A]], i64 [[INDVARS_IV]] |
| ; VEC2_INTERL1_PRED_STORE-NEXT: store float [[X_05]], float* [[ARRAYIDX]], align 4 |
| ; VEC2_INTERL1_PRED_STORE-NEXT: [[ADD]] = fsub reassoc float [[X_05]], [[FPINC]] |
| ; VEC2_INTERL1_PRED_STORE-NEXT: [[INDVARS_IV_NEXT]] = add nuw nsw i64 [[INDVARS_IV]], 1 |
| ; VEC2_INTERL1_PRED_STORE-NEXT: [[LFTR_WIDEIV:%.*]] = trunc i64 [[INDVARS_IV_NEXT]] to i32 |
| ; VEC2_INTERL1_PRED_STORE-NEXT: [[EXITCOND:%.*]] = icmp eq i32 [[LFTR_WIDEIV]], [[N]] |
| ; VEC2_INTERL1_PRED_STORE-NEXT: br i1 [[EXITCOND]], label [[FOR_END]], label [[FOR_BODY]], [[LOOP5:!llvm.loop !.*]] |
| ; VEC2_INTERL1_PRED_STORE: for.end: |
| ; VEC2_INTERL1_PRED_STORE-NEXT: ret void |
| ; |
| entry: |
| %cmp4 = icmp sgt i32 %N, 0 |
| br i1 %cmp4, label %for.body.lr.ph, label %for.end |
| |
| for.body.lr.ph: ; preds = %entry |
| %fpinc = load float, float* @fp_inc, align 4 |
| br label %for.body |
| |
| for.body: ; preds = %for.body, %for.body.lr.ph |
| %indvars.iv = phi i64 [ 0, %for.body.lr.ph ], [ %indvars.iv.next, %for.body ] |
| %x.05 = phi float [ %init, %for.body.lr.ph ], [ %add, %for.body ] |
| %arrayidx = getelementptr inbounds float, float* %A, i64 %indvars.iv |
| store float %x.05, float* %arrayidx, align 4 |
| %add = fsub reassoc float %x.05, %fpinc |
| %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1 |
| %lftr.wideiv = trunc i64 %indvars.iv.next to i32 |
| %exitcond = icmp eq i32 %lftr.wideiv, %N |
| br i1 %exitcond, label %for.end.loopexit, label %for.body |
| |
| for.end.loopexit: ; preds = %for.body |
| br label %for.end |
| |
| for.end: ; preds = %for.end.loopexit, %entry |
| ret void |
| } |
| |
| ;void fp_iv_loop2(float init, float * __restrict__ A, int N) { |
| ; float x = init; |
| ; for (int i=0; i < N; ++i) { |
| ; A[i] = x; |
| ; x += 0.5; |
| ; } |
| ;} |
| |
| ; VEC4_INTERL1-LABEL: @fp_iv_loop2( |
| ; VEC4_INTERL1: vector.ph: |
| ; VEC4_INTERL1: [[DOTSPLATINSERT:%.*]] = insertelement <4 x float> poison, float %init, i32 0 |
| ; VEC4_INTERL1-NEXT: [[DOTSPLAT:%.*]] = shufflevector <4 x float> [[DOTSPLATINSERT]], <4 x float> poison, <4 x i32> zeroinitializer |
| ; VEC4_INTERL1-NEXT: [[INDUCTION2:%.*]] = fadd fast <4 x float> [[DOTSPLAT]], <float 0.000000e+00, float 5.000000e-01, float 1.000000e+00, float 1.500000e+00> |
| ; VEC4_INTERL1-NEXT: br label %vector.body |
| ; VEC4_INTERL1: vector.body: |
| ; VEC4_INTERL1-NEXT: [[INDEX:%.*]] = phi i64 [ 0, %vector.ph ], [ [[INDEX_NEXT:%.*]], %vector.body ] |
| ; VEC4_INTERL1-NEXT: [[VEC_IND:%.*]] = phi <4 x float> [ [[INDUCTION2]], %vector.ph ], [ [[VEC_IND_NEXT:%.*]], %vector.body ] |
| ; VEC4_INTERL1-NEXT: [[TMP7:%.*]] = getelementptr inbounds float, float* %A, i64 [[INDEX]] |
| ; VEC4_INTERL1-NEXT: [[TMP8:%.*]] = bitcast float* [[TMP7]] to <4 x float>* |
| ; VEC4_INTERL1-NEXT: store <4 x float> [[VEC_IND]], <4 x float>* [[TMP8]], align 4 |
| ; VEC4_INTERL1-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 4 |
| ; VEC4_INTERL1-NEXT: [[VEC_IND_NEXT]] = fadd fast <4 x float> [[VEC_IND]], <float 2.000000e+00, float 2.000000e+00, float 2.000000e+00, float 2.000000e+00> |
| ; VEC4_INTERL1: br i1 {{.*}}, label %middle.block, label %vector.body |
| |
| define void @fp_iv_loop2(float %init, float* noalias nocapture %A, i32 %N) #0 { |
| entry: |
| %cmp4 = icmp sgt i32 %N, 0 |
| br i1 %cmp4, label %for.body.preheader, label %for.end |
| |
| for.body.preheader: ; preds = %entry |
| br label %for.body |
| |
| for.body: ; preds = %for.body.preheader, %for.body |
| %indvars.iv = phi i64 [ %indvars.iv.next, %for.body ], [ 0, %for.body.preheader ] |
| %x.06 = phi float [ %conv1, %for.body ], [ %init, %for.body.preheader ] |
| %arrayidx = getelementptr inbounds float, float* %A, i64 %indvars.iv |
| store float %x.06, float* %arrayidx, align 4 |
| %conv1 = fadd fast float %x.06, 5.000000e-01 |
| %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1 |
| %lftr.wideiv = trunc i64 %indvars.iv.next to i32 |
| %exitcond = icmp eq i32 %lftr.wideiv, %N |
| br i1 %exitcond, label %for.end.loopexit, label %for.body |
| |
| for.end.loopexit: ; preds = %for.body |
| br label %for.end |
| |
| for.end: ; preds = %for.end.loopexit, %entry |
| ret void |
| } |
| |
| ;void fp_iv_loop3(float init, float * __restrict__ A, float * __restrict__ B, float * __restrict__ C, int N) { |
| ; int i = 0; |
| ; float x = init; |
| ; float y = 0.1; |
| ; for (; i < N; ++i) { |
| ; A[i] = x; |
| ; x += fp_inc; |
| ; y -= 0.5; |
| ; B[i] = x + y; |
| ; C[i] = y; |
| ; } |
| ;} |
| |
| ; VEC4_INTERL1-LABEL: @fp_iv_loop3( |
| ; VEC4_INTERL1: for.body.lr.ph: |
| ; VEC4_INTERL1: [[TMP0:%.*]] = load float, float* @fp_inc, align 4 |
| ; VEC4_INTERL1: vector.ph: |
| ; VEC4_INTERL1: [[DOTSPLATINSERT:%.*]] = insertelement <4 x float> poison, float %init, i32 0 |
| ; VEC4_INTERL1-NEXT: [[DOTSPLAT:%.*]] = shufflevector <4 x float> [[DOTSPLATINSERT]], <4 x float> poison, <4 x i32> zeroinitializer |
| ; VEC4_INTERL1-NEXT: [[DOTSPLATINSERT5:%.*]] = insertelement <4 x float> poison, float [[TMP0]], i32 0 |
| ; VEC4_INTERL1-NEXT: [[DOTSPLAT6:%.*]] = shufflevector <4 x float> [[DOTSPLATINSERT5]], <4 x float> poison, <4 x i32> zeroinitializer |
| ; VEC4_INTERL1-NEXT: [[TMP7:%.*]] = fmul fast <4 x float> [[DOTSPLAT6]], <float 0.000000e+00, float 1.000000e+00, float 2.000000e+00, float 3.000000e+00> |
| ; VEC4_INTERL1-NEXT: [[INDUCTION7:%.*]] = fadd fast <4 x float> [[DOTSPLAT]], [[TMP7]] |
| ; VEC4_INTERL1-NEXT: [[TMP8:%.*]] = fmul fast float [[TMP0]], 4.000000e+00 |
| ; VEC4_INTERL1-NEXT: [[DOTSPLATINSERT8:%.*]] = insertelement <4 x float> poison, float [[TMP8]], i32 0 |
| ; VEC4_INTERL1-NEXT: [[DOTSPLAT9:%.*]] = shufflevector <4 x float> [[DOTSPLATINSERT8]], <4 x float> poison, <4 x i32> zeroinitializer |
| ; VEC4_INTERL1-NEXT: [[BROADCAST_SPLATINSERT12:%.*]] = insertelement <4 x float> poison, float [[TMP0]], i32 0 |
| ; VEC4_INTERL1-NEXT: [[BROADCAST_SPLAT13:%.*]] = shufflevector <4 x float> [[BROADCAST_SPLATINSERT12]], <4 x float> poison, <4 x i32> zeroinitializer |
| ; VEC4_INTERL1-NEXT: br label [[VECTOR_BODY:%.*]] |
| ; VEC4_INTERL1: vector.body: |
| ; VEC4_INTERL1-NEXT: [[INDEX:%.*]] = phi i64 [ 0, %vector.ph ], [ [[INDEX_NEXT:%.*]], %vector.body ] |
| ; VEC4_INTERL1-NEXT: [[VEC_IND:%.*]] = phi <4 x float> [ <float 0x3FB99999A0000000, float 0xBFD99999A0000000, float 0xBFECCCCCC0000000, float 0xBFF6666660000000>, %vector.ph ], [ [[VEC_IND_NEXT:%.*]], %vector.body ] |
| ; VEC4_INTERL1-NEXT: [[VEC_IND10:%.*]] = phi <4 x float> [ [[INDUCTION7]], %vector.ph ], [ [[VEC_IND_NEXT11:%.*]], %vector.body ] |
| ; VEC4_INTERL1-NEXT: [[TMP12:%.*]] = getelementptr inbounds float, float* %A, i64 [[INDEX]] |
| ; VEC4_INTERL1-NEXT: [[TMP13:%.*]] = bitcast float* [[TMP12]] to <4 x float>* |
| ; VEC4_INTERL1-NEXT: store <4 x float> [[VEC_IND10]], <4 x float>* [[TMP13]], align 4 |
| ; VEC4_INTERL1-NEXT: [[TMP14:%.*]] = fadd fast <4 x float> [[VEC_IND10]], [[BROADCAST_SPLAT13]] |
| ; VEC4_INTERL1-NEXT: [[TMP15:%.*]] = fadd fast <4 x float> [[VEC_IND]], <float -5.000000e-01, float -5.000000e-01, float -5.000000e-01, float -5.000000e-01> |
| ; VEC4_INTERL1-NEXT: [[TMP16:%.*]] = fadd fast <4 x float> [[TMP15]], [[TMP14]] |
| ; VEC4_INTERL1-NEXT: [[TMP17:%.*]] = getelementptr inbounds float, float* %B, i64 [[INDEX]] |
| ; VEC4_INTERL1-NEXT: [[TMP18:%.*]] = bitcast float* [[TMP17]] to <4 x float>* |
| ; VEC4_INTERL1-NEXT: store <4 x float> [[TMP16]], <4 x float>* [[TMP18]], align 4 |
| ; VEC4_INTERL1-NEXT: [[TMP19:%.*]] = getelementptr inbounds float, float* %C, i64 [[INDEX]] |
| ; VEC4_INTERL1-NEXT: [[TMP20:%.*]] = bitcast float* [[TMP19]] to <4 x float>* |
| ; VEC4_INTERL1-NEXT: store <4 x float> [[TMP15]], <4 x float>* [[TMP20]], align 4 |
| ; VEC4_INTERL1-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 4 |
| ; VEC4_INTERL1-NEXT: [[VEC_IND_NEXT]] = fadd fast <4 x float> [[VEC_IND]], <float -2.000000e+00, float -2.000000e+00, float -2.000000e+00, float -2.000000e+00> |
| ; VEC4_INTERL1-NEXT: [[VEC_IND_NEXT11]] = fadd fast <4 x float> [[VEC_IND10]], [[DOTSPLAT9]] |
| ; VEC4_INTERL1: br i1 {{.*}}, label %middle.block, label %vector.body |
| |
| define void @fp_iv_loop3(float %init, float* noalias nocapture %A, float* noalias nocapture %B, float* noalias nocapture %C, i32 %N) { |
| entry: |
| %cmp9 = icmp sgt i32 %N, 0 |
| br i1 %cmp9, label %for.body.lr.ph, label %for.end |
| |
| for.body.lr.ph: ; preds = %entry |
| %0 = load float, float* @fp_inc, align 4 |
| br label %for.body |
| |
| for.body: ; preds = %for.body, %for.body.lr.ph |
| %indvars.iv = phi i64 [ 0, %for.body.lr.ph ], [ %indvars.iv.next, %for.body ] |
| %y.012 = phi float [ 0x3FB99999A0000000, %for.body.lr.ph ], [ %conv1, %for.body ] |
| %x.011 = phi float [ %init, %for.body.lr.ph ], [ %add, %for.body ] |
| %arrayidx = getelementptr inbounds float, float* %A, i64 %indvars.iv |
| store float %x.011, float* %arrayidx, align 4 |
| %add = fadd fast float %x.011, %0 |
| %conv1 = fadd fast float %y.012, -5.000000e-01 |
| %add2 = fadd fast float %conv1, %add |
| %arrayidx4 = getelementptr inbounds float, float* %B, i64 %indvars.iv |
| store float %add2, float* %arrayidx4, align 4 |
| %arrayidx6 = getelementptr inbounds float, float* %C, i64 %indvars.iv |
| store float %conv1, float* %arrayidx6, align 4 |
| %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1 |
| %lftr.wideiv = trunc i64 %indvars.iv.next to i32 |
| %exitcond = icmp eq i32 %lftr.wideiv, %N |
| br i1 %exitcond, label %for.end.loopexit, label %for.body |
| |
| for.end.loopexit: |
| br label %for.end |
| |
| for.end: |
| ret void |
| } |
| |
| ; Start and step values are constants. There is no 'fmul' operation in this case |
| ;void fp_iv_loop4(float * __restrict__ A, int N) { |
| ; float x = 1.0; |
| ; for (int i=0; i < N; ++i) { |
| ; A[i] = x; |
| ; x += 0.5; |
| ; } |
| ;} |
| |
| ; VEC4_INTERL1-LABEL: @fp_iv_loop4( |
| ; VEC4_INTERL1: vector.ph: |
| ; VEC4_INTERL1: br label %vector.body |
| ; VEC4_INTERL1: vector.body: |
| ; VEC4_INTERL1-NEXT: [[INDEX:%.*]] = phi i64 [ 0, %vector.ph ], [ [[INDEX_NEXT:%.*]], %vector.body ] |
| ; VEC4_INTERL1-NEXT: [[VEC_IND:%.*]] = phi <4 x float> [ <float 1.000000e+00, float 1.500000e+00, float 2.000000e+00, float 2.500000e+00>, %vector.ph ], [ [[VEC_IND_NEXT:%.*]], %vector.body ] |
| ; VEC4_INTERL1-NEXT: [[TMP7:%.*]] = getelementptr inbounds float, float* %A, i64 [[INDEX]] |
| ; VEC4_INTERL1-NEXT: [[TMP8:%.*]] = bitcast float* [[TMP7]] to <4 x float>* |
| ; VEC4_INTERL1-NEXT: store <4 x float> [[VEC_IND]], <4 x float>* [[TMP8]], align 4 |
| ; VEC4_INTERL1-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 4 |
| ; VEC4_INTERL1-NEXT: [[VEC_IND_NEXT]] = fadd fast <4 x float> [[VEC_IND]], <float 2.000000e+00, float 2.000000e+00, float 2.000000e+00, float 2.000000e+00> |
| ; VEC4_INTERL1: br i1 {{.*}}, label %middle.block, label %vector.body |
| |
| define void @fp_iv_loop4(float* noalias nocapture %A, i32 %N) { |
| entry: |
| %cmp4 = icmp sgt i32 %N, 0 |
| br i1 %cmp4, label %for.body.preheader, label %for.end |
| |
| for.body.preheader: ; preds = %entry |
| br label %for.body |
| |
| for.body: ; preds = %for.body.preheader, %for.body |
| %indvars.iv = phi i64 [ %indvars.iv.next, %for.body ], [ 0, %for.body.preheader ] |
| %x.06 = phi float [ %conv1, %for.body ], [ 1.000000e+00, %for.body.preheader ] |
| %arrayidx = getelementptr inbounds float, float* %A, i64 %indvars.iv |
| store float %x.06, float* %arrayidx, align 4 |
| %conv1 = fadd fast float %x.06, 5.000000e-01 |
| %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1 |
| %lftr.wideiv = trunc i64 %indvars.iv.next to i32 |
| %exitcond = icmp eq i32 %lftr.wideiv, %N |
| br i1 %exitcond, label %for.end.loopexit, label %for.body |
| |
| for.end.loopexit: ; preds = %for.body |
| br label %for.end |
| |
| for.end: ; preds = %for.end.loopexit, %entry |
| ret void |
| } |
| |
| ; VEC2_INTERL1_PRED_STORE-LABEL: @non_primary_iv_float_scalar( |
| ; VEC2_INTERL1_PRED_STORE: vector.body: |
| ; VEC2_INTERL1_PRED_STORE-NEXT: [[INDEX:%.*]] = phi i64 [ 0, %vector.ph ], [ [[INDEX_NEXT:%.*]], %[[PRED_STORE_CONTINUE7:.*]] ] |
| ; VEC2_INTERL1_PRED_STORE-NEXT: [[TMP1:%.*]] = sitofp i64 [[INDEX]] to float |
| ; VEC2_INTERL1_PRED_STORE-NEXT: [[TMP2:%.*]] = getelementptr inbounds float, float* %A, i64 [[INDEX]] |
| ; VEC2_INTERL1_PRED_STORE-NEXT: [[TMP3:%.*]] = bitcast float* [[TMP2]] to <2 x float>* |
| ; VEC2_INTERL1_PRED_STORE-NEXT: [[WIDE_LOAD:%.*]] = load <2 x float>, <2 x float>* [[TMP3]], align 4 |
| ; VEC2_INTERL1_PRED_STORE-NEXT: [[TMP4:%.*]] = fcmp fast oeq <2 x float> [[WIDE_LOAD]], zeroinitializer |
| ; VEC2_INTERL1_PRED_STORE-NEXT: [[TMP5:%.*]] = extractelement <2 x i1> [[TMP4]], i32 0 |
| ; VEC2_INTERL1_PRED_STORE-NEXT: br i1 [[TMP5]], label %[[PRED_STORE_IF:.*]], label %[[PRED_STORE_CONTINUE:.*]] |
| ; VEC2_INTERL1_PRED_STORE: [[PRED_STORE_IF]]: |
| ; VEC2_INTERL1_PRED_STORE-NEXT: [[GEP0:%.*]] = getelementptr inbounds float, float* %A, i64 [[INDEX]] |
| ; VEC2_INTERL1_PRED_STORE-NEXT: store float [[TMP1]], float* [[GEP0]], align 4 |
| ; VEC2_INTERL1_PRED_STORE-NEXT: br label %[[PRED_STORE_CONTINUE]] |
| ; VEC2_INTERL1_PRED_STORE: [[PRED_STORE_CONTINUE]]: |
| ; VEC2_INTERL1_PRED_STORE-NEXT: [[TMP8:%.*]] = extractelement <2 x i1> [[TMP4]], i32 1 |
| ; VEC2_INTERL1_PRED_STORE-NEXT: br i1 [[TMP8]], label %[[PRED_STORE_IF6:.*]], label %[[PRED_STORE_CONTINUE7]] |
| ; VEC2_INTERL1_PRED_STORE: [[PRED_STORE_IF6]]: |
| ; VEC2_INTERL1_PRED_STORE-NEXT: [[TMP9:%.*]] = fadd fast float [[TMP1]], 1.000000e+00 |
| ; VEC2_INTERL1_PRED_STORE-NEXT: [[TMP10:%.*]] = or i64 [[INDEX]], 1 |
| ; VEC2_INTERL1_PRED_STORE-NEXT: [[TMP11:%.*]] = getelementptr inbounds float, float* %A, i64 [[TMP10]] |
| ; VEC2_INTERL1_PRED_STORE-NEXT: store float [[TMP9]], float* [[TMP11]], align 4 |
| ; VEC2_INTERL1_PRED_STORE-NEXT: br label %[[PRED_STORE_CONTINUE7]] |
| ; VEC2_INTERL1_PRED_STORE: [[PRED_STORE_CONTINUE7]]: |
| ; VEC2_INTERL1_PRED_STORE-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 2 |
| ; VEC2_INTERL1_PRED_STORE: br i1 {{.*}}, label %middle.block, label %vector.body |
| |
| define void @non_primary_iv_float_scalar(float* %A, i64 %N) { |
| entry: |
| br label %for.body |
| |
| for.body: |
| %i = phi i64 [ %i.next, %for.inc ], [ 0, %entry ] |
| %j = phi float [ %j.next, %for.inc ], [ 0.0, %entry ] |
| %tmp0 = getelementptr inbounds float, float* %A, i64 %i |
| %tmp1 = load float, float* %tmp0, align 4 |
| %tmp2 = fcmp fast oeq float %tmp1, 0.0 |
| br i1 %tmp2, label %if.pred, label %for.inc |
| |
| if.pred: |
| store float %j, float* %tmp0, align 4 |
| br label %for.inc |
| |
| for.inc: |
| %i.next = add nuw nsw i64 %i, 1 |
| %j.next = fadd fast float %j, 1.0 |
| %cond = icmp slt i64 %i.next, %N |
| br i1 %cond, label %for.body, label %for.end |
| |
| for.end: |
| ret void |
| } |