; NOTE: Assertions have been autogenerated by utils/update_test_checks.py ; RUN: opt -slp-vectorizer -slp-threshold=-5 -S -pass-remarks-output=%t < %s | FileCheck %s ; RUN: cat %t | FileCheck -check-prefix=YAML %s ; FIXME: The threshold is changed to keep this test case a bit smaller. ; The AArch64 cost model should not give such high costs to select statements. target datalayout = "e-m:e-i64:64-i128:128-n32:64-S128" target triple = "aarch64--linux" ; YAML: --- !Passed ; YAML-NEXT: Pass: slp-vectorizer ; YAML-NEXT: Name: VectorizedHorizontalReduction ; YAML-NEXT: Function: test_select ; YAML-NEXT: Args: ; YAML-NEXT: - String: 'Vectorized horizontal reduction with cost ' ; YAML-NEXT: - Cost: '-19' ; YAML-NEXT: - String: ' and with tree size ' ; YAML-NEXT: - TreeSize: '8' define i32 @test_select(i32* noalias nocapture readonly %blk1, i32* noalias nocapture readonly %blk2, i32 %lx, i32 %h) { ; CHECK-LABEL: @test_select( ; CHECK-NEXT: entry: ; CHECK-NEXT: [[CMP_22:%.*]] = icmp sgt i32 [[H:%.*]], 0 ; CHECK-NEXT: br i1 [[CMP_22]], label [[FOR_BODY_LR_PH:%.*]], label [[FOR_END:%.*]] ; CHECK: for.body.lr.ph: ; CHECK-NEXT: [[IDX_EXT:%.*]] = sext i32 [[LX:%.*]] to i64 ; CHECK-NEXT: br label [[FOR_BODY:%.*]] ; CHECK: for.body: ; CHECK-NEXT: [[S_026:%.*]] = phi i32 [ 0, [[FOR_BODY_LR_PH]] ], [ [[OP_RDX:%.*]], [[FOR_BODY]] ] ; CHECK-NEXT: [[J_025:%.*]] = phi i32 [ 0, [[FOR_BODY_LR_PH]] ], [ [[INC:%.*]], [[FOR_BODY]] ] ; CHECK-NEXT: [[P2_024:%.*]] = phi i32* [ [[BLK2:%.*]], [[FOR_BODY_LR_PH]] ], [ [[ADD_PTR29:%.*]], [[FOR_BODY]] ] ; CHECK-NEXT: [[P1_023:%.*]] = phi i32* [ [[BLK1:%.*]], [[FOR_BODY_LR_PH]] ], [ [[ADD_PTR:%.*]], [[FOR_BODY]] ] ; CHECK-NEXT: [[TMP0:%.*]] = bitcast i32* [[P1_023]] to <4 x i32>* ; CHECK-NEXT: [[TMP1:%.*]] = load <4 x i32>, <4 x i32>* [[TMP0]], align 4 ; CHECK-NEXT: [[TMP2:%.*]] = bitcast i32* [[P2_024]] to <4 x i32>* ; CHECK-NEXT: [[TMP3:%.*]] = load <4 x i32>, <4 x i32>* [[TMP2]], align 4 ; CHECK-NEXT: [[TMP4:%.*]] = sub nsw <4 x i32> [[TMP1]], [[TMP3]] ; CHECK-NEXT: [[TMP5:%.*]] = icmp slt <4 x i32> [[TMP4]], zeroinitializer ; CHECK-NEXT: [[TMP6:%.*]] = sub nsw <4 x i32> zeroinitializer, [[TMP4]] ; CHECK-NEXT: [[TMP7:%.*]] = select <4 x i1> [[TMP5]], <4 x i32> [[TMP6]], <4 x i32> [[TMP4]] ; CHECK-NEXT: [[TMP8:%.*]] = call i32 @llvm.vector.reduce.add.v4i32(<4 x i32> [[TMP7]]) ; CHECK-NEXT: [[OP_RDX]] = add i32 [[TMP8]], [[S_026]] ; CHECK-NEXT: [[ADD_PTR]] = getelementptr inbounds i32, i32* [[P1_023]], i64 [[IDX_EXT]] ; CHECK-NEXT: [[ADD_PTR29]] = getelementptr inbounds i32, i32* [[P2_024]], i64 [[IDX_EXT]] ; CHECK-NEXT: [[INC]] = add nuw nsw i32 [[J_025]], 1 ; CHECK-NEXT: [[EXITCOND:%.*]] = icmp eq i32 [[INC]], [[H]] ; CHECK-NEXT: br i1 [[EXITCOND]], label [[FOR_END_LOOPEXIT:%.*]], label [[FOR_BODY]] ; CHECK: for.end.loopexit: ; CHECK-NEXT: br label [[FOR_END]] ; CHECK: for.end: ; CHECK-NEXT: [[S_0_LCSSA:%.*]] = phi i32 [ 0, [[ENTRY:%.*]] ], [ [[OP_RDX]], [[FOR_END_LOOPEXIT]] ] ; CHECK-NEXT: ret i32 [[S_0_LCSSA]] ; entry: %cmp.22 = icmp sgt i32 %h, 0 br i1 %cmp.22, label %for.body.lr.ph, label %for.end for.body.lr.ph: ; preds = %entry %idx.ext = sext i32 %lx to i64 br label %for.body for.body: ; preds = %for.body, %for.body.lr.ph %s.026 = phi i32 [ 0, %for.body.lr.ph ], [ %add27, %for.body ] %j.025 = phi i32 [ 0, %for.body.lr.ph ], [ %inc, %for.body ] %p2.024 = phi i32* [ %blk2, %for.body.lr.ph ], [ %add.ptr29, %for.body ] %p1.023 = phi i32* [ %blk1, %for.body.lr.ph ], [ %add.ptr, %for.body ] %0 = load i32, i32* %p1.023, align 4 %1 = load i32, i32* %p2.024, align 4 %sub = sub nsw i32 %0, %1 %cmp2 = icmp slt i32 %sub, 0 %sub3 = sub nsw i32 0, %sub %sub3.sub = select i1 %cmp2, i32 %sub3, i32 %sub %add = add nsw i32 %sub3.sub, %s.026 %arrayidx4 = getelementptr inbounds i32, i32* %p1.023, i64 1 %2 = load i32, i32* %arrayidx4, align 4 %arrayidx5 = getelementptr inbounds i32, i32* %p2.024, i64 1 %3 = load i32, i32* %arrayidx5, align 4 %sub6 = sub nsw i32 %2, %3 %cmp7 = icmp slt i32 %sub6, 0 %sub9 = sub nsw i32 0, %sub6 %v.1 = select i1 %cmp7, i32 %sub9, i32 %sub6 %add11 = add nsw i32 %add, %v.1 %arrayidx12 = getelementptr inbounds i32, i32* %p1.023, i64 2 %4 = load i32, i32* %arrayidx12, align 4 %arrayidx13 = getelementptr inbounds i32, i32* %p2.024, i64 2 %5 = load i32, i32* %arrayidx13, align 4 %sub14 = sub nsw i32 %4, %5 %cmp15 = icmp slt i32 %sub14, 0 %sub17 = sub nsw i32 0, %sub14 %sub17.sub14 = select i1 %cmp15, i32 %sub17, i32 %sub14 %add19 = add nsw i32 %add11, %sub17.sub14 %arrayidx20 = getelementptr inbounds i32, i32* %p1.023, i64 3 %6 = load i32, i32* %arrayidx20, align 4 %arrayidx21 = getelementptr inbounds i32, i32* %p2.024, i64 3 %7 = load i32, i32* %arrayidx21, align 4 %sub22 = sub nsw i32 %6, %7 %cmp23 = icmp slt i32 %sub22, 0 %sub25 = sub nsw i32 0, %sub22 %v.3 = select i1 %cmp23, i32 %sub25, i32 %sub22 %add27 = add nsw i32 %add19, %v.3 %add.ptr = getelementptr inbounds i32, i32* %p1.023, i64 %idx.ext %add.ptr29 = getelementptr inbounds i32, i32* %p2.024, i64 %idx.ext %inc = add nuw nsw i32 %j.025, 1 %exitcond = icmp eq i32 %inc, %h 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 %s.0.lcssa = phi i32 [ 0, %entry ], [ %add27, %for.end.loopexit ] ret i32 %s.0.lcssa } ;; Check whether SLP can find a reduction phi whose incoming blocks are not ;; the same as the block containing the phi. ;; ;; Came from code like, ;; ;; int s = 0; ;; for (int j = 0; j < h; j++) { ;; s += p1[0] * p2[0] ;; s += p1[1] * p2[1]; ;; s += p1[2] * p2[2]; ;; s += p1[3] * p2[3]; ;; if (s >= lim) ;; break; ;; p1 += lx; ;; p2 += lx; ;; } define i32 @reduction_with_br(i32* noalias nocapture readonly %blk1, i32* noalias nocapture readonly %blk2, i32 %lx, i32 %h, i32 %lim) { ; YAML: --- !Passed ; YAML-NEXT: Pass: slp-vectorizer ; YAML-NEXT: Name: VectorizedHorizontalReduction ; YAML-NEXT: Function: reduction_with_br ; YAML-NEXT: Args: ; YAML-NEXT: - String: 'Vectorized horizontal reduction with cost ' ; YAML-NEXT: - Cost: '-10' ; YAML-NEXT: - String: ' and with tree size ' ; YAML-NEXT: - TreeSize: '3' ; CHECK-LABEL: @reduction_with_br( ; CHECK-NEXT: entry: ; CHECK-NEXT: [[CMP_16:%.*]] = icmp sgt i32 [[H:%.*]], 0 ; CHECK-NEXT: br i1 [[CMP_16]], label [[FOR_BODY_LR_PH:%.*]], label [[FOR_END:%.*]] ; CHECK: for.body.lr.ph: ; CHECK-NEXT: [[IDX_EXT:%.*]] = sext i32 [[LX:%.*]] to i64 ; CHECK-NEXT: br label [[FOR_BODY:%.*]] ; CHECK: for.body: ; CHECK-NEXT: [[S_020:%.*]] = phi i32 [ 0, [[FOR_BODY_LR_PH]] ], [ [[OP_RDX:%.*]], [[IF_END:%.*]] ] ; CHECK-NEXT: [[J_019:%.*]] = phi i32 [ 0, [[FOR_BODY_LR_PH]] ], [ [[INC:%.*]], [[IF_END]] ] ; CHECK-NEXT: [[P2_018:%.*]] = phi i32* [ [[BLK2:%.*]], [[FOR_BODY_LR_PH]] ], [ [[ADD_PTR16:%.*]], [[IF_END]] ] ; CHECK-NEXT: [[P1_017:%.*]] = phi i32* [ [[BLK1:%.*]], [[FOR_BODY_LR_PH]] ], [ [[ADD_PTR:%.*]], [[IF_END]] ] ; CHECK-NEXT: [[TMP0:%.*]] = bitcast i32* [[P1_017]] to <4 x i32>* ; CHECK-NEXT: [[TMP1:%.*]] = load <4 x i32>, <4 x i32>* [[TMP0]], align 4 ; CHECK-NEXT: [[TMP2:%.*]] = bitcast i32* [[P2_018]] to <4 x i32>* ; CHECK-NEXT: [[TMP3:%.*]] = load <4 x i32>, <4 x i32>* [[TMP2]], align 4 ; CHECK-NEXT: [[TMP4:%.*]] = mul nsw <4 x i32> [[TMP3]], [[TMP1]] ; CHECK-NEXT: [[TMP5:%.*]] = call i32 @llvm.vector.reduce.add.v4i32(<4 x i32> [[TMP4]]) ; CHECK-NEXT: [[OP_RDX]] = add i32 [[TMP5]], [[S_020]] ; CHECK-NEXT: [[CMP14:%.*]] = icmp slt i32 [[OP_RDX]], [[LIM:%.*]] ; CHECK-NEXT: br i1 [[CMP14]], label [[IF_END]], label [[FOR_END_LOOPEXIT:%.*]] ; CHECK: if.end: ; CHECK-NEXT: [[ADD_PTR]] = getelementptr inbounds i32, i32* [[P1_017]], i64 [[IDX_EXT]] ; CHECK-NEXT: [[ADD_PTR16]] = getelementptr inbounds i32, i32* [[P2_018]], i64 [[IDX_EXT]] ; CHECK-NEXT: [[INC]] = add nuw nsw i32 [[J_019]], 1 ; CHECK-NEXT: [[CMP:%.*]] = icmp slt i32 [[INC]], [[H]] ; CHECK-NEXT: br i1 [[CMP]], label [[FOR_BODY]], label [[FOR_END_LOOPEXIT]] ; CHECK: for.end.loopexit: ; CHECK-NEXT: br label [[FOR_END]] ; CHECK: for.end: ; CHECK-NEXT: [[S_1:%.*]] = phi i32 [ 0, [[ENTRY:%.*]] ], [ [[OP_RDX]], [[FOR_END_LOOPEXIT]] ] ; CHECK-NEXT: ret i32 [[S_1]] ; entry: %cmp.16 = icmp sgt i32 %h, 0 br i1 %cmp.16, label %for.body.lr.ph, label %for.end for.body.lr.ph: ; preds = %entry %idx.ext = sext i32 %lx to i64 br label %for.body for.body: ; preds = %for.body.lr.ph, %if.end %s.020 = phi i32 [ 0, %for.body.lr.ph ], [ %add13, %if.end ] %j.019 = phi i32 [ 0, %for.body.lr.ph ], [ %inc, %if.end ] %p2.018 = phi i32* [ %blk2, %for.body.lr.ph ], [ %add.ptr16, %if.end ] %p1.017 = phi i32* [ %blk1, %for.body.lr.ph ], [ %add.ptr, %if.end ] %0 = load i32, i32* %p1.017, align 4 %1 = load i32, i32* %p2.018, align 4 %mul = mul nsw i32 %1, %0 %add = add nsw i32 %mul, %s.020 %arrayidx2 = getelementptr inbounds i32, i32* %p1.017, i64 1 %2 = load i32, i32* %arrayidx2, align 4 %arrayidx3 = getelementptr inbounds i32, i32* %p2.018, i64 1 %3 = load i32, i32* %arrayidx3, align 4 %mul4 = mul nsw i32 %3, %2 %add5 = add nsw i32 %add, %mul4 %arrayidx6 = getelementptr inbounds i32, i32* %p1.017, i64 2 %4 = load i32, i32* %arrayidx6, align 4 %arrayidx7 = getelementptr inbounds i32, i32* %p2.018, i64 2 %5 = load i32, i32* %arrayidx7, align 4 %mul8 = mul nsw i32 %5, %4 %add9 = add nsw i32 %add5, %mul8 %arrayidx10 = getelementptr inbounds i32, i32* %p1.017, i64 3 %6 = load i32, i32* %arrayidx10, align 4 %arrayidx11 = getelementptr inbounds i32, i32* %p2.018, i64 3 %7 = load i32, i32* %arrayidx11, align 4 %mul12 = mul nsw i32 %7, %6 %add13 = add nsw i32 %add9, %mul12 %cmp14 = icmp slt i32 %add13, %lim br i1 %cmp14, label %if.end, label %for.end.loopexit if.end: ; preds = %for.body %add.ptr = getelementptr inbounds i32, i32* %p1.017, i64 %idx.ext %add.ptr16 = getelementptr inbounds i32, i32* %p2.018, i64 %idx.ext %inc = add nuw nsw i32 %j.019, 1 %cmp = icmp slt i32 %inc, %h br i1 %cmp, label %for.body, label %for.end.loopexit for.end.loopexit: ; preds = %for.body, %if.end br label %for.end for.end: ; preds = %for.end.loopexit, %entry %s.1 = phi i32 [ 0, %entry ], [ %add13, %for.end.loopexit ] ret i32 %s.1 } ; YAML: --- !Passed ; YAML-NEXT: Pass: slp-vectorizer ; YAML-NEXT: Name: VectorizedHorizontalReduction ; YAML-NEXT: Function: test_unrolled_select ; YAML-NEXT: Args: ; YAML-NEXT: - String: 'Vectorized horizontal reduction with cost ' ; YAML-NEXT: - Cost: '-36' ; YAML-NEXT: - String: ' and with tree size ' ; YAML-NEXT: - TreeSize: '10' define i32 @test_unrolled_select(i8* noalias nocapture readonly %blk1, i8* noalias nocapture readonly %blk2, i32 %lx, i32 %h, i32 %lim) #0 { ; CHECK-LABEL: @test_unrolled_select( ; CHECK-NEXT: entry: ; CHECK-NEXT: [[CMP_43:%.*]] = icmp sgt i32 [[H:%.*]], 0 ; CHECK-NEXT: br i1 [[CMP_43]], label [[FOR_BODY_LR_PH:%.*]], label [[FOR_END:%.*]] ; CHECK: for.body.lr.ph: ; CHECK-NEXT: [[IDX_EXT:%.*]] = sext i32 [[LX:%.*]] to i64 ; CHECK-NEXT: br label [[FOR_BODY:%.*]] ; CHECK: for.body: ; CHECK-NEXT: [[S_047:%.*]] = phi i32 [ 0, [[FOR_BODY_LR_PH]] ], [ [[OP_RDX:%.*]], [[IF_END_86:%.*]] ] ; CHECK-NEXT: [[J_046:%.*]] = phi i32 [ 0, [[FOR_BODY_LR_PH]] ], [ [[INC:%.*]], [[IF_END_86]] ] ; CHECK-NEXT: [[P2_045:%.*]] = phi i8* [ [[BLK2:%.*]], [[FOR_BODY_LR_PH]] ], [ [[ADD_PTR88:%.*]], [[IF_END_86]] ] ; CHECK-NEXT: [[P1_044:%.*]] = phi i8* [ [[BLK1:%.*]], [[FOR_BODY_LR_PH]] ], [ [[ADD_PTR:%.*]], [[IF_END_86]] ] ; CHECK-NEXT: [[TMP0:%.*]] = bitcast i8* [[P1_044]] to <8 x i8>* ; CHECK-NEXT: [[TMP1:%.*]] = load <8 x i8>, <8 x i8>* [[TMP0]], align 1 ; CHECK-NEXT: [[TMP2:%.*]] = zext <8 x i8> [[TMP1]] to <8 x i32> ; CHECK-NEXT: [[TMP3:%.*]] = bitcast i8* [[P2_045]] to <8 x i8>* ; CHECK-NEXT: [[TMP4:%.*]] = load <8 x i8>, <8 x i8>* [[TMP3]], align 1 ; CHECK-NEXT: [[TMP5:%.*]] = zext <8 x i8> [[TMP4]] to <8 x i32> ; CHECK-NEXT: [[TMP6:%.*]] = sub nsw <8 x i32> [[TMP2]], [[TMP5]] ; CHECK-NEXT: [[TMP7:%.*]] = icmp slt <8 x i32> [[TMP6]], zeroinitializer ; CHECK-NEXT: [[TMP8:%.*]] = sub nsw <8 x i32> zeroinitializer, [[TMP6]] ; CHECK-NEXT: [[TMP9:%.*]] = select <8 x i1> [[TMP7]], <8 x i32> [[TMP8]], <8 x i32> [[TMP6]] ; CHECK-NEXT: [[TMP10:%.*]] = call i32 @llvm.vector.reduce.add.v8i32(<8 x i32> [[TMP9]]) ; CHECK-NEXT: [[OP_RDX]] = add i32 [[TMP10]], [[S_047]] ; CHECK-NEXT: [[CMP83:%.*]] = icmp slt i32 [[OP_RDX]], [[LIM:%.*]] ; CHECK-NEXT: br i1 [[CMP83]], label [[IF_END_86]], label [[FOR_END_LOOPEXIT:%.*]] ; CHECK: if.end.86: ; CHECK-NEXT: [[ADD_PTR]] = getelementptr inbounds i8, i8* [[P1_044]], i64 [[IDX_EXT]] ; CHECK-NEXT: [[ADD_PTR88]] = getelementptr inbounds i8, i8* [[P2_045]], i64 [[IDX_EXT]] ; CHECK-NEXT: [[INC]] = add nuw nsw i32 [[J_046]], 1 ; CHECK-NEXT: [[CMP:%.*]] = icmp slt i32 [[INC]], [[H]] ; CHECK-NEXT: br i1 [[CMP]], label [[FOR_BODY]], label [[FOR_END_LOOPEXIT]] ; CHECK: for.end.loopexit: ; CHECK-NEXT: br label [[FOR_END]] ; CHECK: for.end: ; CHECK-NEXT: [[S_1:%.*]] = phi i32 [ 0, [[ENTRY:%.*]] ], [ [[OP_RDX]], [[FOR_END_LOOPEXIT]] ] ; CHECK-NEXT: ret i32 [[S_1]] ; entry: %cmp.43 = icmp sgt i32 %h, 0 br i1 %cmp.43, label %for.body.lr.ph, label %for.end for.body.lr.ph: ; preds = %entry %idx.ext = sext i32 %lx to i64 br label %for.body for.body: ; preds = %for.body.lr.ph, %if.end.86 %s.047 = phi i32 [ 0, %for.body.lr.ph ], [ %add82, %if.end.86 ] %j.046 = phi i32 [ 0, %for.body.lr.ph ], [ %inc, %if.end.86 ] %p2.045 = phi i8* [ %blk2, %for.body.lr.ph ], [ %add.ptr88, %if.end.86 ] %p1.044 = phi i8* [ %blk1, %for.body.lr.ph ], [ %add.ptr, %if.end.86 ] %0 = load i8, i8* %p1.044, align 1 %conv = zext i8 %0 to i32 %1 = load i8, i8* %p2.045, align 1 %conv2 = zext i8 %1 to i32 %sub = sub nsw i32 %conv, %conv2 %cmp3 = icmp slt i32 %sub, 0 %sub5 = sub nsw i32 0, %sub %sub5.sub = select i1 %cmp3, i32 %sub5, i32 %sub %add = add nsw i32 %sub5.sub, %s.047 %arrayidx6 = getelementptr inbounds i8, i8* %p1.044, i64 1 %2 = load i8, i8* %arrayidx6, align 1 %conv7 = zext i8 %2 to i32 %arrayidx8 = getelementptr inbounds i8, i8* %p2.045, i64 1 %3 = load i8, i8* %arrayidx8, align 1 %conv9 = zext i8 %3 to i32 %sub10 = sub nsw i32 %conv7, %conv9 %cmp11 = icmp slt i32 %sub10, 0 %sub14 = sub nsw i32 0, %sub10 %v.1 = select i1 %cmp11, i32 %sub14, i32 %sub10 %add16 = add nsw i32 %add, %v.1 %arrayidx17 = getelementptr inbounds i8, i8* %p1.044, i64 2 %4 = load i8, i8* %arrayidx17, align 1 %conv18 = zext i8 %4 to i32 %arrayidx19 = getelementptr inbounds i8, i8* %p2.045, i64 2 %5 = load i8, i8* %arrayidx19, align 1 %conv20 = zext i8 %5 to i32 %sub21 = sub nsw i32 %conv18, %conv20 %cmp22 = icmp slt i32 %sub21, 0 %sub25 = sub nsw i32 0, %sub21 %sub25.sub21 = select i1 %cmp22, i32 %sub25, i32 %sub21 %add27 = add nsw i32 %add16, %sub25.sub21 %arrayidx28 = getelementptr inbounds i8, i8* %p1.044, i64 3 %6 = load i8, i8* %arrayidx28, align 1 %conv29 = zext i8 %6 to i32 %arrayidx30 = getelementptr inbounds i8, i8* %p2.045, i64 3 %7 = load i8, i8* %arrayidx30, align 1 %conv31 = zext i8 %7 to i32 %sub32 = sub nsw i32 %conv29, %conv31 %cmp33 = icmp slt i32 %sub32, 0 %sub36 = sub nsw i32 0, %sub32 %v.3 = select i1 %cmp33, i32 %sub36, i32 %sub32 %add38 = add nsw i32 %add27, %v.3 %arrayidx39 = getelementptr inbounds i8, i8* %p1.044, i64 4 %8 = load i8, i8* %arrayidx39, align 1 %conv40 = zext i8 %8 to i32 %arrayidx41 = getelementptr inbounds i8, i8* %p2.045, i64 4 %9 = load i8, i8* %arrayidx41, align 1 %conv42 = zext i8 %9 to i32 %sub43 = sub nsw i32 %conv40, %conv42 %cmp44 = icmp slt i32 %sub43, 0 %sub47 = sub nsw i32 0, %sub43 %sub47.sub43 = select i1 %cmp44, i32 %sub47, i32 %sub43 %add49 = add nsw i32 %add38, %sub47.sub43 %arrayidx50 = getelementptr inbounds i8, i8* %p1.044, i64 5 %10 = load i8, i8* %arrayidx50, align 1 %conv51 = zext i8 %10 to i32 %arrayidx52 = getelementptr inbounds i8, i8* %p2.045, i64 5 %11 = load i8, i8* %arrayidx52, align 1 %conv53 = zext i8 %11 to i32 %sub54 = sub nsw i32 %conv51, %conv53 %cmp55 = icmp slt i32 %sub54, 0 %sub58 = sub nsw i32 0, %sub54 %v.5 = select i1 %cmp55, i32 %sub58, i32 %sub54 %add60 = add nsw i32 %add49, %v.5 %arrayidx61 = getelementptr inbounds i8, i8* %p1.044, i64 6 %12 = load i8, i8* %arrayidx61, align 1 %conv62 = zext i8 %12 to i32 %arrayidx63 = getelementptr inbounds i8, i8* %p2.045, i64 6 %13 = load i8, i8* %arrayidx63, align 1 %conv64 = zext i8 %13 to i32 %sub65 = sub nsw i32 %conv62, %conv64 %cmp66 = icmp slt i32 %sub65, 0 %sub69 = sub nsw i32 0, %sub65 %sub69.sub65 = select i1 %cmp66, i32 %sub69, i32 %sub65 %add71 = add nsw i32 %add60, %sub69.sub65 %arrayidx72 = getelementptr inbounds i8, i8* %p1.044, i64 7 %14 = load i8, i8* %arrayidx72, align 1 %conv73 = zext i8 %14 to i32 %arrayidx74 = getelementptr inbounds i8, i8* %p2.045, i64 7 %15 = load i8, i8* %arrayidx74, align 1 %conv75 = zext i8 %15 to i32 %sub76 = sub nsw i32 %conv73, %conv75 %cmp77 = icmp slt i32 %sub76, 0 %sub80 = sub nsw i32 0, %sub76 %v.7 = select i1 %cmp77, i32 %sub80, i32 %sub76 %add82 = add nsw i32 %add71, %v.7 %cmp83 = icmp slt i32 %add82, %lim br i1 %cmp83, label %if.end.86, label %for.end.loopexit if.end.86: ; preds = %for.body %add.ptr = getelementptr inbounds i8, i8* %p1.044, i64 %idx.ext %add.ptr88 = getelementptr inbounds i8, i8* %p2.045, i64 %idx.ext %inc = add nuw nsw i32 %j.046, 1 %cmp = icmp slt i32 %inc, %h br i1 %cmp, label %for.body, label %for.end.loopexit for.end.loopexit: ; preds = %for.body, %if.end.86 br label %for.end for.end: ; preds = %for.end.loopexit, %entry %s.1 = phi i32 [ 0, %entry ], [ %add82, %for.end.loopexit ] ret i32 %s.1 }