289 lines · plain
1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py2; RUN: opt -passes=loop-vectorize,instcombine,simplifycfg -simplifycfg-require-and-preserve-domtree=1 < %s -S -o - | FileCheck %s3 4target datalayout = "e-m:e-p:32:32-Fi8-i64:64-v128:64:128-a:0:32-n32-S64"5target triple = "thumbv8.1m.main-arm-none-eabi"6 7define void @arm_abs_q7(ptr nocapture readonly %pSrc, ptr nocapture %pDst, i32 %blockSize) #0 {8; CHECK-LABEL: @arm_abs_q7(9; CHECK-NEXT: entry:10; CHECK-NEXT: [[PSRC2:%.*]] = ptrtoint ptr [[PSRC:%.*]] to i3211; CHECK-NEXT: [[PDST1:%.*]] = ptrtoint ptr [[PDST:%.*]] to i3212; CHECK-NEXT: [[CMP_NOT19:%.*]] = icmp eq i32 [[BLOCKSIZE:%.*]], 013; CHECK-NEXT: br i1 [[CMP_NOT19]], label [[WHILE_END:%.*]], label [[WHILE_BODY_PREHEADER:%.*]]14; CHECK: while.body.preheader:15; CHECK-NEXT: [[MIN_ITERS_CHECK:%.*]] = icmp ult i32 [[BLOCKSIZE]], 1616; CHECK-NEXT: [[TMP0:%.*]] = sub i32 [[PDST1]], [[PSRC2]]17; CHECK-NEXT: [[DIFF_CHECK:%.*]] = icmp ult i32 [[TMP0]], 1618; CHECK-NEXT: [[OR_COND:%.*]] = select i1 [[MIN_ITERS_CHECK]], i1 true, i1 [[DIFF_CHECK]]19; CHECK-NEXT: br i1 [[OR_COND]], label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]]20; CHECK: vector.ph:21; CHECK-NEXT: [[N_VEC:%.*]] = and i32 [[BLOCKSIZE]], -1622; CHECK-NEXT: [[IND_END:%.*]] = getelementptr i8, ptr [[PSRC]], i32 [[N_VEC]]23; CHECK-NEXT: [[IND_END3:%.*]] = and i32 [[BLOCKSIZE]], 1524; CHECK-NEXT: [[IND_END5:%.*]] = getelementptr i8, ptr [[PDST]], i32 [[N_VEC]]25; CHECK-NEXT: br label [[VECTOR_BODY:%.*]]26; CHECK: vector.body:27; CHECK-NEXT: [[INDEX:%.*]] = phi i32 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ]28; CHECK-NEXT: [[NEXT_GEP:%.*]] = getelementptr i8, ptr [[PSRC]], i32 [[INDEX]]29; CHECK-NEXT: [[NEXT_GEP7:%.*]] = getelementptr i8, ptr [[PDST]], i32 [[INDEX]]30; CHECK-NEXT: [[WIDE_LOAD:%.*]] = load <16 x i8>, ptr [[NEXT_GEP]], align 131; CHECK-NEXT: [[TMP1:%.*]] = icmp sgt <16 x i8> [[WIDE_LOAD]], zeroinitializer32; CHECK-NEXT: [[TMP2:%.*]] = icmp eq <16 x i8> [[WIDE_LOAD]], splat (i8 -128)33; CHECK-NEXT: [[TMP3:%.*]] = sub <16 x i8> zeroinitializer, [[WIDE_LOAD]]34; CHECK-NEXT: [[TMP4:%.*]] = select <16 x i1> [[TMP2]], <16 x i8> splat (i8 127), <16 x i8> [[TMP3]]35; CHECK-NEXT: [[TMP5:%.*]] = select <16 x i1> [[TMP1]], <16 x i8> [[WIDE_LOAD]], <16 x i8> [[TMP4]]36; CHECK-NEXT: store <16 x i8> [[TMP5]], ptr [[NEXT_GEP7]], align 137; CHECK-NEXT: [[INDEX_NEXT]] = add nuw i32 [[INDEX]], 1638; CHECK-NEXT: [[TMP6:%.*]] = icmp eq i32 [[INDEX_NEXT]], [[N_VEC]]39; CHECK-NEXT: br i1 [[TMP6]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP0:![0-9]+]]40; CHECK: middle.block:41; CHECK-NEXT: [[CMP_N:%.*]] = icmp eq i32 [[BLOCKSIZE]], [[N_VEC]]42; CHECK-NEXT: br i1 [[CMP_N]], label [[WHILE_END]], label [[SCALAR_PH]]43; CHECK: scalar.ph:44; CHECK-NEXT: [[BC_RESUME_VAL:%.*]] = phi ptr [ [[IND_END]], [[MIDDLE_BLOCK]] ], [ [[PSRC]], [[WHILE_BODY_PREHEADER]] ]45; CHECK-NEXT: [[BC_RESUME_VAL4:%.*]] = phi i32 [ [[IND_END3]], [[MIDDLE_BLOCK]] ], [ [[BLOCKSIZE]], [[WHILE_BODY_PREHEADER]] ]46; CHECK-NEXT: [[BC_RESUME_VAL6:%.*]] = phi ptr [ [[IND_END5]], [[MIDDLE_BLOCK]] ], [ [[PDST]], [[WHILE_BODY_PREHEADER]] ]47; CHECK-NEXT: br label [[WHILE_BODY:%.*]]48; CHECK: while.body:49; CHECK-NEXT: [[PSRC_ADDR_022:%.*]] = phi ptr [ [[INCDEC_PTR:%.*]], [[WHILE_BODY]] ], [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ]50; CHECK-NEXT: [[BLKCNT_021:%.*]] = phi i32 [ [[DEC:%.*]], [[WHILE_BODY]] ], [ [[BC_RESUME_VAL4]], [[SCALAR_PH]] ]51; CHECK-NEXT: [[PDST_ADDR_020:%.*]] = phi ptr [ [[INCDEC_PTR13:%.*]], [[WHILE_BODY]] ], [ [[BC_RESUME_VAL6]], [[SCALAR_PH]] ]52; CHECK-NEXT: [[INCDEC_PTR]] = getelementptr inbounds nuw i8, ptr [[PSRC_ADDR_022]], i32 153; CHECK-NEXT: [[TMP7:%.*]] = load i8, ptr [[PSRC_ADDR_022]], align 154; CHECK-NEXT: [[CMP1:%.*]] = icmp sgt i8 [[TMP7]], 055; CHECK-NEXT: [[CMP5:%.*]] = icmp eq i8 [[TMP7]], -12856; CHECK-NEXT: [[SUB:%.*]] = sub i8 0, [[TMP7]]57; CHECK-NEXT: [[COND:%.*]] = select i1 [[CMP5]], i8 127, i8 [[SUB]]58; CHECK-NEXT: [[COND11:%.*]] = select i1 [[CMP1]], i8 [[TMP7]], i8 [[COND]]59; CHECK-NEXT: [[INCDEC_PTR13]] = getelementptr inbounds nuw i8, ptr [[PDST_ADDR_020]], i32 160; CHECK-NEXT: store i8 [[COND11]], ptr [[PDST_ADDR_020]], align 161; CHECK-NEXT: [[DEC]] = add i32 [[BLKCNT_021]], -162; CHECK-NEXT: [[CMP_NOT:%.*]] = icmp eq i32 [[DEC]], 063; CHECK-NEXT: br i1 [[CMP_NOT]], label [[WHILE_END]], label [[WHILE_BODY]], !llvm.loop [[LOOP3:![0-9]+]]64; CHECK: while.end:65; CHECK-NEXT: ret void66;67entry:68 %cmp.not19 = icmp eq i32 %blockSize, 069 br i1 %cmp.not19, label %while.end, label %while.body.preheader70 71while.body.preheader: ; preds = %entry72 br label %while.body73 74while.body: ; preds = %while.body.preheader, %while.body75 %pSrc.addr.022 = phi ptr [ %incdec.ptr, %while.body ], [ %pSrc, %while.body.preheader ]76 %blkCnt.021 = phi i32 [ %dec, %while.body ], [ %blockSize, %while.body.preheader ]77 %pDst.addr.020 = phi ptr [ %incdec.ptr13, %while.body ], [ %pDst, %while.body.preheader ]78 %incdec.ptr = getelementptr inbounds i8, ptr %pSrc.addr.022, i32 179 %0 = load i8, ptr %pSrc.addr.022, align 180 %cmp1 = icmp sgt i8 %0, 081 %cmp5 = icmp eq i8 %0, -12882 %sub = sub i8 0, %083 %cond = select i1 %cmp5, i8 127, i8 %sub84 %cond11 = select i1 %cmp1, i8 %0, i8 %cond85 %incdec.ptr13 = getelementptr inbounds i8, ptr %pDst.addr.020, i32 186 store i8 %cond11, ptr %pDst.addr.020, align 187 %dec = add i32 %blkCnt.021, -188 %cmp.not = icmp eq i32 %dec, 089 br i1 %cmp.not, label %while.end.loopexit, label %while.body90 91while.end.loopexit: ; preds = %while.body92 br label %while.end93 94while.end: ; preds = %while.end.loopexit, %entry95 ret void96}97 98define void @arm_abs_q15(ptr nocapture readonly %pSrc, ptr nocapture %pDst, i32 %blockSize) #0 {99; CHECK-LABEL: @arm_abs_q15(100; CHECK-NEXT: entry:101; CHECK-NEXT: [[PSRC2:%.*]] = ptrtoint ptr [[PSRC:%.*]] to i32102; CHECK-NEXT: [[PDST1:%.*]] = ptrtoint ptr [[PDST:%.*]] to i32103; CHECK-NEXT: [[CMP_NOT20:%.*]] = icmp eq i32 [[BLOCKSIZE:%.*]], 0104; CHECK-NEXT: br i1 [[CMP_NOT20]], label [[WHILE_END:%.*]], label [[WHILE_BODY_PREHEADER:%.*]]105; CHECK: while.body.preheader:106; CHECK-NEXT: [[MIN_ITERS_CHECK:%.*]] = icmp ult i32 [[BLOCKSIZE]], 8107; CHECK-NEXT: [[TMP0:%.*]] = sub i32 [[PDST1]], [[PSRC2]]108; CHECK-NEXT: [[DIFF_CHECK:%.*]] = icmp ult i32 [[TMP0]], 16109; CHECK-NEXT: [[OR_COND:%.*]] = select i1 [[MIN_ITERS_CHECK]], i1 true, i1 [[DIFF_CHECK]]110; CHECK-NEXT: br i1 [[OR_COND]], label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]]111; CHECK: vector.ph:112; CHECK-NEXT: [[N_VEC:%.*]] = and i32 [[BLOCKSIZE]], -8113; CHECK-NEXT: [[TMP1:%.*]] = shl i32 [[N_VEC]], 1114; CHECK-NEXT: [[IND_END:%.*]] = getelementptr i8, ptr [[PSRC]], i32 [[TMP1]]115; CHECK-NEXT: [[IND_END3:%.*]] = and i32 [[BLOCKSIZE]], 7116; CHECK-NEXT: [[TMP2:%.*]] = shl i32 [[N_VEC]], 1117; CHECK-NEXT: [[IND_END5:%.*]] = getelementptr i8, ptr [[PDST]], i32 [[TMP2]]118; CHECK-NEXT: br label [[VECTOR_BODY:%.*]]119; CHECK: vector.body:120; CHECK-NEXT: [[INDEX:%.*]] = phi i32 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ]121; CHECK-NEXT: [[OFFSET_IDX:%.*]] = shl i32 [[INDEX]], 1122; CHECK-NEXT: [[NEXT_GEP:%.*]] = getelementptr i8, ptr [[PSRC]], i32 [[OFFSET_IDX]]123; CHECK-NEXT: [[OFFSET_IDX7:%.*]] = shl i32 [[INDEX]], 1124; CHECK-NEXT: [[NEXT_GEP8:%.*]] = getelementptr i8, ptr [[PDST]], i32 [[OFFSET_IDX7]]125; CHECK-NEXT: [[WIDE_LOAD:%.*]] = load <8 x i16>, ptr [[NEXT_GEP]], align 2126; CHECK-NEXT: [[TMP3:%.*]] = icmp sgt <8 x i16> [[WIDE_LOAD]], zeroinitializer127; CHECK-NEXT: [[TMP4:%.*]] = icmp eq <8 x i16> [[WIDE_LOAD]], splat (i16 -32768)128; CHECK-NEXT: [[TMP5:%.*]] = sub <8 x i16> zeroinitializer, [[WIDE_LOAD]]129; CHECK-NEXT: [[TMP6:%.*]] = select <8 x i1> [[TMP4]], <8 x i16> splat (i16 32767), <8 x i16> [[TMP5]]130; CHECK-NEXT: [[TMP7:%.*]] = select <8 x i1> [[TMP3]], <8 x i16> [[WIDE_LOAD]], <8 x i16> [[TMP6]]131; CHECK-NEXT: store <8 x i16> [[TMP7]], ptr [[NEXT_GEP8]], align 2132; CHECK-NEXT: [[INDEX_NEXT]] = add nuw i32 [[INDEX]], 8133; CHECK-NEXT: [[TMP8:%.*]] = icmp eq i32 [[INDEX_NEXT]], [[N_VEC]]134; CHECK-NEXT: br i1 [[TMP8]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP4:![0-9]+]]135; CHECK: middle.block:136; CHECK-NEXT: [[CMP_N:%.*]] = icmp eq i32 [[BLOCKSIZE]], [[N_VEC]]137; CHECK-NEXT: br i1 [[CMP_N]], label [[WHILE_END]], label [[SCALAR_PH]]138; CHECK: scalar.ph:139; CHECK-NEXT: [[BC_RESUME_VAL:%.*]] = phi ptr [ [[IND_END]], [[MIDDLE_BLOCK]] ], [ [[PSRC]], [[WHILE_BODY_PREHEADER]] ]140; CHECK-NEXT: [[BC_RESUME_VAL4:%.*]] = phi i32 [ [[IND_END3]], [[MIDDLE_BLOCK]] ], [ [[BLOCKSIZE]], [[WHILE_BODY_PREHEADER]] ]141; CHECK-NEXT: [[BC_RESUME_VAL6:%.*]] = phi ptr [ [[IND_END5]], [[MIDDLE_BLOCK]] ], [ [[PDST]], [[WHILE_BODY_PREHEADER]] ]142; CHECK-NEXT: br label [[WHILE_BODY:%.*]]143; CHECK: while.body:144; CHECK-NEXT: [[PSRC_ADDR_023:%.*]] = phi ptr [ [[INCDEC_PTR:%.*]], [[WHILE_BODY]] ], [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ]145; CHECK-NEXT: [[BLKCNT_022:%.*]] = phi i32 [ [[DEC:%.*]], [[WHILE_BODY]] ], [ [[BC_RESUME_VAL4]], [[SCALAR_PH]] ]146; CHECK-NEXT: [[PDST_ADDR_021:%.*]] = phi ptr [ [[INCDEC_PTR13:%.*]], [[WHILE_BODY]] ], [ [[BC_RESUME_VAL6]], [[SCALAR_PH]] ]147; CHECK-NEXT: [[INCDEC_PTR]] = getelementptr inbounds nuw i8, ptr [[PSRC_ADDR_023]], i32 2148; CHECK-NEXT: [[TMP9:%.*]] = load i16, ptr [[PSRC_ADDR_023]], align 2149; CHECK-NEXT: [[CMP1:%.*]] = icmp sgt i16 [[TMP9]], 0150; CHECK-NEXT: [[CMP5:%.*]] = icmp eq i16 [[TMP9]], -32768151; CHECK-NEXT: [[SUB:%.*]] = sub i16 0, [[TMP9]]152; CHECK-NEXT: [[COND:%.*]] = select i1 [[CMP5]], i16 32767, i16 [[SUB]]153; CHECK-NEXT: [[COND11:%.*]] = select i1 [[CMP1]], i16 [[TMP9]], i16 [[COND]]154; CHECK-NEXT: [[INCDEC_PTR13]] = getelementptr inbounds nuw i8, ptr [[PDST_ADDR_021]], i32 2155; CHECK-NEXT: store i16 [[COND11]], ptr [[PDST_ADDR_021]], align 2156; CHECK-NEXT: [[DEC]] = add i32 [[BLKCNT_022]], -1157; CHECK-NEXT: [[CMP_NOT:%.*]] = icmp eq i32 [[DEC]], 0158; CHECK-NEXT: br i1 [[CMP_NOT]], label [[WHILE_END]], label [[WHILE_BODY]], !llvm.loop [[LOOP5:![0-9]+]]159; CHECK: while.end:160; CHECK-NEXT: ret void161;162entry:163 %cmp.not20 = icmp eq i32 %blockSize, 0164 br i1 %cmp.not20, label %while.end, label %while.body.preheader165 166while.body.preheader: ; preds = %entry167 br label %while.body168 169while.body: ; preds = %while.body.preheader, %while.body170 %pSrc.addr.023 = phi ptr [ %incdec.ptr, %while.body ], [ %pSrc, %while.body.preheader ]171 %blkCnt.022 = phi i32 [ %dec, %while.body ], [ %blockSize, %while.body.preheader ]172 %pDst.addr.021 = phi ptr [ %incdec.ptr13, %while.body ], [ %pDst, %while.body.preheader ]173 %incdec.ptr = getelementptr inbounds i16, ptr %pSrc.addr.023, i32 1174 %0 = load i16, ptr %pSrc.addr.023, align 2175 %cmp1 = icmp sgt i16 %0, 0176 %cmp5 = icmp eq i16 %0, -32768177 %sub = sub i16 0, %0178 %cond = select i1 %cmp5, i16 32767, i16 %sub179 %cond11 = select i1 %cmp1, i16 %0, i16 %cond180 %incdec.ptr13 = getelementptr inbounds i16, ptr %pDst.addr.021, i32 1181 store i16 %cond11, ptr %pDst.addr.021, align 2182 %dec = add i32 %blkCnt.022, -1183 %cmp.not = icmp eq i32 %dec, 0184 br i1 %cmp.not, label %while.end.loopexit, label %while.body185 186while.end.loopexit: ; preds = %while.body187 br label %while.end188 189while.end: ; preds = %while.end.loopexit, %entry190 ret void191}192 193define void @arm_abs_q31(ptr nocapture readonly %pSrc, ptr nocapture %pDst, i32 %blockSize) #0 {194; CHECK-LABEL: @arm_abs_q31(195; CHECK-NEXT: entry:196; CHECK-NEXT: [[PSRC2:%.*]] = ptrtoint ptr [[PSRC:%.*]] to i32197; CHECK-NEXT: [[PDST1:%.*]] = ptrtoint ptr [[PDST:%.*]] to i32198; CHECK-NEXT: [[CMP_NOT14:%.*]] = icmp eq i32 [[BLOCKSIZE:%.*]], 0199; CHECK-NEXT: br i1 [[CMP_NOT14]], label [[WHILE_END:%.*]], label [[WHILE_BODY_PREHEADER:%.*]]200; CHECK: while.body.preheader:201; CHECK-NEXT: [[MIN_ITERS_CHECK:%.*]] = icmp ult i32 [[BLOCKSIZE]], 4202; CHECK-NEXT: [[TMP0:%.*]] = sub i32 [[PDST1]], [[PSRC2]]203; CHECK-NEXT: [[DIFF_CHECK:%.*]] = icmp ult i32 [[TMP0]], 16204; CHECK-NEXT: [[OR_COND:%.*]] = select i1 [[MIN_ITERS_CHECK]], i1 true, i1 [[DIFF_CHECK]]205; CHECK-NEXT: br i1 [[OR_COND]], label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]]206; CHECK: vector.ph:207; CHECK-NEXT: [[N_VEC:%.*]] = and i32 [[BLOCKSIZE]], -4208; CHECK-NEXT: [[TMP1:%.*]] = shl i32 [[N_VEC]], 2209; CHECK-NEXT: [[IND_END:%.*]] = getelementptr i8, ptr [[PSRC]], i32 [[TMP1]]210; CHECK-NEXT: [[IND_END3:%.*]] = and i32 [[BLOCKSIZE]], 3211; CHECK-NEXT: [[TMP2:%.*]] = shl i32 [[N_VEC]], 2212; CHECK-NEXT: [[IND_END5:%.*]] = getelementptr i8, ptr [[PDST]], i32 [[TMP2]]213; CHECK-NEXT: br label [[VECTOR_BODY:%.*]]214; CHECK: vector.body:215; CHECK-NEXT: [[INDEX:%.*]] = phi i32 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ]216; CHECK-NEXT: [[OFFSET_IDX:%.*]] = shl i32 [[INDEX]], 2217; CHECK-NEXT: [[NEXT_GEP:%.*]] = getelementptr i8, ptr [[PSRC]], i32 [[OFFSET_IDX]]218; CHECK-NEXT: [[OFFSET_IDX7:%.*]] = shl i32 [[INDEX]], 2219; CHECK-NEXT: [[NEXT_GEP8:%.*]] = getelementptr i8, ptr [[PDST]], i32 [[OFFSET_IDX7]]220; CHECK-NEXT: [[WIDE_LOAD:%.*]] = load <4 x i32>, ptr [[NEXT_GEP]], align 4221; CHECK-NEXT: [[TMP3:%.*]] = icmp sgt <4 x i32> [[WIDE_LOAD]], zeroinitializer222; CHECK-NEXT: [[TMP4:%.*]] = icmp eq <4 x i32> [[WIDE_LOAD]], splat (i32 -2147483648)223; CHECK-NEXT: [[TMP5:%.*]] = sub nsw <4 x i32> zeroinitializer, [[WIDE_LOAD]]224; CHECK-NEXT: [[TMP6:%.*]] = select <4 x i1> [[TMP4]], <4 x i32> splat (i32 2147483647), <4 x i32> [[TMP5]]225; CHECK-NEXT: [[TMP7:%.*]] = select <4 x i1> [[TMP3]], <4 x i32> [[WIDE_LOAD]], <4 x i32> [[TMP6]]226; CHECK-NEXT: store <4 x i32> [[TMP7]], ptr [[NEXT_GEP8]], align 4227; CHECK-NEXT: [[INDEX_NEXT]] = add nuw i32 [[INDEX]], 4228; CHECK-NEXT: [[TMP8:%.*]] = icmp eq i32 [[INDEX_NEXT]], [[N_VEC]]229; CHECK-NEXT: br i1 [[TMP8]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP6:![0-9]+]]230; CHECK: middle.block:231; CHECK-NEXT: [[CMP_N:%.*]] = icmp eq i32 [[BLOCKSIZE]], [[N_VEC]]232; CHECK-NEXT: br i1 [[CMP_N]], label [[WHILE_END]], label [[SCALAR_PH]]233; CHECK: scalar.ph:234; CHECK-NEXT: [[BC_RESUME_VAL:%.*]] = phi ptr [ [[IND_END]], [[MIDDLE_BLOCK]] ], [ [[PSRC]], [[WHILE_BODY_PREHEADER]] ]235; CHECK-NEXT: [[BC_RESUME_VAL4:%.*]] = phi i32 [ [[IND_END3]], [[MIDDLE_BLOCK]] ], [ [[BLOCKSIZE]], [[WHILE_BODY_PREHEADER]] ]236; CHECK-NEXT: [[BC_RESUME_VAL6:%.*]] = phi ptr [ [[IND_END5]], [[MIDDLE_BLOCK]] ], [ [[PDST]], [[WHILE_BODY_PREHEADER]] ]237; CHECK-NEXT: br label [[WHILE_BODY:%.*]]238; CHECK: while.body:239; CHECK-NEXT: [[PSRC_ADDR_017:%.*]] = phi ptr [ [[INCDEC_PTR:%.*]], [[WHILE_BODY]] ], [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ]240; CHECK-NEXT: [[BLKCNT_016:%.*]] = phi i32 [ [[DEC:%.*]], [[WHILE_BODY]] ], [ [[BC_RESUME_VAL4]], [[SCALAR_PH]] ]241; CHECK-NEXT: [[PDST_ADDR_015:%.*]] = phi ptr [ [[INCDEC_PTR7:%.*]], [[WHILE_BODY]] ], [ [[BC_RESUME_VAL6]], [[SCALAR_PH]] ]242; CHECK-NEXT: [[INCDEC_PTR]] = getelementptr inbounds nuw i8, ptr [[PSRC_ADDR_017]], i32 4243; CHECK-NEXT: [[TMP9:%.*]] = load i32, ptr [[PSRC_ADDR_017]], align 4244; CHECK-NEXT: [[CMP1:%.*]] = icmp sgt i32 [[TMP9]], 0245; CHECK-NEXT: [[CMP2:%.*]] = icmp eq i32 [[TMP9]], -2147483648246; CHECK-NEXT: [[SUB:%.*]] = sub nsw i32 0, [[TMP9]]247; CHECK-NEXT: [[COND:%.*]] = select i1 [[CMP2]], i32 2147483647, i32 [[SUB]]248; CHECK-NEXT: [[COND6:%.*]] = select i1 [[CMP1]], i32 [[TMP9]], i32 [[COND]]249; CHECK-NEXT: [[INCDEC_PTR7]] = getelementptr inbounds nuw i8, ptr [[PDST_ADDR_015]], i32 4250; CHECK-NEXT: store i32 [[COND6]], ptr [[PDST_ADDR_015]], align 4251; CHECK-NEXT: [[DEC]] = add i32 [[BLKCNT_016]], -1252; CHECK-NEXT: [[CMP_NOT:%.*]] = icmp eq i32 [[DEC]], 0253; CHECK-NEXT: br i1 [[CMP_NOT]], label [[WHILE_END]], label [[WHILE_BODY]], !llvm.loop [[LOOP7:![0-9]+]]254; CHECK: while.end:255; CHECK-NEXT: ret void256;257entry:258 %cmp.not14 = icmp eq i32 %blockSize, 0259 br i1 %cmp.not14, label %while.end, label %while.body.preheader260 261while.body.preheader: ; preds = %entry262 br label %while.body263 264while.body: ; preds = %while.body.preheader, %while.body265 %pSrc.addr.017 = phi ptr [ %incdec.ptr, %while.body ], [ %pSrc, %while.body.preheader ]266 %blkCnt.016 = phi i32 [ %dec, %while.body ], [ %blockSize, %while.body.preheader ]267 %pDst.addr.015 = phi ptr [ %incdec.ptr7, %while.body ], [ %pDst, %while.body.preheader ]268 %incdec.ptr = getelementptr inbounds i32, ptr %pSrc.addr.017, i32 1269 %0 = load i32, ptr %pSrc.addr.017, align 4270 %cmp1 = icmp sgt i32 %0, 0271 %cmp2 = icmp eq i32 %0, -2147483648272 %sub = sub nsw i32 0, %0273 %cond = select i1 %cmp2, i32 2147483647, i32 %sub274 %cond6 = select i1 %cmp1, i32 %0, i32 %cond275 %incdec.ptr7 = getelementptr inbounds i32, ptr %pDst.addr.015, i32 1276 store i32 %cond6, ptr %pDst.addr.015, align 4277 %dec = add i32 %blkCnt.016, -1278 %cmp.not = icmp eq i32 %dec, 0279 br i1 %cmp.not, label %while.end.loopexit, label %while.body280 281while.end.loopexit: ; preds = %while.body282 br label %while.end283 284while.end: ; preds = %while.end.loopexit, %entry285 ret void286}287 288attributes #0 = { "target-features"="+mve" }289