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1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py2; RUN: opt < %s -passes=loop-vectorize,instsimplify -scalable-vectorization=on -force-target-supports-scalable-vectors -S | FileCheck %s3 4define void @trunc_minimal_bitwidth(ptr %bptr, ptr noalias %hptr, i32 %val, i64 %N) {5; CHECK-LABEL: @trunc_minimal_bitwidth(6; CHECK-NEXT: entry:7; CHECK-NEXT: [[TMP0:%.*]] = call i64 @llvm.vscale.i64()8; CHECK-NEXT: [[TMP1:%.*]] = shl nuw i64 [[TMP0]], 29; CHECK-NEXT: [[MIN_ITERS_CHECK:%.*]] = icmp ult i64 [[N:%.*]], [[TMP1]]10; CHECK-NEXT: br i1 [[MIN_ITERS_CHECK]], label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]]11; CHECK: vector.ph:12; CHECK-NEXT: [[TMP2:%.*]] = call i64 @llvm.vscale.i64()13; CHECK-NEXT: [[TMP3:%.*]] = mul nuw i64 [[TMP2]], 414; CHECK-NEXT: [[N_MOD_VF:%.*]] = urem i64 [[N]], [[TMP3]]15; CHECK-NEXT: [[N_VEC:%.*]] = sub i64 [[N]], [[N_MOD_VF]]16; CHECK-NEXT: [[BROADCAST_SPLATINSERT:%.*]] = insertelement <vscale x 4 x i32> poison, i32 [[VAL:%.*]], i64 017; CHECK-NEXT: [[BROADCAST_SPLAT:%.*]] = shufflevector <vscale x 4 x i32> [[BROADCAST_SPLATINSERT]], <vscale x 4 x i32> poison, <vscale x 4 x i32> zeroinitializer18; CHECK-NEXT: [[TMP4:%.*]] = trunc <vscale x 4 x i32> [[BROADCAST_SPLAT]] to <vscale x 4 x i16>19; CHECK-NEXT: br label [[VECTOR_BODY:%.*]]20; CHECK: vector.body:21; CHECK-NEXT: [[INDEX:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ]22; CHECK-NEXT: [[TMP5:%.*]] = getelementptr inbounds i16, ptr [[HPTR:%.*]], i64 [[INDEX]]23; CHECK-NEXT: store <vscale x 4 x i16> [[TMP4]], ptr [[TMP5]], align 224; CHECK-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], [[TMP3]]25; CHECK-NEXT: [[TMP8:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]]26; CHECK-NEXT: br i1 [[TMP8]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP0:![0-9]+]]27; CHECK: middle.block:28; CHECK-NEXT: [[CMP_N:%.*]] = icmp eq i64 [[N]], [[N_VEC]]29; CHECK-NEXT: br i1 [[CMP_N]], label [[FOR_EXIT:%.*]], label [[SCALAR_PH]]30; CHECK: scalar.ph:31; CHECK-NEXT: [[BC_RESUME_VAL:%.*]] = phi i64 [ [[N_VEC]], [[MIDDLE_BLOCK]] ], [ 0, [[ENTRY:%.*]] ]32; CHECK-NEXT: br label [[FOR_BODY:%.*]]33; CHECK: for.body:34; CHECK-NEXT: [[INDVARS_IV:%.*]] = phi i64 [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ], [ [[INDVARS_IV_NEXT:%.*]], [[FOR_BODY]] ]35; CHECK-NEXT: [[CONV21:%.*]] = trunc i32 [[VAL]] to i1636; CHECK-NEXT: [[ARRAYIDX23:%.*]] = getelementptr inbounds i16, ptr [[HPTR]], i64 [[INDVARS_IV]]37; CHECK-NEXT: store i16 [[CONV21]], ptr [[ARRAYIDX23]], align 238; CHECK-NEXT: [[INDVARS_IV_NEXT]] = add nuw nsw i64 [[INDVARS_IV]], 139; CHECK-NEXT: [[EXITCOND_NOT:%.*]] = icmp eq i64 [[INDVARS_IV_NEXT]], [[N]]40; CHECK-NEXT: br i1 [[EXITCOND_NOT]], label [[FOR_EXIT]], label [[FOR_BODY]], !llvm.loop [[LOOP3:![0-9]+]]41; CHECK: for.exit:42; CHECK-NEXT: ret void43;44entry:45 br label %for.body46 47for.body:48 %indvars.iv = phi i64 [ 0, %entry ], [ %indvars.iv.next, %for.body ]49 %0 = load i8, ptr %bptr, align 150 %conv = zext i8 %0 to i3251 %conv21 = trunc i32 %val to i1652 %arrayidx23 = getelementptr inbounds i16, ptr %hptr, i64 %indvars.iv53 store i16 %conv21, ptr %arrayidx23, align 254 %indvars.iv.next = add nuw nsw i64 %indvars.iv, 155 %exitcond.not = icmp eq i64 %indvars.iv.next, %N56 br i1 %exitcond.not, label %for.exit, label %for.body, !llvm.loop !057 58for.exit:59 ret void60}61 62define void @trunc_minimal_bitwidths_shufflevector (ptr %p, i32 %arg1, i64 %len) {63; CHECK-LABEL: @trunc_minimal_bitwidths_shufflevector(64; CHECK-NEXT: entry:65; CHECK-NEXT: [[TMP0:%.*]] = call i64 @llvm.vscale.i64()66; CHECK-NEXT: [[TMP1:%.*]] = shl nuw i64 [[TMP0]], 267; CHECK-NEXT: [[MIN_ITERS_CHECK:%.*]] = icmp ult i64 [[LEN:%.*]], [[TMP1]]68; CHECK-NEXT: br i1 [[MIN_ITERS_CHECK]], label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]]69; CHECK: vector.ph:70; CHECK-NEXT: [[TMP2:%.*]] = call i64 @llvm.vscale.i64()71; CHECK-NEXT: [[TMP3:%.*]] = mul nuw i64 [[TMP2]], 472; CHECK-NEXT: [[N_MOD_VF:%.*]] = urem i64 [[LEN]], [[TMP3]]73; CHECK-NEXT: [[N_VEC:%.*]] = sub i64 [[LEN]], [[N_MOD_VF]]74; CHECK-NEXT: [[BROADCAST_SPLATINSERT:%.*]] = insertelement <vscale x 4 x i32> poison, i32 [[ARG1:%.*]], i64 075; CHECK-NEXT: [[BROADCAST_SPLAT:%.*]] = shufflevector <vscale x 4 x i32> [[BROADCAST_SPLATINSERT]], <vscale x 4 x i32> poison, <vscale x 4 x i32> zeroinitializer76; CHECK-NEXT: [[TMP4:%.*]] = trunc <vscale x 4 x i32> [[BROADCAST_SPLAT]] to <vscale x 4 x i8>77; CHECK-NEXT: br label [[VECTOR_BODY:%.*]]78; CHECK: vector.body:79; CHECK-NEXT: [[INDEX:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ]80; CHECK-NEXT: [[TMP5:%.*]] = getelementptr inbounds i8, ptr [[P:%.*]], i64 [[INDEX]]81; CHECK-NEXT: [[WIDE_LOAD:%.*]] = load <vscale x 4 x i8>, ptr [[TMP5]], align 182; CHECK-NEXT: [[TMP6:%.*]] = xor <vscale x 4 x i8> [[WIDE_LOAD]], [[TMP4]]83; CHECK-NEXT: [[TMP7:%.*]] = mul <vscale x 4 x i8> [[TMP6]], [[WIDE_LOAD]]84; CHECK-NEXT: store <vscale x 4 x i8> [[TMP7]], ptr [[TMP5]], align 185; CHECK-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], [[TMP3]]86; CHECK-NEXT: [[TMP10:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]]87; CHECK-NEXT: br i1 [[TMP10]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP4:![0-9]+]]88; CHECK: middle.block:89; CHECK-NEXT: [[CMP_N:%.*]] = icmp eq i64 [[LEN]], [[N_VEC]]90; CHECK-NEXT: br i1 [[CMP_N]], label [[FOR_EXIT:%.*]], label [[SCALAR_PH]]91; CHECK: scalar.ph:92; CHECK-NEXT: [[BC_RESUME_VAL:%.*]] = phi i64 [ [[N_VEC]], [[MIDDLE_BLOCK]] ], [ 0, [[ENTRY:%.*]] ]93; CHECK-NEXT: br label [[FOR_BODY:%.*]]94; CHECK: for.body:95; CHECK-NEXT: [[INDVARS_IV:%.*]] = phi i64 [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ], [ [[INDVARS_IV_NEXT:%.*]], [[FOR_BODY]] ]96; CHECK-NEXT: [[ARRAYIDX:%.*]] = getelementptr inbounds i8, ptr [[P]], i64 [[INDVARS_IV]]97; CHECK-NEXT: [[TMP11:%.*]] = load i8, ptr [[ARRAYIDX]], align 198; CHECK-NEXT: [[CONV:%.*]] = zext i8 [[TMP11]] to i3299; CHECK-NEXT: [[CONV17:%.*]] = xor i32 [[CONV]], [[ARG1]]100; CHECK-NEXT: [[MUL18:%.*]] = mul nuw nsw i32 [[CONV17]], [[CONV]]101; CHECK-NEXT: [[CONV19:%.*]] = trunc i32 [[MUL18]] to i8102; CHECK-NEXT: store i8 [[CONV19]], ptr [[ARRAYIDX]], align 1103; CHECK-NEXT: [[INDVARS_IV_NEXT]] = add nuw nsw i64 [[INDVARS_IV]], 1104; CHECK-NEXT: [[EXITCOND:%.*]] = icmp eq i64 [[INDVARS_IV_NEXT]], [[LEN]]105; CHECK-NEXT: br i1 [[EXITCOND]], label [[FOR_EXIT]], label [[FOR_BODY]], !llvm.loop [[LOOP5:![0-9]+]]106; CHECK: for.exit:107; CHECK-NEXT: ret void108;109entry:110 br label %for.body111 112for.body: ; preds = %entry113 %indvars.iv = phi i64 [ 0, %entry ], [ %indvars.iv.next, %for.body ]114 %arrayidx = getelementptr inbounds i8, ptr %p, i64 %indvars.iv115 %0 = load i8, ptr %arrayidx116 %conv = zext i8 %0 to i32117 %conv17 = xor i32 %conv, %arg1118 %mul18 = mul nuw nsw i32 %conv17, %conv119 %conv19 = trunc i32 %mul18 to i8120 store i8 %conv19, ptr %arrayidx121 %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1122 %exitcond = icmp eq i64 %indvars.iv.next, %len123 br i1 %exitcond, label %for.exit, label %for.body, !llvm.loop !0124 125for.exit: ; preds = %for.body126 ret void127}128!0 = !{!0, !1, !2}129!1 = !{!"llvm.loop.vectorize.width", i32 4}130!2 = !{!"llvm.loop.vectorize.scalable.enable", i1 true}131