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1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 42; RUN: opt -passes="default<O3>" -S %s | FileCheck %s3 4target datalayout = "e-m:o-i64:64-i128:128-n32:64-S128"5target triple = "arm64-apple-macosx11.0.0"6 7define i32 @read_only_loop_with_runtime_check(ptr noundef %array, i32 noundef %count, i32 noundef %n) {8; CHECK-LABEL: define i32 @read_only_loop_with_runtime_check(9; CHECK-SAME: ptr noundef readonly captures(none) [[ARRAY:%.*]], i32 noundef [[COUNT:%.*]], i32 noundef [[N:%.*]]) local_unnamed_addr #[[ATTR0:[0-9]+]] {10; CHECK-NEXT: entry:11; CHECK-NEXT: [[CMP6_NOT:%.*]] = icmp eq i32 [[N]], 012; CHECK-NEXT: br i1 [[CMP6_NOT]], label [[FOR_COND_CLEANUP:%.*]], label [[FOR_BODY_PREHEADER:%.*]]13; CHECK: for.body.preheader:14; CHECK-NEXT: [[TMP0:%.*]] = zext i32 [[N]] to i6415; CHECK-NEXT: [[TMP1:%.*]] = add i32 [[N]], -116; CHECK-NEXT: [[DOTNOT_NOT:%.*]] = icmp ugt i32 [[COUNT]], [[TMP1]]17; CHECK-NEXT: br i1 [[DOTNOT_NOT]], label [[FOR_BODY_PREHEADER10:%.*]], label [[IF_THEN:%.*]]18; CHECK: for.body.preheader10:19; CHECK-NEXT: [[MIN_ITERS_CHECK:%.*]] = icmp ult i32 [[N]], 820; CHECK-NEXT: br i1 [[MIN_ITERS_CHECK]], label [[FOR_BODY_PREHEADER13:%.*]], label [[VECTOR_PH:%.*]]21; CHECK: vector.ph:22; CHECK-NEXT: [[N_VEC:%.*]] = and i64 [[TMP0]], 429496728823; CHECK-NEXT: br label [[VECTOR_BODY:%.*]]24; CHECK: vector.body:25; CHECK-NEXT: [[INDEX:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ]26; CHECK-NEXT: [[VEC_PHI:%.*]] = phi <4 x i32> [ zeroinitializer, [[VECTOR_PH]] ], [ [[TMP4:%.*]], [[VECTOR_BODY]] ]27; CHECK-NEXT: [[VEC_PHI11:%.*]] = phi <4 x i32> [ zeroinitializer, [[VECTOR_PH]] ], [ [[TMP5:%.*]], [[VECTOR_BODY]] ]28; CHECK-NEXT: [[TMP2:%.*]] = getelementptr inbounds nuw i32, ptr [[ARRAY]], i64 [[INDEX]]29; CHECK-NEXT: [[TMP3:%.*]] = getelementptr inbounds nuw i8, ptr [[TMP2]], i64 1630; CHECK-NEXT: [[WIDE_LOAD:%.*]] = load <4 x i32>, ptr [[TMP2]], align 431; CHECK-NEXT: [[WIDE_LOAD12:%.*]] = load <4 x i32>, ptr [[TMP3]], align 432; CHECK-NEXT: [[TMP4]] = add <4 x i32> [[WIDE_LOAD]], [[VEC_PHI]]33; CHECK-NEXT: [[TMP5]] = add <4 x i32> [[WIDE_LOAD12]], [[VEC_PHI11]]34; CHECK-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 835; CHECK-NEXT: [[TMP6:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]]36; CHECK-NEXT: br i1 [[TMP6]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP0:![0-9]+]]37; CHECK: middle.block:38; CHECK-NEXT: [[BIN_RDX:%.*]] = add <4 x i32> [[TMP5]], [[TMP4]]39; CHECK-NEXT: [[TMP7:%.*]] = tail call i32 @llvm.vector.reduce.add.v4i32(<4 x i32> [[BIN_RDX]])40; CHECK-NEXT: [[CMP_N:%.*]] = icmp eq i64 [[N_VEC]], [[TMP0]]41; CHECK-NEXT: br i1 [[CMP_N]], label [[FOR_COND_CLEANUP]], label [[FOR_BODY_PREHEADER13]]42; CHECK: for.body.preheader13:43; CHECK-NEXT: [[INDVARS_IV_PH:%.*]] = phi i64 [ 0, [[FOR_BODY_PREHEADER10]] ], [ [[N_VEC]], [[MIDDLE_BLOCK]] ]44; CHECK-NEXT: [[SUM_07_PH:%.*]] = phi i32 [ 0, [[FOR_BODY_PREHEADER10]] ], [ [[TMP7]], [[MIDDLE_BLOCK]] ]45; CHECK-NEXT: br label [[FOR_BODY:%.*]]46; CHECK: for.cond.cleanup:47; CHECK-NEXT: [[SUM_0_LCSSA:%.*]] = phi i32 [ 0, [[ENTRY:%.*]] ], [ [[TMP7]], [[MIDDLE_BLOCK]] ], [ [[ADD:%.*]], [[FOR_BODY]] ]48; CHECK-NEXT: ret i32 [[SUM_0_LCSSA]]49; CHECK: for.body:50; CHECK-NEXT: [[INDVARS_IV:%.*]] = phi i64 [ [[INDVARS_IV_NEXT:%.*]], [[FOR_BODY]] ], [ [[INDVARS_IV_PH]], [[FOR_BODY_PREHEADER13]] ]51; CHECK-NEXT: [[SUM_07:%.*]] = phi i32 [ [[ADD]], [[FOR_BODY]] ], [ [[SUM_07_PH]], [[FOR_BODY_PREHEADER13]] ]52; CHECK-NEXT: [[ARRAYIDX:%.*]] = getelementptr inbounds nuw i32, ptr [[ARRAY]], i64 [[INDVARS_IV]]53; CHECK-NEXT: [[TMP8:%.*]] = load i32, ptr [[ARRAYIDX]], align 454; CHECK-NEXT: [[ADD]] = add nsw i32 [[TMP8]], [[SUM_07]]55; CHECK-NEXT: [[INDVARS_IV_NEXT]] = add nuw nsw i64 [[INDVARS_IV]], 156; CHECK-NEXT: [[EXITCOND_NOT:%.*]] = icmp eq i64 [[INDVARS_IV_NEXT]], [[TMP0]]57; CHECK-NEXT: br i1 [[EXITCOND_NOT]], label [[FOR_COND_CLEANUP]], label [[FOR_BODY]], !llvm.loop [[LOOP3:![0-9]+]]58; CHECK: if.then:59; CHECK-NEXT: tail call void @llvm.trap()60; CHECK-NEXT: unreachable61;62entry:63 %array.addr = alloca ptr, align 864 %count.addr = alloca i32, align 465 %n.addr = alloca i32, align 466 %sum = alloca i32, align 467 %i = alloca i32, align 468 store ptr %array, ptr %array.addr, align 869 store i32 %count, ptr %count.addr, align 470 store i32 %n, ptr %n.addr, align 471 call void @llvm.lifetime.start.p0(ptr %sum) #372 store i32 0, ptr %sum, align 473 call void @llvm.lifetime.start.p0(ptr %i) #374 store i32 0, ptr %i, align 475 br label %for.cond76 77for.cond: ; preds = %for.inc, %entry78 %0 = load i32, ptr %i, align 479 %1 = load i32, ptr %n.addr, align 480 %cmp = icmp ult i32 %0, %181 br i1 %cmp, label %for.body, label %for.cond.cleanup82 83for.cond.cleanup: ; preds = %for.cond84 call void @llvm.lifetime.end.p0(ptr %i) #385 br label %for.end86 87for.body: ; preds = %for.cond88 %2 = load i32, ptr %i, align 489 %3 = load i32, ptr %count.addr, align 490 %cmp1 = icmp uge i32 %2, %391 br i1 %cmp1, label %if.then, label %if.end92 93if.then: ; preds = %for.body94 call void @llvm.trap()95 br label %if.end96 97if.end: ; preds = %if.then, %for.body98 %4 = load ptr, ptr %array.addr, align 899 %5 = load i32, ptr %i, align 4100 %idxprom = zext i32 %5 to i64101 %arrayidx = getelementptr inbounds i32, ptr %4, i64 %idxprom102 %6 = load i32, ptr %arrayidx, align 4103 %7 = load i32, ptr %sum, align 4104 %add = add nsw i32 %7, %6105 store i32 %add, ptr %sum, align 4106 br label %for.inc107 108for.inc: ; preds = %if.end109 %8 = load i32, ptr %i, align 4110 %inc = add i32 %8, 1111 store i32 %inc, ptr %i, align 4112 br label %for.cond113 114for.end: ; preds = %for.cond.cleanup115 %9 = load i32, ptr %sum, align 4116 call void @llvm.lifetime.end.p0(ptr %sum)117 ret i32 %9118}119 120%"class.std::__1::span" = type { ptr, i64 }121%"class.std::__1::__wrap_iter" = type { ptr }122 123define dso_local noundef i32 @sum_prefix_with_sum(ptr %s.coerce0, i64 %s.coerce1, i64 noundef %n) {124; CHECK-LABEL: define dso_local noundef i32 @sum_prefix_with_sum(125; CHECK-SAME: ptr readonly captures(none) [[S_COERCE0:%.*]], i64 [[S_COERCE1:%.*]], i64 noundef [[N:%.*]]) local_unnamed_addr #[[ATTR0]] {126; CHECK-NEXT: entry:127; CHECK-NEXT: [[CMP5_NOT:%.*]] = icmp eq i64 [[N]], 0128; CHECK-NEXT: br i1 [[CMP5_NOT]], label [[FOR_COND_CLEANUP:%.*]], label [[FOR_BODY_PREHEADER:%.*]]129; CHECK: for.body.preheader:130; CHECK-NEXT: [[TMP0:%.*]] = add i64 [[N]], -1131; CHECK-NEXT: [[DOTNOT_NOT:%.*]] = icmp ugt i64 [[S_COERCE1]], [[TMP0]]132; CHECK-NEXT: br i1 [[DOTNOT_NOT]], label [[FOR_BODY_PREHEADER8:%.*]], label [[COND_FALSE_I:%.*]], !prof [[PROF4:![0-9]+]]133; CHECK: for.body.preheader8:134; CHECK-NEXT: [[MIN_ITERS_CHECK:%.*]] = icmp ult i64 [[N]], 8135; CHECK-NEXT: br i1 [[MIN_ITERS_CHECK]], label [[FOR_BODY_PREHEADER11:%.*]], label [[VECTOR_PH:%.*]]136; CHECK: vector.ph:137; CHECK-NEXT: [[N_VEC:%.*]] = and i64 [[N]], -8138; CHECK-NEXT: br label [[FOR_BODY:%.*]]139; CHECK: vector.body:140; CHECK-NEXT: [[INDEX:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[FOR_BODY]] ]141; CHECK-NEXT: [[VEC_PHI:%.*]] = phi <4 x i32> [ zeroinitializer, [[VECTOR_PH]] ], [ [[TMP3:%.*]], [[FOR_BODY]] ]142; CHECK-NEXT: [[VEC_PHI9:%.*]] = phi <4 x i32> [ zeroinitializer, [[VECTOR_PH]] ], [ [[TMP4:%.*]], [[FOR_BODY]] ]143; CHECK-NEXT: [[TMP1:%.*]] = getelementptr inbounds i32, ptr [[S_COERCE0]], i64 [[INDEX]]144; CHECK-NEXT: [[TMP2:%.*]] = getelementptr inbounds nuw i8, ptr [[TMP1]], i64 16145; CHECK-NEXT: [[WIDE_LOAD:%.*]] = load <4 x i32>, ptr [[TMP1]], align 4146; CHECK-NEXT: [[WIDE_LOAD10:%.*]] = load <4 x i32>, ptr [[TMP2]], align 4147; CHECK-NEXT: [[TMP3]] = add <4 x i32> [[WIDE_LOAD]], [[VEC_PHI]]148; CHECK-NEXT: [[TMP4]] = add <4 x i32> [[WIDE_LOAD10]], [[VEC_PHI9]]149; CHECK-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 8150; CHECK-NEXT: [[TMP5:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]]151; CHECK-NEXT: br i1 [[TMP5]], label [[SPAN_CHECKED_ACCESS_EXIT:%.*]], label [[FOR_BODY]], !llvm.loop [[LOOP5:![0-9]+]]152; CHECK: middle.block:153; CHECK-NEXT: [[BIN_RDX:%.*]] = add <4 x i32> [[TMP4]], [[TMP3]]154; CHECK-NEXT: [[ADD:%.*]] = tail call i32 @llvm.vector.reduce.add.v4i32(<4 x i32> [[BIN_RDX]])155; CHECK-NEXT: [[CMP_N:%.*]] = icmp eq i64 [[N]], [[N_VEC]]156; CHECK-NEXT: br i1 [[CMP_N]], label [[FOR_COND_CLEANUP]], label [[FOR_BODY_PREHEADER11]]157; CHECK: for.body.preheader11:158; CHECK-NEXT: [[I_07_PH:%.*]] = phi i64 [ 0, [[FOR_BODY_PREHEADER8]] ], [ [[N_VEC]], [[SPAN_CHECKED_ACCESS_EXIT]] ]159; CHECK-NEXT: [[RET_0_LCSSA:%.*]] = phi i32 [ 0, [[FOR_BODY_PREHEADER8]] ], [ [[ADD]], [[SPAN_CHECKED_ACCESS_EXIT]] ]160; CHECK-NEXT: br label [[FOR_BODY1:%.*]]161; CHECK: for.cond.cleanup:162; CHECK-NEXT: [[RET_0_LCSSA1:%.*]] = phi i32 [ 0, [[ENTRY1:%.*]] ], [ [[ADD]], [[SPAN_CHECKED_ACCESS_EXIT]] ], [ [[ADD1:%.*]], [[FOR_BODY1]] ]163; CHECK-NEXT: ret i32 [[RET_0_LCSSA1]]164; CHECK: for.body:165; CHECK-NEXT: [[I_07:%.*]] = phi i64 [ [[INC:%.*]], [[FOR_BODY1]] ], [ [[I_07_PH]], [[FOR_BODY_PREHEADER11]] ]166; CHECK-NEXT: [[RET_06:%.*]] = phi i32 [ [[ADD1]], [[FOR_BODY1]] ], [ [[RET_0_LCSSA]], [[FOR_BODY_PREHEADER11]] ]167; CHECK-NEXT: [[ARRAYIDX_I:%.*]] = getelementptr inbounds i32, ptr [[S_COERCE0]], i64 [[I_07]]168; CHECK-NEXT: [[TMP7:%.*]] = load i32, ptr [[ARRAYIDX_I]], align 4169; CHECK-NEXT: [[ADD1]] = add nsw i32 [[TMP7]], [[RET_06]]170; CHECK-NEXT: [[INC]] = add nuw i64 [[I_07]], 1171; CHECK-NEXT: [[EXITCOND_NOT:%.*]] = icmp eq i64 [[INC]], [[N]]172; CHECK-NEXT: br i1 [[EXITCOND_NOT]], label [[FOR_COND_CLEANUP]], label [[FOR_BODY1]], !llvm.loop [[LOOP6:![0-9]+]]173; CHECK: cond.false.i:174; CHECK-NEXT: tail call void @llvm.trap()175; CHECK-NEXT: unreachable176;177entry:178 %s = alloca %"class.std::__1::span", align 8179 %n.addr = alloca i64, align 8180 %ret = alloca i32, align 4181 %i = alloca i64, align 8182 %0 = getelementptr inbounds { ptr, i64 }, ptr %s, i32 0, i32 0183 store ptr %s.coerce0, ptr %0, align 8184 %1 = getelementptr inbounds { ptr, i64 }, ptr %s, i32 0, i32 1185 store i64 %s.coerce1, ptr %1, align 8186 store i64 %n, ptr %n.addr, align 8187 call void @llvm.lifetime.start.p0(ptr %ret) #7188 store i32 0, ptr %ret, align 4189 call void @llvm.lifetime.start.p0(ptr %i) #7190 store i64 0, ptr %i, align 8191 br label %for.cond192 193for.cond: ; preds = %for.inc, %entry194 %2 = load i64, ptr %i, align 8195 %3 = load i64, ptr %n.addr, align 8196 %cmp = icmp ult i64 %2, %3197 br i1 %cmp, label %for.body, label %for.cond.cleanup198 199for.cond.cleanup: ; preds = %for.cond200 call void @llvm.lifetime.end.p0(ptr %i) #7201 br label %for.end202 203for.body: ; preds = %for.cond204 %4 = load i64, ptr %i, align 8205 %call = call noundef nonnull align 4 dereferenceable(4) ptr @span_checked_access(ptr noundef nonnull align 8 dereferenceable(16) %s, i64 noundef %4) #7206 %5 = load i32, ptr %call, align 4207 %6 = load i32, ptr %ret, align 4208 %add = add nsw i32 %6, %5209 store i32 %add, ptr %ret, align 4210 br label %for.inc211 212for.inc: ; preds = %for.body213 %7 = load i64, ptr %i, align 8214 %inc = add i64 %7, 1215 store i64 %inc, ptr %i, align 8216 br label %for.cond217 218for.end: ; preds = %for.cond.cleanup219 %8 = load i32, ptr %ret, align 4220 call void @llvm.lifetime.end.p0(ptr %ret)221 ret i32 %8222}223 224define hidden noundef nonnull align 4 dereferenceable(4) ptr @span_checked_access(ptr noundef nonnull align 8 dereferenceable(16) %this, i64 noundef %__idx) {225; CHECK-LABEL: define hidden noundef nonnull align 4 dereferenceable(4) ptr @span_checked_access(226; CHECK-SAME: ptr noundef nonnull readonly align 8 captures(none) dereferenceable(16) [[THIS:%.*]], i64 noundef [[__IDX:%.*]]) local_unnamed_addr #[[ATTR0]] {227; CHECK-NEXT: entry:228; CHECK-NEXT: [[__SIZE__I:%.*]] = getelementptr inbounds nuw i8, ptr [[THIS]], i64 8229; CHECK-NEXT: [[TMP0:%.*]] = load i64, ptr [[__SIZE__I]], align 8230; CHECK-NEXT: [[CMP:%.*]] = icmp ult i64 [[__IDX]], [[TMP0]]231; CHECK-NEXT: br i1 [[CMP]], label [[COND_END:%.*]], label [[COND_FALSE:%.*]], !prof [[PROF4]]232; CHECK: cond.false:233; CHECK-NEXT: tail call void @llvm.trap()234; CHECK-NEXT: unreachable235; CHECK: cond.end:236; CHECK-NEXT: [[TMP1:%.*]] = load ptr, ptr [[THIS]], align 8237; CHECK-NEXT: [[ARRAYIDX:%.*]] = getelementptr inbounds i32, ptr [[TMP1]], i64 [[__IDX]]238; CHECK-NEXT: ret ptr [[ARRAYIDX]]239;240entry:241 %this.addr = alloca ptr, align 8242 %__idx.addr = alloca i64, align 8243 store ptr %this, ptr %this.addr, align 8244 store i64 %__idx, ptr %__idx.addr, align 8245 %this1 = load ptr, ptr %this.addr, align 8246 %0 = load i64, ptr %__idx.addr, align 8247 %call = call noundef i64 @span_access(ptr noundef nonnull align 8 dereferenceable(16) %this1)248 %cmp = icmp ult i64 %0, %call249 %conv = zext i1 %cmp to i64250 %expval = call i64 @llvm.expect.i64(i64 %conv, i64 1)251 %tobool = icmp ne i64 %expval, 0252 br i1 %tobool, label %cond.true, label %cond.false253 254cond.true: ; preds = %entry255 br label %cond.end256 257cond.false: ; preds = %entry258 call void @llvm.trap()259 br label %cond.end260 261cond.end: ; preds = %cond.false, %cond.true262 %__data_ = getelementptr inbounds %"class.std::__1::span", ptr %this1, i32 0, i32 0263 %1 = load ptr, ptr %__data_, align 8264 %2 = load i64, ptr %__idx.addr, align 8265 %arrayidx = getelementptr inbounds i32, ptr %1, i64 %2266 ret ptr %arrayidx267}268 269define hidden noundef i64 @span_access(ptr noundef nonnull align 8 dereferenceable(16) %this) {270; CHECK-LABEL: define hidden noundef i64 @span_access(271; CHECK-SAME: ptr noundef nonnull readonly align 8 captures(none) dereferenceable(16) [[THIS:%.*]]) local_unnamed_addr #[[ATTR1:[0-9]+]] {272; CHECK-NEXT: entry:273; CHECK-NEXT: [[__SIZE_:%.*]] = getelementptr inbounds nuw i8, ptr [[THIS]], i64 8274; CHECK-NEXT: [[TMP0:%.*]] = load i64, ptr [[__SIZE_]], align 8275; CHECK-NEXT: ret i64 [[TMP0]]276;277entry:278 %this.addr = alloca ptr, align 8279 store ptr %this, ptr %this.addr, align 8280 %this1 = load ptr, ptr %this.addr, align 8281 %__size_ = getelementptr inbounds %"class.std::__1::span", ptr %this1, i32 0, i32 1282 %0 = load i64, ptr %__size_, align 8283 ret i64 %0284}285 286declare void @llvm.lifetime.start.p0(ptr nocapture)287 288declare void @llvm.trap()289 290declare void @llvm.lifetime.end.p0(ptr nocapture)291;.292; CHECK: [[LOOP0]] = distinct !{[[LOOP0]], [[META1:![0-9]+]], [[META2:![0-9]+]]}293; CHECK: [[META1]] = !{!"llvm.loop.isvectorized", i32 1}294; CHECK: [[META2]] = !{!"llvm.loop.unroll.runtime.disable"}295; CHECK: [[LOOP3]] = distinct !{[[LOOP3]], [[META2]], [[META1]]}296; CHECK: [[PROF4]] = !{!"branch_weights", !"expected", i32 2000, i32 1}297; CHECK: [[LOOP5]] = distinct !{[[LOOP5]], [[META1]], [[META2]]}298; CHECK: [[LOOP6]] = distinct !{[[LOOP6]], [[META2]], [[META1]]}299;.300