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1; NOTE: Assertions have been autogenerated by utils/update_analyze_test_checks.py2; RUN: opt "-passes=print<scalar-evolution>" -disable-output < %s 2>&1 | FileCheck %s3 4define void @vscale_gep(ptr %p) {5; CHECK-LABEL: 'vscale_gep'6; CHECK-NEXT: Classifying expressions for: @vscale_gep7; CHECK-NEXT: %1 = getelementptr <vscale x 4 x i32>, ptr null, i32 38; CHECK-NEXT: --> ((48 * vscale) + null) U: [0,-15) S: [-9223372036854775808,9223372036854775793)9; CHECK-NEXT: %2 = getelementptr <vscale x 1 x i64>, ptr %p, i32 110; CHECK-NEXT: --> ((8 * vscale) + %p) U: full-set S: full-set11; CHECK-NEXT: Determining loop execution counts for: @vscale_gep12;13 getelementptr <vscale x 4 x i32>, ptr null, i32 314 getelementptr <vscale x 1 x i64>, ptr %p, i32 115 ret void16}17 18define void @vscale_gep_range(ptr %p) vscale_range(2, 16) {19; CHECK-LABEL: 'vscale_gep_range'20; CHECK-NEXT: Classifying expressions for: @vscale_gep_range21; CHECK-NEXT: %1 = getelementptr <vscale x 4 x i32>, ptr null, i32 322; CHECK-NEXT: --> ((48 * vscale)<nuw><nsw> + null) U: [96,769) S: [96,769)23; CHECK-NEXT: %2 = getelementptr <vscale x 1 x i64>, ptr %p, i32 124; CHECK-NEXT: --> ((8 * vscale)<nuw><nsw> + %p) U: full-set S: full-set25; CHECK-NEXT: Determining loop execution counts for: @vscale_gep_range26;27 getelementptr <vscale x 4 x i32>, ptr null, i32 328 getelementptr <vscale x 1 x i64>, ptr %p, i32 129 ret void30}31 32define i64 @vscale_no_range() {33; CHECK-LABEL: 'vscale_no_range'34; CHECK-NEXT: Classifying expressions for: @vscale_no_range35; CHECK-NEXT: %vscale = call i64 @llvm.vscale.i64()36; CHECK-NEXT: --> vscale U: [1,0) S: [1,0)37; CHECK-NEXT: Determining loop execution counts for: @vscale_no_range38;39 %vscale = call i64 @llvm.vscale.i64()40 ret i64 %vscale41}42 43define i64 @vscale_min_max_range() vscale_range(2, 16) {44; CHECK-LABEL: 'vscale_min_max_range'45; CHECK-NEXT: Classifying expressions for: @vscale_min_max_range46; CHECK-NEXT: %vscale = call i64 @llvm.vscale.i64()47; CHECK-NEXT: --> vscale U: [2,17) S: [2,17)48; CHECK-NEXT: Determining loop execution counts for: @vscale_min_max_range49;50 %vscale = call i64 @llvm.vscale.i64()51 ret i64 %vscale52}53 54define i64 @vscale_min_range() vscale_range(2, 0) {55; CHECK-LABEL: 'vscale_min_range'56; CHECK-NEXT: Classifying expressions for: @vscale_min_range57; CHECK-NEXT: %vscale = call i64 @llvm.vscale.i64()58; CHECK-NEXT: --> vscale U: [2,0) S: [2,0)59; CHECK-NEXT: Determining loop execution counts for: @vscale_min_range60;61 %vscale = call i64 @llvm.vscale.i64()62 ret i64 %vscale63}64 65define i64 @vscale_exact_range() vscale_range(2) {66; CHECK-LABEL: 'vscale_exact_range'67; CHECK-NEXT: Classifying expressions for: @vscale_exact_range68; CHECK-NEXT: %vscale = call i64 @llvm.vscale.i64()69; CHECK-NEXT: --> vscale U: [2,3) S: [2,3)70; CHECK-NEXT: Determining loop execution counts for: @vscale_exact_range71;72 %vscale = call i64 @llvm.vscale.i64()73 ret i64 %vscale74}75 76define void @vscale_step_ne_tripcount(i64 %N) vscale_range(2, 1024) {77; CHECK-LABEL: 'vscale_step_ne_tripcount'78; CHECK-NEXT: Classifying expressions for: @vscale_step_ne_tripcount79; CHECK-NEXT: %0 = sub i64 -1, %N80; CHECK-NEXT: --> (-1 + (-1 * %N)) U: full-set S: full-set81; CHECK-NEXT: %1 = call i64 @llvm.vscale.i64()82; CHECK-NEXT: --> vscale U: [2,1025) S: [2,1025)83; CHECK-NEXT: %2 = mul i64 %1, 484; CHECK-NEXT: --> (4 * vscale)<nuw><nsw> U: [8,4097) S: [8,4097)85; CHECK-NEXT: %4 = sub i64 %2, 186; CHECK-NEXT: --> (-1 + (4 * vscale)<nuw><nsw>)<nsw> U: [7,4096) S: [7,4096)87; CHECK-NEXT: %n.rnd.up = add i64 %N, %488; CHECK-NEXT: --> (-1 + (4 * vscale)<nuw><nsw> + %N) U: full-set S: full-set89; CHECK-NEXT: %n.mod.vf = urem i64 %n.rnd.up, %290; CHECK-NEXT: --> (-1 + (vscale * (4 + (-4 * ((-1 + (4 * vscale)<nuw><nsw> + %N) /u (4 * vscale)<nuw><nsw>))<nsw>)<nsw>) + %N) U: full-set S: full-set91; CHECK-NEXT: %n.vec = sub i64 %n.rnd.up, %n.mod.vf92; CHECK-NEXT: --> (4 * vscale * ((-1 + (4 * vscale)<nuw><nsw> + %N) /u (4 * vscale)<nuw><nsw>)) U: [0,-3) S: [-9223372036854775808,9223372036854775805)93; CHECK-NEXT: %index = phi i64 [ 0, %vector.ph ], [ %index.next, %vector.body ]94; CHECK-NEXT: --> {0,+,(4 * vscale)<nuw><nsw>}<nuw><%vector.body> U: [0,-3) S: [-9223372036854775808,9223372036854775805) Exits: (4 * vscale * ((-1 * vscale * (4 + (-4 * ((-1 + (4 * vscale)<nuw><nsw> + %N) /u (4 * vscale)<nuw><nsw>))<nsw>)<nsw>) /u (4 * vscale)<nuw><nsw>)) LoopDispositions: { %vector.body: Computable }95; CHECK-NEXT: %index.next = add nuw i64 %index, %296; CHECK-NEXT: --> {(4 * vscale)<nuw><nsw>,+,(4 * vscale)<nuw><nsw>}<nuw><%vector.body> U: [8,-3) S: [-9223372036854775808,9223372036854775805) Exits: (vscale * (4 + (4 * ((-1 * vscale * (4 + (-4 * ((-1 + (4 * vscale)<nuw><nsw> + %N) /u (4 * vscale)<nuw><nsw>))<nsw>)<nsw>) /u (4 * vscale)<nuw><nsw>))<nuw><nsw>)<nuw>) LoopDispositions: { %vector.body: Computable }97; CHECK-NEXT: Determining loop execution counts for: @vscale_step_ne_tripcount98; CHECK-NEXT: Loop %vector.body: backedge-taken count is ((-1 * vscale * (4 + (-4 * ((-1 + (4 * vscale)<nuw><nsw> + %N) /u (4 * vscale)<nuw><nsw>))<nsw>)<nsw>) /u (4 * vscale)<nuw><nsw>)99; CHECK-NEXT: Loop %vector.body: constant max backedge-taken count is i64 2305843009213693951100; CHECK-NEXT: Loop %vector.body: symbolic max backedge-taken count is ((-1 * vscale * (4 + (-4 * ((-1 + (4 * vscale)<nuw><nsw> + %N) /u (4 * vscale)<nuw><nsw>))<nsw>)<nsw>) /u (4 * vscale)<nuw><nsw>)101; CHECK-NEXT: Loop %vector.body: Trip multiple is 1102;103entry:104 %0 = sub i64 -1, %N105 %1 = call i64 @llvm.vscale.i64()106 %2 = mul i64 %1, 4107 %3 = icmp ult i64 %0, %2108 br i1 %3, label %loop.exit, label %vector.ph109 110vector.ph: ; preds = %entry111 %8 = sub i64 %2, 1112 %n.rnd.up = add i64 %N, %8113 %n.mod.vf = urem i64 %n.rnd.up, %2114 %n.vec = sub i64 %n.rnd.up, %n.mod.vf115 br label %vector.body116 117vector.body: ; preds = %vector.body, %vector.ph118 %index = phi i64 [ 0, %vector.ph ], [ %index.next, %vector.body ]119 %index.next = add nuw i64 %index, %2120 %22 = icmp eq i64 %index.next, %n.vec121 br i1 %22, label %loop.exit, label %vector.body122 123loop.exit:124 ret void125}126 127declare i64 @llvm.vscale.i64()128