1; NOTE: Assertions have been autogenerated by utils/update_analyze_test_checks.py UTC_ARGS: --version 4 2; RUN: opt -disable-output "-passes=print<scalar-evolution>" -scalar-evolution-classify-expressions=0 < %s 2>&1 | FileCheck %s 3 4define i32 @slt_trip_count_with_range(ptr %ptr0, ptr %ptr1) { 5; 6; CHECK-LABEL: 'slt_trip_count_with_range' 7; CHECK-NEXT: Determining loop execution counts for: @slt_trip_count_with_range 8; CHECK-NEXT: Loop %loop: backedge-taken count is (-1 + %limit)<nsw> 9; CHECK-NEXT: Loop %loop: constant max backedge-taken count is i32 98 10; CHECK-NEXT: Loop %loop: symbolic max backedge-taken count is (-1 + %limit)<nsw> 11; CHECK-NEXT: Loop %loop: Trip multiple is 1 12; 13 entry: 14 %limit = load i32, ptr %ptr0, !range !0 15 br label %loop 16 17 loop: 18 %index = phi i32 [ 0, %entry ], [ %index.inc, %loop ] 19 %index.inc = add i32 %index, 1 20 %continue = icmp slt i32 %index.inc, %limit 21 br i1 %continue, label %loop, label %loop.exit 22 23 loop.exit: 24 ret i32 0 25} 26 27define i32 @ult_trip_count_with_range(ptr %ptr0, ptr %ptr1) { 28; 29; CHECK-LABEL: 'ult_trip_count_with_range' 30; CHECK-NEXT: Determining loop execution counts for: @ult_trip_count_with_range 31; CHECK-NEXT: Loop %loop: backedge-taken count is (-1 + %limit)<nsw> 32; CHECK-NEXT: Loop %loop: constant max backedge-taken count is i32 98 33; CHECK-NEXT: Loop %loop: symbolic max backedge-taken count is (-1 + %limit)<nsw> 34; CHECK-NEXT: Loop %loop: Trip multiple is 1 35; 36 entry: 37 %limit = load i32, ptr %ptr0, !range !0 38 br label %loop 39 40 loop: 41 %index = phi i32 [ 0, %entry ], [ %index.inc, %loop ] 42 %index.inc = add i32 %index, 1 43 %continue = icmp ult i32 %index.inc, %limit 44 br i1 %continue, label %loop, label %loop.exit 45 46 loop.exit: 47 ret i32 0 48} 49 50!0 = !{i32 1, i32 100} 51