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_attr(i32 range(i32 1, 100) %limit) { 5; 6; CHECK-LABEL: 'slt_trip_count_with_range_attr' 7; CHECK-NEXT: Determining loop execution counts for: @slt_trip_count_with_range_attr 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 br label %loop 15 16 loop: 17 %index = phi i32 [ 0, %entry ], [ %index.inc, %loop ] 18 %index.inc = add i32 %index, 1 19 %continue = icmp slt i32 %index.inc, %limit 20 br i1 %continue, label %loop, label %loop.exit 21 22 loop.exit: 23 ret i32 0 24} 25 26declare i32 @get_i32() 27 28define i32 @slt_trip_count_with_range_call() { 29; 30; CHECK-LABEL: 'slt_trip_count_with_range_call' 31; CHECK-NEXT: Determining loop execution counts for: @slt_trip_count_with_range_call 32; CHECK-NEXT: Loop %loop: backedge-taken count is (-1 + %limit)<nsw> 33; CHECK-NEXT: Loop %loop: constant max backedge-taken count is i32 98 34; CHECK-NEXT: Loop %loop: symbolic max backedge-taken count is (-1 + %limit)<nsw> 35; CHECK-NEXT: Loop %loop: Trip multiple is 1 36; 37 entry: 38 %limit = call range(i32 1, 100) i32 @get_i32() 39 br label %loop 40 41 loop: 42 %index = phi i32 [ 0, %entry ], [ %index.inc, %loop ] 43 %index.inc = add i32 %index, 1 44 %continue = icmp slt i32 %index.inc, %limit 45 br i1 %continue, label %loop, label %loop.exit 46 47 loop.exit: 48 ret i32 0 49} 50 51declare range(i32 1, 100) i32 @get_i32_in_range() 52 53define i32 @slt_trip_count_with_range_result() { 54; 55; CHECK-LABEL: 'slt_trip_count_with_range_result' 56; CHECK-NEXT: Determining loop execution counts for: @slt_trip_count_with_range_result 57; CHECK-NEXT: Loop %loop: backedge-taken count is (-1 + %limit)<nsw> 58; CHECK-NEXT: Loop %loop: constant max backedge-taken count is i32 98 59; CHECK-NEXT: Loop %loop: symbolic max backedge-taken count is (-1 + %limit)<nsw> 60; CHECK-NEXT: Loop %loop: Trip multiple is 1 61; 62 entry: 63 %limit = call i32 @get_i32_in_range() 64 br label %loop 65 66 loop: 67 %index = phi i32 [ 0, %entry ], [ %index.inc, %loop ] 68 %index.inc = add i32 %index, 1 69 %continue = icmp slt i32 %index.inc, %limit 70 br i1 %continue, label %loop, label %loop.exit 71 72 loop.exit: 73 ret i32 0 74} 75