31 lines · plain
1; NOTE: Assertions have been autogenerated by utils/update_analyze_test_checks.py UTC_ARGS: --version 42; RUN: opt < %s -disable-output "-passes=print<scalar-evolution>" -scalar-evolution-max-iterations=0 -scalar-evolution-classify-expressions=0 2>&1 | FileCheck %s3; PR23644 5 6define i32 @func_6() nounwind {7; CHECK-LABEL: 'func_6'8; CHECK-NEXT: Determining loop execution counts for: @func_69; CHECK-NEXT: Loop %bb5: backedge-taken count is i8 6110; CHECK-NEXT: Loop %bb5: constant max backedge-taken count is i8 6111; CHECK-NEXT: Loop %bb5: symbolic max backedge-taken count is i8 6112; CHECK-NEXT: Loop %bb5: Trip multiple is 6213;14entry:15 br label %bb516 17bb: ; preds = %bb518 %tmp2 = add i32 %i.0, 1 ; <i32> [#uses=1]19 %tmp4 = add i8 %x.0, -4 ; <i8> [#uses=1]20 br label %bb521 22bb5: ; preds = %bb, %entry23 %x.0 = phi i8 [ 0, %entry ], [ %tmp4, %bb ] ; <i8> [#uses=2]24 %i.0 = phi i32 [ 0, %entry ], [ %tmp2, %bb ] ; <i32> [#uses=2]25 %tmp7 = icmp eq i8 %x.0, 12 ; <i1> [#uses=1]26 br i1 %tmp7, label %return, label %bb27 28return: ; preds = %bb529 ret i32 %i.030}31