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1; NOTE: Assertions have been autogenerated by utils/update_analyze_test_checks.py2; RUN: opt < %s -disable-output "-passes=print<scalar-evolution>" -scalar-evolution-classify-expressions=0 2>&1 | FileCheck %s3; PR45994 5target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128"6 7define i32 @foo(i32 %ecx) nounwind {8; CHECK-LABEL: 'foo'9; CHECK-NEXT: Determining loop execution counts for: @foo10; CHECK-NEXT: Loop %for.body: backedge-taken count is (-1 + %ecx)11; CHECK-NEXT: Loop %for.body: constant max backedge-taken count is i32 -212; CHECK-NEXT: Loop %for.body: symbolic max backedge-taken count is (-1 + %ecx)13; CHECK-NEXT: Loop %for.body: Trip multiple is 114;15entry:16 %cmp2 = icmp eq i32 %ecx, 0 ; <i1> [#uses=1]17 br i1 %cmp2, label %for.end, label %bb.nph18 19for.cond: ; preds = %for.inc20 %cmp = icmp ult i32 %inc, %ecx ; <i1> [#uses=1]21 br i1 %cmp, label %for.body, label %for.cond.for.end_crit_edge22 23for.cond.for.end_crit_edge: ; preds = %for.cond24 %phitmp = add i32 %i.01, 2 ; <i32> [#uses=1]25 br label %for.end26 27bb.nph: ; preds = %entry28 br label %for.body29 30for.body: ; preds = %bb.nph, %for.cond31 %i.01 = phi i32 [ %inc, %for.cond ], [ 0, %bb.nph ] ; <i32> [#uses=3]32 %call = call i32 @bar(i32 %i.01) nounwind ; <i32> [#uses=0]33 br label %for.inc34 35for.inc: ; preds = %for.body36 %inc = add i32 %i.01, 1 ; <i32> [#uses=2]37 br label %for.cond38 39for.end: ; preds = %for.cond.for.end_crit_edge, %entry40 %i.0.lcssa = phi i32 [ %phitmp, %for.cond.for.end_crit_edge ], [ 1, %entry ] ; <i32> [#uses=1]41 ret i32 %i.0.lcssa42}43 44declare i32 @bar(i32)45