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1; RUN: opt < %s "-passes=print<scalar-evolution>" -disable-output 2>&1 | FileCheck %s2 3; CHECK: Loop %bb3: backedge-taken count is (-1 + %n)4 5; We don't want to use a max in the trip count expression in6; this testcase.7 8define void @foo(i32 %n, ptr %p, ptr %q) nounwind {9entry:10 icmp sgt i32 %n, 011 br i1 %0, label %bb, label %return12 13bb:14 load i32, ptr %q, align 415 icmp eq i32 %1, 016 br i1 %2, label %return, label %bb3.preheader17 18bb3.preheader:19 br label %bb320 21bb3:22 %i.0 = phi i32 [ %7, %bb3 ], [ 0, %bb3.preheader ]23 getelementptr i32, ptr %p, i32 %i.024 load i32, ptr %3, align 425 add i32 %4, 126 getelementptr i32, ptr %p, i32 %i.027 store i32 %5, ptr %6, align 428 add i32 %i.0, 129 icmp slt i32 %7, %n30 br i1 %8, label %bb3, label %return.loopexit31 32return.loopexit:33 br label %return34 35return:36 ret void37}38