1; RUN: opt < %s -analyze -enable-new-pm=0 -scalar-evolution -scalar-evolution-max-iterations=0 | FileCheck %s 2; RUN: opt < %s -disable-output "-passes=print<scalar-evolution>" -scalar-evolution-max-iterations=0 2>&1 | FileCheck %s 3; PR1533 4 5@array = weak global [101 x i32] zeroinitializer, align 32 ; <[100 x i32]*> [#uses=1] 6 7; CHECK: Loop %bb: backedge-taken count is 100 8 9define void @loop(i32 %x) { 10entry: 11 br label %bb 12 13bb: ; preds = %bb, %entry 14 %i.01.0 = phi i32 [ 100, %entry ], [ %tmp4, %bb ] ; <i32> [#uses=2] 15 %tmp1 = getelementptr [101 x i32], [101 x i32]* @array, i32 0, i32 %i.01.0 ; <i32*> [#uses=1] 16 store i32 %x, i32* %tmp1 17 %tmp4 = add i32 %i.01.0, -1 ; <i32> [#uses=2] 18 %tmp7 = icmp sgt i32 %tmp4, -1 ; <i1> [#uses=1] 19 br i1 %tmp7, label %bb, label %return 20 21return: ; preds = %bb 22 ret void 23} 24