1 ; RUN: opt < %s -analyze -scalar-evolution -scalar-evolution-max-iterations=0 | FileCheck %s 2 ; PR1101 3 4 @A = weak global [1000 x i32] zeroinitializer, align 32 5 6 ; CHECK: backedge-taken count is 10000 7 8 define void @test(i32 %N) { 9 entry: 10 br label %bb3 11 12 bb: ; preds = %bb3 13 %tmp = getelementptr [1000 x i32]* @A, i32 0, i32 %i.0 ; <i32*> [#uses=1] 14 store i32 123, i32* %tmp 15 %tmp2 = add i32 %i.0, 1 ; <i32> [#uses=1] 16 br label %bb3 17 18 bb3: ; preds = %bb, %entry 19 %i.0 = phi i32 [ 0, %entry ], [ %tmp2, %bb ] ; <i32> [#uses=3] 20 %tmp3 = icmp sle i32 %i.0, 9999 ; <i1> [#uses=1] 21 br i1 %tmp3, label %bb, label %bb5 22 23 bb5: ; preds = %bb3 24 br label %return 25 26 return: ; preds = %bb5 27 ret void 28 } 29
