1 ; NOTE: Assertions have been autogenerated by utils/update_analyze_test_checks.py
2 ; RUN: opt < %s -disable-output "-passes=print<scalar-evolution>" -scalar-evolution-classify-expressions=0 2>&1 | FileCheck %s
4 @A = weak global [1000 x i32] zeroinitializer, align 32
6 define void @PR1101(i32 %N) {
7 ; CHECK-LABEL: 'PR1101'
8 ; CHECK-NEXT: Determining loop execution counts for: @PR1101
9 ; CHECK-NEXT: Loop %bb3: backedge-taken count is 4
10 ; CHECK-NEXT: Loop %bb3: constant max backedge-taken count is 4
11 ; CHECK-NEXT: Loop %bb3: symbolic max backedge-taken count is 4
12 ; CHECK-NEXT: Loop %bb3: Predicated backedge-taken count is 4
13 ; CHECK-NEXT: Predicates:
14 ; CHECK-NEXT: Loop %bb3: Trip multiple is 5
20 %tmp = getelementptr [1000 x i32], ptr @A, i32 0, i32 %i.0 ; <ptr> [#uses=1]
21 store i32 123, ptr %tmp
22 %tmp4 = mul i32 %i.0, 4 ; <i32> [#uses=1]
23 %tmp5 = or i32 %tmp4, 1
24 %tmp61 = xor i32 %tmp5, -2147483648
25 %tmp6 = trunc i32 %tmp61 to i16
26 %tmp71 = shl i16 %tmp6, 2
27 %tmp7 = zext i16 %tmp71 to i32
28 %tmp2 = add i32 %tmp7, %i.0
31 bb3: ; preds = %bb, %entry
32 %i.0 = phi i32 [ 0, %entry ], [ %tmp2, %bb ] ; <i32> [#uses=3]
33 %tmp3 = icmp sle i32 %i.0, 9999 ; <i1> [#uses=1]
34 br i1 %tmp3, label %bb, label %bb5
39 return: ; preds = %bb5