1 ; RUN: opt < %s -analyze -enable-new-pm=0 -scalar-evolution | FileCheck %s
2 ; RUN: opt < %s -disable-output "-passes=print<scalar-evolution>" 2>&1 | FileCheck %s
4 ; CHECK: %tmp9 = shl i64 %tmp8, 33
5 ; CHECK-NEXT: --> {{.*}} Exits: (-8589934592 + (8589934592 * (zext i32 %arg2 to i64)))
6 ; CHECK: %tmp10 = ashr exact i64 %tmp9, 32
7 ; CHECK-NEXT: --> {{.*}} Exits: (sext i32 (-2 + (2 * %arg2)) to i64)
8 ; CHECK: %tmp11 = getelementptr inbounds i32, i32* %arg, i64 %tmp10
9 ; CHECK-NEXT: --> {{.*}} Exits: ((4 * (sext i32 (-2 + (2 * %arg2)) to i64))<nsw> + %arg)
10 ; CHECK: %tmp14 = or i64 %tmp10, 1
11 ; CHECK-NEXT: --> {{.*}} Exits: (1 + (sext i32 (-2 + (2 * %arg2)) to i64))<nuw><nsw>
12 ; CHECK: %tmp15 = getelementptr inbounds i32, i32* %arg, i64 %tmp14
13 ; CHECK-NEXT: --> {{.*}} Exits: (4 + (4 * (sext i32 (-2 + (2 * %arg2)) to i64))<nsw> + %arg)
14 ; CHECK:Loop %bb7: backedge-taken count is (-1 + (zext i32 %arg2 to i64))<nsw>
15 ; CHECK-NEXT:Loop %bb7: max backedge-taken count is 2147483646
16 ; CHECK-NEXT:Loop %bb7: Predicated backedge-taken count is (-1 + (zext i32 %arg2 to i64))<nsw>
18 define void @foo(i32* nocapture %arg, i32 %arg1, i32 %arg2) {
20 %tmp = icmp sgt i32 %arg2, 0
21 br i1 %tmp, label %bb3, label %bb6
24 %tmp4 = zext i32 %arg2 to i64
30 bb6: ; preds = %bb5, %bb
33 bb7: ; preds = %bb7, %bb3
34 %tmp8 = phi i64 [ %tmp18, %bb7 ], [ 0, %bb3 ]
35 %tmp9 = shl i64 %tmp8, 33
36 %tmp10 = ashr exact i64 %tmp9, 32
37 %tmp11 = getelementptr inbounds i32, i32* %arg, i64 %tmp10
38 %tmp12 = load i32, i32* %tmp11, align 4
39 %tmp13 = sub nsw i32 %tmp12, %arg1
40 store i32 %tmp13, i32* %tmp11, align 4
41 %tmp14 = or i64 %tmp10, 1
42 %tmp15 = getelementptr inbounds i32, i32* %arg, i64 %tmp14
43 %tmp16 = load i32, i32* %tmp15, align 4
44 %tmp17 = mul nsw i32 %tmp16, %arg1
45 store i32 %tmp17, i32* %tmp15, align 4
46 %tmp18 = add nuw nsw i64 %tmp8, 1
47 %tmp19 = icmp eq i64 %tmp18, %tmp4
48 br i1 %tmp19, label %bb5, label %bb7
51 ; CHECK: %t10 = ashr exact i128 %t9, 1
52 ; CHECK-NEXT: --> {{.*}} Exits: (sext i127 (-633825300114114700748351602688 + (633825300114114700748351602688 * (zext i32 %arg5 to i127))) to i128)
53 ; CHECK: %t14 = or i128 %t10, 1
54 ; CHECK-NEXT: --> {{.*}} Exits: (1 + (sext i127 (-633825300114114700748351602688 + (633825300114114700748351602688 * (zext i32 %arg5 to i127))) to i128))<nuw><nsw>
55 ; CHECK: Loop %bb7: backedge-taken count is (-1 + (zext i32 %arg5 to i128))<nsw>
56 ; CHECK-NEXT: Loop %bb7: max backedge-taken count is 2147483646
57 ; CHECK-NEXT: Loop %bb7: Predicated backedge-taken count is (-1 + (zext i32 %arg5 to i128))<nsw>
59 define void @goo(i32* nocapture %arg3, i32 %arg4, i32 %arg5) {
61 %t = icmp sgt i32 %arg5, 0
62 br i1 %t, label %bb3, label %bb6
65 %t4 = zext i32 %arg5 to i128
71 bb6: ; preds = %bb5, %bb
74 bb7: ; preds = %bb7, %bb3
75 %t8 = phi i128 [ %t18, %bb7 ], [ 0, %bb3 ]
76 %t9 = shl i128 %t8, 100
77 %t10 = ashr exact i128 %t9, 1
78 %t11 = getelementptr inbounds i32, i32* %arg3, i128 %t10
79 %t12 = load i32, i32* %t11, align 4
80 %t13 = sub nsw i32 %t12, %arg4
81 store i32 %t13, i32* %t11, align 4
82 %t14 = or i128 %t10, 1
83 %t15 = getelementptr inbounds i32, i32* %arg3, i128 %t14
84 %t16 = load i32, i32* %t15, align 4
85 %t17 = mul nsw i32 %t16, %arg4
86 store i32 %t17, i32* %t15, align 4
87 %t18 = add nuw nsw i128 %t8, 1
88 %t19 = icmp eq i128 %t18, %t4
89 br i1 %t19, label %bb5, label %bb7